US Pat. No. 9,842,597

BINAURAL RENDERING METHOD AND APPARATUS FOR DECODING MULTI CHANNEL AUDIO

Electronics and Telecommu...

1. A binaural rendering method in time domain, comprising:
extracting an early reflection and a late reverberation for a binaural rendering;
performing binaural rendering to convert a loudspeaker signal to a stereo signal by applying the early reflection and
the late reverberation.

US Pat. No. 9,843,644

MEASUREMENT INFORMATION UTILIZATION SYSTEM, AND USER PARTICIPATION-BASED MEASUREMENT INFORMATION UTILIZATION METHOD AND APPARATUS

ELECTRONICS AND TELECOMMU...

1. A user participation-based measurement information utilization server comprising:
a measurement information collector which collects user measurement information corresponding to at least one of sensor information
and wireless communication heterogeneous infrastructure measurement information from a terminal of a user, on which a measurement
information utilization application is installed;

a pattern updater which updates a user pattern corresponding to the user in a measurement information correlation database
(DB) in accordance with the user measurement information based on a time at which the user measurement information is collected;
and

a service provider which provides a measurement information utilization service to the user based on one or more similar patterns
having a correlation with the user pattern among multiple patterns included in a measurement information list, wherein the
measurement information list is generated by receiving the user measurement information from multiple users who have subscribed
to the measurement information utilization service.

US Pat. No. 9,843,442

OPERATION METHOD AND APPARATUS FOR PROVIDING COMPRESSION FUNCTION FOR FAST MESSAGE HASHING

ELECTRONICS AND TELECOMMU...

1. A method for performing a compression operation for fast message hashing, comprising the steps of:
receiving a message and generating a plurality of expanded messages using the received message;
receiving chain variable data and converting the chain variable data into initial state data which is used in the following
compression operation;

generating a final value of the state data by iterating a combination function and a step function using the state data and
the plurality of expanded messages; and

updating the chain variable data using the state data of the final value, wherein the updated chain variable data is used
to generate a final hash value, wherein:

the plurality of expanded messages is (R+1) messages ranging from W0 to WR, the message M is a concatenation of 32 sub messages ranging from M[0] to M[31], and the plurality of expanded messages is
generated based on Equation 1 below:

the plurality of expanded messages is (R+1) messages ranging from W0 to WR, where R is an integer equal to or larger than 1,

Wr=Wr[0]?Wr[1]? . . . ?Wr[15],0?r?R  (1)

where Wr is an (r+1)-th expanded message of the plurality of expanded messages, Wr is a concatenation of 16 sub expanded messages, and, for x, i.e., an integer equal to or larger than 0 and equal to or smaller
than 15, Wr[x] is an (x+1)-th sub expanded message of Wr,

wherein the sub expanded messages are generated based on Equations 2, 3 and 4 below:
W0[i]=M[i], 0?i?15  (2)

W1[i]=M[i+16], 0?i?15  (3)

Wr[i]=Wr?2[?(i)]Wr?1[i], 2?r?R, 0?i?15  (4)

where a value of ?(i) is an integer equal to or larger than 0 and equal to or smaller than 15, and ? is a bijective function.

US Pat. No. 9,841,470

TRIAXIAL COIL SENSOR AND MAGNETIC FIELD MEASURING DEVICE INCLUDING THE SAME

Electronics and Telecommu...

1. A magnetic field measuring device comprising:
a first sensor unit which includes a first coil sensor configured to output a first sensor signal and is connected to a first
node and a second node;

a second sensor unit which includes a second coil sensor configured to output a second sensor signal and disposed in a direction
perpendicular to the first coil sensor, and is connected to the second node and a third node;

a third sensor unit which includes a third coil sensor configured to output a third sensor signal and disposed in a direction
perpendicular to the first and second coil sensors, and is connected to the third node and a fourth node; and

a digital signal processor which is connected to the first and fourth nodes and is configured to output magnetic flux density
based on a voltage difference between the first and fourth nodes,

wherein the first to third sensor units respectively output first to third output signals in which specific voltages of the
first to third sensor signals are maintained for a predetermined period of time;

wherein the first to third coil sensors comprise:
a disc-shaped core configured to have a first diameter and a first height and correspond to the third coil sensor;
a first cylindrical core provided in the disc-shaped core to have a second diameter and a second height and correspond to
the first coil sensor; and

a second cylindrical core provided in the disc-shaped core in a direction perpendicular to the first cylindrical core to have
the second diameter and the second height and correspond to the second coil sensor,

wherein the second diameter is equal to or less than the first height, the second height is equal to or less than the first
diameter, and central axes of the first and second cylindrical cores are parallel to a disc surface of the disc-shaped core.

US Pat. No. 9,838,093

METHOD OF TRANSMITTING AND RECEIVING FRAME FOR UPLINK MULTI-USER MULTIPLE-INPUT AND MULTIPLE-OUTPUT (UL MU-MIMO) COMMUNICATION

ELECTRONICS AND TELECOMMU...

1. A method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication
in an access point (AP), the method comprising:
determining at least one transmission station (STA);
transmitting, to the at least one transmission STA, by the AP, an uplink multi-user poll (UL MU poll) frame requesting an
UL MU transmission, the UL MU poll frame comprising a common information field that includes a length field indicating a value
of a length field of an L-SIG of a frame to be received by the AP;

receiving, from the at least one transmission STA, the frame that is sent in response to the UL MU poll frame transmitted
by the AP; and

transmitting an acknowledgement (ACK) frame to the at least one transmission STA in response to the receiving.

US Pat. No. 9,838,711

METHOD AND APPARATUS FOR PERFORMING INTRA-PREDICTION USING ADAPTIVE FILTER

Electronics and Telecommu...

1. A video decoding apparatus, comprising:
a processor to determine whether to apply a first filter to a reference pixel value of a current block based on at least one
of an intra prediction mode of the current block and a size of the current block and to derive a prediction value of the current
block using the reference pixel value,

wherein the processor determines whether to apply a second filter to the prediction value of the current block based on at
least one of an intra prediction mode of the current block and a size of the current block, for thereby producing a filtered
prediction value,

wherein when the intra prediction mode of the current block is a DC mode, the processor, as the second filter, applies a 3-tap
filter to an upper-leftmost pixel of the current block among the prediction pixels of the current block and applies a 2-tap
filter to remaining uppermost and leftmost pixels except the upper-leftmost pixel among the prediction pixels of the current
block, and

wherein the upper-leftmost pixel corresponds to a first filter coefficient and the remaining uppermost and leftmost pixels
correspond to a second filter coefficient, wherein the second filter coefficient is 1.5 times larger than the first filter
coefficient.

US Pat. No. 9,838,224

RECEPTION APPARATUS OF MULTI INPUT MULTI OUTPUT SYSTEM AND RECEPTION SIGNAL PROCESSING METHOD

Electronics and Telecommu...

1. A reception apparatus comprising:
a plurality of reception antennas; and
a signal processing unit configured to use reception characteristic of the plurality of reception antennas,
wherein the signal processing unit comprises a signal processor that executes computer executable program code, the computer
executable program code comprising:

channel estimation program code that respectively estimates a channel response matrix of each signal received via the plurality
of reception antennas, and

coding program code that defines a coding matrix based on an inverse matrix of the estimated channel response matrix, and
that obtains a final output signal corresponding to each reception antenna by applying the coding matrix to each received
signal,

wherein the coding program code applies the coding matrix to a first signal received by a first reception antenna of the plurality
of reception antennas and erases the estimated channel response matrix from the first signal through the coding matrix.

US Pat. No. 9,825,710

METHOD AND SYSTEM FOR DETERMINING AND CONTROLLING POWER OF OPTICAL TRANSMITTER OF OPTICAL NETWORK UNIT FOR TIME AND WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORK

ELECTRONICS AND TELECOMMU...

1. An optical line terminal (OLT) for determining and controlling power of an optical transmitter of an optical network unit
(ONU) provided for a time and wavelength division multiplexing passive optical network (TWDM-PON) system, the OLT comprising:
an RSSI collector configured to collect received signal strength indication (RSSI) information from upstream optical signals
received from corresponding ONU connected to OLT port; and

a power mode controller configured to receive power mode setting information of the optical transmitter of the ONU from an
ONU power level determiner, and to generate a physical layer operation and maintenance (PLOAM) message to control power modes
of the ONU based on the received power mode setting information, wherein

the RSSI information includes a channel number identifying the OLT port, an ONU-Identification (ONU-ID) identifying the ONU,
a measured RSSI value, and current power mode information of the ONU.

US Pat. No. 9,819,942

APPARATUS FOR ENCODING AND DECODING IMAGE USING ADAPTIVE DCT COEFFICIENT SCANNING BASED ON PIXEL SIMILARITY AND METHOD THEREFOR

Electronics and Telecommu...

1. A method to encode an image comprising:
selecting an intra prediction mode;
performing transformation and quantization to obtain transform coefficients of the image; and
performing entropy encoding of the transform coefficients scanned according to a scanning mode selected based on the selected
intra prediction mode, wherein

the scanning mode is selected to be a horizontal scanning mode when the selected intra prediction mode is a vertical intra
prediction mode, and the scanning mode is selected to be a vertical scanning mode when the selected intra prediction mode
is a horizontal intra prediction mode.

US Pat. No. 9,807,340

METHOD AND APPARATUS FOR PROVIDING EYE-CONTACT FUNCTION TO MULTIPLE POINTS OF ATTENDANCE USING STEREO IMAGE IN VIDEO CONFERENCE SYSTEM

Electronics and Telecommu...

1. An image processing method in an apparatus which supports video conference, the method comprising:
generating an object mask for an image using stereo image information from a first camera and a second camera and depth image
information from a depth camera and calculating an occlusion region in the object mask with respect to a depth;

calculating an edge coordinate between objects of the image using the object mask and the occlusion region and determining
a depth value of the edge coordinate of the depth image information through stereo image matching using the depth image information;
and

correcting such that there are depth values of the occlusion region to an end of the occlusion region toward the occlusion
region in the edge coordinate.

US Pat. No. 9,805,055

METHOD AND APPARATUS FOR READING DATA IN DISTRIBUTED FILE SYSTEM

Electronics and Telecommu...

1. A method of reading data in a distributed file system, the method comprising:
generating, by a server, a context structure including a context identifier (ID) and a file descriptor (fd) for a file when
a context generation request for a read target file is received from a client and transmitting the context ID to the client;

receiving, by the server, a plurality of read requests, each read request including a context ID, a latest context request
serial number, an offset indicating a requested read position, and read size information corresponding to the file; and

sequentially processing, by the server, the plurality of read requests by referring to the context request serial number included
in each read request,

wherein the sequentially processing of the plurality of read requests includes:
determining whether the read request is a reordered request by comparing a context processing request serial number included
in the read request to a latest context processing number included in the context structure of the server,

making the read request wait until processing for a request previous to the read request is completed in case that the read
request is the reordered request, and

processing the read request after processing for the previous request is completed.

US Pat. No. 9,806,939

METHOD AND APPARATUS FOR LINEAR PROTECTION SWITCHING

ELECTRONICS AND TELECOMMU...

1. A linear protection switching method of a node, the method comprising:
determining a local request having a highest priority among at least one local request;
determining a global request based on a priority between the determined local request and a remote message; and
performing a state transition based on the global request,
wherein when the new local request request and the remote message request different protection actions despite the new local
request and the remote message having equal priorities, the remote message is determined to be the global request.

US Pat. No. 9,791,570

LASER RADAR APPARATUS AND METHOD OF ACQUIRING IMAGE THEREOF

ELECTRONICS AND TELECOMMU...

1. A laser radar apparatus, comprising:
a light transmission unit configured to output a laser pulse by using a light source;
a light reception unit configured to receive a reflected laser pulse in connection with the laser pulse; and
a controller configured to adjust a repetition rate of the laser pulse of the light source,
wherein the controller adjusts the repetition rate of the laser pulse based on at least one of reception power, a target distance,
a movement speed, a vertical angle, and a radiation angle,

wherein the controller measures the reception power from the reflected laser pulse, and when the reception power is increased,
the controller increases the repetition rate of the laser pulse, and when the reception power is decreased, the controller
decreases the repetition rate of the laser pulse.

US Pat. No. 9,787,401

MODE DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORK (MDM-PON) APPARATUS, AND TRANSMISSION AND RECEPTION METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...

1. A Mode Division Multiplexed Passive Optical Network (MDM-PON) apparatus, comprising:
a non-mode selective multiplexer configured to comprise a first end where three or more single-mode optical fibers are spaced
apart from each other by a predetermined distance, and a second end where cores of the three or more single-mode optical fibers
are tapered such that a gap between the three or more single-mode optical fibers is narrower than the predetermined distance
while the three or more single-mode optical fibers are spaced apart from each other by an equal distance, wherein the non-mode
selective multiplexer outputs, to the second end, an optical signal mode generated by coupling optical signals received at
the first end, splits the optical signals received at the second end into a number of the single-mode optical fibers, and
outputs the split optical signals to the first end;

an optical line terminal (OLT) connected to the second end through a few-mode fiber, and configured to transmit a downstream
optical signal; and

three or more optical network units (ONUs) connected to the first end through the three or more single-mode optical fibers,
and configured to transmit upstream optical signals.

US Pat. No. 9,788,000

METHOD AND APPARATUS FOR INTER COLOR COMPONENT PREDICTION

Electronics and Telecommu...

1. An image decoding method carrying out inter-color component compensation, comprising:
generating quantized data by receiving a bitstream;
generating a transform coefficient from the quantized data;
generating a residual signal from the transform coefficient;
generating a residual block with respect to a second color component by modifying the residual signal using a residual block
of a first color component; and

obtaining a reconstructed block by adding a prediction block with respect to the second color component to the residual block
with respect to the second color component,

wherein the generating the residual block with respect to the second color component generates the residual block with respect
to the second color component by modifying the residual signal using a value, corresponding to the residual block associated
with the first color component, multiplied by a scaling factor, if a predetermined condition is satisfied,

wherein the scaling factor is included in a transform unit in such a way that a sign value of the scaling factor and an absolute
value of the scaling factor are separated from each other,

wherein the scaling factor is encoded in consideration of whether the transform unit is larger than a predetermined size,
and

wherein the scaling factor is encoded in consideration of whether an intra prediction mode for the second color component
is a derived mode in which a first intra prediction mode corresponding to the first color component is identical to a second
intra prediction mode corresponding to the second color component when the intra prediction mode is used,

wherein the number of intra prediction modes for the first color component is different from the number of intra prediction
modes for the second color component,

wherein the intra prediction modes for the first color component include two non-directional modes and 33 directional modes,
and the intra prediction modes for the second color component include the two non-directional modes, a vertical mode, a horizontal
mode and the derived mode,

wherein the intra prediction modes for the first color component is labelled by 0, 1, . . . , 34 and the intra prediction
modes for the second color component is labelled by 0, 1, . . . , 4,

wherein the generating the residual block with respect to the second color component generates a compensation value using
a right shift process for generating the residual block by adding the compensation value to the residual signal,

wherein a bit number corresponding to the right shift process is larger than or equal to a base 2 logarithm of a horizontal
size of the predetermined size.

US Pat. No. 9,787,387

METHOD AND APPARATUS FOR VIRTUALIZING ANTENNA IN MULTI-ANTENNA SYSTEM, AND METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL USING THE SAME

Electronics and Telecommu...

1. A signal transmission method of a transmitter, comprising:
mapping an antenna port to a logical antenna port through a first virtualization;
mapping the logical antenna port to a transceiver unit (TXRU) through a first operation;
mapping the TXRU to a logical TXRU through a second operation; and
mapping the logical TXRU to a physical antenna element through a second virtualization,
wherein a first complex matrix corresponding to the first operation is a unitary matrix of which a size of each element is
1 and is an inverse matrix of a second complex matrix corresponding to the second operation.

US Pat. No. 9,780,891

METHOD AND DEVICE FOR CALIBRATING IQ IMBALANCE AND DC OFFSET OF RF TRANCEIVER

ELECTRONICS AND TELECOMMU...

1. A method for calibrating a DC offset and an I-Q imbalance component of an RF transceiver, the method comprising:
inputting a test signal into a transmitter, and converting the test signal into an analogue test signal;
converting the analogue test signal using a transmitting mixer;
sub-sampling a signal output from the transmitting mixer; and
computing a DC offset calibrating constant number and an I-Q imbalance calibrating constant number from a sub-sampled signal,
wherein a frequency fs of the test signal, a carrier frequency fc and a sub-sampling frequency fss satisfy the following equations
[1-1] to [1-3],

kfss?fc?(k+1)fss  [1-1]

(k+½)fss?fc  [1-2] and

½fss?fc?kfss+fs  [1-3],

where k is a constant number.

US Pat. No. 9,778,346

CONSTANT FALSE ALARM RATE DEVICE FOR SIGNAL DETECTION SYSTEM

Electronics and Telecommu...

1. A constant false alarm rate (CFAR) device for a signal detection system, comprising:
a first signal selection unit configured to receive a last signal of a lagging sorting array and signals of one or more lagging
guard cells, and to select any one of the last signal of the lagging sorting array and the signals of the one or more lagging
guard cell as a test signal based on a received guard cell size and then output the test signal; and

a second signal selection unit configured to receive the test signal and signals of one or more leading guard cells, and to
select any one of the test signal and the signals of the one or more leading guard cells based on the guard cell size and
transfer this selected signal to the leading sorting array.

US Pat. No. 9,780,698

PIEZOELECTRIC ENERGY HARVESTING ARRAY AND METHOD OF MANUFACTURING THE SAME

ELECTRONICS AND TELECOMMU...

1. A piezoelectric energy harvesting array comprising:
a base;
a plurality of piezoelectric energy harvesting devices clamped to the base;
masses clamped to end parts of the plurality of piezoelectric energy harvesting devices facing the base; and
additive masses which adhere to the masses, the additive masses being so arranged that each piezoelectric energy harvesting
device is individually tuned to a reference frequency of the base by one of the additive masses corresponding thereto, to
thereby prevent resonant frequency mismatch when the masses vibrates.

US Pat. No. 9,781,741

DEVICE AND METHOD FOR CONTROLLING SLOT-BASED CHANNEL ACCESS IN WIRELESS LAN SYSTEM, AND SLOT-BASED CHANNEL ACCESS TERMINAL IN WIRELESS LAN

ELECTRONICS AND TELECOMMU...

1. A channel access control method in a wireless local area network (WLAN) system, the method comprising:
generating an allocation frame comprising slot allocation information on a slot allocated to at least one station (STA); and
transmitting the generated allocation frame,
wherein the slot allocation information comprises an indicator that indicates whether the slot allocation information comprises
information on an association identification (AID) of a STA allocated to the slot or a group ID of STAs allocated to the slot,

wherein, when the indicator indicates a first value, the slot allocation information includes the AID without the group ID,
and

wherein, when the indicator indicates a second value, the slot allocation information includes the group ID without the AID.

US Pat. No. 9,774,404

APPARATUS AND METHOD FOR RECOGNIZING OPTICAL CONNECTOR CONNECTION

Electronics and Telecommu...

11. An apparatus for recognizing optical connector connection comprising:
an adapter assembly having an optical adapter and an IC tag connection unit configured to provide bus power to a tag assembly
separate and distinct from the adapter assembly having an optical connector and an IC tag for storing an IC tag ID uniquely
given to the optical connector when the optical connector for optical-cable-connection is connected to the optical adapter;
and

an IC tag ID obtaining unit coupled to the IC tag connection unit via a communication line and configured to obtain the IC
tag ID stored in the IC tag through the IC tag connection unit so as to recognize an optical connection point by serial bus
communication, when the optical connector is connected to the optical adapter.

US Pat. No. 9,742,699

NETWORK APPARATUS AND SELECTIVE INFORMATION MONITORING METHOD USING THE SAME

Electronics and Telecommu...

1. A network apparatus, comprising:
one or more physical interfaces connected to a monitoring target host and configured to receive network packets from the monitoring
target host; and

in response to receipt of the network packets, a configurable monitoring module comprising a packet information filtering
unit and an information transmission unit which being configured and executed by a processor using algorithm, which when executed,
causes the processor

to determine whether to monitor the monitoring target host by determining whether a current host is a monitoring target host,
in response to detection of the current host being the monitoring target host, to extract selective information to be monitored
from the network packets collected through the one or more physical interfaces and

to transmit the extracted selective information according to monitoring setting information which configured to specify selective
information to be extracted from the network packets and how to transmit by algorithm, the algorithm being performed by the
processor according to the following condition, the algorithm enables a determination to be made in relation to whether to
monitor entire information of the network packets or whether to monitor partial information of the network packets,

in response to detection of a single packet copy, to transmit entire information by maintaining a format of the network packets
without change,

in response to detection of a single packet copy and remote transmission method, to transmit partial information copied using
the single packet copy to monitoring information reception equipment using a protocol,

in response to detection of a single packet information remote transmission method, to transmit only monitoring information
of the network packets to monitoring information reception equipment using a specific protocol by generating a header based
on the specific protocol, and adding the monitoring information to the network packets, and

in response to detection of a multi-packet information remote transmission method to transmit information by gathering monitoring
information of multiple packets into a single packet and transmitting the single packet.

US Pat. No. 9,773,505

ENCODING APPARATUS AND DECODING APPARATUS FOR TRANSFORMING BETWEEN MODIFIED DISCRETE COSINE TRANSFORM-BASED CODER AND DIFFERENT CODER

ELECTRONICS AND TELECOMMU...

1. An encoding apparatus, comprising:
a first encoder configured to encode a previous frame for a speech characteristic signal in an input signal according to a
Code Excited Linear Prediction (CELP); and

a second encoder configured to encode a current frame for an audio characteristic signal in the input signal according to
a Modified Discrete Cosine Transform (MDCT), wherein

when switching occurs from the previous frame for the speech characteristic signal to the current frame for the audio characteristic
signal in the input signal, the first encoder encodes an additional MDCT information extracted from the previous frame,

the first encoder encodes additional MDCT information in the speech characteristic signal for overlap-add operation between
the previous frame and the current frame,

the current frame is decoded according to MDCT by applying a first window into the additional MDCT information, applying a
second window into the current frame, and performing overlap-add between the current frame applied the first window and the
additional MDCT information applied second window, in a decoding apparatus,

the additional MDCT information is applied to the second window for removing time domain aliasing generated during MDCT, and
the additional MDCT information is extracted from a delayed block in the previous frame with respect to a block of the current
frame.

US Pat. No. 9,734,346

DEVICE AND METHOD FOR PROVIDING SECURITY IN REMOTE DIGITAL FORENSIC ENVIRONMENT

ELECTRONICS AND TELECOMMU...

1. A method of providing security, comprising:
making, by a security providing apparatus, an evidence collection request for collection of evidence of an evidence collection-target
apparatus to an evidence collection agent in a remote digital forensic environment;

collecting evidence data corresponding to the evidence collection request from the evidence collection agent;
verifying the evidence data based on a signature value of the evidence data collected from the evidence collection agent;
generating evidence analysis data based on the verified evidence data;
verifying the evidence analysis data based on a signature value of the evidence analysis data; and
providing security for the evidence collection-target apparatus based on results of the verification of the evidence analysis
data,

wherein verifying the evidence data comprises verifying an evidence collection token received from the evidence collection
agent along with the evidence data,

wherein the evidence collection token comprises information about the evidence collection-target apparatus, a predetermined
type of evidence, a predetermined evidence collection method, collection permission information, and an evidence collection
period,

wherein generating the evidence analysis data comprises generating the evidence analysis data using an evidence analysis method
included in an evidence analysis token corresponding to the verified evidence data, and

wherein the evidence analysis token comprises information about the evidence data, a predetermined evidence analysis method,
an evidence analysis period, an evidence data decryption method, and a decryption key.

US Pat. No. 9,735,788

PHASE LOCKED LOOP FOR REDUCING FRACTIONAL SPUR NOISE

ELECTRONICS AND TELECOMMU...

1. A phase locked loop (PLL) that generates an output clock signal corresponding to a reference clock signal, the phase locked
loop (PLL) comprising:
a first phase interpolator configured to generate a first interpolator clock signal that has a first time delay from the output
clock signal;

a second phase interpolator configured to generate a second interpolator clock signal that has a second time delay from the
output clock signal;

an interpolator controller configured to generate an interpolator control signal that enables one of the first and second
interpolator clock signals to be selected in a specific ratio;

a multiplexer configured to select one of the first and second interpolator clock signals according to the interpolator control
signal;

a divider configured to divide the selected one of the first and second interpolated clock signals to generate a divided clock
signal; and

a digitally controlled oscillator configured to control a frequency of the output clock signal corresponding to a phase difference
between the reference clock signal and the divided clock signal.

US Pat. No. 9,769,717

METHOD AND APPARATUS FOR OPERATING SYSTEM IN CELLULAR MOBILE COMMUNICATION SYSTEM

ELECTRONICS AND TELECOMMU...

1. A method for operating a system in a base station that operates an ultra wideband as a frequency resource, including a
plurality of antenna assemblies in a mobile communication system, the method comprising:
dividing an ultra wideband into a plurality of unit-bands (UBs);
forming a plurality of spot beams by the plurality of antenna assemblies;
grouping a plurality of beam component carriers (BBCs) distinguished by the plurality of UBs into BBCs that belong to the
same UB with respect to each spot beam to operate the grouped BBCs as a plurality of cells;

configuring one cell among the plurality of cells to support movement of a terminal; and
allocating the frequency resource of a data domain for the same UB at the same time for a plurality of terminals by pairing
the cells based on cells that do not interfere with each other and allocating the same resource to the paired cells to transmit
different information to the data domain among the paired cells.

US Pat. No. 9,761,750

LARGE CALIBER ARRAY TYPE TERAHERTZ WAVE GENERATING DEVICE HAVING PHOTONIC CRYSTAL STRUCTURE

ELECTRONICS AND TELECOMMU...

1. A large caliber terahertz wave generating device having a photonic crystal structure, comprising:
a first electrode comprising a first line pattern extending in a first direction, a plurality of second line patterns coupled
to the first line pattern and extending in a second direction intersecting with the first direction, and a plurality of third
line patterns coupled to the first line pattern and extending in the second direction, the plurality of third line patterns
being disposed between the plurality of second line patterns and being longer than the plurality of second line patterns;
and

a second electrode disposed to face the first electrode and comprising a fourth line pattern extending in the first direction,
a plurality of fifth line patterns coupled to the fourth line pattern and extending in the second direction, and a plurality
of sixth line patterns coupled to the fourth line pattern and extending in the second direction, the plurality of sixth line
patterns being disposed between the plurality of fifth line patterns and being longer than the plurality of fifth line patterns.

US Pat. No. 9,728,198

LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRETE COSINE TRANSFORM (MDCT)-BASED UNIFIED VOICE/AUDIO ENCODING DEVICE

Electronics and Telecommu...

1. A processing method performed by a device, comprising:
identifying a previous frame which has a speech characteristic to be coded in a time domain;
identifying a current frame which has an audio characteristic to be coded in a frequency domain; and
overlap-adding a first signal related to the previous frame and a second signal related to the current frame for time domain
aliasing cancellation (TDAC), when a switching occurs from the previous frame to the current frame,

wherein the first signal is windowed previous frame modified based on an artificial TDA (time domain aliasing) signal, and
the second signal is windowed current frame,

wherein the artificial TDA signal is used to compensate for a distortion between the first signal and the second signal.

US Pat. No. 9,762,186

REGULATED CASCODE (RGC)-TYPE BURST MODE OPTIC PRE-AMPLIFIER HAVING EXTENDED LINEAR INPUT RANGE

ELECTRONICS AND TELECOMMU...

1. A burst-mode optical pre-amplifier comprising:
a Regulated Cascode (RGC) type Trans-Impedance Amplifier (TIA),
wherein a current path is added in the circuit of the RGC-type TIA to control a linearity state of the RGC-type TIA, and a
main voltage gain controlled in other circuit blocks after the RGC-type TIA; and wherein

the current path comprises a switch connected to an input node of the RGC-type TIA in parallel, and a current source connected
to the input node of the RGC-type TIA in parallel and to the switch in serial; and

the current path extends a linear input range of the RGC-type TIA.

US Pat. No. 9,729,651

METHOD FOR DELIVERING PUSH NOTIFICATION AND PUSH NOTIFICATION SERVER FOR PERFORMING THE SAME

ELECTRONICS AND TELECOMMU...

1. A method for delivering a push notification, comprising:
receiving, by a push notification server, a push notification message from a push notification server application;
sending, by the push notification server, the push notification message to a push notification client registered in association
with the push notification server application;

if the push notification message has not yet been sent, storing the push notification message in a transmission queue within
the push notification server, and resending the push notification message stored in the transmission queue to the push notification
client, or processing an update, expiration or cancellation for the push notification message; and

changing a push delivery state of a push notification message, sending of which has failed, to a delivery failed state, and
transferring an error message corresponding to results of the failed sending to the push notification server application,

wherein the error message includes an error message code indicating a type of error, and
wherein the error message further includes a control command field and an identification number field indicating a message
in which an error has occurred.

US Pat. No. 9,760,154

METHOD OF DYNAMICALLY CONTROLLING POWER IN MULTICORE ENVIRONMENT

ELECTRONICS AND TELECOMMU...

9. A method of dynamically controlling power in a multicore environment including a multicore processor which includes a plurality
of cores and a scheduler, the method comprising:
determining, by the scheduler, whether a management policy is set;
when the management policy is determined to be set by the scheduler, collecting frequency change information used to change
frequencies of the plurality of cores;

calculating an average load of each core based on the collected frequency change information;
calculating an average frequency of each core according to the calculated average load of each core;
comparing the calculated average frequency of each core and a threshold frequency;
when the calculated average frequency of each core is determined to be less than the threshold frequency, comparing the calculated
average frequency of each core and a core off threshold frequency;

performing one of turning off a core or setting the calculated average frequency of each core as a first next frequency of
each core according a result of the comparing of the calculated average frequency of each core and a threshold frequency;

operating the plurality of cores according to the first next frequency of each core; and
when the calculated average frequency of each core is determined to be less than the core off threshold frequency, turning
off a core having a minimum average load among the plurality of cores,

wherein a load of the core having the minimum average load among the plurality of cores is allocated to a core having the
second lowest minimum average load after the minimum average load among the plurality of cores.

US Pat. No. 9,720,563

APPARATUS FOR REPRESENTING 3D VIDEO FROM 2D VIDEO AND METHOD THEREOF

Electronics and Telecommu...

1. A method of representing a 3D video from a 2D, the method implementable by a computer and comprising:
generating nodes, each having a defined task sequence required for a 3D video representation, in a node connecting task section
provided to a Graphic User Interface (GUI);

generating a task pipeline defining a connectivity relationship between the generated nodes;
providing a user interface that is configured to operate user-defined data that is to be used by a certain node of the task
pipeline, and generating user-defined data based on a user input that is input through the user interface; and

outputting a 3D video from an input 2D video by use of the task pipeline and the user-defined data,
wherein connectivity relationships between generated nodes are displayable in a user viewable connectivity diagram having
lines interconnecting tasks of respective connectivity relationships.

US Pat. No. 9,721,348

APPARATUS AND METHOD FOR RAW-COST CALCULATION USING ADAPTIVE WINDOW MASK

ELECTRONICS AND TELECOMMU...

1. An apparatus that performs raw-cost calculation using an adaptive window mask, the apparatus comprising:
an image acquirer configured to acquire image information that includes pattern and texture information of a reference image,
and pattern and texture information of a target image, wherein the reference image and the target image comprise a stereo
image;

a window generator configured to generate a plurality of windows, each including at least one pixel, by receiving the texture
information, included in the acquired image information, and having respective shapes determined depending on types of objects
of the texture information of the reference image or target image;

a window mask generator configured to generate a window mask, which has a same shape as a shape of the generated windows,
and is capable of converting the pattern information, included in the acquired image information, according to a predetermined
algorithm;

a window masker configured to perform masking of the reference image and the target image the by using the generated window
mask to convert the pattern information of the reference image and the pattern information of the target image included in
the acquired image information; and

a raw-cost calculator configured to match pattern information of the masked reference image and pattern information of the
masked target image to calculate a difference, and to calculate a raw cost based on the difference,

wherein the reference image and the target image are combined, using the calculated raw cost, to produce a three-dimensional
(3D) image.

US Pat. No. 9,723,259

APPARATUS AND METHOD FOR ADDING SYNCHRONIZATION INFORMATION TO AN AUXILIARY DATA SPACE IN A VIDEO SIGNAL AND SYNCHRONIZING A VIDEO

ELECTRONICS AND TELECOMMU...

1. An encoding system, comprising:
a sync data adding apparatus to add sync data to an ancillary data space of a video signal;
an encoding apparatus to generate a bitstream in which the sync data is added by encoding the video signal in which the synch
data is added; and

a multiplexing apparatus to synchronize a plurality of bitstreams based on the sync data included in the bitstream, and multiplexes
the synchronized bitstreams,

wherein the encoding apparatus identifies the sync data in the ancillary data space of the video signal, and adds the identified
sync data to a user data syntax among syntaxes of the bitstream, and

wherein the multiplexing apparatus determines an interval for verifying the sync data based on the user data syntax added
with the sync data, and synchronizes the plurality of bitstreams by verifying the sync data at the determined intervals.

US Pat. No. 9,714,990

APPARATUS FOR MAGNETIC PARTICLE IMAGING

ELECTRONICS AND TELECOMMU...

1. An apparatus configured for magnetic particle imaging, the apparatus comprising:
a sensing unit configured to detect sample signals, which represent mixed electromagnetic fields, generated from magnetic
particles in a sample;

a driving unit configured to move the sensing unit in a direction of X-axis, Y-axis, or Z-axis; and
a data processing unit configured to rearrange, in a matrix, the sample signals detected by the sensing unit,
wherein the sensing unit comprises:
a first coil set disposed at an upper part of the sample; and
a second coil set disposed at a lower part of the sample,
wherein each of the upper and lower coil sets comprises:
a first frequency coil connected to a first frequency AC power source and configured to pass a first frequency through the
first frequency coil;

a second frequency coil connected to a second frequency AC power source and configured to pass a second frequency through
the second frequency coil, the second frequency being higher than the first frequency, the first frequency being a non-zero
frequency, wherein the second frequency coil is surrounded by the first frequency coil; and

a detection coil surrounded by the first and second frequency coils and configured to detect a sample signal that represents
a missed frequency component generated from first and second frequency electromagnetic fields incident on the magnetic particles
in the sample,

wherein the first and second frequency coils contribute to the generation of the sample signals.

US Pat. No. 9,699,775

METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION IN MULTI-CARRIER WIRELESS COMMUNICATION SYSTEMS

Electronics and Telecommu...

1. A communication apparatus, comprising: one or more antennas, a transceiver for performing wireless transmission and reception,
a memory, and a processor operably coupled to the one or more antennas, the transceiver and the memory, to execute program
instructions stored in the memory,
wherein the processor, when executing the program instructions:
generates a plurality of Physical Downlink Control Channel (PDCCH) candidates including a first PDCCH candidate,
transmits the plurality of PDCCH candidates including the first PDCCH candidate in Common Search Space (CSS) and User equipment-specific
Search Space (USS),

wherein the first PDCCH candidate is transmitted in the CSS, wherein no PDCCH candidate transmitted in the USS satisfies a
first condition, wherein the first condition is satisfied when the first PDCCH candidate in the CSS and a second PDCCH candidate
in the USS have:

(1) Cyclic redundancy check (CRC) scrambled by a same Radio Network Temporary Identifier (RNTI),
(2) a same payload size,
(3) a same first Control Channel Element (CCE) index, and
(4) different sets of Downlink Control Information (DCI) information fields.

US Pat. No. 9,698,829

BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 16200 AND CODE RATE OF 2/15 AND 16-SYMBOL MAPPING, AND BIT INTERLEAVING METHOD USING SAME

ELECTRONICS AND TELECOMMU...

1. A bit group-unit interleaver, comprising:
a first memory configured to store a low-density parity check (LDPC) codeword having a length of 16200 bits and a code rate
of 2/15;

a processor configured to generate an interleaved codeword by interleaving the LDPC codeword on a bit group basis, the size
of the bit group corresponding to 360 bits; and

a second memory storing the interleaved codeword for providing input bits to a modulator, the modulator performing 16-symbol
mapping based on the input bits and providing a modulated signal corresponding to the interleaved codeword,

wherein the processor reads the LDPC codeword from the first memory and writes the interleaved codeword to the second memory,
wherein the interleaving is performed using the following equation using permutation order:
Yj=X?(j) 0?j?Ngroup
where X?(j) is a ?(j)th bit group, Yj is an interleaved j-th bit group, and ?(j) is a permutation order for bit group-based interleaving, and Ngroup is 45,

wherein the permutation order corresponds to an interleaving sequence represented by the following interleaving sequence
={5 33 18 8 29 10 21 14 30 26 11 23 27 4 7 6 24 44 38 31 34 43 13 0 15 42 17 2 20 12 40 39 35 32 1 3 41 37 9 25 19 22 16 28
36}, and

wherein the interleaving sequence is for a case where the 16-symbol mapping is employed and the modulated signal output from
the modulator corresponds to a transmission signal, the transmission signal being transmitted to a reception device.

US Pat. No. 9,673,797

PEAK DETECTOR USING CHARGE PUMP AND BURST-MODE TRANSIMPEDANCE AMPLIFIER

ELECTRONICS AND TELECOMMU...

1. A peak detector using a charge pump, comprising:
a differential amplifier configured to receive an input signal to be detected through an input node and amplify the received
signal;

a current control logic configured to create two or more current control signals by comparing a signal output from the differential
amplifier with two or more reference voltages;

a mirror current source portion comprising two or more mirror current sources configured to be driven respectively by the
current control signals from the current control logic;

a capacitor configured to be charged or discharged by currents output from the mirror current sources; and
a reset circuit configured to reset a voltage of the capacitor; and
a replica amplifier configured to be the same as the differential amplifier, the replica amplifier including two differential
input nodes connected with a same input signal as that input to the differential amplifier and providing a reference voltage
to be applied to the current control logic, wherein the reference voltage is insensitive to changes in process and associated
with a state of the input signal.

US Pat. No. 9,634,112

FIELD EFFECT TRANSISTOR AND METHOD OF FABRICATING THE SAME

ELECTRONICS AND TELECOMMU...

1. A method of fabricating a field effect transistor, comprising:
forming a capping layer on a substrate;
forming a source ohmic electrode and a drain ohmic electrode on the capping layer to be spaced apart from each other;
sequentially forming a first insulating layer and a second insulating layer on the capping layer to cover the source and drain
electrodes;

forming a photoresist layer with a first opening exposing a portion of the second insulating layer between the source and
drain ohmic electrodes;

partially etching the second and first insulating layers using the photoresist layer as an etch mask to define a second opening;
removing the photoresist layer;
partially etching the capping layer using the first and second insulating layers defining the second opening as an etch mask
to form a third opening partially exposing the substrate;

forming a ?-shaped gate electrode with a leg portion connected to the substrate through the third opening and a head portion
covering a top surface of the second insulating layer;

forming a first planarization layer on the second insulating layer to cover the ?-shaped gate electrode; and
forming a first electrode on the first planarization layer, the first electrode being connected to the source ohmic electrode
or the drain ohmic electrode through the first planarization layer, the second insulating layer, and the first insulating
layer;

wherein the defining of the second opening comprises:
partially and anisotropically etching the second and first insulating layers using the photoresist layer as an etch mask to
form a preliminary second opening having substantially the same width as the first opening; and

selectively and isotropically etching the second insulating layer to define a Y-shaped second opening.

US Pat. No. 9,634,120

ELECTRONIC DEVICE AND METHOD FOR FABRICATING THE SAME

ELECTRONICS AND TELECOMMU...

1. An electronic device comprising:
an elastic layer including a lower part and an upper part, each of the lower part and the upper part including an element
region and a wiring region, such that the lower part includes an upper surface having a first corrugated portion and the upper
part includes a lower surface having a second corrugated portion;

an electronic element interposed between the element region of the lower part and the element region of the upper part;
metal wirings interposed between the wiring region of the lower part and the wiring region of the upper part, the metal wirings
being fully covered by the first corrugated portion of the lower part and the second corrugated portion of the upper part,
the metal wirings electrically connecting the electronic element;

a high rigidity pattern embedded within the upper part of the elastic layer above the electronic element, vertically overlapping
the electronic element, wherein the high rigidity pattern includes a lower surface facing the electronic element and an upper
surface opposite to the lower surface, the lower surface of the high rigidity pattern being spaced apart from the electronic
element with the elastic layer being disposed between the high rigidity pattern and the electronic element, the upper surface
of the high rigidity pattern being corrugated.

US Pat. No. 9,632,894

APPARATUS FOR ERROR SIMULATION AND METHOD THEREOF

Electronics and Telecommu...

1. An apparatus for computing an error rate comprising:
a first circuit interface being connected to a first sub-circuit receiving data and computing output data through a predetermined
computation process;

a second circuit interface being connected to a first test circuit receiving the same data, which is inputted to the first
sub-circuit, and computing output data through the predetermined computation process;

an error injecting part injecting an error to the first test circuit through the first circuit interface;
an error detecting part comparing output data of the first sub-circuit to output data of the first test circuit and producing
a compared result; and

an error rate computing part computing an input node error probability of the first sub-circuit by statistic processing of
the compared result.

US Pat. No. 9,628,767

METHOD AND SYSTEM FOR MULTI-PROJECTION

Electronics and Telecommu...

1. A method for performing multi-projection comprising:
executing by a projection processor module computer program code stored on a non-transitory storage medium, the computer program
code comprising:

program code that estimates the intensity transfer function (ITF) of a plurality of projectors;
program code that calculates an optimal black offset threshold for each of the projectors by using each of the ITFs; and
program code that applies the optimal black offset threshold to an image projection by each of the projectors,
wherein the processor module executes the computer program code stored on the non-transitory storage medium in accordance
with Equations 1 and 2 below,


wherein in Equation 1, S is a range of values between 0 and 255, ‘a’ and ‘b’ are approximate values represented by a=0.028
and b=-0.3142, and the base offset value base offset is obtained by projecting a pure black image on a screen by all projectors
at the same time, capturing the pure black image by a still camera, calculating the average intensity value of all overlapping
regions and non-overlapping region for each projector using the captured image, with the calculated average intensity value
corresponding to the base offset value, and

wherein Equation 2 represents the optimal value to which the image of the non-overlapping region is converted to make a seamless
display by estimating the black offset value of the left and right overlapped region to provide the threshold value of the
intensity, T represents the number of the projector, ‘BL’ represents the left overlapped region at the ith projector and ‘BR’ represents the right overlapped region at the ith projector.

US Pat. No. 9,628,528

APPARATUS AND METHOD FOR PROVIDING CONTENT

ELECTRONICS AND TELECOMMU...

1. A method of receiving content in a client, the method comprising:
receiving in the client, from a server, a spatial set identifier (ID) to identify a group of spatially related spatial objects
in a full-frame video;

sending from the client, to the server, a request for a first content corresponding to the spatial set ID; and
receiving in the client, from the server, the first content corresponding to the request,
wherein the receiving of the spatial set ID comprises receiving a Spatial Relationship Description (SRD) which allows Media
Presentation Description authors to express spatial relationships between spatial objects,

wherein the spatial relationship is related to a video which represents a spatial part of the full-frame video,
wherein the spatial ablest is represented by adaptation set or a sub-representation, and
wherein the SRD comprises the spatial set ID, and a horizontal position of each of the spatial objects (x), a vertical position
of each of the spatial objects (y), a width of a reference space (W) and a height of the reference space (H).

US Pat. No. 9,628,079

LEVEL SHIFTER CIRCUIT

ELECTRONICS AND TELECOMMU...

1. A level shifter circuit comprising:
a first transistor connected between a power source terminal of the level shifter circuit and an output terminal of the level
shifter circuit, the first transistor being configured to transmit, in response to a first signal and a second signal, a power
source voltage applied from the power source terminal to the output terminal, the first signal being received from an input
terminal of the level shifter circuit through a first gate of the first transistor, the second signal being received through
a second gate of the first transistor, the second signal alternating between a negative voltage and a positive voltage; and

a second transistor connected between the input terminal of the level shifter circuit and the output terminal, the second
transistor being configured to transmit a ground voltage from the input terminal to the output terminal in response to a gate
signal received through a gate of the second transistor.

US Pat. No. 9,619,936

METHOD AND APPARATUS FOR QUICKLY GENERATING NATURAL TERRAIN

ELECTRONICS AND TELECOMMU...

1. A method of generating a new terrain image, the method comprising:
generating an original terrain image through a patch-based synthesis from one or more virtual noise-based terrain models and
one or more realistic terrain models; and

blending a boundary of the original terrain image to expand the boundary of the original terrain image, wherein blending comprises:
selecting a patch size from the original terrain image;
selecting a patch area from the original terrain image which is calculated to have a minimum matching error between a regularly
overlapped boundary area of the original terrain image and that of the selected patch area; and

adding the selected patch area onto the boundary of the original terrain image to complete the new terrain image.

US Pat. No. 9,613,025

NATURAL LANGUAGE QUESTION ANSWERING SYSTEM AND METHOD, AND PARAPHRASE MODULE

Electronics and Telecommu...

1. A natural language question answering system, comprising:
one or more processors that process computer executable program code embodied in computer readable storage media, the computer
executable program code comprising:

conversion program code that generates a plurality of modified questions by paraphrasing a user's question;
question answering engine program code that receives each of the user's question and the modified questions, and select candidate
answers corresponding to each of the user's question and the modified questions; and

detection program code that detects at least one among the searched candidate answers as an answer,
wherein the conversion program code comprises:
evaluation program code that confirms at least one among meaning preservation, grammar preservation, and an expression popularity
on a plurality of paraphrase questions paraphrasing the user's question, and calculates a reliability value of the plurality
of paraphrase questions; and

prioritization program code that selects N modified questions in a sequence in which the reliability value is great among
the plurality of paraphrase questions, and outputs the N modified question, and

wherein the conversion program code calculates the reliability value of the plurality of paraphrase questions by considering
a weight value with respect to a possibility in which a specific postposition or affix is added to a word or a phrase included
in the plurality of paraphrase questions from a language model which is previously learned.

US Pat. No. 9,608,438

INVERTER SYSTEM FOR PHOTOVOLTAIC POWER GENERATION

ELECTRONICS AND TELECOMMU...

1. An inverter system comprising:
a first photovoltaic panel;
a first inverter including a first switch and a first controller,
wherein the first inverter is connected to the first photovoltaic panel;
a second photovoltaic panel; and
a second inverter including a second switch and a second controller, wherein the second inverter is connected to the second
photovoltaic panel;

wherein according to output values of the first and second photovoltaic panels, through on/off method of the first and second
switches, all of the outputs of the first and second photovoltaic panels are applied to the first inverter, or the output
of the first photovoltaic panel is applied to the first inverter and the output of the second photovoltaic panel is applied
to the second inverter,

wherein the first inverter and the second inverter are connected with a power cable,
wherein the first and second switches are operated separately by the first and second controller,
wherein the first inverter and the second inverter serve as a master inverter and a slave inverter, respectively,
wherein in response to determining that the first inverter has failed, independent operation of the second inverter is performed
by fixing a switch to a second inverter side, and

wherein to determine whether the first inverter is in operation based on a switch state, a voltage of the second photovoltaic
panel is temporarily increased to a value of a photovoltaic panel open voltage,

wherein the first switch is located inside the first inverter and is connected to the second photovoltaic panel in order to
additionally receive the output of the second photovoltaic panel, and

the second switch is located inside the second inverter and is connected between the second photovoltaic panel and the first
inverter in order to receive the output of the second photovoltaic panel or switch the output of the second photovoltaic panel
to the first inverter to apply the output.

US Pat. No. 9,591,592

APPARATUS AND METHOD FOR CONTROLLING TRANSMISSION POWER IN CAN COMMUNICATION

ELECTRONICS AND TELECOMMU...

1. A device for controlling data transmission power in CAN communication, comprising:
a controller area network (CAN) interface configured to receive transmitted data through a CAN BUS;
a message priority management unit configured to read an arbitration ID included in the received data, and determine priority
of the received data; and

a transmission power level selection unit configured to determine a data transmission power level according to the priority.

US Pat. No. 9,590,135

SUPERLUMINESCENT DIODE AND METHOD FOR IMPLEMENTING THE SAME

ELECTRONICS AND TELECOMMU...

1. An SLD (superluminescent diode) that is a light source of a wavelength tunable laser, the SLD comprising:
a first epi layer formed on top of an SI (semi-insulating substrate);
a butt layer grown based on at least a portion of the first epi layer;
a tapered SSC (spot size converter) formed on the butt layer;
an optical waveguide formed on an active area that is based on the first epi layer and on an SSC area that is based on the
tapered SSC;

an RWG formed on the optical waveguide;
a polyimide layer on one side of the RWG in the active area;
a p-type electrode formed on an upper portion of the RWG; and
an n-type electrode formed next to the RWG.

US Pat. No. 9,586,826

METHOD OF GROWING HIGH-QUALITY SINGLE LAYER GRAPHENE BY USING CU/NI MULTI-LAYER METALIC CATALYST, AND GRAPHENE DEVICE USING THE SAME

ELECTRONICS AND TELECOMMU...

10. A graphene device, comprising:
a silicon substrate;
a silicon oxide layer formed on the silicon substrate;
a nickel lower-layered thin film formed on the silicon oxide layer;
a copper upper-layered pattern formed on the nickel lower-layered thin film;
a multi-layer graphene electrode grown on the nickel lower-layered thin film; and
a single layer graphene channel grown on the copper upper-layered pattern.

US Pat. No. 9,577,821

FUNCTION MASKING APPARATUS IN SYMMETRIC CRYPTOGRAPHIC ALGORITHM FOR PREVENTING SIDE CHANNEL ATTACKS AND METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A function masking apparatus for preventing side channel attacks in symmetric cryptography that utilizes a plurality of
internal functions, the apparatus comprising:
a controller including a processor that is configured to execute program instructions to
randomly generate a plurality of non-linear functions, a plurality of linear functions, and a plurality of constants for the
internal functions of the symmetric cryptography,

for each of the plurality of internal functions,
create a lookup table that includes a plurality of operations, through which at least two functions or constants selected
from the plurality of non-linear functions, the plurality of linear functions, and the plurality of constants are used to
convert an input to said each internal function to obtain a converted result,

mask said each internal function by using the converted result as an output of said each internal function, and
encrypt a plaintext using the masked internal functions; and
a storage unit storing the created lookup tables for the plurality of internal functions.

US Pat. No. 9,577,924

SDN-BASED NETWORK DEVICE WITH EXTENDED FUNCTION AND METHOD OF PROCESSING PACKET IN THE SAME DEVICE

Electronics and Telecommu...

1. A network device comprising:
a plurality of flow tables and a plurality of function modules, executed by a processor, using algorithm, which when executed,
causing the processor to search at least one of the flow tables to determine whether a flow entry in the at least one of the
flow tables is matched with an input packet and to execute at least one of the function modules to perform least one of various
functions, other than searching the at least one of the flow tables, related to packet processing on the input packet; and

an entry module executed by the processor, using algorithm, which when executed, configured to determine which operation,
between a flow table search operation searching the at least one of the flow tables and a function module execution operation
executing the at least one of the function modules, is to be performed first when the input packet is received,

wherein, in response to a result of the operation determined by the entry module, the processor is configured to designate
a next operation until there is no operation to be performed on the received input packet, the next operation being the flow
table search operation or the function module execution operation,

wherein when the flow table search operation is performed, the operation to be performed next is designated by an instruction
included in the flow entry matched with the input packet, and

wherein the instruction designates, together with the function module execution operation to be performed next, another function
module execution operation or flow table search operation to be performed subsequent to the function module execution operation.

US Pat. No. 9,544,595

METHOD FOR ENCODING/DECODING BLOCK INFORMATION USING QUAD TREE, AND DEVICE FOR USING SAME

Electronics and Telecommu...

1. A video decoding apparatus using a quad tree structure, comprising:
an entropy decoder configured to
decode integrated code block flag information in an coding unit,
decode a split information flag based on the integrated code block flag information and size information of a transform unit,
decode a code block flag information in the transform unit in response to the transform unit not being additionally split
into an additional transform unit based on the split information flag, and

decode transform coefficients in the transform unit; and
an inverse transformer configured to inversely transform the transform coefficients received from the entropy decoder,
wherein the entropy decoder, after decoding the integrated code block flag information, does not decode the split information
flag when the transform coefficients in the transform unit are absent,

the entropy decoder determines that the transform unit is not additionally split in response to a value of the split information
flag being a predefined value?, and

decodes flag information indicating whether a Luma component in the transform unit includes a transform coefficient other
than 0 into the code block flag information in response to the transform unit not being additionally split based on the split
information flag, and

the entropy decoder decodes the integrated code block flag when a transform depth of the transform unit is 0 and decodes the
split information flag indicating whether the transform unit is additionally split when the transform depth of the transform
unit is 0.

US Pat. No. 9,537,887

METHOD AND SYSTEM FOR NETWORK CONNECTION CHAIN TRACEBACK USING NETWORK FLOW DATA

ELECTRONICS AND TELECOMMU...

1. A method for tracing back a network connection chain in a traceback system for a network attack, the method comprising:
(A) searching, by one or more trace agents distributed on a network, a next network session including a trace address included
in first finger printing information as a destination address by referring to a database, the first finger printing information
in which a source address of a previous network session is substituted with the trace address; and

(B) searching, by the respective trace agents, network flow information of the next network session, which includes the first
finger printing information, by referring to the database to generate second finger printing information including a source
address of the searched next network session as the trace address and generate an attack connection chain list including an
ID for the searched next network session in addition to an ID for the previous network session,

wherein finger printing information further includes a flow start time and a flow end time,
wherein step (B) includes:
determining whether the trace address of the first finger printing information is included in the network flow information
of the next network session as the destination address; and

determining whether a period from a flow start time up to a flow end time of the first finger printing information has a subset
relationship with a period from a flow start time up to a flow end time of finger printing information of the next network
session, and

wherein step (B) further includes generating a final attack connection chain list up to now and transmitting the generated
final attack connection chain list to the trace requester on the network when the network flow information including the first
finger printing information is not searched.

US Pat. No. 9,529,654

RECOVERABLE AND FAULT-TOLERANT CPU CORE AND CONTROL METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A recoverable and fault-tolerant central processing unit (CPU) core, comprising:
first, second, and third arithmetic logic circuits configured to perform a calculation requested by a same instruction;
a first selector configured to compare calculation values output from the first, second, and third arithmetic logic circuits
by the same instruction, determine as a normal state when two or more of the calculation values are the same, and if not,
determine as a fault state;

a register file configured to record a calculation value having the same value, when determining as the normal state in the
first selector, and

a second selector configured to compare control signals output from the first, second, and third arithmetic logic circuits,
determine as a normal state when two or more of the control signals are the same, and if not, determine as a fault state,
the control signal designating a same address to be read in the register file.

US Pat. No. 9,524,337

APPARATUS, SYSTEM, AND METHOD FOR DETECTING COMPLEX ISSUES BASED ON SOCIAL MEDIA ANALYSIS

ELECTRONICS AND TELECOMMU...

1. A system for detecting complex issues based on social media analysis, the system comprising:
a unit issue detecting unit configured to receive a keyword from a user terminal, and to detect per-type unit issues associated
with the received keyword;

a complex issue detecting unit configured to detect per-type complex issues from the detected per-type unit issues;
a complex issue ranking unit configured to analyze the detected per-type complex issues, and to rank the per-type complex
issues based on the analysis result; and

a complex issue configuring unit configured to configure the ranked per-type complex issues in a predetermined form of displaying
the ranked per-type complex issues on a screen that enables users to induce a micro trend, and to provide the configured form
to a display unit of the user terminal.

US Pat. No. 9,479,238

METHOD OF BEAMFORMING AND 3D ANTENNA ARRAY

ELECTRONICS AND TELECOMMU...

1. A method of beamforming of a communication node using a 3D antenna array, comprising:
transmitting a first control channel;
receiving first feedback information on a first antenna set which is included in the 3D antenna array of the communication
node and a first precoding scheme for the first antenna set from a first communication node different from the communication
node, wherein the first antenna set and the first precoding scheme are determined based on the first control channel by the
first communication node; and

beamforming a traffic channel to be transmitted to the first communication node using the first antenna set and the first
precoding scheme, so that the first communication node receives the traffic channel through a second antenna set which is
included in a 3D antenna array of the first communication node, wherein the second antenna set is determined based on the
first control channel by the first communication node,

wherein the 3D antenna array of the communication node includes a plurality of element antennas and a plurality of antenna
sets, and each of the plurality of antenna sets includes some of the plurality of element antennas, and

wherein the first antenna set shares some of the plurality of element antennas with adjacent antenna sets of the plurality
of antenna sets.

US Pat. No. 9,390,825

X-RAY DISTRIBUTION ADJUSTING FILTER, CT APPARATUS AND METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. An X-ray distribution adjusting filter comprising an outer part integral with an inner part,
wherein the inner part has a long axis and a short axis, and positions of the long axis and the short axis of the inner part
are changed according to rotation angles of the X-ray distribution adjusting filter toward a subject, such that X-ray intensity
distribution is adaptively adjusted to an environment where a thickness and a width of the subject are different, and

wherein a controller is configured to use physique information of the subject to adjust a distance between a horizontal axis
of the X-ray distribution adjusting filter and an X-ray source.

US Pat. No. 9,274,214

APPARATUS FOR CONTROLLING DRIVING OF LIGHTING-EMITTING DIODE AND METHOD OF PROVIDING CONTROL SIGNAL THEREOF

ELECTRONICS AND TELECOMMU...

1. An apparatus for controlling the driving of a light-emitting diode (LED), the apparatus comprising:
a motion velocity generating unit receiving an input signal to generate a motion velocity signal;
a previous section average value generating unit comparing input signals received in previous sections to generate a previous
section average value;

a state value generating unit generating a motion state value for the input signal based on the previous section average value
and settings for determination of a motion state of the object;

a control unit applying the settings to the state value generating unit, wherein the control unit receives the motion velocity
signal and the motion state value and generates a frequency value of a switching control signal; and

an LED switching control signal generating unit generating an LED switching control signal in response to the frequency value
of the switching control signal, wherein the LED switching control signal generating unit applies a generated signal to a
driving unit driving an LED.

US Pat. No. 9,247,481

ROUTING DEVICE AND METHOD

Electronics and Telecommu...

1. A routing device for configuring a Low Power Wireless Mesh Network (LPWMN) including a channel hopping time multiplexing
wireless link, the routing device comprising:
a control unit configured to set up a shared link using an inward rx timeslot and an inward tx timeslot and a dedicated link
to an external device, the dedicated link including an inward dedicated link and an outward dedicated link; and

a communication unit configured to forward a data frame to the external device based on the set-up link
wherein the shared link and the dedicated link comprise superframes whose beacon interval (BI) has a contention access period
(CAP) and a guaranteed time slot (GTS), and a multi-superframe,

wherein the routing device is addressed using a cluster tree,
wherein the cluster tree corresponds to a cluster ID and the routing device is addressed using a position within the cluster
tree,

wherein the control unit is configured to set up a virtual link,
wherein the virtual link comprises a multi-hop link connected through the routing device which relays a routed transport frame
instead of forwarding the routed transport frame.

US Pat. No. 9,219,567

CONVERGED PON FOR TDMA-PON SERVICE BASED ON OFDMA-PON

Electronics and Telecommu...

1. An optical line terminal (OLT) of a converged passive optical network (CPON) that is a combination of a time division multiple
access-passive optical network (TDMA-PON) and an orthogonal frequency division multiple access-passive optical network (OFDMA-PON),
the OLT comprising:
an OLT interface unit to be matched with an OLT of the TDMA-PON corresponding to each of a plurality of services of the TDMA-PON;
a subcarrier queue transmission unit to process a subcarrier queue corresponding to each of the plurality of services;
an OFDM frame processing unit to process an OFDM frame corresponding to each of the plurality of services; and
an OFDM modem to transmit and receive the OFDM frame,
wherein the OFDM frame processing unit comprises:
a first frame conversion unit to convert an OFDM downstream frame transmitted through a subcarrier into a data frame associated
with a service of the TDMA-PON; and

a second frame conversion unit to convert a data frame associated with a service of the TDMA-PON into an OFDM frame for upstream
transmission.

US Pat. No. 9,130,262

DIRECTION CONTROL ANTENNA AND METHOD OF CONTROLLING THE SAME

Electronics and Telecommu...

1. A direction control antenna comprising:
a ground body;
a radiator that radiates a radio frequency (RF) signal and that is used as a direction control element of the direction control
antenna, wherein a stub is formed at an edge of the radiator and a shape of the radiator is symmetrical;

a plurality of impedance elements that are connected between the radiator and the ground body;
a plurality of switches that are connected between each impedance element and the ground body; and
a controller that controls on/off of the plurality of switches according to a control instruction from the outside,
wherein a radiation direction and a radiation form are determined according to a short circuit position of the radiator that
is short-circuited to the ground body and the number of short circuit positions by the turned-on switch,

wherein the direction control antenna is capable of beaming radiation omni-directionally.

US Pat. No. 9,116,006

APPARATUS AND METHOD FOR DETERMINING INDOOR COLLECTION POINTS AND COLLECTING HETEROGENEOUS INFRASTRUCTURE MEASUREMENT INFORMATION

Electronics and Telecommu...

1. An apparatus for determining indoor collection points and collecting heterogeneous infrastructure measurement information,
comprising:
a sensor module unit for sensing a motion and a location;
an indoor map database (DB) including attribute information of an indoor space and an indoor map;
a collection route generation unit for generating a collection route on the indoor map depending on collection conditions;
a collection point determination unit for determining a collection point from which the heterogeneous infrastructure measurement
information is to be collected on the collection route while moving, based on information of the sensor module unit and the
indoor map DB;

a heterogeneous infrastructure measurement information collection unit for collecting heterogeneous infrastructure measurement
information from the collection point; and

an information combination unit for generating results of the collection by combining location information of the collection
point with the heterogeneous infrastructure measurement information at the collection point.

US Pat. No. 9,083,489

BLOCK ENCRYPTION METHOD AND APPARATUS

Electronics and Telecommu...

1. A block encryption method comprising:
dividing an OPc, a random number RAND and a random number S into a unit of a predetermined byte to generate an OPc division
value, a RAND division value and S division value, wherein the OPc is generated by encrypting an OP (operator variant algorithm
configuration field) using a block cipher algorithm;

determining the order of a processing using the RAND and OPc division values and a processing using the S and OPc division
values;

sequentially performing a logical operation on the RAND and OPc division values and a logical operation on the S and OPc division
values in the order that is determined;

sequentially performing a block encryption on a logical operation result of the RAND and OPc division values and a block encryption
on a logical operation result of the S and OPc division values in the order that is determined; and

removing a result of the block encryption performed on the logical operation result of the S and OPc division values and outputting
a result of the block encryption performed on the logical operation result of the RAND and OPc division values,

wherein said determining the order comprises determining the order of the logical operation and the order of the block encryption
separately.

US Pat. No. 9,077,287

SOUND DETECTING CIRCUIT AND AMPLIFIER CIRCUIT THEREOF

ELECTRONICS AND TELECOMMU...

1. A sound detecting circuit comprising:
a sensing unit configured to generate an AC signal in response to a sound pressure level of a sound signal;
an amplification unit configured to amplify the AC signal; and
a bias voltage generating unit configured to generate a bias voltage to be provided to the amplification unit,
wherein the bias voltage generating unit comprises:
a current source configured to provide a power current; and
a current-voltage converting circuit configured to convert the power current into the bias voltage and to reduce a noise due
to the power current,

wherein the bias voltage generating unit further comprises a resistance circuit that is connected to and disposed between
an output terminal of the sensing unit and the current-voltage converting circuit, and

wherein the sensing unit comprises a capacitor-type sensor, and the resistance circuit and the capacitor-type sensor constitute
an RC filter.

US Pat. No. 10,484,989

METHOD AND APPARATUS FOR RECEIVING OR TRANSMITTING DATA

ELECTRONICS AND TELECOMMU...

1. A method of transmitting or receiving data by a terminal in a wireless communication system, the method comprising:receiving first information on a first list of combinations from a base station through a higher layer signaling, each combination indicating a starting symbol and a number of downlink symbol(s) of a downlink data duration;
receiving, from the base station, a physical downlink control channel (PDCCH) including downlink control information (DCI), the DCI including second information which indicates one combination among the first list of combinations, the one combination indicating a starting symbol and a number of downlink symbol(s) of a downlink data duration allocated for the terminal; and
receiving a downlink data during the allocated downlink data duration from the base station, the allocated downlink data duration starting at the starting symbol indicated by the second information and lasting for the number of downlink symbol(s) indicated by the second information.

US Pat. No. 10,485,030

METHOD AND APPARATUS FOR RECEIVING UPLINK SIGNAL IN TRAIN COMMUNICATION NETWORK

ELECTRONICS AND TELECOMMU...

1. A method for receiving an uplink signal by a terrestrial base station, comprising:receiving a preamble corresponding to an orthogonal pseudo-noise (PN) sequence of a plurality of orthogonal PN sequences from an onboard wireless device in a train, wherein the onboard wireless device is connected with the terrestrial base station through a wireless backhaul link;
recognizing an identification (ID) of the onboard wireless device from the preamble, storing the recognized ID of the onboard wireless device, and allocating a temporary network ID and an uplink grant (UL grant) to the onboard wireless device;
receiving the uplink signal transmitted based on the temporary network ID and the UL grant;
obtaining an ID of the onboard wireless device from the uplink signal; and
determining whether a random access of the onboard wireless device is for a network initial access, for a network re-access, or for a handover, by comparing the obtained ID with the recognized ID of the onboard wireless device stored in advance.

US Pat. No. 10,440,707

TRANSMISSION METHOD AND APPARATUS USING SHARED TIMESLOT AND BROADCAST, AND FIRMWARE UPDATE METHOD AND APPARATUS USING THE SAME

Electronics and Telecommu...

1. A transmission method of a network managing apparatus, comprising:broadcasting a plurality of packets using a plurality of shared timeslots shared by a plurality of network nodes for downlink communication and a base channel;
determining one or more missed packets that are not received by the plurality of network nodes among the plurality of packets;
determining a distributor that is to transmit the one or more missed packets and a distribution timeslot and a distribution channel for transmission of the one or more missed packets; and
broadcasting transmission schedule information including information on the distributor and information on the distribution timeslot and the distribution channel using the base channel.

US Pat. No. 10,381,189

X-RAY TUBE

ELECTRONICS AND TELECOMMU...

1. An X-ray tube comprising:an electron beam generation unit emitting an electron beam;
a limiting electrode unit limiting the electron beam emitted from the electron beam generation unit; and
a target unit comprising a target material emitting an X-ray when the limited electron beam collides with the target material,
wherein the limiting electrode unit comprises an electron beam limiting electrode allowing a portion of the emitted electron beam to pass therethrough and to be delivered to the target unit,
wherein the portion of the emitted electron beam has a size corresponding to a size of a focal spot of the X-ray.

US Pat. No. 10,349,398

NON-ORTHOGONAL TRANSMISSION METHOD AND APPARATUS IN COMMUNICATION SYSTEM

ELECTRONICS AND TELECOMMU...

1. An operation method of a first terminal in a communication system, comprising:receiving, from a base station, a control message including a transmission indicator used for identifying the first terminal among a plurality of terminals performing uplink transmission, information on a first resource allocated for the transmission indicator, information on a preconfigured second resource mapped to the first resource, and information on a mapping relation of a third resource to the first resource, the third resource allocated for a response message from the base station;
transmitting the transmission indicator to the base station using the first resource allocated for the transmission indicator; and
after transmitting the transmission indicator, transmitting, without an uplink grant from the base station, an uplink signal to the base station using the preconfigured second resource mapped to the first resource.

US Pat. No. 10,341,950

METHOD AND APPARATUS FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM

Electronics and Telecommu...

1. A communication method performed by a terminal, the method comprising:receiving a data packet for the terminal from a base station;
determining that a first period of time passed after receiving the data packet without receiving any other data packet for the terminal;
determining that a value of a first timer is smaller than a first threshold value; and
repeating a first discontinuous reception (DRX) operation in response to the first period of time passing without receiving any other data packet for the terminal and the value of the first timer being smaller than the first threshold value,
wherein:
the first DRX operation comprises monitoring a downlink channel to detect presence of a first identifier during a first part of a first duration of time and not monitoring the downlink channel during a second part of the first duration of time,
the first identifier indicates that at least one data packet for the terminal will be transmitted,
the terminal repeats the first DRX operation during an active state, and
the terminal in the active state is capable of transmitting or receiving one or more data packets to or from the base station.

US Pat. No. 10,341,461

SYSTEM AND METHOD FOR AUTOMATICALLY RECREATING PERSONAL MEDIA THROUGH FUSION OF MULTIMODAL FEATURES

Electronics and Telecommu...

1. A system for automatically recreating personal media through fusion of multimodal features, the system comprising:one or more processors that process computer executable program code embodied in non-transitory computer readable storage media, the computer executable program code comprising:
multimodal fusion analyzer program code that analyzes semantics of personal media having various forms based on a plurality of modalities, and divides the personal media into media fragments which are smallest units having semantics;
semantic-based intelligent retriever program code that stores and retrieves the divided media fragments by considering the semantics;
personal media recommender program code that learns and analyzes a profile of a user through modeling the user, and selects and recommends a plurality of media fragments wanted by the user among the media fragments retrieved by the semantic-based intelligent retriever; and
personal media creator program code that creates new personal media using the plurality of media fragments recommended by the personal media recommender according to a scenario input by the user,
wherein the personal media recommender program code further comprises program code that generates a preference model by considering relational features of media, a situation, space and time, an individual, and social network service and that performs media preference learning by multidimensionally analyzing multiple association rules and association intensities through an analysis of correlations between preferences based on the generated preference model.

US Pat. No. 10,333,594

METHOD OF TRANSMITTING DISCOVERY SIGNAL AND RADIO LINK SETUP METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...

1. A radio link setup method performed by a first communication node constituting a wireless communication network, the method comprising:transmitting a first master discovery signal including a first sector identifier and a first beam index of the first communication node to a second communication node by using a master sector among a plurality of sectors of the first communication node;
receiving a first slave discovery signal including a second sector identifier and a second beam index of the second communication node receiving the first master discovery signal;
in response to the first slave discovery signal, transmitting a feedback message including the second sector identifier and the second beam index to the second communication node; and
determining a beam for transmission and reception with the second communication node based on the first sector identifier, the first beam index, the second sector identifier, and the second beam index.

US Pat. No. 10,334,712

RADIOGRAPHY APPARATUS

ELECTRONICS AND TELECOMMU...

1. A radiography apparatus comprising:an X-ray source configured to irradiate a subject with radiation; and
a sensing module configured to sense the radiation having passed through the subject,
wherein the X-ray source comprises:
a cathode electrode comprising an electric field emitting source configured to emit electrons;
an anode electrode disposed opposite to the cathode electrode and configured to use the electrons to generate the radiation; and
a current control unit connected to the cathode electrode to control an amount of the electrons,
wherein the current control unit comprises:
a switching transistor of which a first electrode is connected to the cathode electrode, a second electrode is connected to a ground power source, and a gate electrode receives a switching voltage; and
a pull-up voltage source connected to the cathode electrode through a serially connected pull-up resistor to control an amount of the electrons.

US Pat. No. 10,310,817

APPARATUS AND METHOD FOR MODULAR MULTIPLICATION

ELECTRONICS AND TELECOMMU...

1. An apparatus for modular multiplication, comprising:a first operation unit for performing a first operation based on a structure of at least one of a serial multiplier, which scans all partial products, and a serial squarer-based multiplier, which calculates a difference between a square of a sum of input values and a square of a difference of the input values;
a second operation unit for performing a second operation based on a structure of at least one of the serial multiplier and the serial squarer-based multiplier; and
an adder unit for outputting a result of adding a result of the first operation and a result of the second operation, feeding an intermediate value stream back to the first operation unit, which calculates a product of the intermediate value stream and a zeta parameter, and outputting a High-Order Term as a result of Montgomery modular multiplication,
wherein the first operation unit and the second operation unit are configured to have a systolic structure, to respectively output the result of the first operation and the result of the second operation in digit-serial format, and to output the result of the first operation and the result of the second operation in order from a least significant digit to a most significant digit.

US Pat. No. 10,255,367

VESSEL TRAFFIC SERVICE SYSTEM AND METHOD FOR EXTRACTING ACCIDENT DATA

Electronics and Telecommu...

1. A vessel traffic service system comprising:an input unit receiving conditional information when a marine accident occurs from a user, and searching and extracting accident candidate data from the conditional information;
a storage unit storing at least one of an automatic identification system (AIS) signal, a radar signal, and a camera image signal; and
a control unit extracting an event occurrence part from at least one of the AIS signal, the radar signal, and the camera image signal of a point and a time at which an accident occurs in accordance with the conditional information to generate an accident candidate list,
wherein the conditional information includes information of a concerned area which is an accident occurrence point, a concerned time range which is an accident occurrence time range, and equipment to be searched that includes AIS, radar and camera systems, and
wherein in the receiving of data corresponding to the conditional information, a coordinate value is calculated for each of the equipment to be searched with respect to the concerned area.

US Pat. No. 10,283,311

X-RAY SOURCE

ELECTRONICS AND TELECOMMU...

1. An X-ray source, comprising:a cathode;
an anode positioned to face the cathode;
emitters formed on the cathode;
a gate electrode positioned between the cathode and the anode and including openings at positions corresponding to those of the emitters;
an insulating spacer formed between the gate and the anode; and
a coating layer formed on an internal wall of the insulating spacer, and including a material having a lower secondary electron emission coefficient than that of the insulating spacer,
wherein the coating layer is only present on portions of the internal wall that are closer to the cathode, and exposed portions of the internal wall that are closer to the anode are free from the coating layer.

US Pat. No. 10,218,972

APPARATUS FOR ENCODING AND DECODING IMAGE BY SKIP ENCODING AND METHOD FOR SAME

Electronics and Telecommu...

1. An image decoding method performed by a decoding apparatus, comprising:determining whether to perform filtering on signals to be used in generating intra prediction signals of decoding object signals, the signals being reconstructed earlier than the decoding object signals, the signals being adjacent to the decoding object signals;
determining a strength of a filter used in the filtering based on a flag transmitted from an encoding apparatus in response to the determination that the filtering is performed;
performing the filtering on the signals based on the determined strength of the filter; and
generating the intra prediction signals of the decoding object signals using the filtered signals,
wherein the determination of whether to perform the filtering is based on a block size of the decoding object signals and an intra prediction mode of the decoding object signals.

US Pat. No. 10,194,282

SIGNAL MULTIPLEXING DEVICE AND SIGNAL MULTIPLEXING METHOD USING LAYERED DIVISION MULTIPLEXING

ELECTRONICS AND TELECOMMU...

1. A signal multiplexing apparatus, comprising:an injection level controller configured to generate a power-reduced enhanced layer signal by reducing power of an enhanced layer signal;
a combiner configured to generate a multiplexed signal by combining a core layer signal and the power-reduced enhanced layer signal;
a power normalizer configured to reduce power of the multiplexed signal to a power level corresponding to the core layer signal;
a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal, after combining the core layer signal and the power-reduced enhanced layer signal; and
a frame builder configured to generate a broadcast signal frame using the time-interleaved signal and Layer 1 signaling information,
wherein the Layer 1 signaling information includes injection level information of the injection level controller, the injection level information corresponds to a scaling factor of the injection level controller, and the scaling factor corresponds to a reduction in power of the enhanced layer signal, and
wherein the time interleaver is shared for both the core layer signal and the enhanced layer signal.

US Pat. No. 10,193,654

FRAME TRANSMISSION METHOD AND WIRELESS COMMUNICATION APPARATUS PERFORMING THE SAME

ELECTRONICS AND TELECOMMU...

1. A frame transmission method performed by a first wireless communication apparatus, the method comprising:receiving subframe unit length information of a second wireless communication apparatus from the second wireless communication apparatus;
determining a subframe unit length of the first wireless communication apparatus based on the received subframe unit length information;
generating a plurality of subframes based on the determined subframe unit length; and
transmitting a frame in which the generated subframes are aggregated to the second wireless communication apparatus,
wherein, when at least one of the subframes includes a padding, a length of the padding allows a length of the at least one of the subframes including the padding to be a multiple of a natural number of the determined subframe unit length, and
wherein the determined subframe unit length is a greatest subframe unit length among subframe unit lengths supported by both the first wireless communication apparatus and the second wireless communication apparatus.

US Pat. No. 10,191,909

FILE SYSTEM CREATING AND DELETING APPARATUS AND DRIVING METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A filing system creating and deleting apparatus, comprising:an available inode pool in which inodes are to be stored;
a file system object creating processor creating an inode allocating request signal in response to a file system creating request from an external resource;
an inode allocating processor allocating at least one of inodes stored in the available inode pool in response to the inode allocating request signal;
a file system object deleting processor creating an inode deallocating request signal in response to a file system deleting request from the external resource;
an inode deleting thread collecting inodes requested to be deleted corresponding to the file system deleting request; and
an inode deallocating processor deallocating the inode requested to be deleted from the inode deleting thread,
wherein a number of inodes stored in the available inode pool is limited to no more than a maximum inode number in the available inode pool, and the inode requested to be deleted creates and deletes a file system stored in the available inode pool when the number of inodes stored in the available inode pool is smaller than the maximum inode number in the available inode pool,
wherein a deleting inode list is stored in the inode deleting thread and the deleting inode list includes a deleting inode head and at least one deleting inode entry, and
the inode requested to be deleted is stored in the deleting inode entry when the number of inodes stored in the available inode pool is the maximum inode number in the available inode pool.

US Pat. No. 10,191,151

SYSTEM AND METHOD FOR MONITORING VESSEL TRAFFIC INFORMATION

ELECTRONICS AND TELECOMMU...

1. A system for monitoring vessel traffic information, the system comprising at least one processor configured to implement:an interlock device configured to adjust identification information of a wireless terminal included in a received message to correspond to an identification system of an auto identification system (AIS) message and convert the received message into an AIS message type, when receiving a message including ship information from a wireless terminal of a ship located in at least one ship network;
a merging device configured to merge the ship information included in the converted AIS message with radar image information; and
a monitoring device configured to display merged monitoring information on a monitoring screen.

US Pat. No. 10,191,450

METHOD AND APPARATUS FOR GENERATING BINARY HOLOGRAM

ELECTRONICS AND TELECOMMU...

1. A method of generating a binary hologram, the method comprising:receiving data information used to construct a target object in a three-dimensional (3D) shape to be reproduced as a hologram;
generating a silhouette mask of the target object based on the data information;
generating a hologram having a complex value or a real number value in association with the target object based on the data information; and
binarizing the hologram by:
performing a first quantization process of allocating 0 or 1 to each pixel that constitutes a plane of the hologram;
applying the silhouette mask to the hologram quantized to 0 or 1; and
performing a second quantization process based on a distance between the silhouette mask applied to the quantized hologram and each pixel of the plane that is outside the silhouette mask, and
displaying the hologram on a spatial light modulator (SLM).

US Pat. No. 10,187,691

METHOD AND SYSTEM FOR PROVIDING VIDEO

ELECTRONICS AND TELECOMMU...

1. A video providing system comprising:a memory configured to store device information of a display device;
an analyzer configured to receive an original video from outside and analyze images in the original video; and
a processor configured to generate, from the original video, video streams according to a streaming mode and control signals of the display device respectively corresponding to the video streams, based on device information of a display device and analysis information from the analyzer, and provide the video streams and the control signals to the display device;
wherein the processor determines a distortion ratio of the images according to a power reduction ratio of the display device, and determines a voltage for driving each of the images based on the power reduction ratio, the distortion ratio, and the device information.

US Pat. No. 10,187,701

BROADCAST SIGNAL FRAME GENERATION DEVICE AND BROADCAST SIGNAL FRAME GENERATION METHOD USING BOOTSTRAP INCLUDING SYMBOL FOR SIGNALING BICM MODE OF PREAMBLE AND OFDM PARAMETER TOGETHER

Electronics and Telecommu...

1. An apparatus for generating broadcast signal frame, comprising:a time interleaver configured to generate a time-interleaved signal by performing interleaving on a BICM output signal; and
a frame builder configured to generate a broadcast signal frame including a bootstrap and a preamble using the time-interleaved signal,
wherein the bootstrap includes a symbol for signaling a BICM mode and OFDM parameters of L1-Basic of the preamble, together.

US Pat. No. 10,178,393

IMAGE ENCODER AND DECODER USING UNIDIRECTIONAL PREDICTION

ELECTRONICS AND TELECOMMU...

1. An image decoding apparatus, comprising an intra-prediction unit configured to perform intra prediction on a first block, perform intra prediction on a second block adjacent to a right side of the first block, perform intra prediction on a third block adjacent to a bottom of the first block, and perform intra prediction on a fourth block adjacent to a right bottom of the first block,wherein the first block, the second block, the third block, and the fourth block are predicted in one intra prediction mode,
wherein the first block, the second block, the third block, and the fourth block form a prediction block predicted in one intra prediction mode,
wherein the first block, the second block, the third block, and the fourth block are transform blocks on which intra prediction is performed, and
wherein intra prediction mode information on the first block, the second block, the third block, and the fourth block is decoded once.

US Pat. No. 10,178,672

METHOD AND APPARATUS FOR ALLOCATING RESOURCE FOR CONTROL CHANNEL IN MULTI-BEAM ENVIRONMENT, AND METHOD AND APPARATUS FOR TRANSMITTING CONTROL CHANNEL IN MULTI-BEAM ENVIRONMENT

ELECTRONICS AND TELECOMMU...

1. A method for transmitting, by a base station, a first control channel for a first terminal that receives a first beam as main beam and a second beam adjacent to the first beam as an interference beam, the method comprising:allocating at least one control channel element (CCE) to the first control channel earlier than allocating to the rest control channels other than the first control channel among a plurality of control channels corresponding to the first beam, when CCEs are allocated to the plurality of control channels corresponding to the first beam; and
allocating at least one CCE to the first control channel earlier than allocating to the rest control channels other than the first control channel among a plurality of control channels corresponding to the second beam, when CCEs are allocated to the plurality of control channels corresponding to the second beam.

US Pat. No. 10,164,740

SIGNAL MULTIPLEXING APPARATUS USING LAYERED DIVISION MULTIPLEXING AND SIGNAL MULTIPLEXING METHOD

ELECTRONICS AND TELECOMMU...

1. A signal multiplexing apparatus, comprising:a combiner configured to combine a core layer signal and an enhanced layer signal at different power levels to generate a multiplexed signal;
a power normalizer configured to reduce power of the multiplexed signal to power corresponding to the core layer signal; and
a time interleaver configured to perform time-interleaving applied to both the core layer signal and the enhanced layer signal after the core layer signal and the enhanced layer signal are combined and power-normalized,
wherein the time interleaver is shared for both the core layer signal and the enhanced layer signal,
wherein the combiner combines the core layer signal and the enhanced layer signal after performing a core layer Bit-Interleaved Coded Modulation (BICM) for the core layer signal and an enhanced layer BICM for the enhanced layer signal and before performing the time-interleaving, and
wherein the multiplexed signal corresponds to a combination of the core layer signal and a power reduced enhanced layer signal, the power reduced enhanced layer signal being generated by reducing the power of the enhanced layer signal based on a scaling factor.

US Pat. No. 10,162,953

USER CLASSIFICATION APPARATUS AND METHOD USING KEYSTROKE PATTERN BASED ON USER POSTURE

ELECTRONICS AND TELECOMMU...

4. A keystroke pattern training method comprising:receiving keystroke data from a user when the user performs authentication of an application included in a mobile device;
extracting feature information including data for a posture performed by the user when the user performs keystroke and data for a keystroke pattern using the received keystroke data;
classifying the posture of the user by comparing the feature information to posture feature information, the posture feature information having been generated based on postures performed by general users, the postures including a walking posture, a sitting posture, and a lying-down posture; and
training the keystroke pattern for the classified posture of the user using the feature information.

US Pat. No. 10,146,071

OPTICAL TRANSMITTER MODULE

ELECTRONICS AND TELECOMMU...

1. An optical transmitter module comprising:a substrate;
a ground layer disposed on the substrate;
an electro-absorption modulated laser (EML) chip disposed on the ground layer to generate an optical signal;
a ground structure disposed on the EML chip and electrically connected to the ground layer;
a matching resistor disposed on the ground structure; and
a first bonding wire disposed between the EML chip and the matching resistor to electrically connect the EML chip to the matching resistor,
wherein the ground structure comprises:
a ground plate spaced apart from the EML chip and including a metal; and
a pair of supports disposed between the ground plate and the ground layer and being in direct contact with the ground layer.

US Pat. No. 10,134,992

METHOD FOR MANUFACTURING ELECTRONIC ELEMENT INCLUDING TRANSPARENT CONDUCTIVE STRUCTURE

ELECTRONICS AND TELECOMMU...

1. A method for manufacturing an electronic device including a transparent conductive structure, the method comprising:preparing a transparent electrode including a first region and a second region, the first region being selectively surface-modified;
preparing a mixed composition including a first composition and a second composition having a different polarity from the first composition, the first composition including a conductive material, the second composition including an insulating material; and
applying the mixed composition onto the transparent electrode,
wherein the applied mixed composition is disposed in the surface modified first region,
wherein the mixed composition disposed in the first region is phase-separated into a first composition layer and a second composition layer disposed on a top surface of the first composition layer, the first composition layer being a conductive layer and the second composition layer being an insulating layer, and
wherein when the mixed composition is phase-separated, the second composition layer is formed so as to be disposed on the first composition layer based on the mixed composition interacting with the selectively surface-modified transparent electrode.

US Pat. No. 10,136,287

METHOD AND APPARATUS FOR CLOSE PROXIMITY COMMUNICATIONS

ELECTRONICS AND TELECOMMU...

1. A close-proximity communication method performed by a transmitter, the method comprising:generating a physical layer (PHY) frame comprising a preamble, a frame header, and a payload field; and
transmitting the generated PHY frame to a receiver,
wherein the preamble comprises a frame synchronization (SYNC) field, a start frame delimiter (SFD) field and a channel estimation sequence (CES) field, and
wherein when channel bonding is used, the SYNC field, the SFD field and the CES field are repeated in the preamble by a number of bonded channels.

US Pat. No. 10,135,578

METHOD OF RE-TRANSMITTING DATA AND ELECTRONIC DEVICE THEREFOR

ELECTRONICS AND TELECOMMU...

1. A first electronic device comprising:a transmitter transmitting first data to a second electronic device;
a receiver receiving a first feed-back for the first data from the second electronic device; and
a processor deciding whether to transmit the first data again or other data to the second electronic device, based on the first feed-back, wherein
when the first feed-back is a negative feed-back,
the transmitter retransmits the first data under a predetermined condition, and
the receiver receives a second feed-back with respect to the retransmitted first data from the second electronic device, and
when the second feed-back is the negative feed-back as many as a maximum number of retransmission times,
the processor identifies at least one radio link control (RLC) protocol data unit (PDU) which is required to be automatic repeat request (ARQ)-retransmitted among RLC PDUs included in the first data based on the second feed-back, and generates a medium access control (MAC) PDU including the identified at least one RLC PDU, and
the transmitter re-retransmits new data including the generated MAC PDU to the second electronic device.

US Pat. No. 10,136,348

METHOD AND APPARATUS FOR PERFORMING WIRELESS COMMUNICATION BASED ON HETEROGENEOUS INTERFERENCE ALIGNMENT (IA) SCHEME IN WIRELESS LOCAL AREA NETWORK (WLAN)

ELECTRONICS AND TELECOMMU...

1. A method for downlink multi-user multiple-input multiple-output (MU-MIMO) communication in a wireless local area network (WLAN) performed by a communication apparatus, the method comprising:measuring characteristics of an environment of a wireless network formed based on the communication apparatus, the characteristics including a Signal to Noise Ratio (SNR) value;
determining a predicted opportunistic interference alignment (OIA) throughput of an OIA scheme using a frame period and a sum-rate based on the measured characteristics;
determining a predicted iterative IA throughput of an iterative IA scheme using a frame period and a sum-rate based on the measured characteristics;
comparing the predicted OIA throughput to the predicted iterative IA throughput;
when the predicted OIA throughput is greater than the predicted iterative IA throughput, selecting the OIA throughput as an IA scheme;
when the predicted iterative IA throughput is greater than the predicted OIA throughput, selecting the IA throughput as an IA scheme;
when the predicted OIA throughput is equal to the predicted iterative IA throughput, selecting the OIA throughput or the iterative IA throughput as an IA scheme, and
performing wireless communication with a user terminal in the WLAN using the selected IA scheme with the greater predicted throughput.

US Pat. No. 10,136,157

INTER PREDICTION METHOD AND APPARATUS FOR SAME

ELECTRONICS AND TELECOMMU...

1. A method for decoding a video signal with an image decoding apparatus, comprising:determining a collocated block comprised in a collocated picture,
wherein the collocated picture is a reference picture having the collocated block among reference pictures included in a reference picture list, and
wherein the collocated block is determined to be either a first block adjacent to a right-bottom position of a current block or a second block comprising a center position of the current block;
obtaining a temporal merge candidate of the current block based on the collocated block,
wherein motion information of the temporal merge candidate comprises a motion vector and a reference picture index, and
wherein the motion vector of the temporal merge candidate is derived from a motion vector of the collocated block within the collocated picture, and the reference picture index of the temporal merge candidate is set equal to 0 regardless of motion information of a reconstructed neighboring block adjacent to the current block;
generating a merge candidate list comprising the temporal merge candidate;
determining a merge candidate for the current block based on the merge candidate list and a merge candidate index, the merge candidate index specifying one of the merge candidates in the merge candidate list;
deriving motion information of the current block from motion information of the determined merge candidate;
generating a prediction block corresponding to the current block based on the derived motion information;
obtaining a residual block corresponding to the current block; and
generating a reconstructed block corresponding to the current block based on the residual block and the prediction block.

US Pat. No. 10,129,146

METHODS AND APPARATUS FOR PROVIDING MOBILITY IN ETHERNET NETWORK

ELECTRONICS AND TELECOMMU...

1. A mobility method of an Ethernet switch, the mobility method comprising:receiving an Ethernet frame through a port of the Ethernet switch;
transmitting the Ethernet frame to an upper Ethernet switch through a root port of the Ethernet switch based on whether a forwarding information for a destination address of the Ethernet frame exists in a forwarding table;
receiving a path-setup control signal comprising an Ethernet address of a mobile node and an Ethernet address of an access point which generates the path-setup control signal;
recording the Ethernet address of the mobile node in the forwarding table and a port through which the path-setup control signal is received, as a forwarding port of an Ethernet frame whose destination address is the Ethernet address of the mobile node; and
transmitting the path-setup control signal to the upper Ethernet switch through the root port.

US Pat. No. 10,127,098

APPARATUS AND METHOD FOR RECOVERING FUNCTIONALITY OF CENTRAL PROCESSING UNIT CORE

ELECTRONICS AND TELECOMMU...

1. An apparatus for recovering functionality of a central processing unit (CPU) core, comprising:a functionality recovery buffer configured to temporarily store a value, to be stored in a register storage unit, in response to a write operation;
a functionality recovery module unit configured to perform recovery of functionality by controlling the functionality recovery buffer when receiving a detect signal, the detect signal indicating that a failure has been detected, from an outside, wherein the functionality recovery buffer comprises a plurality of functionality recovery buffer elements that are connected in series, wherein the plurality of functionality recovery buffer elements operates according to a First-In, First-Out (FIFO) method in response to the write operation; and
a register reading module unit configured to receive respective outputs of the plurality of functionality recovery buffer elements and to receive respective outputs of register elements within the register storage unit, and to select a value, to be read, from the received outputs.

US Pat. No. 10,124,340

REAGENT STORAGE DEVICE AND BIO-REACTION APPARATUS INCLUDING THE SAME

Electronics and Telecommu...

1. A reagent storage device connected to a biochip to provide reagents into the biochip, the reagent storage device comprising:a storage container having a tube shape of which one end is opened and configured to receive an end of the biochip, and the other end opposite to the one end is closed and fixed so as not to move; and
a plurality of diaphragms provided in the storage container and installed to be closely attached to an inner wall of the storage container,
wherein the diaphragms are spaced apart from each other in one direction in which the one end and the other end are disposed opposite to each other, and each of the diaphragms comprises a through-hole passing therethrough,
wherein a first diaphragm closest to the opened one end of the storage container is configured to receive an external force applied by the biochip, and
wherein the reagents are provided into the biochip in a direction opposite to a direction in which the external force is applied to the first diaphragm from the biochip, and
wherein as the reagents are provided into the biochip an amount of moving diaphragms increases.

US Pat. No. 10,116,331

DATA TRANSMITTING AND RECEIVING APPARATUS HAVING IMPROVED LOW-DENSITY PARITY-CHECK (LDPC) ENCODING, DECODING AND TRANSMISSION RATE

Electronics and Telecommu...

1. A data transmitting apparatus, comprising:a low-density parity-check (LDPC) encoder configured to perform, on data to be transmitted by a faster-than-Nyquist method (FTN), LDPC encoding using a first matrix having a first degree less than a preset reference degree and a second matrix of a single diagonal matrix;
a symbol mapper configured to perform symbol mapping on information bits and a parity bits of data LDPC encoded, independently, by performing interleaving on the information bits and the parity bits using different interleavers and applying differential encoding to a part of codeword of information and a codeword of the parity bits; and
an accelerator configured to accelerate an output signal from the different interleavers by a transmission rate based on the FTN method,
wherein each degree is a value based on the number of 1's elements of a matrix, and
wherein the preset reference degree is according to degree distribution of each LDPC code rate defined in DVB-S2 standard.

US Pat. No. 10,116,946

IMAGE ENCODING/DECODING METHOD AND DEVICE

ELECTRONICS AND TELECOMMU...

1. A method for picture decoding supporting layers, the method comprising:receiving a bitstream comprising the layers;
acquiring information on a maximum number of sub-layers for each of the layers by decoding the bitstream; and
acquiring a residual block of a current block by decoding the bitstream,
wherein the information on the maximum number of sub-layers is included in video parameter set extension information and signaled, and
wherein a video parameter set comprises information on a maximum number of sub-layers, and
in response to the video parameter set extension information not comprising the information on a maximum number of sub-layers for a layer among the layers, the maximum number of sub-layers for the layer is derived based on the information included in the video parameter set.

US Pat. No. 10,084,615

HANDOVER METHOD AND CONTROL TRANSFER METHOD

Electronics and Telecommu...

1. A handover method of performing an inter-cell handover between a first ground station and a second ground station in a communication system where channels are dynamically assigned and managed, the handover method comprising:setting an unmanned aerial vehicle (UAV) communication channel to the first ground station and an airborne radio station for a radio link connection;
setting a handover channel to the second ground station and the airborne radio station;
measuring, by the airborne radio station, a signal quality of the UAV communication channel and reporting a measurement result to the first ground station;
sending, by the first ground station, a handover request to at least one of a ground control station (GCS) or a control and non-payload communication (CNPC) network;
determining, by the at least one of the GCS or the CNPC network, whether to perform a handover based on the measurement result; and
transmitting, by the at least one of the GCS or the CNPC network, a handover instruction to the airborne radio station based on a result of the determining whether to perform a handover,
wherein the airborne radio station uses a measurement signal, transmitted by the at least one of the GCS or the CNPC network to the airborne radio station through the second ground station, for measuring the handover channel, and
wherein the transmission of the measurement signal is requested by at least one of the airborne radio station or the second ground station.

US Pat. No. 10,056,689

ELECTRONICALLY STEERABLE PARASITIC RADIATOR ANTENNA AND BEAM FORMING APPARATUS

Electronics and Telecommu...

1. An ESPAR antenna comprising:an active patch radiator disposed at the center of one surface of a substrate to radiate a beam corresponding to a signal applied through a feeding line;
a plurality of parasitic patch elements disposed to have a predetermined angle in different directions, respectively, based on a central position of the active patch radiator to derive the beam radiated by the active patch radiator in a predetermined direction; and
a reactance element disposed between the active patch radiator and the plurality of parasitic patch elements to determine a direction of the beam radiated by the active patch radiator,
wherein the plurality of parasitic patch elements is disposed to be inserted in a central direction of the active patch radiator from the outside of the active patch radiator.

US Pat. No. 10,045,162

DEVICE AND METHOD FOR TRANSMITTING AND RECEIVING MEDIA SERVICE IN HYBRID NETWORK

Electronics and Telecommu...

1. A device for transmitting a media service in a hybrid network, which is a combination of a broadcasting network and a communication network, comprising:a streaming server for generating media segments including media data and a metadata file including temporal order information and downloading and reproduction information of the media segments corresponding to a plurality of profiles;
a streaming client for selecting a profile according to a transmission bit ratio appropriate for a broadcasting resource allocation state of the broadcasting network, requesting a media segment with quality that is suitable for the broadcasting resource allocation state from the streaming server, and downloading the same;
a multiplexer for monitoring the resource allocation state of the broadcasting network, determining the quality and transmission bit ratio appropriate for the broadcasting resource allocation state, and multiplexing part of information of the metadata file on the profile selected from among the media segment and the metadata file of the plurality of profiles to generate a baseband frame; and
a transmitter for converting the baseband frame into a broadcasting signal and transmitting the same through a broadcasting network.

US Pat. No. 10,025,096

APPARATUS AND METHOD FOR TRANSFORMING AUGMENTED REALITY INFORMATION OF HEAD-UP DISPLAY FOR VEHICLE

Electronics and Telecommu...

1. An apparatus for transforming augmented reality information of a head-up display (HUD) for a vehicle, comprising:a first projection transforming formula generation unit configured to extract a conjugate point by performing feature point matching on a first feature point of a forward recognition image of the vehicle input from a forward recognition camera and a second feature point of a first driver-based viewpoint image input from a driver-based viewpoint camera whose installation position is different from that of the forward recognition camera, and generate a first projection transforming formula by extracting the conjugate point;
a second projection transforming formula generation unit configured to generate a second projection transforming formula using a straight-line intersection of a second driver-based viewpoint image, which is extracted from the second driver-based viewpoint image input from the driver-based viewpoint camera, and HUD coordinates pre-defined on the HID; and
an augmented reality information transformation unit configured to sequentially apply the generated first and second projection transforming formulas to recognition coordinates of a forward object, which is recognized from the first forward recognition image, to calculate primary and secondary transformation coordinates, and render the secondary transformation coordinates on the HUD.

US Pat. No. 10,008,214

USAC AUDIO SIGNAL ENCODING/DECODING APPARATUS AND METHOD FOR DIGITAL RADIO SERVICES

ELECTRONICS AND TELECOMMU...

1. An audio signal encoding method performed by at least processor comprising:wherein the processor configured to:
receive an audio signal;
determine a coding method for the received audio signal for each audio superframe of the audio signal; and
encode the audio signal based on the determined coding method for the each audio superframe,
wherein the coding method comprises a first coding method associated with USAC (Unified Speech Audio Coding) and a second coding method associated with existing advanced audio coding (AAC), and
when the coding method is determined as first encoding method, wherein the processor configured to:
perform MPS212 encoding, a tool for the MPS encoding, on the received audio signal;
perform enhanced spectral band replication (eSBR) on an audio signal output from the performing of the MPS212 encoding; and
performing core encoding on an audio signal output from the performing of the eSBR,
when the coding method is determined as second encoding method, wherein the processor configured to:
perform parametric stereo (PS) and spectral band replication (SBR) on the received audio signal; and
performing encoding on an audio signal output from the performing of the PS and SBR using the second coding method.

US Pat. No. 10,009,546

OPTICAL IMAGING DEVICE

ELECTRONICS AND TELECOMMU...

1. An optical imaging device comprising:a flexible image sensor;
an actuator that two-dimensionally expands or contracts the flexible image sensor in a plane parallel to a top surface of the flexible image sensor; and
a support that fixes an end of the actuator,
wherein the actuator is coupled to at least one edge of the flexible image sensor,
wherein the actuator two-dimensionally contracts the flexible image sensor as a length from the support to the edge of the flexible image sensor is increased, and
wherein the actuator two-dimensionally expands the flexible image sensor as the length from the support to the edge of the flexible image sensor is reduced.

US Pat. No. 10,006,771

METHOD AND DEVICE FOR CONVERTING SHIP INFORMATION

ELECTRONICS AND TELECOMMU...

1. A ship information conversion method comprising:(A) receiving an international electrotechnical commission (IEC) 61162-based sentence prescribed by IEC;
(B) analyzing an address field and a data field of the IEC 61162-based sentence; and
(C) extracting an information type object, an attribute type, a data type object, and an enumerated data type object from the IEC 61162-based sentence and converting the IEC 61162-based sentence into a common maritime data structure (CMDS) by using a result of the analysis which is performed in step (B), the CMDS including the extracted information type object, attribute type, data type object, and enumerated data type object.

US Pat. No. 10,003,820

IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR SAME

ELECTRONICS AND TELECOMMU...

5. A non-transitory computer-readable storage medium storing a bitstream, the bitstream comprising:prediction mode information indicating a prediction mode for a current block,
wherein the prediction mode information represents that
a prediction block is generated by performing intra prediction on the current block for a DC mode in a case that the prediction mode information indicates that the prediction mode for the current block is the DC mode, and
prediction values of filtered prediction pixels of the prediction block are generated using a filter for the DC mode during the intra prediction,
wherein the filtered prediction pixels are one or more pixels located in a vertical pixel line at a leftmost side of the prediction block and one or more pixels located in a horizontal pixel line at an uppermost side of the prediction block,
a prediction value of a leftmost and uppermost filtered prediction pixel among the filtered prediction pixels is generated using a 3-tap filter based on a value derived by the DC mode,
wherein the filter has a predetermined fixed filter shape, a filter tap and filter coefficients regardless of a size of the current block, and
wherein in the 3-tap filter, a filter coefficient allocated to a filter tap corresponding to the value derived by the DC mode is 2/4, a filter coefficient allocated to a filter tap corresponding to an upper reference pixel is ¼, and a filter coefficient allocated to a filter tap corresponding to a eft reference pixel is ¼.

US Pat. No. 9,974,056

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING INFORMATION IN WIRELESS DISTRIBUTED SYSTEM

ELECTRONICS AND TELECOMMU...

1. A method for a transmitter to transmit control information, the method comprising:determining a first value to be transmitted among values of the control information;
determining a first codeword corresponding to the first value among a plurality of codewords;
determining a plurality of first subcarriers corresponding to a plurality of elements belonging to the first codeword; and
allocating busy tones to the plurality of first subcarriers,
wherein each of the plurality of first subcarriers belongs to each of a plurality of subcarrier groups.

US Pat. No. 9,972,091

SYSTEM AND METHOD FOR DETECTING OBJECT FROM DEPTH IMAGE

ELECTRONICS AND TELECOMMU...

1. A system for detecting an object from a depth image, the system comprising:a communication module;
a memory configured to store an object detection program; and
a processor configured to execute the object detection program,
wherein
by executing the object detection program, the processor extracts a first object area and a second object area from the depth image, based on a floor plane and an outer plane which is set with respect to the floor plane,
the processor extracts a target area including pixels of the second object area which are spaced apart from the first object area by a predetermined interval,
the processor samples a pixel, which is included in the second object area but is not included in the target area, to extract a floor area from the second object area, calculates distances between the plane extracted from the floor area and pixels having a same direction as a direction of the first object area, calculates a boundary value between the object and a floor based on the calculated distances, and extracts a foreground pixel from the target area, based on the calculated boundary value, and
the second object area comprises the object and the floor and is disposed under the first object area.

US Pat. No. 9,973,740

METHOD AND APPARATUS FOR ENCODING THREE-DIMENSIONAL (3D) CONTENT

Electronics and Telecommu...

1. A method of encoding three-dimensional (3D) content, the method comprising:setting a dependency between texture information and depth information of the 3D content;
setting at least one representation for a texture information and depth information of each view;
setting an identifier parameter indicating information comprised in the representation; and
generating a bitstream comprising the dependency.

US Pat. No. 9,965,353

DISTRIBUTED FILE SYSTEM BASED ON TORUS NETWORK

ELECTRONICS AND TELECOMMU...

12. A method, comprising:selecting, by a metadata server, a plurality of candidate nodes among a plurality of nodes in a torus network;
selecting, as a center node from among the candidate nodes by the metadata server, a node corresponding to a smallest number of hops between the plurality of candidate nodes;
selecting, by the metadata server, one or more storage nodes among the plurality of candidate nodes;
receiving, by the center node, data from a client;
generating, by the center node, a plurality of blocks by encoding the data, the blocks including data blocks, parity blocks, or both; and
storing the blocks in the one or more storage nodes.

US Pat. No. 9,958,744

DISPLAY PANEL AND DISPLAY DEVICE INCLUDING THE SAME

ELECTRONICS AND TELECOMMU...

1. A display panel comprising:a substrate comprising a pixel area and a pad area; and
a first conductive line and a second conductive line stacked on the substrate, wherein the first conductive line comprises a first part disposed on the pixel area and a second part disposed on the pad area and the second conductive line comprises a first part disposed on the pixel area and a second part disposed on the pad area,
wherein the first part of the first conductive line and the first part of the second conductive line are parallel to each other; and
the second part of the first conductive line and the second part of the second conductive line are overlapped vertically.

US Pat. No. 9,954,401

METHOD AND APPARATUS FOR WIRELESS POWER TRANSMISSION

Electronics and Telecommu...

1. A wireless power transmitting apparatus between a wheel and a tire of a vehicle, the wireless power transmitting apparatus comprising:an electric generatorelectric generator that converts rotational energy of an axle to electrical energy; and
a wireless transmitting unit that wirelessly transmits the electrical energy to the sensor in order to use it as a driving power source of a sensor that detects a state of the tire,
wherein the electric generator comprises a power transfer connection pin that connects the inside of the wheel and the outside of the wheel and that transfers the electrical energy to the wireless transmitting unit.

US Pat. No. 9,955,217

IP ADDRESS ACQUISITION METHOD FOR CONTROLLING STANDBY MODE OF SET-TOP BOX, AND SET-TOP BOX AND POWER MANAGEMENT SERVER PERFORMING THE METHOD

ELECTRONICS AND TELECOMMU...

1. A method of acquiring an Internet protocol (IP) address of a set-top box performed by a power management server, the method comprising:determining whether a state of a set-top box changes from a broadcasting state in which a broadcasting service is provided to a passive standby state in which a network connection between the set-top box and a headend providing the broadcasting service is blocked;
receiving, from the set-top box, state information associated with an IP address allocated to the set-top box for the network connection in response to the state of the set-top box changing to the passive standby state;
reducing a power consumption of the set-top box in response to the state of the set-top box changing to the passive standby state;
transmitting, to the set-top box, a state change command to maintain the network connection for the IP address allocated to the set-top box based on the received state information;
transmitting, through a separate microcontroller processor of the set-top box, a state change command in response to a state maintenance time of routing information of the set-top box being exceeded; and
broadcasting a video content to the set-top box.

US Pat. No. 9,947,291

SYSTEM AND METHOD FOR MULTI-COMPUTER CONTROL

ELECTRONICS AND TELECOMMU...

1. A system for multi-computer control, comprising:a user process terminal; and
an integrated process server configured to receive, from computer terminals, display information comprising video data and terminal identification information through a physical layer transceiver, multiplex and serialize the received display information, transmit the multiplexed and serialized display information to the user process terminal, and transmit a received user input signal to a corresponding computer terminal among the computer terminals,
wherein the user process terminal is configured to
display, on a display device, the display information along with a multi-control interface, and transmit the user input signal to the integrated process server along with corresponding terminal identification information, wherein the display information is received from the integrated process server, and the user input signal is received from an input device, and
in response to an activation signal being received through the multi-control interface, transmit a hot plug signal of the corresponding computer terminal which corresponds to the received activation signal to the integrated process server,
wherein the integrated process server is further configured to transmit the received hot plug signal to the corresponding computer terminal, and to receive a display signal, and
wherein the user process terminal is further configured to simultaneously activate execution screens of two or more of the computer terminals, and to display the activated execution screens on the display device through the multi-control interface.

US Pat. No. 9,939,513

APPARATUS AND METHOD FOR FINDING HYBRID DIRECTION USING TWO BASELINES

ELECTRONICS AND TELECOMMU...

1. An apparatus for detecting a hybrid direction, the apparatus comprising:a rotary machine including a rotary shaft;
a log period antenna installed on the rotary shaft;
a first dipole antenna installed on the rotary shaft and including first and second conductors spaced apart from each other;
a second dipole antenna installed on a rotating shaft and including third and fourth conductors spaced apart from each other; and
a phase signal processing apparatus configured to control the rotary machine to rotate the rotating shaft, to approximately determine a direction of a wave signal source based on strength of a signal received via the log period antenna to thereby suspend the rotation, and to determine an angle with respect to the direction of the wave signal source based on a phase difference between signals received via the first dipole antenna and the second dipole antenna in a state in which the rotation of the rotating shaft is suspended,
wherein the determining of the angle with respect to the direction of the wave signal source includes determining, by the phase signal processing apparatus, a first phase difference between the first and fourth conductors and a second phase difference between the second and third conductors.

US Pat. No. 9,927,484

RADIO FREQUENCY PROBE APPARATUS

ELECTRONICS AND TELECOMMU...

1. A radio frequency probe apparatus, comprising:an RF waveguide including a metal substrate, a ground electrode formed on the metal substrate and a signal electrode formed on the metal substrate;
a register connected to the signal electrode;
an RF connector including an outer conductor connected to the ground electrode, an inner conductor connected to the signal electrode, and a dielectric body filling a portion between the outer conductor and the inner conductor; and
a single-tip probe connected to the signal electrode of the RF waveguide, or the register.

US Pat. No. 9,905,987

LASER RADAR SYSTEM

ELECTRONICS AND TELECOMMU...

1. A laser radar system comprising:
a first light source unit including a seed laser diode, a first pump laser diode, a second pump laser diode, and a first optical
amplifier connected with the seed laser diode and the first pump laser diode;

a second light source unit disposed separately from the first light source unit, the second light source unit including a
second optical amplifier configured to amplify a signal output from the first light source unit, and

a transmitter and a receiver separated from each other,
wherein:
the second optical amplifier is connected to the first optical amplifier and the second pump laser diode through an optical
fiber, and

the second light source unit is disposed at an end of the transmitter.

US Pat. No. 9,906,775

DEVICE AND METHOD FOR MULTIVIEW IMAGE CALIBRATION

ELECTRONICS AND TELECOMMU...

1. A multi-view image calibration device comprising:
one or more units being configured and executed by a processor using algorithm associated with least one non-transitory storage
device, the one or more units comprising,

an image input synchronizing unit for synchronizing a multi-image input device which takes pictures of an object at multiple
view points;

an image capturing unit for inputting multi-view images in synchronization from the multi-image input device;
a characteristic point detecting unit for detecting characteristic points of the multi-view images;
a corresponding point set generating unit for selecting corresponding point(s) among the detected characteristic points and
for generating a corresponding point set,

in response to detection of the corresponding point(s) being selected for the every inputted multi-view image, the corresponding
point set generating unit for tracking corresponding point(s) in characteristic point(s) of image of different time point
based on previously selected corresponding point(s),

for determining whether corresponding point(s) tracked is erroneously detected or any missing being made, and
in response to detection of the corresponding point(s) tracked being erroneously detected or any missing is made, the corresponding
point set generating unit for eliminating the corresponding point(s) erroneously detected and adding the corresponding point(s)
missed by interpolation; and

a calibration parameter generating unit for producing calibration parameters of the multi-image input device from the generated
corresponding point set.

US Pat. No. 9,906,276

METHOD AND APPARATUS FOR NEAR FIELD COMMUNICATION

Electronics and Telecommu...

1. A communication method in a short range communication environment, the communication method comprising:
searching for, by a reader, via radio frequency (RF) communications without wireless power transmission, communication with
another party to transmit a communication request signal;

determining, by the reader, whether a response signal corresponding to the communication request signal is received from communication
with another party within a first predetermined time;

performing, by the reader, wireless power transmission when the response signal is not received within the first predetermined
time; and

searching for, by the reader, via RF communications, communication with another party when a second predetermined time has
elapsed after the performing of wireless power transmission by the reader,

wherein the first predetermined time is a time in which a response lapse time that is counted after a frame of the communication
request signal is transmitted and a time corresponding to a frame interval are added.

US Pat. No. 9,904,251

HOLOGRAPHIC DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME

ELECTRONICS AND TELECOMMU...

1. A holographic display apparatus comprising:
a light source unit configured to emit light;
a spatial light modulator comprising a pixel connected to a gate line and a data line, the spatial light modulator modulating
the light emitted from the light source unit to output a hologram image; and

a spatial light modulator control circuit configured to control the spatial light modulator, the spatial light modulator control
circuit comprising:

a data driving circuit configured to provide a data voltage to a signal line;
a demultiplexer circuit comprising a plurality of switching elements connected to the signal line and sequentially turned
on, the demultiplexer circuit transferring the data voltage to a transfer line through a turned-on switching element from
among the plurality of switching elements; and

a first element connected between the transfer line and the data line, the first element passing a current that flows from
the transfer line to the data line when a voltage level of the transfer line is higher than that of the data line, the first
element blocking a current that flows from the data line to the transfer line when a voltage level of the transfer line is
lower than that of the data line.

US Pat. No. 9,906,883

AUDIO ENCODING APPARATUS AND METHOD, AUDIO DECODING APPARATUS AND METHOD, AND AUDIO REPRODUCING APPARATUS

Electronics and Telecommu...

1. An audio decoding apparatus comprising:
a decoding processor that processes computer executable program code embodied in computer readable storage media, the computer
executable program code comprising:

audio decoding program code that decodes an encoded intermediate channel signal included in a bitstream;
unmixing program code that unmixes the decoded intermediate channel signal and outputs an object sound and a background sound;
matrix information decoding program code that decodes matrix information used for the unmixing; and
metadata decoding program code that decodes metadata including control information of the object sound,
wherein the audio decoding program code comprises,
first decoder program code that decodes the bitstream and outputs the decoded intermediate channel signal; and
second decoder program code that decodes the object sound or the background sound to be used for unmixing the intermediate
channel signal;

wherein q number of channels of the intermediate channel signal has the same number of channels as a number of channels of
the background sound,

wherein the unmixing program code unmixes the decoded intermediate channel signal by using the decoded object sound to output
the background sound and the decoded object sound or by using the decoded background sound to output the object sound and
the decoded background sound,

wherein the metadata is used to render to a layout of a speaker system based on audio reproduction environments,
wherein the object sound is a controllable audio and is used to form a dynamic audio scene associated with the background
sound,

wherein the encoded intermediate channel signal is determined based on a channel gain of the background sound, and a gain
of the object sound mixed with the background sound.

US Pat. No. 9,900,243

METHOD AND APPARATUS FOR SETTING DETOUR PATH IN WIDEBAND HIGH FREQUENCY WIRELESS SYSTEM USING CENTRALIZED MAC PROTOCOL

Electronics and Telecommu...

1. An operating method of a source device in a network, the method comprising:
receiving relay capabilities element information of at least one device;
selecting, by the source device, a relay device, to provide a detour path with respect to a direct communication path between
the source device and a destination device, from the at least one device based on the relay capabilities element information,

wherein the relay capabilities element information comprises:
a relay supportability field indicating whether the at least one device is capable of relaying by transmitting and receiving
frames between a pair of other devices, and

a relay preference field indicating whether the at least one device prefers to be either the relay device or one of the source
device and the destination device;

performing, by the source device, a first beam forming process with the selected relay device, wherein the selected relay
device performs a second beamforming process with the destination device;

obtaining a channel status of the detour path between the source device, the selected relay device, and the destination device
as a result of the first beam forming process and the second beam forming process;

performing, by the source device, a third beam forming process with the destination device;
obtaining a channel status of the direct communication path between the source device and the destination device as a result
of the third beamforming process;

comparing, by the source device, information associated with the channel status of the detour path with the information associated
with the channel status of the direct communication path; and

transmitting, by the source device, data to the destination device via whichever one of the detour path and the direct communication
path has a better channel status.

US Pat. No. 9,900,093

APPARATUS AND METHOD FOR VISIBLE LIGHT COMMUNICATION

ELECTRONICS AND TELECOMMU...

1. An apparatus for visible light communication that transmits a transmission packet through visible light, comprising:
a preamble generator for generating a preamble signal;
a header generator for generating a PHY header that includes dimming information and information about a physical layer of
the transmission packet, the dimming information including a target dimming level of the transmission packet;

a fixed dimming VPPM modulator for modulating the PHY header into a first VPPM signal according to a predetermined ratio;
a transmission unit signal processor for generating transmission data by performing signal processing for data to be transmitted
in order to transmit the data through visible light;

a variable dimming VPPM modulator for modulating the transmission data into a second VPPM signal having the target dimming
level of the transmission packet; and

a signal synthesizer for forming the transmission packet by combining the preamble signal, the first VPPM signal, and the
second VPPM signal.

US Pat. No. 9,900,094

VISIBLE-LIGHT WIRELESS COMMUNICATION APPARATUS AND METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...

1. A visible-light wireless communication apparatus comprising:
a transmitter including:
a brightness control unit configured to output a brightness control signal for adjusting a brightness of an illumination;
a first modulation unit configured to receive a first signal and the brightness control signal, to modulate the first signal
according to a first modulation scheme and the brightness control signal, and to output a first modulation signal corresponding
to the modulated first signal;

a second modulation unit configured to receive a second signal and the first modulation signal and to modulate the second
signal according to a second modulation scheme if the first modulation signal is at a particular level, and to output a second
modulation signal corresponding to the modulated second signal; and

an optical signal transmission unit configured to receive the second modulation signal and to output the received second modulation
signal as a visible-light wireless communication signal.

US Pat. No. 9,898,648

FACE RECOGNITION METHOD

ELECTRONICS AND TELECOMMU...

1. A face recognition method comprising:
storing a plurality of aggregations of sample feature data matched with corresponding personnel data, each of the plurality
of aggregations of sample feature data including a ratio of a plurality of widths of feature areas of a sample face;

receiving, from an imager, an input image of a person;
extracting, from the input image, input feature data that are each equal to or more than a critical value;
comparing an aggregation of the input feature data with each of the plurality of stored aggregations;
selecting an aggregation among the plurality of stored aggregations having the greatest similarity with the aggregation of
the input feature data; and

identifying the person based on the personnel data matched with the selected aggregation.

US Pat. No. 9,895,087

WEARABLE APPARATUS FOR MEASURING POSITION AND ACTION OF ARM

ELECTRONICS AND TELECOMMU...

1. A wearable apparatus for measuring position and action of an arm, comprising:
a main frame worn on an upper body of a user; and
an arm motion-measuring unit connected to a side of the main frame, having a plurality of joints and a plurality of arm members,
and worn on an arm of a user,

wherein at least one of the plurality of arm members of the arm motion-measuring unit has a straight-motional degree of freedom,
and

wherein a straight-moving unit having the plurality of arm members includes:
a first straight-moving frame;
a second straight-moving frame having a first side to which the first straight-moving frame is longitudinally movably coupled;
and

a third straight-moving frame longitudinally movably coupled to a second side of the second straight-moving frame.

US Pat. No. 9,893,918

APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING BASED ON FASTER-THAN-NYQUIST

ELECTRONICS AND TELECOMMU...

1. A transmitting method by a Faster-Than-Nyquist (FTN)-based transmitting apparatus, comprising:
segmenting an input data bit string into a plurality of partial bit strings;
simultaneously channel-encoding each of the plurality of partial bit strings;
simultaneously modulating the plurality of channel encoded bit strings, respectively, to generate a plurality of modulation
symbol sequences;

pulse-shaping and transmitting the plurality of modulation symbol sequences at a speed faster than a Nyquist rate; and
prior to the pulse shaping and transmitting, multiplexing the plurality of modulation symbol sequences to mix symbols of different
modulation symbol sequences to be adjacent to each other.

US Pat. No. 9,885,874

MICROLENS ARRAY AND METHOD FOR FABRICATING THEREOF

ELECTRONICS AND TELECOMMU...

1. A microlens array comprising:
a lens structure part formed by bistable dielectric polymer thin film;
first and second electrode parts each formed on an uppermost surface and a bottommost surface of the lens structure part to
apply voltage for shape changes of the lens structure part;

a circuit part applying heat to the dielectric polymer thin film to change the property of the dielectric polymer thin film
to be soft; and

a base part formed on the bottom surface of the second electrode part in predetermined intervals to support the lens structure
part,

wherein the uppermost surface of the lens structure part forms a plurality of outward curves and the bottommost surface of
the lens structure part forms a plurality of inward curves each of which corresponds to each of the plurality of outward curves,
such that the lens structure part forms a plurality of convex-concave lenses which include convex surfaces formed by the outward
curves and concave surfaces formed by the inward curves,

wherein at least one of the first electrode part and the second electrode part includes a plurality of electrode parts which
are disposed on a single outward curve of the plurality of outward curves or on a single inward curve of the plurality of
inward curves,

wherein the plurality of electrode parts are apart from each other, forming an electrode area defined by the plurality of
electrode parts and a no-electrode area defined by gaps between the plurality of electrode parts on the single outward curve
or the single inward curve, and

wherein the circuit part is disposed on the uppermost surface of the lens structure at a joint region between two adjacent
ones of the plurality of outward curves formed by the uppermost surface.

US Pat. No. 9,882,701

METHOD AND APPARATUS FOR ALLOCATING CHANNEL IN WIRELESS LOCAL AREA NETWORK

ELECTRONICS AND TELECOMMU...

1. A method of setting a channel performed at a first access point, the method comprising:
receiving a first frame including scheduling information with respect to an interval #n from a second access point supporting
a plurality of channels;

generating a second frame including resource related information required for transmission and reception during an interval
#(n+1) which is continuous to the interval #n;

transmitting the second frame to the second access point,
wherein, when the interval #n is allocated for the first access point and a third access point, the scheduling information
indicates at least one channel except for channels allocated to the third access point among the plurality of channels, and
communications between the first access point and at least one terminal which is accessed to the first access point are performed
using the at least one channel indicated by the scheduling information in the interval #n, and

wherein the resource related information indicates necessary resources for communications of the first access point in the
interval #(n+1), and n is an integer of one or more.

US Pat. No. 9,877,249

DEVICE, METHOD FOR MANAGING CARRIER OF BASE STATION, TERMINAL AND METHOD FOR MANAGING CARRIER THEREOF

ELECTRONICS AND TELECOMMU...

1. A method of managing a primary carrier in a terminal supporting multi-carriers, the method comprising:
receiving a primary carrier change command from a base station; and
changing the primary carrier from a serving primary carrier to a target primary carrier,
wherein the primary carrier change command comprises an indication field indicating whether the serving primary carrier is
kept active or deactivated after the primary carrier changes.

US Pat. No. 9,876,512

BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 64800 AND CODE RATE OF 2/15 AND 16-SYMBOL MAPPING, AND BIT INTERLEAVING METHOD USING SAME

ELECTRONICS AND TELECOMMU...

1. A bit interleaving method, comprising:
storing, by a first memory, a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 2/15;
generating, by a processor, an interleaved codeword by interleaving the LDPC codeword on a bit group basis, the size of the
bit group corresponding to a parallel factor of the LDPC codeword; and

storing, by a second memory, the interleaved codeword corresponding to a modulator for 16-symbol mapping,
wherein the interleaving is performed using the following equation using permutation order:
Yj=X?(j) 0?j?Ngroup
where X?(j) is the ?(j)th bit group, Yj is an interleaved j-th bit group, and ?(j) is a permutation order for bit group-based interleaving, and

wherein the permutation order corresponds to an interleaving sequence represented by the following interleaving sequence:
{5 58 29 154 125 34 0 169 80 59 13 42 77 167 32 87 24 92 124 143 114 120 166 138 64 136 149 57 18 101 119 35 33 113 75 108
104 3 27 39 172 159 129 62 146 142 19 147 111 70 74 79 10 132 1 161 155 90 15 133 47 112 84 28 160 117 150 49 7 81 44 63 118
4 158 148 82 69 36 162 86 71 22 26 61 40 126 170 177 23 91 68 56 110 21 93 107 85 20 128 109 66 83 12 179 141 97 78 157 72
130 99 165 45 11 152 168 14 16 2 137 140 121 173 50 55 94 144 73 51 98 174 178 17 100 9 122 54 38 156 131 127 164 102 116
176 30 37 139 95 43 135 53 89 106 171 76 175 153 96 151 115 52 6 123 134 31 103 163 65 105 48 25 8 60 67 88 46 41 145}.

US Pat. No. 9,877,144

METHOD FOR TRANSMISSION OF IPV6 PACKETS OVER NEAR FIELD COMMUNICATION (NFC) AND DEVICE OPERATING THE SAME

ELECTRONICS AND TELECOMMU...

1. A method of transmitting an Internet Protocol version 6 (IPv6) packet over near field communication (NFC), the method comprising:
receiving, by an NFC-enabled device, the IPv6 packet through a Logical Link Control Protocol (LLCP), and transmitting the
IPv6 packet to an Information Field in Protocol Data Unit (I PDU) of the LLCP, wherein the maximum number of octets in the
I PDU is determined based on a Maximum Transfer Unit (MTU);

transmitting, by the NFC-enabled device, the IPv6 packet through an adaptation layer for IPv6 over NFC;
determining that a size of the MTU is 128 octets if a Maximum Information Unit extension (MIUX) parameter is not transmitted;
and

determining the size of the MTU based on the MIUX parameter included in the I PDU if the MIUX parameter is transmitted,
wherein when the MIUX parameter is encoded as a TLV (Type-Length-Value), the MIUX parameter is encoded into the least significant
11 bits of a TLV Value field.

US Pat. No. 9,871,806

APPARATUS AND METHOD OF DISPLAYING NETWORK SECURITY SITUATION

Electronics and Telecommu...

1. An apparatus for displaying a network security situation, comprising:
an extraction unit configured to classify a characteristic factor including a plurality of transmission node addresses, a
plurality of reception node addresses, a plurality of protocols and a plurality of port numbers according to each of a plurality
of domains;

a network visualization unit configured to generate a plurality of transmission source domain circles and a plurality of reception
source domain circles representative of traffic events in the network by mapping corresponding node addresses on a circumference
of one circle representing each of the plurality of domains, and generate a transmission source network sphere and a reception
source network sphere visualized as a sphere shape by arranging the plurality of transmission source domain circles and the
plurality of reception source domain circles which are generated on one axis;

a session construction unit configured to construct a session between a transmission node address on the transmission source
network sphere and a reception node address on the reception source network sphere visually; and

a display unit configured to display a real time visualization of the session which is constructed visually,
wherein the network visualization unit generates a plurality of transmission source protocol circles surrounding the transmission
source network sphere and a plurality of reception source protocol circles surrounding the reception source network sphere
by mapping the plurality of port numbers on the circumference of one circle representing each of the plurality of protocols
and arranges the transmission source network sphere and the transmission source protocol circles surrounding the transmission
source network sphere in the reception source network sphere.

US Pat. No. 9,870,601

SYSTEM AND METHOD FOR DISPLAYING PANORAMIC IMAGE USING SINGLE LOOK-UP TABLE

Electronics and Telecommu...

1. A method of generating a look-up table (LUT), comprising:
determining first geometric correction information to transform an input domain pixel coordinate system of an input image
to a panorama domain pixel coordinate system of a panoramic image in which a neighboring input image is connected to the input
image;

determining second geometric correction information to transform an output domain pixel coordinate system of an output image
of the panoramic image output through a plurality of display devices to the panorama domain pixel coordinate system of the
panoramic image;

determining third geometric correction information to transform the output domain pixel coordinate system of the output image
to the input domain pixel coordinate system of the input image based on the first geometric correction information and the
second geometric correction information; and

generating an LUT that maps the output domain pixel coordinate system of the output image to the input domain pixel coordinate
system of the input image based on the third geometric correction information.

US Pat. No. 9,867,051

SYSTEM AND METHOD OF VERIFYING INTEGRITY OF SOFTWARE

ELECTRONICS AND TELECOMMU...

1. A system of verifying integrity of software installed on a mobile terminal, the system comprising:
the mobile terminal configured to:
transmit mobile terminal information to an office trust software monitor server, the mobile terminal information including
a first software hash value and a software identification (ID) with respect to the software,

receive verification failure alarm information from a smart trust software monitor server, and
perform a security policy in response to receiving the verification failure alarm information; the security policy including
at least one of an operation of deleting the software and an operation of limiting access to a memory by the software,

wherein the mobile terminal comprises a memory divided into a software installation region in which a data value is not changed
and a user data region in which the data value is changed;

the office trust software monitor server configured to:
receive the mobile terminal information transmitted by the mobile terminal,
transmit the software ID received from the mobile terminal to a software publishing server,
receive a second software hash value with respect to the software corresponding to the software ID from the software publishing
server as a response to transmitting the software ID to the software publishing server,

compare the first software hash value and the second software hash value to produce a comparison result, and
verify the integrity of the software using the comparison result;
the smart trust software monitor server configured to manage a plurality of office trust software monitor servers in a wider
area than an area managed by the office trust software monitor server, the plurality of office trust software monitor servers
including the office trust software monitor server, wherein the smart trust software monitor is configured to:

compare a first initial hash value with respect to the software installation region which is previously received from the
office trust software monitor server and is previously stored and a second initial hash value with respect to the software
installation region which is received from the mobile terminal at a specific time,

verify the integrity of the mobile terminal by performing an integrity verification of the software, and
transmit the verification failure alarm information to the mobile terminal in response to a failure of the integrity verification
of the software,

wherein the smart trust software monitor server comprises:
a communication unit configured to repeatedly receive the mobile terminal information from the office trust software monitor
server and an ID of the office trust software monitor server;

a data management unit configured to update the previously stored mobile terminal information using the mobile terminal information
received from the office trust software monitor server through the communication unit, and request the integrity verification
of the software at the specific time;

a comparison unit configured to compare the second initial hash value with respect to the software installation region received
from the mobile terminal and the first initial hash value which is previously stored according to the request of the integrity
verification of the software; and

a generation unit configured to generate alarm information with respect to the result of the integrity verification according
to the comparison result of the comparison unit.

US Pat. No. 9,847,799

METHOD OF PROVIDING COMMUNICATION SERVICE AND APPARATUS FOR PERFORMING THE METHOD

ELECTRONICS AND TELECOMMU...

1. A method of providing a communication service performed by a control apparatus, the method comprising:
determining a first user group comprising a selected user terminal to which a communication service is provided by a communication
device belonging to a cell coverage area;

determining a second user group comprising at least one candidate user terminal selected from a plurality of candidate user
terminals based on interference information affecting the selected user terminal; and

determining the first user group and the second user group to be a final user group to which the communication service is
to be provided by the communication device,

wherein the interference information is determined based on first channel information between the candidate user terminal
and the communication device and second channel information between the selected user terminal and the communication device,
and

wherein, when the candidate user terminal has one or more transmitting antennas, the interference information is determined
based on an angle between a first channel vector from the candidate user terminal to the communication device, for each of
the one or more transmitting antennas of the candidate user terminal, and a second channel vector from the selected user terminal
to the communication device.

US Pat. No. 9,846,286

WAVELENGTH DIVISION MULTI-CHANNEL OPTICAL MODULE AND MANUFACTURING METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. An optical module comprising:
an optical receptacle including a first lens and a second lens, the second lens being disposed over an outer surface of the
first lens, the optical receptacle emitting or receiving a rectangular beam;

a lens module including a lens unit facing the second lens of the optical receptacle; and
an optical element configured to receive a beam emitted from the lens module or emit a beam to the lens module,
wherein a horizontal length and a vertical length of a cross-section of the first lens differ from each other, and a horizontal
length and a vertical length of a cross-section of the second lens differ from each other, the cross-section of the first
lens and the cross-section of the second lens being perpendicular to a propagation direction of the rectangular beam.

US Pat. No. 9,841,949

APPARATUS AND METHOD FOR STABILIZING OUTPUT SEQUENCE OF REAL RANDOM NUMBER GENERATOR

ELECTRONICS AND TELECOMMU...

1. A real random number generator comprising:
a processor; and
one or more units comprising executable code configured and executed by the processor using algorithm associated with a non-transitory
storage device,

wherein the one or more units comprise:
a verification unit for performing a monobit test on random number values sampled by and output from a comparison unit, and
calculating an impact value; and

an adjustment unit for adjusting a voltage of any one of a random number generation unit and the comparison unit using resulting
values of the monobit test and the impact value output from the verification unit,

wherein the adjustment unit comprises:
a fuzzy function unit for fuzzifying the resulting values of the monobit test from the verification unit using a preset fuzzy
function;

a fuzzy engine unit for performing fuzzy inference by applying fuzzy values from the fuzzy function unit to a fuzzy rule;
and

a defuzzy function unit for converting the fuzzy values indicated by a fuzzy set by the fuzzy engine unit into numerical values
corresponding to the fuzzy values.

US Pat. No. 9,842,273

APPARATUS AND METHOD FOR DETECTING KEY POINT USING HIGH-ORDER LAPLACIAN OF GAUSSIAN (LOG) KERNEL

ELECTRONICS AND TELECOMMU...

1. A method of detecting a key point of an image, the method comprising:
calculating a high-order Laplacian of Gaussian (LoG) operator by sequentially differentiating an LoG operator with respect
to x and v of an image;

generating the high-order LoG kernel based on the high-order LoG operator;
generating a scale space based on the high-order LoG kernel; and
detecting the key point by comparing a current pixel in the scale space to pixels adjacent to the current pixel,
wherein the high-order LoG kernel is a mask for performing a convolution on a function using the high-order LoG operator.

US Pat. No. 9,843,814

IMAGE ENCODING/DECODING METHOD AND DEVICE

ELECTRONICS AND TELECOMMU...

1. A method for picture decoding supporting layers, the method comprising:
receiving a bitstream comprising the layers; and
acquiring information on a maximum number of sub-layers for each of the layers by decoding the bitstream,
wherein the information on the maximum number of sub-layers is included in video parameter set extension information and signaled,
and

wherein a video parameter set comprises information on a maximum number of sub-layers, and
in response to the video parameter set extension information not comprising the information on a maximum number of sub-layers
for a layer among the layers, the maximum number of sub-layers for the layer is derived based on the information included
in the video parameter set.

US Pat. No. 9,837,719

PATCH ANTENNA

ELECTRONICS AND TELECOMMU...

1. A patch antenna comprising:
a multilayered substrate on which a plurality of dielectric layers are laminated;
at least one metal pattern layer disposed between the plurality of dielectric layers outside a central area of the multilayered
substrate;

an antenna patch disposed on an upper surface of the multilayered substrate and within the central area;
a ground layer disposed on a lower surface of the multilayered substrate;
a plurality of connection via patterns penetrating the plurality of dielectric layers to connect the metal pattern layer and
the ground layer, and surrounding the central area;

a transmission line comprising a first transmission line unit disposed on the upper surface of the multilayered substrate
and located outside the central area, and a second transmission line unit disposed on the upper surface of the multilayered
substrate and located within the central area; and

an impedance transformer located below the second transmission line unit within the central area of the multilayered substrate.

US Pat. No. 9,838,691

METHOD AND APPARATUS FOR ENCODING VIDEO, AND DECODING METHOD AND APPARATUS

Electronics and Telecommu...

1. A method for decoding an image, the method comprising:
decoding base block size information on a size of a base block from a bitstream;
decoding residual presence information of a decoding target unit from the bitstream, the residual presence information indicating
whether a decoding object unit has residual signal or not;

when the residual presence information indicating that the decoding target unit has the residual signal, decoding a residual
quantization parameter of the decoding object unit from the bitstream;

determining a quantization parameter of the decoding object unit based on the residual quantization parameter of the decoding
object unit, wherein when a size of the decoding object unit is smaller than a size of the base block specified by the base
block size information, the quantization parameter of the decoding object unit is same as quantization parameters of all the
other decoding units included in the base block together with the decoding object unit.

US Pat. No. 9,838,702

METHOD AND APPARATUS FOR PREDICTING INTER-LAYER BASED ON TEMPORAL SUB-LAYER INFORMATION

Electronics and Telecommu...

7. An inter-layer prediction apparatus of an image including a plurality of layers, each layer having at least one sub-layer,
the apparatus comprising:
an entropy decoder to decode an indicator indicating whether information on a maximum temporal identifier for a first layer
which may be used for inter-layer prediction of a second layer is included in a bitstream, and to derive a maximum temporal
identifier based on at least one of the indicator and the information on the maximum temporal identifier; and

a predictor to derive a reference picture from the first layer to be used for inter-layer prediction of a current picture
of the second layer based on the maximum temporal identifier, and to perform the inter-layer prediction of the current picture
based on the reference picture,

wherein a picture of the first layer and having a temporal identifier greater than the maximum temporal identifier is not
used for the inter-layer prediction of the current picture of the second layer.

US Pat. No. 9,838,965

METHOD AND APPARATUS FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM

Electronics and Telecommu...

1. A communication method performed by a terminal, the method comprising:
receiving a first message from a base station, the first message comprising information on a first duration of time and a
first period of time;

receiving a data packet intended for reception by the terminal from the base station;
determining that the first period of time has lapsed after receiving the data packet without receiving any data packet; and
after determining that the first period of time has lapsed without receiving any data packet, repeating a first discontinuous
reception (DRX) operation,

wherein the first DRX operation comprises monitoring a downlink channel to detect presence of any data packet intended for
reception by the terminal during a first part of the first duration of time and not monitoring the downlink channel during
a second part of the first duration of time.

US Pat. No. 9,831,896

LOW DENSITY PARITY CHECK CODE FOR TERRESTRIAL CLOUD BROADCAST

Electronics and Telecommu...

1. A method of encoding input information based on an LDPC (Low Density Parity Check), the method comprising:
receiving information;
encoding the input information to an LDPC codeword using a parity check matrix; and
transmitting the LDPC codeword to a receiving device through a broadcast channel, the LDPC codeword including parity bits
for correcting errors over the broadcast channel,

wherein the parity check matrix includes a dual diagonal matrix, and an identity matrix,
wherein the parity bits comprises only two parity parts of a first parity part corresponding to the dual diagonal matrix and
a second parity part corresponding to the identity matrix, and

wherein the encoding comprises:
calculating the first parity part using accumulating corresponding to the dual diagonal matrix based on the input information
and

calculating the second parity part using the identity matrix based on the calculated first parity part.

US Pat. No. 9,832,704

METHOD AND USER TERMINAL FOR DYNAMICALLY CONTROLLING ROUTING

ELECTRONICS AND TELECOMMU...

1. A method of dynamically controlling routing, the method being performed by a user terminal, and comprising:
identifying at least one resource index associated with each of a plurality of radio access technologies (RATs), the at least
one resource index comprising at least one of a resource usage index (RUI) of each of the RATs, a network cost index (NCI)
of each of the RATs, and a mobility category index (MCI) of each of the RATs;

determining a routing value of each of the RATs based on the at least one resource index; and
routing the RATs based on the routing value,
wherein the RUI indicates an internal resource use state in a medium access control (MAC) layer of each of the RATs,
wherein the NCI indicates a cost incurred by using each of the RATs, and
wherein the MCI indicates a mobility of each of the RATs.

US Pat. No. 9,830,707

APPARATUS AND METHOD FOR GENERATING DEPTH MAP

ELECTRONICS AND TELECOMMU...

1. An apparatus for generating a depth map, comprising:
a cube space setting unit configured to set cube space based on camera intrinsic parameters;
a layer generating unit configured to extract objects from a planar image and generate a layer including each object;
a layer editing unit configured to apply at least one of parallel translation and rotation in a depth direction for the layer
based on at least one of translation input and rotation input; and

a model projecting unit configured to place a model on the layer, set a depth value for a model area placed on an object area
included in the layer as a depth value of the object and generate a depth map comprising the depth value corresponding to
each layer.

US Pat. No. 9,831,995

METHOD AND APPARATUS FOR GENERATING PILOT PATTERN FOR MIMO ANTENNA

ELECTRONICS AND TELECOMMU...

1. A method for generating a pilot pattern for MIMO antennas including at least a first antenna and a second antenna, the
method comprising:
determining, using a processor, a size of a slot that is an interval where the pilot pattern is repeated in a time domain
and a frequency domain;

determining, using a processor, first pilot inserting positions of OFDMA symbols included in a slot determined for the first
antenna; and

determining, using a processor, second pilot inserting positions of OFDMA symbols included in a slot determined for the second
antenna, the second pilot inserting positions having sub-carriers different from sub-carriers of the first pilot inserting
positions,

wherein the pilot pattern includes the first pilot inserting positions and the second pilot inserting positions,
wherein the first pilot inserting positions indicate four OFDMA symbols in the slot determined for the first antenna, sub-carrier
positions for the respective four OFDMA symbols are differently configured from each other, and

wherein the second pilot inserting positions indicate three OFDMA symbols in the slot determined for the second antenna, sub-carrier
positions for the respective three OFDMA symbols are differently configured from each other.

US Pat. No. 9,799,331

FEATURE COMPENSATION APPARATUS AND METHOD FOR SPEECH RECOGNITION IN NOISY ENVIRONMENT

Electronics and Telecommu...

1. A feature compensation apparatus for speech recognition in a noisy environment, the feature compensation apparatus comprising
a computer readable medium storing computer readable code that implements:
a feature extractor configured to extract corrupt speech features from a corrupt speech signal with additive noise that consists
of two or more frames;

a noise estimator configured to estimate noise features based on the extracted corrupt speech features and compensated speech
features;

a linear model generator configured to approximate a Gaussian mixture model (GMM) probability distribution, the estimated
noise features and the extracted corrupt speech features into a linear model;

a probability calculator configured to calculate a correlation between adjacent frames of the corrupt speech signal; and
a speech feature compensator configured to generate the compensated speech features by eliminating noise features of the extracted
corrupt speech features while taking into consideration the correlation between adjacent frames of the corrupt speech signal
and the estimated noise features, and to transmit the generated compensated speech features to the noise estimator,

wherein the noise estimator estimates an average and variance of the noise features based on a dynamics model of noise features
of the extracted corrupt speech features and a nonlinear observation model of corrupt speech features, and

wherein the noise estimator reduces a Kalman gain of the average and variance of noise features that are to be updated in
inverse proportion to a ratio of the extracted corrupt speech feature to the noise feature.

US Pat. No. 9,800,266

LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 64800 AND CODE RATE OF 4/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...

1. A low density parity check (LDPC) encoder, comprising:
first memory configured to store an LDPC codeword having a length of 64800 and a code rate of 4/15;
second memory configured to be initialized to 0; and
a processor configured to generate the LDPC codeword corresponding to information bits by performing accumulation at parity
bit addresses of the second memory using a sequence corresponding to a parity check matrix (PCM) and to output the LDPC codeword
generated by using the sequence to generate a transmission signal transmitted over a wireless channel, the LDPC codeword including
parity bits for correcting errors over the wireless channel,

wherein the parity bit addresses are updated using the sequence, and
wherein the sequence is represented by the following:
1st row: 276 1754 1780 3597 8549 15196 26305 27003 33883 37189 41042 41849 42356
2nd row: 730 873 927 9310 9867 17594 21969 25106 25922 31167 35434 37742 45866
3rd row: 925 1202 1564 2575 2831 2951 5193 13096 18363 20592 33786 34090 40900
4th row: 973 1045 1071 8545 8980 11983 18649 21323 22789 22843 26821 36720 37856
5th row: 402 1038 1689 2466 2893 13474 15710 24137 29709 30451 35568 35966 46436
6th row: 263 271 395 5089 5645 15488 16314 28778 29729 34350 34533 39608 45371
7th row: 387 1059 1306 1955 6990 20001 24606 28167 33802 35181 38481 38688 45140
8th row: 53 851 1750 3493 11415 18882 20244 23411 28715 30722 36487 38019 45416
9th row: 810 1044 1772 3906 5832 16793 17333 17910 23946 29650 34190 40673 45828
10th row: 97 491 948 12156 13788 24970 33774 37539 39750 39820 41195 46464 46820
11st row: 192 899 1283 3732 7310 13637 13810 19005 24227 26772 31273 37665 44005
12th row: 424 531 1300 4860 8983 10137 16323 16888 17933 22458 26917 27835 37931
13th row: 130 279 731 3024 6378 18838 19746 21007 22825 23109 28644 32048 34667
14th row: 938 1041 1482 9589 10065 11535 17477 25816 27966 35022 35025 42536
15th row: 170 454 1312 5326 6765 23408 24090 26072 33037 38088 42985 46413
16th row: 220 804 843 2921 4841 7760 8303 11259 21058 21276 34346 37604
17th row: 676 713 832 11937 12006 12309 16329 26438 34214 37471 38179 42420
18th row: 714 931 1580 6837 9824 11257 15556 26730 32053 34461 35889 45821
19th row: 28 1097 1340 8767 9406 17253 29558 32857 37856 38593 41781 47101
20th row: 158 722 754 14489 23851 28160 30371 30579 34963 44216 46462 47463
21st row: 833 1326 1332 7032 9566 11011 21424 26827 29789 31699 32876 37498
22nd row: 251 504 1075 4470 7736 11242 20397 32719 34453 36571 40344 46341
23rd row: 330 581 868 15168 20265 26354 33624 35134 38609 44965 45209 46909
24th row: 729 1643 1732 3946 4912 9615 19699 30993 33658 38712 39424 46799
25th row: 546 982 1274 9264 11017 11868 15674 16277 19204 28606 39063 43331
26th row: 73 1160 1196 4334 12560 13583 14703 18270 18719 19327 38985 46779
27th row: 1147 1625 1759 3767 5912 11599 18561 19330 29619 33671 43346 44098
28th row: 104 1507 1586 9387 17890 23532 27008 27861 30966 33579 35541 39801
29th row: 1700 1746 1793 4941 7814 13746 20375 27441 30262 30392 35385 42848
30th row: 183 555 1029 3090 5412 8148 19662 23312 23933 28179 29962 35514
31st row: 891 908 1127 2827 4077 4376 4570 26923 27456 33699 43431 46071
32nd row: 404 1110 1782 6003 14452 19247 26998 30137 31404 31624 46621 47366
33rd row: 886 1627 1704 8193 8980 9648 10928 16267 19774 35111 38545 44735
34th row: 268 380 1214 4797 5168 9109 9288 17992 21309 33210 36210 41429
35th row: 572 1121 1165 6944 7114 20978 23540 25863 26190 26365 41521 44690
36th row: 18 185 496 5885 6165 20468 23895 24745 31226 33680 37665 38587
37th row: 289 527 1118 11275 12015 18088 22805 24679 28262 30160 34892 43212
38th row: 658 926 1589 7634 16231 22193 25320 26057 26512 27498 29472 34219
39th row: 337 801 1525 2023 3512 16031 26911 32719 35620 39035 43779 44316
40th row: 248 534 670 6217 11430 24090 26509 28712 33073 33912 38048 39813
41st row: 82 1556 1575 7879 7892 14714 22404 22773 25531 34170 38203 38254
42nd row: 247 313 1224 3694 14304 24033 26394 28101 37455 37859 38997 41344
43rd row: 790 887 1418 2811 3288 9049 9704 13303 14262 38149 40109 40477
44th row: 1310 1384 1471 3716 8250 25371 26329 26997 30138 40842 41041 44921
45th row: 86 288 367 1860 8713 18211 22628 22811 28342 28463 40415 45845
46th row: 719 1438 1741 8258 10797 29270 29404 32096 34433 34616 36030 45597
47th row: 215 1182 1364 8146 9949 10498 18603 19304 19803 23685 43304 45121
48th row: 1243 1496 1537 8484 8851 16589 17665 20152 24283 28993 34274 39795
49th row: 6320 6785 15841 16309 20512 25804 27421 28941 43871 44647
50th row: 2207 2713 4450 12217 16506 21188 23933 28789 38099 42392
51st row: 14064 14307 14599 14866 17540 18881 21065 25823 30341 36963
52nd row: 14259 14396 17037 26769 29219 29319 31689 33013 35631 37319
53rd row: 7798 10495 12868 14298 17221 23344 31908 39809 41001 41965.

US Pat. No. 9,793,926

BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 16200 AND CODE RATE OF 2/15 AND 64-SYMBOL MAPPING, AND BIT INTERLEAVING METHOD USING SAME

ELECTRONICS AND TELECOMMU...

1. A bit group-unit interleaver, comprising:
a first memory configured to store a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of
2/15;

a processor configured to generate an interleaved codeword by interleaving the LDPC codeword on a bit group basis, the size
of the bit group corresponding to a parallel factor of the LDPC codeword; and

a second memory configured to transmit the interleaved codeword corresponding to a modulator for 64-symbol mapping for generating
a transmission signal, the transmission signal being transmitted over a wireless channel,

wherein the interleaving is performed using the following equation using permutation order:
Yj=X?(j)0?j?Ngroup
where X?(j) is a ?(j)th bit group, Yj is an interleaved j-th bit group, Ngroup is the number of bit groups obtained by dividing the LDPC codeword into the bit groups, and ?(j) is a permutation order for
bit group-based interleaving,

wherein the permutation order corresponds to an interleaving sequence represented by the following equation:
interleaving sequence={7 11 4 38 19 25 2 43 15 26 18 14 9 29 44 32 0 5 35 10 1 12 6 36 21 33 37 34 3 31 20 16 40 23 41 22
30 39 13 24 17 42 28 8 27}, and

wherein the interleaving sequence is for a case where the 64-symbol mapping is employed and the interleaved codeword interleaved
by the interleaving sequence distributes burst errors occurring in the wireless channel for the transmission signal, and a
modulated signal output from the modulator corresponds to the transmission signal, the transmission signal being transmitted
to a reception device.

US Pat. No. 9,778,724

POWER-SAVING COMPUTER SYSTEM WITH A WATCHDOG COMPUTER AND METHOD FOR CONTROLLING POWER SAVING OF COMPUTER SYSTEM WITH A WATCHDOG COMPUTER

ELECTRONICS AND TELECOMMU...

1. A first computer system comprising:
a first computer that includes a first processor, wherein
the first computer is located in a user environment of a second computer system including a second computer and a second display
device such that a user of the second computer, while using the second computer, can view the first computer, and

the first computer is a milliwatt class computer that consumes less power than the second computer; and
a first display device connected to the first computer and configured to display an image through a graphics signal, wherein
the first processor to
transmit an alive message indicating that the first computer is alive to the second computer when user authentication is completed,
store power saving configuration information when the power saving configuration information is received from the second computer,
perform, using a timer, periodic power saving control for the second computer system by periodically requesting state information
of the second computer system,

receive, from the second computer system in response to the periodically requesting, the state information including at least
one of

system state information, which includes a CPU usage of the second computer system, and
power state information, which includes a current of at least one component of the second computer system and a voltage of
at least one component of the second computer system,

generate a first power saving control command on the basis of the received state information by,
in response to the received state information being the system state information, analyzing a system state of the second computer
system on the basis of the system state information and generating the first power saving control command on the basis of
a first result by the analysis and the stored power saving configuration information,

in response to the received state information being the power state information, analyzing a power state of the second computer
system on the basis of the power state information and generating the first power saving control command on the basis of a
second result by the analysis and the stored power saving configuration information,

display the first result or the second result on the first display device, and
transmit the generated first power saving control command to the second computer system, and
the first power saving control command is a command for controlling power saving of at least one of the second computer and
the second display device.

US Pat. No. 9,778,367

ANTI-JAMMING APPARATUS AND METHOD FOR COMPACT ARRAY ANTENNA

ELECTRONICS AND TELECOMMU...

1. An anti-jamming apparatus for a compact array antenna, comprising:
a Global Navigation Satellite System (GNSS) array antenna unit including a plurality of GNSS antennas for receiving GNSS signals
transmitted from a satellite;

a first beam-forming unit including a plurality of combination units for receiving respective signals received by the plurality
of GNSS antennas as a first reference signal and first auxiliary signals and combining the first reference signal with the
first auxiliary signals, thus forming different beams; and

a second beam-forming unit for receiving signals of the different beams, and combining the signals of the different beams,
thus forming an anti-jamming beam in which a satellite-invisible area is minimized,

wherein the first beam-forming unit comprises an allocation unit for allocating different first reference signals to the plurality
of combination units

wherein the combination units assign different weights to the first reference signal and the first auxiliary signals using
a power minimization technique and combine resulting signals, and

wherein the weights of the first auxiliary signals are values for minimizing energy of error between combinations of the first
reference signal and the first auxiliary signals.

US Pat. No. 9,780,176

HIGH RELIABILITY FIELD EFFECT POWER DEVICE AND MANUFACTURING METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A method of manufacturing a field effect power device, the method comprising:
sequentially forming a transfer layer, a buffer layer, a barrier layer and a passivation layer on a substrate;
patterning the passivation layer by etching a first region of the passivation layer; and
forming at least one electrode on the first region of the barrier layer exposed by patterning the passivation layer,
wherein the first region is provided to form the at least one electrode, and
the passivation layer includes a material having a wider bandgap than the barrier layer to prevent a trapping effect and a
leakage current of the field effect power device.

US Pat. No. 9,774,384

MULTI-BEAM ANTENNA SYSTEM AND METHOD FOR CONTROLLING OUTPUT POWER THEREOF

Electronics and Telecommu...

1. A phase array antenna system, comprising:
a beam forming network configured to receive a plurality of signals to be a plurality of beams, to divide each of the plurality
of signals to a plurality of divided signals, and to output a plurality of excited signals by adjusting and combining amplitude
and phase of each of the plurality of divided signals;

the beam forming network further comprising:
a plurality of dividers;
a plurality of variable attenuators;
a plurality of variable phase shifters;
a plurality of combiners configured to each receive the plurality of divided signals from the variable phase shifters and
each output a single excited signal;

an MPA set having a plurality of MPAs configured to receive corresponding excited signals among the plurality of excited signals
from the beam forming network and to control output powers of the received excited signals according to communication traffic;
and

a feed array having a plurality of feeds configured to form a multi-beam by being excited according to the amplitude and phase
of the excited signals from the MPA set,

wherein the plurality of variable phase shifters directly transfers at least one phase adjusted signal to the MPA set.

US Pat. No. 9,768,866

OPTICAL WAVELENGTH AND POWER MEASUREMENT DEVICE

ELECTRONICS AND TELECOMMU...

1. An optical wavelength and optical power measurement device, comprising:
an input unit to which an optical connector that emits communication light of an infrared ray wavelength region is connected;
a filter unit that is connected to the input unit and that separates the communication light of an infrared ray wavelength
region that is emitted from the optical connector and light of a visible ray wavelength region;

a sensing unit that communicates with a path of the communication light of an infrared ray wavelength region of the filter
unit and to which a signal of the communication light of an infrared ray wavelength region is input;

an inspection unit that communicates with a path of the light of a visible ray wavelength region of the filter unit and that
inspects a surface of the optical connector that is connected to the input unit;

a signal processor that is connected to the sensing unit and the inspection unit and that processes signals that are output
from the sensor unit and the inspection unit; and

a monitor unit that is connected to the signal processor and that displays a processed signal of the signal processor,
wherein the sensing unit comprises:
at least one linear motor;
a mounting unit that is connected to the linear motor;
a plurality of Dense Wavelength Division Multiplexing (DWDM) wavelength filters that are mounted on the mounting unit; and
an optical detector that detects the communication light of an infrared ray wavelength region, having passed through the plurality
of DWDM wavelength filters.

US Pat. No. 9,762,301

BASE STATION AND TERMINAL FOR DISTRIBUTED ARRAY MASSIVE MULTIPLE-INPUT AND MULTIPLE-OUTPUT (MIMO) COMMUNICATION ANTENNA SYSTEM

ELECTRONICS AND TELECOMMU...

1. A base station comprising:
a distribution analog unit configured to receive a plurality of analog array receive signals from a virtual terminal through
a plurality of distributed antenna arrays; and

a digital unit configured to restore a terminal antenna transmit signal based on the plurality of analog array receive signals
and a channel parameter,

wherein the channel parameter is information on a plurality of channels between the virtual terminal and each of the distributed
antenna arrays, and

wherein the digital unit comprises:
an analog-to-digital (A/D) converter configured to convert the analog array receive signals into digital array receive signals;
a receive signal divider configured to divide the digital array receive signals into pilot receive signals and data receive
signals;

a channel estimator configured to generate a channel estimation vector for the plurality of channels based on the pilot receive
signals;

an array selector configured to generate an array selection index vector related to a quality of the plurality of channels
based on the channel estimation vector; and

a receive beamformer configured to restore the terminal antenna transmit signal based on the data receive signals, the channel
estimation vector, and the array selection index vector.

US Pat. No. 9,728,052

DIGITAL SIGNAGE SYSTEM AND EMERGENCY ALERTING METHOD USING SAME

ELECTRONICS AND TELECOMMU...

1. An emergency alert method using a digital signage system, comprising:
determining whether an emergency has occurred in a location by analyzing information collected from environment surrounding
the location, the collected information including emergency-related information that is analyzed to identify a type of the
emergency and information specifying a scope of the location affected by the emergency;

identifying at least one digital signage terminal to which the emergency-related information needs to be distributed upon
occurrence of the emergency as determined by the determining and upon determining the at least one digital signage terminal
is within an emergency area that is within the scope of the location affected by the emergency by referring to the collected
emergency-related information and information of a database of a digital signage server;

converting the collected emergency-related information into an emergency alert message by a processor configured to generate
the emergency alert message in a format supported by the identified at least one digital signage terminal, the emergency alert
message identifying another digital signage terminal of surrounding the at least one digital signage terminal to which the
emergency alert message is to be distributed, evacuation direction indication information specifying a direction to a shelter
from the location of the identified at least one digital signage terminal, and evacuation direction indication supplementary
information specifying turn direction in the direction indicated by the evacuation direction indication information; and

transmitting the generated emergency alert message to the identified at least one digital signage terminal,
wherein the transmitted generated emergency alert message is displayable together with existing digital signage content displayed
by the at least one digital signage terminal,

wherein the emergency alert message further comprises evacuation distance information indicative of a distance in the direction
indicated by the evacuation direction indication information,

wherein the evacuation distance information in the emergency alert message is used along with the evacuation direction indication
information and/or the evacuation direction indication supplementary information.

US Pat. No. 9,763,161

APPARATUS OF CONTROLLING CONNECTION FOR USER EQUIPMENT AND METHOD OF CONTROLLING ACCESS FOR USER EQUIPMENT

ELECTRONICS AND TELECOMMU...

1. A terminal connection control apparatus, comprising:
a cell position determining unit which provides information on a cell position of a terminal and includes a cell position
database which accumulatively stores information on a time when the terminal is located in a cell, the cell position database
respectively storing the information on the time in regards to one or more cells including the cell;

a service feature determining unit which figures out a feature of a service including a data speed requested by the service
which is provided in the terminal and information indicating whether to control a mobility based on an application program
which is being executed in the terminal; and

a connection cell control unit which figures out cells to which the terminal is currently connectable and controls a connection
cell to a small cell which satisfies the service feature among small cells to which the terminal is connectable, based on
the cell position information and the service feature,

wherein the connection cell control unit, when the terminal is connected to a macro cell, if information indicating that the
terminal is located in a small cell for a predetermined time or longer is received from the cell position determining unit,
determines whether the terminal is appropriate for connection to the small cell to control the terminal to be connected to
the small cell,

wherein the information indicating that the terminal is located in a small cell for a predetermined time or longer includes
information indicating that a number of times when the terminal is located in the small cell for the predetermined time or
longer is equal to or larger than a predetermined number of times from the cell position database.

US Pat. No. 9,762,934

APPARATUS AND METHOD FOR VERIFYING BROADCAST CONTENT OBJECT IDENTIFICATION BASED ON WEB DATA

ELECTRONICS AND TELECOMMU...

1. An apparatus for verifying broadcast content object identification based on web data, the apparatus comprising:
circuitry configured to
collect and process web data related to broadcast content and create content knowledge information by tagging the web data
to the broadcast content via a web data processor;

store the content knowledge information via a content knowledge information storage portion; and
verify a result of identifying an object contained in the broadcast content, using the content knowledge information via an
object identification verifier,

wherein the web data processor is configured to collect web data from a web portal based on a query using object-relevant
keywords for the broadcast content and construct a knowledge network comprising at least one of images and terms extracted
from the web data.

US Pat. No. 9,759,876

MULTI-CHANNEL OPTICAL MODULE

Electronics and Telecommu...

1. A multi-channel optical module comprising:
a stem configured to allow an optical active element transmitting and receiving an optical signal to be installed thereon;
wherein the optical active element includes:
a laser diode configured to emit a light source having a specific wavelength; and
a photodiode configured to receive a light source having a specific wavelength;
an optical module frame connected to the stem and configured to have an optical element forming an optical path corresponding
to the optical active element; and

an external housing configured to house the optical module frame therein and coupled to the stem,
wherein the optical element includes:
a lens and a filter unit disposed in the optical path and an optical waveguide element to which an optical fiber is connected;
wherein the optical waveguide element includes:
an optical coupler configured to transmit the light source having the specific wavelength emitted from the laser diode to
the optical fiber; and

an optical splitter configured to divide a single optical signal transmitted from the optical fiber into optical signals having
the same strength and transmit the optical signals to the photodiode.

US Pat. No. 9,759,878

OPTICAL MODULE

ELECTRONICS AND TELECOMMU...

1. An optical module, comprising:
a circuit board having an upper surface in which an electronic element is mounted and an edge having an opening inwardly formed;
a glass rod inserted into the opening of the circuit board;
an optical waveguide array in which a plurality of optical waveguides are formed;
an optical element in which an optical signal that is transmitted and received from and to the optical waveguide is input
and that is mounted at a lower surface of the circuit board; and

a connection member that connects the optical element and the electronic element,
wherein the glass rod has a connection portion of a curved shape between the upper surface and the lower surface,
wherein the connection member is formed on the connection portion,
wherein the connection member comprises:
a transmission line, an entirety of the transmission line is curvedly formed along the curved shape of the connection portion
of the glass rod; and

a wire bonding unit that connects the electronic element and the optical element at both ends of the transmission line, the
wire bonding unit is directly connected to both ends of the transmission line, and

wherein the transmission line is directly formed in a pattern in the glass rod.

US Pat. No. 9,753,334

DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME

ELECTRONICS AND TELECOMMU...

1. A display device, comprising:
a first substrate;
a second substrate facing the first substrate with a gap therebetween;
a plurality of spacers separating the gap between the first and the second substrates to form a plurality of spaces along
a horizontal direction;

a plurality of immobilization patterns, each formed in one of the spaces and including an optically active material; and
a plurality of liquid crystal parts each formed in one of the spaces, the plurality of liquid crystal parts being separated
from one another by the spacers and the immobilization patterns in the horizontal direction, wherein

the plurality of liquid crystal parts respectively correspond to the plurality of immobilization patterns, and
each of the liquid crystal parts covers both side and top surfaces of one of the immobilization patterns corresponding thereto.

US Pat. No. 9,755,730

SATELLITE COMMUNICATION SYSTEM AND METHOD OF CANCELLING INTERFERENCE IN THE SATELLITE COMMUNICATION SYSTEM

Electronics and Telecommu...

1. A method of cancelling interference in a satellite communication system, the method comprising:
receiving, by a central station, a signal from a terminal via a satellite transponder; estimating, from the received signal,
a nonlinear characteristic associated with a central station signal transmitted from the central station; and

cancelling an interference signal from the signal using the estimated nonlinear characteristic,
wherein a frequency band of the signal comprises a frequency band allocated to a re-input signal to be re-input to the central
station through the satellite transponder receiving the central station signal, and a frequency band allocated to a terminal
signal to be transmitted to the central station from the terminal.

US Pat. No. 9,723,428

INTERNET-OF-THINGS SYSTEM FOR PUBLIC TRANSPORTATION SERVICE AND METHOD OF OPERATING SAME

ELECTRONICS AND TELECOMMU...

1. An Internet of things (IoT) system for public transportation service, the IoT system comprising:
on-vehicle devices mounted within a bus as a means of public transportation;
a management server connected to the bus over an Internet as a means of wireless communication;
a plurality of bus stop access points (APs) as a means of short distance communication APs, the plurality of bus stop APs
provided at respective bus stops and configured to enable information to be exchanged between the respective bus stops and
the bus; and

a wired/wireless bus stop access point (AP) communication network configured to connect the plurality of bus stop APs;
wherein the management server performs Internet access processing to connect the bus stop AP communication network and an
external terminal,

wherein the on-vehicie devices send an IPv6 uPrefix, which is upper 64 bits of an IPv6 address, to a passenger terminal.

US Pat. No. 9,720,192

INTERFACE FOR TRANSMITTING HIGH-SPEED SIGNAL AND OPTICAL MODULE INCLUDING THE SAME

ELECTRONICS AND TELECOMMU...

1. An interface for transmitting a high-speed signal, comprising:
a main substrate having at least one high-speed signal line formed on an upper surface thereof; and
a sub-substrate, which has a first conductive line formed on a lower surface thereof so as to adjust high-speed signal transmission
characteristics of the at least one high-speed signal line, and is coupled to the upper surface of the main substrate in such
a manner that the first conductive line partially overlaps with the at least one high-speed signal line,

wherein a thickness of the first conductive line enables the high-speed signal transmission characteristics to be adjusted.

US Pat. No. 9,706,187

CAMERA RIG FOR SHOOTING MULTI-VIEW IMAGES AND VIDEOS AND IMAGE AND VIDEO PROCESSING METHOD FOR USE WITH SAME

ELECTRONICS AND TELECOMMU...

1. A camera rig for shooting multi-view images and videos, comprising:
a plurality of cam sockets;
a plurality of cam mounts for fixing a plurality of cameras to the plurality of cam sockets; and
an adjuster that adjusts the cam sockets such that the plurality of cameras are directed to a subject,
wherein the adjuster comprises:
a bow body made of an elastically deformable material;
a rotation rod rotated by an operator;
a moving body that is attached to a middle portion of the bow body, is engaged with the rotation rod, and moves along the
rotation rod in forward-backward directions when the rotation rod rotates; and

semi-fixed bodies that are formed to semi-fix both ends of the bow body to the adjuster and assist the bow body to bend when
the moving body moves.

US Pat. No. 9,698,738

BANDPASS FILTER PROVIDING WIDE GAIN CONTROL RANGE

ELECTRONICS AND TELECOMMU...

1. A switched N-path bandpass filter, comprising:
a bandpass filter including a first switched capacitor that filters an input signal, the bandpass filter generating an output
signal based on the filtered input signal; and

a gain control unit receiving the input signal and performing gain control and pre-distortion, the gain control unit performing
the gain control between a voltage of the input signal and a current of the output signal of the bandpass filter, the pre-distortion
being performed on the input signal in accordance with a transfer characteristic of the bandpass filter.

US Pat. No. 9,692,647

APPARATUS AND METHOD FOR REGISTERING AND DE-REGISTERING OPTICAL NETWORK UNIT (ONU) BY USING PLURALITY OF SUB-CHANNELS IN OPTICAL COMMUNICATIONS NETWORK

ELECTRONICS AND TELECOMMU...

1. A method of registering and de-registering, by an optical line terminal (OLT), one or more optical network units (ONUs)
in an optical communications network, the method comprising:
setting one or more sub-channels for registration or de-registration among two or more sub-channels, and a size of a contention
window in the one or more sub-channels;

transmitting, to one or more ONUs, a registration information message including information of the one or more set sub-channels
and the size of the contention window;

receiving, through one of the set sub-channels, a registration or de-registration request message from the one or more ONUs,
which receive the registration information message; and

registering and de-registering the one or more ONUs, which have transmitted the registration or de-registration request message,
wherein the optical communications network has a plurality of sub-channels,
wherein the transmitting a registration information message comprises including an information indicating the one or more
sub-channels among a plurality of sub-channels to be used for registration or de-registration, in the registration information
message.

US Pat. No. 9,644,591

GENERAL-PURPOSE VEHICLE REMOTE CONTROL DEVICE AND METHOD

ELECTRONICS AND TELECOMMU...

1. A vehicle remote control device for a vehicle having a predetermined range, measured in distance, for receiving remote
control commands, comprising:
a network communication unit configured to communicate with a user over a network, the user located outside the predetermined
range, and vehicle remote control device located within the predetermined range from the vehicle;

a user authentication unit configured to identify the user;
a user information database configured to store user information required for the identification of the user; and
a remote control unit configured to transceive control signals and state information with the vehicle or to remotely start
the vehicle based on identifying the user via the user authentication unit,

wherein the remote control unit is configured to power up a private communication network of the vehicle by transmitting a
start signal to the vehicle, the private communication network being a bidirectional communication-enabled network,

wherein the private communication network is one of a telecommunications network and a local area wireless network,
wherein the user authentication unit identifies the user using an ID and a password input by the user.

US Pat. No. 9,640,736

SILICON NANOCRYSTAL LIGHT EMITTING DIODE AND FABRICATING METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A silicon nano crystal light emitting diode, comprising:
a photoelectric conversion layer formed of a silicon nitride layer including a silicon nano crystal;
an electron injection layer formed on the photoelectric conversion layer; and
a hole injection layer, which faces the electron injection layer with the photoelectric conversion layer interposed therebetween,
has an energy band gap higher than that of the photoelectric conversion layer, and has a refractive index lower than that
of a silicon thin film,

wherein the hole injection layer is formed of a p-type nitride semiconductor thin film, and
wherein the nitride semiconductor thin film includes any one of GaN, AlN, InN, AlGaN, InGaN, InAlN, and InAlGaN.

US Pat. No. 9,635,535

PROXIMITY MEASUREMENT METHOD AND APPARATUS FOR DEVICE TO DEVICE COMMUNICATION IN MOBILE COMMUNICATION SYSTEM

Electronics and Telecommu...

1. A proximity measurement method for device-to-device (D2D) communication in a proximity measurement apparatus, the proximity
measurement method comprising:
determining whether a cell identification (ID) is included in a packet received from a gateway;
verifying whether the cell ID matches a pre-stored cell ID when the cell ID is included;
extracting, from the packet, Internet Protocol addresses of mobile terminals transmitting and receiving the packet when the
cell ID matches the pre-stored cell ID;

searching for IP addresses matched to the extracted IP addresses based on a proximity list including IP addresses of mobile
terminals performing D2D communication; and

registering, when the extracted IP addresses are absent in the proximity list, the extracted IP addresses in the proximity
list and measuring proximity between the mobile terminals.

US Pat. No. 9,621,620

APPARATUS AND METHOD FOR PROVIDING CONTENT WITH A DISTRIBUTED ARCHITECTURE, AND SYSTEM FOR PROVIDING CONTENT WITH THE SAID APPARATUS

ELECTRONICS AND TELECOMMU...

1. A content providing apparatus, comprising:
a determining unit configured to determine whether a content requested by a user terminal is stored in the content providing
apparatus;

a clustering unit configured to create a cluster in cooperation with other content providing apparatuses or register the content
providing apparatus in an already configured cluster;

an interrogating unit configured to, when the content is not stored in the content providing apparatus, interrogate the other
content providing apparatuses in the same cluster whether the content is stored in each of the other content providing apparatuses;

a first processing unit configured to receive the content from a second content providing apparatus among the other content
providing apparatuses when the second content providing apparatus replies that the content is stored therein; and

a second processing unit configured to transmit the stored content to the user terminal when the content is stored in the
content providing apparatus, and, when the content is not stored in the content providing apparatus, store the received content
from the second content providing apparatus and transmit the received content to the user terminal,

wherein the interrogating unit further interrogates a content providing server on a public IP network via a service gateway
whether the content is stored when the content is not stored in the content providing apparatus,

wherein when the content is not stored in at least one second content providing apparatus, the first processing unit receives
the content from the content providing server, and when the content is stored in at least one second content providing apparatus
in the same cluster, requests the content providing server to stop delivering the content to minimize a service delay time
and waste of a bandwidth, and

wherein a plurality of content providing apparatuses in the same cluster store and share locally distributed contents and
provide preferentially the content requested by the user.