US Pat. No. 9,535,035

ANALYSIS DEVICE AND ANALYSIS METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...

1. An analysis device comprising:
a giant magnetoresistance (GMR) sensor unit disposed on a substrate;
a receptor-fastened layer fastening receptors to the GMR sensor unit and disposed on the GMR sensor unit;
the receptors fastened to the receptor-fastened layer;
a target particle comprising a plurality of magnetic nano particles and a plurality of markers, at least one of the plurality
of magnetic nano particles being coupled with a corresponding one of the receptors using a first antibody and being coupled
with a corresponding one of the markers of the target particle using a second antibody; and

electrodes in contact with both ends of the GMR sensor unit,
wherein a width of the GMR sensor unit is the same as or smaller than a width of the target particle, and
wherein the target particle is a single particle.

US Pat. No. 9,532,765

ULTRASOUND SCANNING ASSISTANCE APPARATUS FOR BREAST CANCER DIAGNOSIS AND METHOD OF ULTRASOUND SCANNING

ELECTRONICS AND TELECOMMU...

1. An ultrasound scanning apparatus comprising:
an ultrasound transducer that generates an ultrasound;
a fixing container including a scan surface that guides the ultrasound transducer adapted to diagnose a breast cancer and
a soft membrane to contact a surface of a human body; and

a buffer fluid controller that controls a hydraulic pressure of a buffer fluid filling the fixing container to apply and release
pressure on the soft membrane,

wherein the ultrasound scanning apparatus obtains an ultrasound image by scanning the human body according to at least one
of an ultrasound imaging method and an elastography method for diagnosing the breast cancer.

US Pat. No. 9,530,403

TERMINAL AND SERVER OF SPEAKER-ADAPTATION SPEECH-RECOGNITION SYSTEM AND METHOD FOR OPERATING THE SYSTEM

ELECTRONICS AND TELECOMMU...

1. A terminal in a speaker-adaptation speech-recognition system, comprising:
a speech recorder configured to transmit speech data of a speaker to a speech-recognition server;
a statistical variable accumulator configured to receive a statistical variable including acoustic statistical information
about speech of the speaker from the speech-recognition server which recognizes the transmitted speech data, and accumulate
the received statistical variable;

a conversion parameter generator configured to generate a conversion parameter about the speech of the speaker using the accumulated
statistical variable and transmit the generated conversion parameter to the speech-recognition server;

a result displaying user interface configured to receive and display result data when the speech-recognition server recognizes
the speech data of the speaker using the transmitted conversion parameter and transmits the recognized result data;

a pre-processor configured to extract a feature vector from the speech data; and
a feature vector converter configured to convert the extracted feature vector using the conversion parameter so as to match
a speech feature of the speaker.

US Pat. No. 9,530,529

RADIOISOTOPE BATTERY AND MANUFACTURING METHOD THEREOF

Electronics and Telecommu...

1. A radioisotope battery, comprising:
a semiconductor layer;
a seed layer formed on the semiconductor layer;
a radioisotope layer formed on the seed layer; and
a radiation shielding layer formed on the radioisotope layer and for shielding radiation of the radioisotope layer from outside.

US Pat. No. 9,525,553

SYSTEM AND METHOD FOR PROVIDING DIGITAL SIGNATURE BASED ON MOBILE TRUSTED MODULE

ELECTRONICS AND TELECOMMU...

1. A device for providing a digital signature based on a mobile trusted module (MTM), comprising:
at least one processor configured to implement:
a control unit configured to activate a mobile application and receive a selection of a certificate among a previously stored
certificate list from a user through the activated mobile application which operates with the MTM, the selected certificate
being used to generate, by the MTM, a keypad image in which buttons are irregularly arranged, an MTM table for converting
keypad touch information into an actual value, and a terminal table for converting keypad image coordinates into an area,
and

a communication unit configured to transmit a digital signature value and certificate information to an authentication server,
wherein, when a comparison of an input MTM password matches a previously stored MTM password, a digital signature is placed
on the selected certificate using a certificate password input by the user based on the keypad image, the MTM table, and the
terminal table to generate the digital signature value.

US Pat. No. 9,520,926

METHOD AND APPARATUS FOR TRANSMITTING BEAMFORMING REPORT FRAME FOR TRANSMIT BEAMFORMING

ELECTRONICS AND TELECOMMU...

1. A method of transmitting a management frame, the method comprising:
acquiring, by a receiver, data of a signal transmitted by a transmitter;
selecting, based on a type of the data, one of a media access control (MAC) software and a MAC hardware;
when the MAC hardware is selected, assigning, using the MAC hardware, a sequence number in a first sequence number range to
a management frame generated in the MAC hardware;

when the MAC software is selected, assigning, using the MAC software, a sequence number in a second sequence number range
to an other management frame,

wherein the first sequence number range corresponding to the MAC hardware is different from the second sequence number range
corresponding to the MAC software.

US Pat. No. 9,515,919

METHOD AND APPARATUS FOR PROTECTION SWITCHING IN PACKET TRANSPORT SYSTEM

ELECTRONICS AND TELECOMMU...

1. A method for a packet transport system to perform protection switching, the packet transport system including
a packet processor,
a protection switching apparatus, and
a host processor,the method comprising:
checking, by the protection switching apparatus, whether a signal failure has occurred in a receiving frame that is sent from
another switching apparatus for receipt by the packet processor;

generating, by the protection switching apparatus, responsive to the signal failure that has occurred in the receiving frame,
a protection switching command message comprising protection switching command for the packet processor to perform the protection
switching;

recording, by the protection switching apparatus, upon generating the protection switching command message and in a header
of the receiving frame, information representing that the protection switching is to be performed by the packet processor,
and transporting an updated receiving frame comprising the header having the recorded information to the host processor;

receiving, by the protection switching apparatus, a protocol related command message sent from the host processor; and
performing, by the protection switching apparatus, arbitration for transmitting the protection switching command message generated
by the protection switching apparatus or the protocol related command message sent from the host processor, and transmitting
one of the protection switching command message and the protocol related command message in accordance with the arbitration
to the packet processor so that the packet processor performs the protection switching according to the transmitted message.

US Pat. No. 9,497,596

SYSTEM AND METHOD FOR FILTERING MOBILE TERMINAL LOCATION BY COMBINING WI-FI LOCATION INFORMATION WITH SENSOR INFORMATION

ELECTRONICS AND TELECOMMU...

10. A method of filtering a terminal location by combining WiFi location information and sensor information, the method comprising:
updating filter time to generate state variables and covariance estimated at a current time from state variables and covariance
estimated at a prior time;

calculating a standardized innovation value based on measurement information, which includes WiFi location information and
sensor information, and on information generated by a filter time updater, and calculating an innovation covariance ratio;

determining whether the standardized innovation value calculated by a quality estimation calculator is below a threshold,
wherein in response to the standardized innovation value being determined to be below the threshold, determining both the
WiFi location information and the sensor information to be reliable, and in response to the standardized innovation value
being determined not to be below the threshold, determining only the sensor information to be reliable;

updating state variables and covariance estimated at a current time by using measurement information of a current time that
is provided according to results of reliability determination by a standardized innovation determiner;

determining whether the innovation covariance ratio calculated by the quality estimation calculator is below the threshold;
and

providing state variables and covariance updated by a filter estimation updater in response to the innovation covariance ratio
being determined by a innovation covariance ratio determiner to be below the threshold.

US Pat. No. 9,489,259

LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 16200 AND CODE RATE OF 2/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...


US Pat. No. 9,485,665

NETWORK MANAGEMENT APPARATUS FOR PRIORITY CHANNEL ASSIGNMENT TO ACQUIRE AVAILABLE CHANNELS IN FREQUENCY SHARING AND METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A network management apparatus for priority channel assignment to acquire available channels in a frequency sharing band,
the apparatus comprising:
a signal intensity measurer measuring a received signal intensity for an input signal; and
a controller verifying usable candidate channels in the same channel and an adjacent channel of a TV band device (TVBD) for
each predetermined frequency based on the measured received signal intensity, verifying available channels of the TVBD based
on the verified usable candidate channels in the same channel and the adjacent channel, calculating the decreased number of
available channels of the TVBD predicted for each channel after channel reassignment, and assigning channels to be reassigned
based on the calculated decreased number of available channels of the TVBD.

US Pat. No. 9,467,977

APPARATUS AND METHOD FOR ALLOCATING RESOURCE IN COMMUNICATION SYSTEM

ELECTRONICS AND TELECOMMU...

1. An apparatus for allocating resources in a communication system, comprising:
a reception unit configured to receive terminal information from a terminal, when the terminal initially accesses the communication
system in order to receive communication service through satellite communication and terrestrial communication;

a determination unit configured to check bandwidth information for providing the communication service to the terminal, the
terminal information, satellite information for performing the satellite communication with the terminal, and base station
information for performing the terrestrial communication with the terminal, and configured to determine a size of a resource
block group to be allocated to the terminal, based on the bandwidth information, the terminal information, the satellite information,
and the base station information; and

an allocation unit configured to allocate resource blocks corresponding to the size of the resource block group to the terminal
in order to transmit and receive data packets of the communication service to and from the terminal,

wherein the terminal information includes type information of the terminal, transmission power information of the terminal,
and antenna gain information of the terminal,

wherein the type information includes using method information of the terminal, communication method information of the terminal,
and type information of the communication service,

wherein the determination unit checks an available bandwidth for transmitting and receiving the data packets to and from the
terminal, based on the bandwidth information,

wherein if a number of the resource blocks of the available bandwidth is 10 or less, the determination unit determines one
resource block as the size of the resource block group,

if a number of the resource blocks of the available bandwidth is more than 10 but 26 or less, the determination unit determines
two resource blocks as the size of the resource block group,

if the number of the resource blocks of the available bandwidth is more than 26 but 63 or less, determination unit determines
three resource blocks as the size of the resource block group, and

if the number of the resource blocks of the available bandwidth is more than 63, the determination unit determines four resource
blocks as the size of the resource block group.

US Pat. No. 9,448,270

PULSE INJECTION APPARATUS

ELECTRONICS AND TELECOMMU...

1. A pulse injection apparatus comprising:
an input connector;
an output connector; and
a main body including an inner plate connected at a first end thereof to the input connector and at a second end thereof to
the output connector, and a coupling plate connected to the inner plate and configured to fix a cable to the inner plate and
to couple a high-power electromagnetic pulse, which has a peak voltage of tens of kilovolts and a rising time of hundreds
of picoseconds or less and is input through the input connector, to the cable,

wherein each of the input connector and the output connector comprises an inner dielectric, a connector inner electrode formed
through the inner dielectric, an external ground part configured to ground the connector inner electrode, and an outer dielectric
configured to insulate a corresponding one of the input connector and the output connector from the inner plate when connecting
to the inner plate,

wherein the main body is formed in a structure of a closed strip line, and a size of the inner plate is determined so that
a characteristic impedance is 50 ohm, and

wherein the size of the inner plate is determined by the following equation:

where ?r denotes a dielectric constant of the inner dielectric, W denotes a width of the inner plate, b denotes a thickness of the
inner dielectric, and t denotes a thickness of the inner plate.

US Pat. No. 9,418,259

TAG TRANSMISSION APPARATUS AND SIGNAL TRANSMITTING METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A method of modulating and transmitting a plurality of data bits by a tag transmission apparatus, the method comprising:
converting the plurality of data bits into a first symbol, which is one of a plurality of symbols each including a basis waveform
that has a symbol section that is distinguishable from the symbol sections of the basis waveforms included in all others of
the plurality of symbols;

multiplying the first symbol by a square-wave having a predetermined frequency to thereby generate a first subcarrier signal;
and

transmitting the first subcarrier signal to a reader,
wherein a relationship between the number of data bits n in plurality of data bits and the number of symbols N in the plurality
of symbols may be expressed as N=2n, where n is a natural number greater than 2.

US Pat. No. 9,418,058

PROCESSING METHOD FOR SOCIAL MEDIA ISSUE AND SERVER DEVICE SUPPORTING THE SAME

Electronics and Telecommu...

1. A social media issue processing device, comprising:
a processor that executes program code stored on computer readable storage medium, the program code comprising:
question analyzing program code that analyzes a question type related with a question input based on a question pattern dictionary
which is stored in advance;

social media analyzing program code that performs issue period recognition for the question, question type based analysis,
question based summary creation, and question based reliability calculation; and

report creating program code that creates a summary in accordance with at least one of correlation between the question type
and the question based summary, correlation between the issue period and a question type based analysis result, and correlation
between the reliability and the question based summary.

US Pat. No. 9,377,908

HAPTIC ACTUATING TOUCH SCREEN

ELECTRONICS AND TELECOMMU...

1. A touch screen for generating a haptic sense, the touch screen comprising:
a first substrate;
a second substrate;
a first electrode disposed on a bottom surface of the first substrate;
a second electrode disposed on a top surface of the second substrate; and
a third electrode disposed below the second substrate,
wherein, when the portion of the first substrate is touched and the first electrode contacts the second electrode, the second
substrate is bent by an electrostatic force originating between the second electrode and the third electrode.

US Pat. No. 9,338,755

APPARATUS AND METHOD FOR RADIOSONDE POWER CONTROL BASED ON POSITION ESTIMATION

ELECTRONICS AND TELECOMMU...

1. A radiosonde system, comprising:
a radiosonde to observe weather information, receive Global Positioning System (GPS) information, and transmit a signal comprising
the observed weather information wherein the radiosonde periodically:

recognizes and estimates a current position based on the GPS information,
calculates a distance from the estimated current position to a receiver to receive the signal,
calculates a transmission power based on the calculated distance,
controls the transmission power based on the distance between the current position and the position of the receiver,
compares the calculated transmission power to a predetermined maximum transmission power, and:
when the calculated transmission power is less than or equal to the maximum transmission power, the radiosonde transmits the
signal using the calculated transmission power, and

when the calculated transmission power is greater than the maximum transmission power, the radiosonde updates the maximum
transmission power based on an elapsed period of time after the radiosonde is elevated and an expected period of time during
which the radiosonde is expected to operate.

US Pat. No. 9,332,440

METHOD OF FREQUENCY CHANNEL ASSIGNMENT USING EFFECTIVE SPECTRUM SENSING IN MULTIPLE FREQUENCY ASSIGNMENT SYSTEM

ELECTRONICS AND TELECOMMU...

1. A method of transmitting channel information for frequency channel assignment in a Base Station (BS), the method comprising:
maintaining information on a plurality of channel sets including an active set currently used for wireless regional area network
(WRAN) communication, a candidate set available for WRAN communication, and an occupied set occupied by incumbent;

transmitting information on the candidate set to a new customer premise equipment (CPE), wherein the BS receives channel sensing
information including channel state set information from the CPE for assigning a channel to one of the plurality of channel
sets,

wherein a duration of a sensing period is modified based on a type of a channel set among the plurality of channel sets.

US Pat. No. 9,332,590

WIRELESS COMMUNICATION APPARATUS AND METHOD FOR SELECTING A GROUP OF COORDINATED COMMUNICATION NODES BASED ON SIGNAL INTENSITIES AND DELAY TIMES OF SOURCE SIGNALS

ELECTRONICS AND TELECOMMU...

1. A base station for performing coordinated communication with a plurality of remote radio heads, comprising:
a processor; and
a non-transitory storage medium containing program instructions, execution of which by the processor causes the base station
to provide functions of:

a communication unit receiving source signals from the plurality of remote radio heads;
a measurement unit measuring signal intensities and delay times of the received source signals;
a selection unit selecting ones of the remote radio heads that will perform the coordinated communication, among the plurality
of remote radio heads, based on the signal intensities and the delay times; and

a demodulation unit demodulating source signals received from the selected ones of the remote radio heads.

US Pat. No. 9,319,241

FLOW-BASED PACKET TRANSPORT DEVICE AND PACKET MANAGEMENT METHOD THEREOF

Electronics and Telecommu...

1. A packet managing method of a packet forwarding device, comprising:
receiving a packet;
extracting flow information from the packet;
searching a flow entry associated with the packet;
searching a flow entry request table, when a flow entry associated with the packet is not found, to judge whether a request
on another flow entry corresponding to the same flow is transferred to the controller within a reference time or not;

reserving a request of transmitting the flow entry associated with the packet when a request on the other flow entry corresponding
to the same flow is transferred to the controller within the reference time; and

transferring the request of transmitting the flow entry associated with the packet to a controller after the reference time,
wherein when the request on the flow entry associated with the packet is determined to already be transferred to the controller
once, the request is not repeatedly transferred within a reference time.

US Pat. No. 9,294,590

FRAME CONVERSION APPARATUS FOR CONVERTING CONTROLLER AREA NETWORK FRAME INTO ETHERNET FRAME AND FRAME CONVERSION METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A frame conversion apparatus for converting a Controller Area Network (CAN) frame into an Ethernet frame, the apparatus
comprising:
a hardware computing device, and
a non-transitory storage medium containing program instructions stored thereon, execution of which by the hardware computing
device causes the frame conversion apparatus to provide functions of:

a CAN frame receiving unit configured to receive CAN frames from a CAN network domain;
a CAN frame analysis unit configured to analyze the CAN frames received by the CAN frame receiving unit, and extract data
to be transmitted;

an Ethernet frame generating unit configured to generate an Ethernet frame including an identifier, a first frame region which
is selective and includes information about a length of data transmitted, and a plurality of second frame regions which selectively
include information about a data segment assembly sequence, as a data field, wherein the data extracted by the CAN frame analysis
unit to be transmitted is disassembled into segments of data in units of a certain number of bytes and the disassembled segments
of data are arranged by distribution to the first frame region and the second frame regions; and

an Ethernet frame transmitting unit configured to transmit the Ethernet frame generated by the Ethernet frame generating unit
to an Ethernet network domain, wherein

the Ethernet frame generating unit, in a case in which all of the second frame regions cannot be transmitted in a single Ethernet
frame and are transmitted in a plurality of Ethernet frames, includes only the identifier and the second frame regions, not
the first frame region, in a second and following Ethernet frames, and includes the information about the data segment assembly
sequence in each preceding second frame region among second frame regions included in the second and following Ethernet frames.

US Pat. No. 9,271,364

METHOD AND APPARATUS FOR INTEGRATED LIGHTING CONTROL ACCORDING TO POWER RESERVE STAGE

ELECTRONICS AND TELECOMMU...

1. An apparatus for integrated lighting control, comprising:
a lighting control result receiver configured to receive, from a lighting controller, lighting control result data;
a power reserve stage determination unit configured to determine a power reserve stage based on the received lighting control
result data; and

a power reserve stage issuer configured to transmit power reserve stage information based on the determined power reserve
stage to the lighting controller,

wherein the lighting control result data is based on a lighting identification number and control result information of a
light source.

US Pat. No. 9,253,858

LIGHTING NETWORK CONTROL APPARATUS AND METHOD

Electronics and Telecommu...

1. A method of operating a lighting network control apparatus including a control device and a plurality of control gears,
the method comprising:
assigning, by the control device, a right to use a lighting network to a first one of the control gears,
wherein the assigning the right to use includes successively sending an address value to the first one of the control gears
more than once;

checking, by the first control gear, whether there is data to be sent to the control device, and, if there is data to be sent,
sending, by the first control gear, the data to the control device using the right to use the lighting network; and

once the data has been sent, assigning, by the first control gear, the right to use the lighting network to another control
gear.

US Pat. No. 9,231,291

ELECTROMAGNETIC BANDGAP STRUCTURE AND METHOD FOR MANUFACTURING ELECTROMAGNETIC BANDGAP STRUCTURE

Electronics and Telecommu...

1. An electromagnetic bandgap structure comprising:
a ground layer;
a first power layer facing an upper portion of the ground layer with a dielectric interposed and comprising at least one first
patch and at least one first branch; and

a second power layer facing an upper portion of the first power layer with a dielectric interposed and comprising at least
one second patch and at least one second branch,

wherein the at least one first patch is an impedance patch having a lowest characteristic impedance, and
wherein the at least one first branch is an impedance branch having a lower characteristic impedance than the at least one
second branch.

US Pat. No. 9,225,981

IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR SAME

Electronics and Telecommu...

1. A video encoding apparatus comprising:
a prediction block generating unit to generate a prediction block by performing prediction on a prediction target pixel in
a current block based on an intra prediction mode of the current block; and

a reconstructed block generating unit to generate a reconstructed block based on the prediction block and a reconstructed
residual block corresponding to the current block,

wherein the prediction block generating unit performs the prediction on the prediction target pixel based on a first offset
when the intra prediction mode of the current block is a vertical mode and the prediction target pixel is a pixel on a left
vertical pixel line, and performs the prediction on the prediction target pixel based on a second offset when the intra prediction
mode of the current block is a horizontal mode and the prediction target pixel is a pixel on an upper horizontal pixel line,
and

wherein the prediction block generating unit derives a prediction value of the prediction target pixel by adding a value of
the second offset to a pixel value of a first reference pixel present on the same horizontal line as a horizontal line on
which the prediction target pixel is present among reconstructed reference pixels adjacent to a left portion of the current
block when the intra prediction mode of the current block is the horizontal mode and the prediction target pixel is the pixel
on the upper horizontal pixel line,

the left vertical pixel line being one vertical pixel line positioned at a leftmost side of the current block, the upper horizontal
pixel line being one horizontal pixel line positioned at an uppermost side of the current block, the first offset being determined
based on a difference value of pixel values of two reference pixels, and the second offset being determined based on a difference
value of pixel values of two reference pixels, and

the value of the second offset being determined based on a difference value between a pixel value of a second reference pixel
adjacent to an upper portion of the prediction target pixel and a pixel value of a third reference pixel adjacent to an upper
portion of the first reference pixel.

US Pat. No. 9,215,187

PACKET TRANSPORT SYSTEM AND TRAFFIC MANAGEMENT METHOD THEREOF

Electronics and Telecommu...

1. A method of managing traffic of a packet transport system, comprising:
calculating an average queue size of input traffic with reference to a link capacity;
differently applying allowable length and drop probability with respect to the calculated average queue size according to
one or more marked colors of input packets,

wherein the input traffic includes a continuity check message (CCM) packet for operation, administration and maintenance (OAM);
checking whether a traffic manager is based on a hierarchical queue or not,
wherein if it is checked that the traffic manager is based on the hierarchical queue, the allowable length and drop probability
with respect to the average queue size are differently applied according to the marked colors of input packets;

applying a weighted random early drop (WRED) algorithm to a queue level corresponding to a physical port of the input packet
when the traffic manager is based on the hierarchical queue; and

applying the WRED algorithm to a queue level corresponding to a transmission level switch path (LSP) or a service LSP of the
input packet.

US Pat. No. 9,214,971

APPARATUS AND METHOD FOR EVALUATING STATISTICAL INTERFERENCE CONCERNING MULTI-SOURCE NOISE ENVIRONMENT OF ELECTROMAGNETIC ZONE

Electronics and Telecommu...

1. An apparatus for evaluating statistical interference, the apparatus comprising:
a receiver to receive an electromagnetic (EM) wave in a preset frequency band;
a spectrum analyzer to analyze the received EM wave and to measure interference in the preset frequency band;
a frequency selector to select an interest frequency in the frequency band based on a level of the measured interference;
an amplitude probability distribution (APD) measurement unit to measure an APD of an interference signal with respect to the
interest frequency;

a comparator to compare the measured APD to a limit and to determine a probability of a limit of interference or higher occurring;
and

a limit calculation unit to calculate the limit based on an interference evaluation model in consideration of a multi-source
noise environment of a region defined as the same EM wave environment.

US Pat. No. 9,193,173

METHOD AND APPARATUS FOR PREVENTING ILLEGITIMATE EXIT OF PRINTED DOCUMENT BY APPLYING SECURITY MATERIAL

ELECTRONICS AND TELECOMMU...

1. A method of preventing illegitimate exit of a printed document by applying a security material, the method comprising:
an exit registration step of generating, by an exit registration apparatus, information about a printed document of an electronic
document and sending, by the exit registration apparatus, the information to an exit management server so that, the information
about the printed document is registered;

a secure document output step of printing, by a security printer, content of the electronic document and a security identifier
of the electronic document on printing paper, applying, by the security printer, a security material to the printing paper,
and outputting, by the security printer, a secure printed document; and

a printed document exit checking step of checking, by an illegitimate exit detection apparatus, whether the security material
has been applied to the secure printed document, detecting, by the illegitimate exit detection apparatus, the security identifier,
and determining, by the illegitimate exit detection apparatus, whether the secure printed document is to be exited;

wherein the security identifier comprises the information about the printed document of the electronic document, and the information
about the printed document of the electronic document comprises information about a unique value that can uniquely identify
the printed document.

US Pat. No. 9,191,142

OPTICAL NETWORK UNIT HAVING POWER SAVING FUNCTION AND POWER SAVING METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. An optical network unit (ONU) having a power saving function, comprising:
a first signal transmitter-receiver unit configured to transmit and receive a signal to and from an optical line terminal
(OLT);

a second signal transmitter-receiver unit configured to transmit and receive a signal to and from customer premises equipment
(CPE) through a plurality of communication ports;

a signal processing unit configured to control a signal to be transmitted and received through the first signal transmitter-receiver
unit and the second signal transmitter-receiver unit; and

a processor configured to control powers of the first signal transmitter-receiver unit and the signal processing unit according
to whether data traffic is received through the plurality of communication ports;

wherein the processor performs an analysis of each of communication port-specific alarm signals indicating an absence of traffic
for a preset time and respectively corresponding to the plurality of communication ports, and operates a sleep mode of the
ONU in a full sleep mode if the analysis indicates that all of the plurality of communication ports have output the communication
port-specific alarm signal, or a operates a partial sleep mode of the ONU if the analysis indicates that fewer than all of
the plurality of communication ports have output the communication port-specific alarm signal.

US Pat. No. 9,178,032

GAS SENSOR AND MANUFACTURING METHOD THEREOF

ELECTRONICS AND TELECOMMU...

3. A manufacturing method of a gas sensor, the method comprising:
forming a substrate;
forming a sensing electrode on the substrate;
forming an upper insulating layer on the sensing electrode and the substrate;
forming an upper heater layer on the upper insulating layer; and
patterning the upper heater layer and the upper insulating layer to form upper insulating patterns and upper heaters at both
side end portions of the sensing electrode,

wherein:
the substrate, the sensing electrode, the upper insulating patterns and the upper heaters are stacked in this order;
the sensing electrode is combined with materials to be sensed of a gas;
the upper heaters are electrically insulated from the sensing electrode; and
the upper heaters comprise graphene.

US Pat. No. 9,177,821

METHOD OF FABRICATING ELECTRONIC CIRCUIT

ELECTRONICS AND TELECOMMU...

1. A method of fabricating an electronic circuit, the method comprising:
preparing a substrate including a device region and a wiring region;
forming a polymer film on the substrate;
patterning the polymer film to form a first polymer pattern on the device region of the substrate; and
forming an electronic device on the first polymer pattern;
forming a first metal wiring conformally on the wiring region, the first metal wiring being disposed on an upper surface of
the first polymer pattern, between the first polymer pattern and the electronic device.

US Pat. No. 9,160,638

METHOD AND APPARATUS FOR PERFORMING NON REAL TIME SERVICE IN DIGITAL BROADCAST SYSTEM

Electronics and Telecommu...

1. A non real-time broadcast receiving system, comprising:
a non real-time service decoder dividing received non real-time service content into a transmission block according to a protocol;
a service content manager monitoring whether the receive of the non real-time service content stops and acknowledging a schedule
regarding whether a portion with errors in the non real-time service content is retransmitted;

a memory storing a portion without errors in the non real-time service content when the receive of the non real-time service
content stops;

a file checker checking whether errors are produced during the receive of the non real-time service content and determining
whether the portion with errors in the non real-time service content is retransmitted;

a retransmission request signal generator generating a retransmission request signal requesting the retransmission of the
portion with errors in the non real-time service content, when it is acknowledged that the schedule is not present;

a return channel transmitter transmitting the retransmission request signal through a return channel network; and
a return channel receiver receiving data corresponding to the portion with error in the non real-time service content retransmitted
by the retransmission request signal through the return channel network,

wherein the portion with errors in the non real-time service content is received at a reserved time without transmitting the
retransmission request signal when it is acknowledged that the schedule is present.

US Pat. No. 9,154,741

APPARATUS AND METHOD FOR PROCESSING DATA OF HETEROGENEOUS SENSORS IN INTEGRATED MANNER TO CLASSIFY OBJECTS ON ROAD AND DETECT LOCATIONS OF OBJECTS

ELECTRONICS AND TELECOMMU...

1. An apparatus for processing data of heterogeneous sensors in an integrated manner to classify one or more objects on a
road and detect locations of the objects, the apparatus comprising:
a camera image processing unit configured to generate results of processing of camera images based on the camera images collected
from one or more cameras installed on the road;

a scanning information processing unit configured to generate results of processing of scanning information based on the scanning
information collected from one or more laser scanners installed on the road; and

an integrated processing unit configured to generate types and final locations of the objects located on the road by processing
the generated results of the processing of the camera images and the generated results of the processing of the scanning information
in an integrated manner;

wherein the integrated processing unit:
maps the objects on the road to an integrated object sensing map composed of grid cells based on the results of the processing
of the camera images and the results of the processing of the scanning information;

calculates a period and probability of each of grid cells of the integrated object sensing map, to which the objects have
been mapped, being occupied;

if the calculated probability of being occupied is equal to or higher than a set threshold value, determines an identity for
each grid cell by comparing an object type ID of an object occupying the grid cell with an object ID of the object, and, if
the identity for each grid cell is normal, sets an object type ID for the grid cell; and

sets an average representative location of estimated locations of the results of processing of the laser scanner-related information
as a final location of a corresponding object.

US Pat. No. 9,142,051

METHOD FOR GENERATING DIGITAL INTERIOR MAP

ELECTRONICS AND TELECOMMU...

1. A method of generating a digital interior map, comprising:
applying, in a computer system comprising a processor and a memory, a coordinate system for a drawing of an interior of a
structure;

extracting center coordinate information of each sectional space of the interior of the structure and extracting entrance
coordinate information of an entrance providing a point of entry or exit to an interior of the structure from outside or an
entrance providing a point of passage between floors of the structure;

generating, in the drawing, a circulation path in the interior of the structure;
extracting interest points at preset intervals along the circulation path in the interior of the structure; and
setting coordinate information and attribute information of each of the interest points, and wherein
the generating the circulation path in the interior of the structure comprises generating a circulation walking path, spaced
apart from the boundaries of each sectional space by a preset interval, within one or more sectional spaces or areas including
a corridor and a passage through which a walker may pass,

generating a circulation entrance path for a walker's passage between floors or for a walker's passage from outside the structure;
and

connecting the circulation walking path and the circulation entrance path,
wherein the circulation path in the interior of the structure comprises a plurality of closed loops and a single-line circulation
path connected to the closed loops.

US Pat. No. 9,135,926

APPARATUS AND METHOD OF ENHANCING QUALITY OF SPEECH CODEC

ELECTRONICS AND TELECOMMU...

1. A speech codec quality improving apparatus comprising:
a computer system comprising a processor and a memory;
an energy calculation unit operating on the computer system and adapted to calculate an energy of a signal decoded by a low-band
codec and low-band enhancement mode; and

a scaling unit operating on the computer system and adapted to scale a size of the decoded signal by a gain when the gain
is less than a threshold value, and

wherein the low-band codec uses a G.711 codec,
wherein the scaling unit performs the scaling in a silent segment,
wherein the gain is based on the energy of current and previous frame and further calculated in the sample by sample,
wherein the energy calculation unit calculates the energy of the low-band decoded signal in units of frames, energy of one
of the frames is calculated by summing energies of the samples, and

wherein the scaling unit is adapted to scale in units of samples for the size of the decoded signal.

US Pat. No. 9,119,267

APPARATUS AND METHOD FOR CONTROLLING FAULT IN LIGHTING NETWORK

Electronics and Telecommu...

1. An apparatus for controlling a fault in a lighting network, comprising:
power selection units respectively provided in a plurality of lighting units connected to one another over a network, each
power selection unit being configured to compare a reference voltage with an output voltage sensed from power supply signals
input from power supply units respectively provided in a lighting unit located ahead of a faulty lighting unit and in the
faulty lighting unit if a fault occurs in the lighting unit, and to select supply power to be supplied to the faulty lighting
unit; and

lighting control units for controlling driving of the faulty lighting unit using the selected supply power.

US Pat. No. 9,119,158

APPARATUS AND METHOD FOR MONITORING BATTERY LIFESPAN OF MACHINE TYPE COMMUNICATION DEVICE

Electronics and Telecommu...

1. A machine type communication terminal operating in a mobile communication network that includes at least one machine type
communication terminal, the machine type communication terminal comprising:
a communication module for exchanging data;
a battery residual capacity detector to detect a residual capacity of a battery power supply when a timer event occurs;
a memory to store information about a point in time for detecting the residual capacity of the battery power supply and information
about a threshold required for power supply;

a controller to determine whether the residual capacity of the battery power supply is less than or equal to the threshold
required for the power supply, and to warn against a shortage of the residual capacity of the battery power supply; and

a timer to count a period of the timer event regarding when to detect the residual capacity of the battery power supply,
wherein an initial point in time regarding when to detect the residual capacity of the battery power supply is predetermined,
and the timer event is reset by the controller to a point in time before the residual capacity of the battery power supply
is exhausted.

US Pat. No. 9,111,142

METHOD AND APPARATUS FOR PROVIDING SIGN INFORMATION

ELECTRONICS AND TELECOMMU...

1. A sign information providing method comprising:
extracting a first sign from a first area within an input image of an object, wherein the first sign is pre-defined;
extracting a second sign from a second area of the input image, the second sign representing information corresponding to
the first sign around a location of the first sign on the object; and

providing at least one piece of information about the first sign and information about the second sign in the form of a voice
message.

US Pat. No. 9,112,606

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA USING VISIBLE LIGHT COMMUNICATION

Electronics and Telecommu...

1. A transmitting apparatus of data using visible light communication, the transmitting apparatus comprising:
a code generator that converts transmission data to a two-dimensional data code according to a predetermined code method between
the transmitting apparatus and a receiving apparatus;

a modulation unit that generates a modulation signal by modulating the two-dimensional data code;
a plurality of light emitting diodes (LED) that are arranged in a two-dimensional form and that emit light when turned on;
a light source driver that controls a state of turn-on of the plurality of LEDs according to the modulation signal; and
a controller that performs a motion control when a size of the transmission data is larger than a size of maximum data to
be transmit by the plurality of LEDs,

wherein the transmission data is transmitted according to the state of turn-on of the plurality of LEDs,
wherein the code generator divides the transmission data into a predetermined size according to the motion control, generates
each data into a two-dimensional data code, and sequentially outputs each two-dimensional data code to the modulation unit,

wherein the each two-dimensional data code has different color and pattern.

US Pat. No. 9,106,335

AUTOMATIC WAVELENGTH RECOGNITION APPARATUS AND METHOD

Electronics and Telecommu...

6. A wavelength recognition method comprising:
receiving a single optical signal and dividing the received optical signal into a plurality of optical signals;
filtering the optical signals using a plurality of filters having different wavelength-dependent pass characteristics;
detecting the filtered optical signals and measuring intensities of the detected optical signals;
comparing any two of a plurality of intensity values of the filtered optical signals which indicate the different wavelength-dependent
pass characteristics of any two of the filter units and calculating a difference value between the two intensity values; and

determining a wavelength of the above single optical signal by comparing the difference value with a pre-stored look-up table.

US Pat. No. 9,099,839

COHERENT WAVELENGTH TUNABLE LASER APPARATUS

ELECTRONICS AND TELECOMMU...

1. A wavelength tunable laser apparatus, comprising:
a first substrate configured to reflect inflow laser light, and tune a wavelength of the reflected laser light, the first
substrate including a wavelength tunable reflection unit configured to reflect laser light entering from the outside, and
select and tune a wavelength of the reflected laser light; and

a second substrate configured to adjust a gain of the laser light input from the first substrate, reflect a specific wavelength
of the laser light, and adjust a phase of oscillated laser light, the second substrate including:

an optical gain unit configured to adjust a gain of the laser light input from the first substrate;
a ring resonator unit configured to reflect a specific wavelength of the laser light transmitted from the optical gain unit,
and output the laser light to a phase modulation unit; and

a phase modulation unit configured to modulate a phase of the laser light output from the ring resonator unit,
wherein the first substrate and the second substrate are formed in a single package form.

US Pat. No. 9,094,179

APPARATUS FOR PROVIDING MULTIMEDIA SERVICES AND METHOD THEREOF

Electronics and Telecommu...

1. A transmitter of providing a multimedia service in a multimedia service providing apparatus, comprising:
a Multiple Description Coding (MDC) unit configured to perform MDC on at least one source, and to output a description sequence
for the at least one source;

a Unequal Error Protection (UEP) grouping unit configured to output a UEP description sequence having a different number of
description sequences constituting the description sequence according to a UEP level to which an importance level of the at
least one source has been reflected;

a transmission code block processor configured to segment the UEP description sequence, to modulate each segmented UEP description
sequence, and to generate a transmission block; and

an antenna mapping unit configured to duplicate the transmission block, to generate a plurality of the same transmission blocks,
and to map the respective transmission blocks to at least one transmission antenna.

US Pat. No. 9,077,477

CONTINUOUS-MODE WAVELENGTH CONVERSION APPARATUS, BURST-MODE WAVELENGTH CONVERSION APPARATUS, REMOTE TERMINATION APPARATUS AND CENTRAL OFFICE TERMINATION APPARATUS

ELECTRONICS AND TELECOMMU...

1. An optical transmission and reception system for an optical network comprising:
a remote termination apparatus configured to separate a burst-mode upstream wavelength signal received from a first apparatus
into a first burst-mode upstream wavelength signal and a second burst-mode upstream wavelength signal and to convert the first
burst-mode upstream wavelength signal and the second burst-mode upstream wavelength signal into a first continuous-mode upstream
wavelength signal and a second continuous-mode upstream wavelength signal, respectively, in a wavelength division multiplexing
(WDM) scheme; and

a central office termination (COT) apparatus configured to receive the first continuous-mode upstream wavelength signal and
the second continuous-mode upstream wavelength signal from the remote termination apparatus, to convert the first continuous-mode
upstream wavelength signal and the second continuous-mode upstream wavelength signal into the first burst-mode upstream wavelength
signal and the second burst-mode upstream wavelength, respectively, and to transmit the converted wavelength signals to a
second apparatus,

wherein a transfer rate of the first burst-mode upstream wavelength signal is different from a transfer rate of the second
burst-mode upstream wavelength signal.

US Pat. No. 9,078,093

APPARATUS AND METHOD FOR RECOGNIZING TARGET MOBILE COMMUNICATION TERMINAL

Electronics and Telecommu...

1. A method for a mobile communication terminal to recognize a target mobile communication terminal, the method comprising:
acquiring own location information of the mobile communication terminal;
creating identification verification information using the location information, the identification verification information
containing an identification formula for identifying the target mobile communication terminal as a target of communication;

transmitting the created identification verification information to at least one other mobile communication terminal within
a communication coverage area;

receiving an identification response packet from the at least one other mobile communication terminal which has received the
identification verification information, the identification response packet indicating whether the other mobile communication
terminal is a target mobile communication terminal; and

determining the target mobile communication terminal based on the received identification response packet,
wherein the at least one other mobile communication terminal executes the identification formula by using own location information
of the at least one other mobile communication terminal to determine whether the at least one other mobile communication terminal
is the target mobile communication terminal.

US Pat. No. 9,066,254

MOBILE STATION, BASE STATION, AND RELAY STATION FOR A WIRELESS ACCESS SYSTEM

Electronics and Telecommu...

1. A mobile station of a wireless access system, comprising:
a first function block configured to perform radio resource control and management as a medium access control (MAC) layer,
and to reside on a control plane; and

a second function block configured to perform medium access control as the MAC layer, and to reside on the control plane and
a data plane,

wherein the first function block comprises
a direct communication management block configured to support a direct communication between the mobile station and other
mobile station,

a multi-mode management block configured to control the mobile station to perform a role of a relay station or a base station,
a multicast management block configured to perform a group communication through a multicast group including the mobile station,
and

a path management block configured to manage a path for the direct communication,
wherein the multi-mode management block comprises:
a multi-mode configuration and control management block configured to perform configuration and control for a role of the
mobile station;

a connection maintenance management block configured to maintain or change a current service; and
a link measurement and report management block configured to measure radio link quality of the mobile station, and to report
the radio link quality to other station.

US Pat. No. 9,058,322

APPARATUS AND METHOD FOR PROVIDING TWO-WAY AUTOMATIC INTERPRETATION AND TRANSLATION SERVICE

ELECTRONICS AND TELECOMMU...

1. An apparatus for providing a two-way automatic interpretation and translation service, comprising:
a first interpretation and translation unit for interpreting and translating a first language into a second language;
a second interpretation and translation unit for interpreting and translating the second language into the first language;
and

a context information management unit for receiving conversational context and translation history information processed when
translation is performed from the first and second interpretation and translation units, and sharing and managing the conversational
context and translation history information,

wherein each of the first and second interpretation and translation units provides an interpretation service for receiving
an input conversation in the first language or the second language in a form of speech and outputting results of interpretation
of the input conversation in the form of speech in the second language or the first language, and a translation service for
receiving an input conversation in the first language or the second language in a form of text and outputting results of translation
of the input conversation in a form of text in the second language or the first language.

US Pat. No. 9,058,891

EEPROM CELL AND EEPROM DEVICE

ELECTRONICS AND TELECOMMU...

1. An EEPROM cell, comprising:
a control gate;
a tunneling plate;
a floating plate configured to form a capacitor area with the control plate and the tunneling plate;
an inverter configured to sense a voltage level of the floating plate;
a first transfer gate connected with the tunneling plate and configured to transfer an operating voltage selectively applied
from first and second bit lines to the tunneling plate;

a protection circuit connected with sources of the inverter to be floated when performing write and erase operations of an
adjacent EEPROM cell; and

a second transfer gate configured to transfer an output voltage of the inverter.

US Pat. No. 9,053,525

ENTROPY CODING METHOD USING AN INDEX MAPPING TABLE, AND IMAGE-ENCODING/DECODING APPARATUS AND METHOD USING SAID ENTROPY CODING METHOD

Electronics and Telecommu...

1. An image decoding method, comprising:
mapping a received codeword to a specific code number with reference to an inverse codeword mapping table and calculating
the mapped code number in a form of a table index; and

updating an inverse index mapping table based on at least one of a cumulative number of times that the specific code number
has been generated, a consecutive number of times that the specific code number has been generated, coding/decoding information
about a peripheral block, and critical value information for updating the inverse index mapping table, wherein

at least one of the mapping and the updating are performed by a hardware apparatus.

US Pat. No. 10,412,741

COMMUNICATION METHOD AND APPARATUS USING NETWORK SLICING

ELECTRONICS AND TELECOMMU...

1. A communication method, the method comprising:identifying a S-NSSAI (single network slice selection assistance information) of a network slice for a network; and
selecting the network slice using the S-NSSAI,
wherein the network slice is logical network which provides a network capability and a network characteristic,
wherein the S-NSSAI includes a slice/service type (SST), which refers an expected behavior of the network slice in terms of a feature and a service and wherein the S-NSSAI includes a slice differentiator (SD) which complements a slice/service type.

US Pat. No. 10,251,674

MANUAL FOLLICLE-TRANSPLANTING HAIR TRANSPLANTER FOR INCREASING GRAFT SURVIVAL RATE

Electronics and Telecommu...

1. A manual follicle-transplanting hair transplanter for increasing a graft survival rate, the manual follicle-transplanting hair transplanter comprising:a needle member having a lower end containing a follicle to be transplanted and having a head having a larger diameter than a portion below the head at an upper end thereof;
a rod member inserted into the needle member and having a push portion having a larger diameter than a portion below the push portion at an upper end thereof;
an inner body configured to contain the needle member and limit downward movement of the needle member; and
an outer body configured to contain the inner body and limit upward movement of the needle member,
wherein the needle member is automatically withdrawn when a spring in a compressed state and disposed in the inner body expands and pushes up a lower surface of the head,
wherein the inner body has a support member for supporting an upper end of the spring in the compressed state,
wherein the needle member is movable into or out of openings formed in the inner body.

US Pat. No. 10,200,125

RADIO-OVER-FIBER (ROF) TRANSMISSION SYSTEM

ELECTRONICS AND TELECOMMU...

1. An analog radio-over-fiber (RoF) transmission system comprising:an optical line terminal (OLT) configured to convert a radio signal received from at least one BBU (Baseband Unit) into an optical signal;
an optical distribution network (ODN) comprising an optical fiber and an optical splitter: and
at least one optical network unit (ONU) configured to receive the optical signal transmitted from the OLT via the ODN and to convert the optical signal into a radio signal and to output the radio signal to at least one of RRH (Remote Radio Head),
wherein the BBU is connected to a core network of a service provider that provides mobile internet services,
wherein the OLT is connected to the at least one BBU via a service node interface (SNI) corresponding to a first reference point, wherein the ONU is connected to the at least one RRH via a user node interface (UNI) corresponding to a second reference point, and wherein the SNI and the UNI are set differently based on the service provided by the service provider,
wherein the first reference point and the second reference point are used to define a signal type and allowable signal delay or latency within the analog RoF system,
wherein the analog RoF transmission system has (i) a point-to-point configuration comprising a single OLT, and a single ONU connected to the ODN and (ii) a point-to-multipoint comprising a single OLT and a plurality of ONU connected to the ODN,
wherein an interface S/R is located between the OLT and the ODN, an interface R/S is located between the ODN and the ONU wherein the interface S is a point on the optical fiber immediately subsequent to an optical connection point of the OLT (downstream”) or the ONU (upstream) including an optical connector, or optical splice, and the interface R is a point on the optical fiber immediately subsequent to an optical connection point of the ONU (downstream) or the OLT (upstream) including an optical connector, or optical splice,
wherein the analog RoF system is applied to wavelength-division-multiplexing (WDM) wherein the analog RoF system is applied to electrical combiner configured to combine radio signals, and electrical splitter configured to splitter the radio signal,
wherein a frequency in the optical signal transmitted via the ODN is same as or is different from a frequency of the radio signal used by the ONU,
wherein the RRH includes a radio frequency (RF1 circuitry, a frequency up/down converter, a plurality of antennas equipped with amplifiers to support a multiple-input and multiple-output (MIMO) configuration, a power amplifier and a noise amplifier.

US Pat. No. 10,194,167

METHOD FOR INDUCING PREDICTION MOTION VECTOR AND APPARATUSES USING SAME

Electronics and Telecommu...

1. A video decoding apparatus comprising:an entropy decoding processor configured to decode information on a prediction motion vector used to perform inter prediction on a prediction target block among candidate prediction motion vectors comprised in a candidate prediction motion vector list; and
a prediction processor configured to generate the candidate prediction motion vector list by determining information on a plurality of spatial candidate prediction motion vectors from a neighboring prediction block to the prediction target block and determining information on a temporal candidate prediction motion vector based on the information on the plurality of spatial candidate prediction motion vectors, wherein
the information on the plurality of spatial candidate prediction motion vectors comprises at least one of first spatial candidate prediction motion vector availability information and a first spatial candidate prediction motion vector and at least one of second spatial candidate prediction motion vector availability information and a second spatial candidate prediction motion vector,
the information on the temporal candidate prediction motion vector comprises at least one of temporal candidate prediction motion vector availability information and the temporal candidate prediction motion vector, and
the prediction processor is configured to determine the information on the temporal candidate prediction motion vector by performing a process of deriving the information on the temporal candidate prediction motion vector when at least one of the first spatial candidate prediction motion vector and the second spatial candidate prediction motion vector is unavailable or when both the first spatial candidate prediction motion vector and the second spatial candidate prediction motion vector are available and the first spatial candidate prediction motion vector and the second spatial candidate prediction motion vector are the same as each other.

US Pat. No. 10,178,418

METHOD AND SYSTEM FOR PROCESSING MPEG DATA

Electronics and Telecommu...

1. A method of processing MPEG data performed by one or more processor, the method comprising:identifying timed media data and non-time media data;
generating at least one media processing unit (MPU) related to media transport asset based on the timed media data and non-time media data using;
providing the MPU as encapsulated and packetized data format,
wherein the each MPU includes a plurality of Access Unit(AU) derived from the timed media data or non-timed media data.

US Pat. No. 10,165,584

COMMUNICATION BASED ON FREQUENCY SELECTIVE TRANSMISSION IN WIRELESS LOCAL AREA NETWORK

ELECTRONICS AND TELECOMMU...

1. A wireless communication method performed by an access point (AP), the method comprising:transmitting an announcement frame through a channel including a plurality of subchannels;
transmitting, a Short Inter-Frame Space (SIFS) after the announcement frame, a sounding frame for channel sounding through the channel including the plurality of subchannels;
receiving feedback frames including feedback information of the stations from the stations simultaneously, wherein the feedback frames for respective stations are transmitted through the subchannels allocated to the stations;
scheduling communications between the AP and the stations based on the selected subchannels; and
transmitting a data frame to the stations or receiving a data frame from the stations through the subchannels based on a scheduling result,
wherein the announcement frame includes station information indicating stations being requested to transmit feedback and frequency resource information for which the AP requests feedback.

US Pat. No. 10,142,953

METHOD AND APPARATUS FOR PERFORMING SYNCHRONOUS HARQ OPERATION ACCORDING TO VARIABLE TTI ALLOCATION

Electronics and Telecommu...

1. A method for performing a synchronous hybrid automatic repeat reQuest (HARQ), comprising:allocating a length of a transmission time interval (TTI) with variable size per HARQ process;
transmitting resource allocation information including a duration field corresponding to a length of a TTI allocated to each of the HARQ processes;
determining whether an HARQ error occurs at predetermined timing after the resource allocation information is transmitted; and
when the HARQ error occurs, handling the HARQ error,
wherein a new HARQ round trip time (RTT) for retransmission in a terminal is determined according to the length of the TTI corresponding to the duration field and then a transmission timing for next retransmission is determined according to the new HARQ RTT.

US Pat. No. 10,109,193

SYSTEM AND METHOD FOR CONTROLLING SAFETY MESSAGE TRANSMISSION BETWEEN GROUP DRIVING VEHICLES

ELECTRONICS AND TELECOMMU...

1. A system for controlling safety message transmission between group driving vehicles, the system comprising:a setting unit configured to set a transmission time interval and a transmission power of a safety message;
a message type determination unit configured to analyze a safety message received, and determine whether the safety message is a general safety message or an emergency safety message;
a reception state determination unit configured to determine a reception state of the safety message transmitted from the message type determination unit; and
a control unit configured to generate a new transmission time interval and a new transmission power for safety message transmission based on a value of the reception state determined by the reception state determination unit, and transmit the generated new transmission time interval and new transmission power to the setting unit,
wherein the reception state determination unit determines the reception state of the safety message transmitted from the message type determination unit by calculating a mean reception time difference based on the safety message currently received and previously received safety messages.

US Pat. No. 10,101,707

METHOD AND APPARATUS FOR CORRECTING DISTORTION OF 3D HOLOGRAM

ELECTRONICS AND TELECOMMU...

1. A method of correcting a distortion of a three-dimensional (3D) hologram performed by an apparatus for correcting a distortion of a 3D hologram, the method comprising:generating a sliced two-dimensional (2D) section of a hologram by slicing the hologram while performing translation in an optical axis direction;
obtaining a sliced image of the hologram from a sequence of images of generated sliced 2D sections using a focusing function of a camera;
analyzing a distortion of the obtained sliced image occurring due to an optical system of a display; and
generating a computer-generated hologram (CGH) by correcting the analyzed distortion of the sliced image,
wherein the analyzing is configured to set a number of sliced images to be obtained, determine a distance using the set number of the sliced images, and correct, through the interpolation, a distortion of a remaining sliced section among the sliced 2D sections from which the sliced images are excluded.

US Pat. No. 10,097,459

APPARATUS AND METHOD FOR HIGH-SPEED DATA TRANSMISSION BETWEEN VIRTUAL DESKTOPS

Electronics and Telecommu...

1. An apparatus for high-speed data transmission between virtual desktops, comprising:one or more processors that process computer executable program code embodied in computer readable storage media, the computer executable program code comprising:
a reception program code that receives data that is transmitted by virtual desktop servers inside a virtual desktop host server;
a destination determination program code that determines whether a destination of the data is an inside of the host server or an outside of the host server based on network identifiers set for the respective virtual desktop servers; and
a transmission program code that sets up a data transmission method based on the destination of the data and to transmit the data using the transmission method,
wherein the network identifiers is generated by the virtual desktop management module inside the host server when a virtual desktop server is generated,
wherein the network identifiers is generated by sequentially combining the vendor ID corresponding to the virtual desktop server, the host ID corresponding to the MAC address of the host server, and 8-bit information,wherein the transmission program code, when the destination of the data is the inside of the host server, sets a size of a maximum transmission unit (MTU) to a maximum value such that the transmission rate is maximized.

US Pat. No. 10,091,110

EDGE-BASED LOAD SHEDDING SYSTEM FOR FAST DATA ANALYSIS AND OPERATING METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. An edge-based load shedding system comprising:an analysis server configured to determine to perform server or edge separation execution, transmit an operational module of an analysis application, issue a request to offload the transmitted operational module, and receive and analyze data obtained through preprocessing; and
an edge machine configured to receive and offload the operational module from the analysis server, preprocess raw data collected from a sensor by using the offloaded operational module, and transmit the data obtained through the preprocessing to the analysis server,
wherein the analysis server determines to perform the server or edge separation execution based on profile information, and
the profile information comprises an execution order and a desired resource amount of the operational module, input parameter information, and output parameter information.

US Pat. No. 10,089,901

APPARATUS FOR BI-DIRECTIONAL SIGN LANGUAGE/SPEECH TRANSLATION IN REAL TIME AND METHOD

ELECTRONICS AND TELECOMMU...

1. An apparatus for bi-directional sign language/speech translation in real time comprising:a processor; and
a non-transitory computer readable medium storing program instructions, when executed, causing the processor to:
analyze a used pattern of sign language by a user in view of current surrounding environment information of the user to generate sign category information via a pattern analyzer;
recognize a speech externally made through a microphone via a speech-sign outputter and output a sign corresponding to the speech via a display of the speech-sign outputter; and
recognize a sign sensed through a camera via a sign-speech outputter and output a speech corresponding to the sign via a speaker of the sign-speech outputter,
wherein the pattern analyzer transmits the sign category information to the speech-sign outputter to output a text or a sign corresponding to the sign category information via the display or to the sign-speech outputter to output a speech corresponding to the sign category information via the speaker,
wherein the pattern analyzer comprises a sign category keyword comparator configured to compare the sign category information with the sign corresponding to the speech or the speech corresponding to the sign to determine whether the sign category information is correct, and
wherein the sign category keyword comparator transmits a signal related to whether the sign category information is correct to the speech-sign outputter or the sign-speech outputter to block the text, the sign, or the speech corresponding to the sign category information.

US Pat. No. 10,091,502

INTRA PREDICTION MODE ENCODING/DECODING METHOD AND APPARATUS FOR SAME

Electronics and Telecommu...

1. A video decoding apparatus comprising:an entropy decoding module to perform entropy-decoding on an input bitstream to derive quantized transform coefficients related to a target decoding unit;
an inverse-quantization module to perform inverse-quantization on the quantized transform coefficients to derive transform coefficients;
a prediction module to
receive and decode a most probable mode (MPM) flag and an MPM index for the target decoding unit;
derive neighbor prediction mode information from a left neighbor prediction mode and an upper neighbor prediction mode;
determine MPM candidates for the target decoding unit using the neighbor prediction mode information;
generate an MPM list using the determined MPM candidates;
derive an intra prediction mode of the target decoding unit using the decoded MPM index and the generated MPM list; and
perform intra prediction on the target decoding unit based on the derived intra prediction mode, and
an adder to add a residual block generated based on the transform coefficients and a prediction block generated by the intra prediction to generate a reconstructed block,
wherein the left neighbor prediction mode is an intra prediction mode of a left neighbor unit adjacent to a left side of the target decoding unit and the upper neighbor prediction mode is an intra prediction mode of an upper neighbor unit adjacent to an upper side of the target decoding unit, and the MPM index is an index indicating the same candidate as the intra prediction mode of the target decoding unit, among the MPM candidates included in the MPM list,
wherein the neighbor prediction mode information includes a mode number of the left neighbor prediction mode and a mode number of the upper neighbor prediction mode,
wherein the prediction module determines the left neighbor prediction mode and the upper neighbor prediction mode as the MPM candidates, and the MPM list comprises three MPM candidates, and
wherein the prediction module determines a predetermined intra prediction mode as an additional MPM candidate when the left neighbor prediction mode is the same as the upper neighbor prediction mode.

US Pat. No. 10,070,429

METHOD AND APPARATUS FOR TRANSMITTING INFORMATION IN LOW LATENCY MOBILE COMMUNICATION SYSTEM

ELECTRONICS AND TELECOMMU...

9. An apparatus for transmitting information in a mobile communication system providing a low latency service, the apparatus comprising:a radio frequency (RF) converter configured to transmit and receive a signal through an antenna; and
a processor connected to the RF converter and configured to transmit control information,
wherein the processor comprises:
a request obtaining processor configured to obtain delay time requirements of terminals, wherein the delay time requirements represent required delay times of data packets according to characteristics of services provided to each of the terminals;
a control region configuring processor configured to determine time intervals for transmitting control information for respective terminals based on the obtained delay time requirements, determine offsets of the respective terminals, and configure control regions for transmitting control information of the respective terminals based on the time intervals and the offsets; and
a control information transmission processor configured to:
transmit control information to the terminals through the control regions, wherein the control information includes the time intervals and the offsets,
before the transmitting of control information, obtain frame numbers based on the time intervals and the offsets, and
configure the control regions by shortframes respectively corresponding to the obtained frame numbers,
wherein in the obtaining of the frame numbers, frame numbers satisfying a condition of (SN % interval)==offset are obtained, wherein SN denotes a shortframe number.

US Pat. No. 10,063,630

SYSTEM AND METHOD FOR SERVICE ORCHESTRATION IN DISTRIBUTED CLOUD ENVIRONMENT

ELECTRONICS AND TELECOMMU...

1. A service management apparatus, comprising:at least one of a handler and an orchestrator being configured and executed by a processor using algorithm associated with least one non-transitory storage device for performing a service orchestration in a distributed cloud environment, the handler and orchestrator comprising,
a service interface handler configured to analyze a received service profile, and to generate information on a virtual function and an application server used to provide a service as a service specification; and
a service orchestrator configured to set a service flow to provide the service to a service user based on the service specification, the service flow indicating a series of paths on a virtual network connecting the virtual function with the application server in order to provide an actual service to the service user, and the service specification including at least one of a service identification, a kind of service, a type of service, information of the application server, virtual network function information, performance indicator, scaling condition, changing condition, and
to transmit a service execution control command for the virtual function and the application server according to the service flow to a micro data centre including the virtual function or the application server, the service flow being set and implemented on the virtual network, wherein
the service orchestrator comprises an event handler configured to monitor status of the virtual function and the application server, and
in response to detection of certain environment condition information is satisfied through the monitoring, to notify an event indicating that the certain environment condition information is satisfied to the service orchestration scheduler, and the certain environment condition information is included in the service template, the certain environment condition information includes at least one of a time slot, a time zone, and a service legal agreement.

US Pat. No. 10,057,027

METHOD AND APPARATUS FOR RECEIVING REFERENCE SIGNAL

Electronics and Telecommu...

1. A method for receiving a reference signal (RS) from a base station by a terminal, comprising:receiving configuration information about a first subband of subbands to which the RS is allocated from the base station through a higher layer signaling, wherein each subband includes at least one resource block (RB) and the subbands include a second subband to which the RS is not allocated;
receiving the RS based on the configuration information; and
transmitting channel state information (CSI) report, which is generated based on the RS, to the base station by using an uplink resource indicated by an uplink grant (UL grant),
wherein the RS is one of a user equipment-reference signal (UE-RS) or a channel state information-reference signal (CSI-RS).

US Pat. No. 10,037,223

METHOD AND SYSTEM FOR PROVIDING VIRTUAL DESKTOP SERVICE USING CACHE SERVER

ELECTRONICS AND TELECOMMU...

1. A system for providing a virtual desktop service, the system comprising:a host server configured to provide the virtual desktop service to a user's device using a virtual machine;
a distributed file system configured to store data for the virtual machine; and
a cache server configured to, when a request to process data reading is received from the virtual machine inside the host server, pre-read a data segment for the requested process of data reading from the distributed file system and store the pre-read data segment in a cache, and perform the process of data reading using the cache;
wherein the cache server obtains information on the data segment from read distance maps each of which includes a plurality of blocks arranged in a predetermined format, each block corresponding to the data for the virtual machine and including information on a next block in the predetermined data segment to be read after a current block is read; and
wherein each of the blocks provided in the read distance maps comprises:
i) first information indicating reusability of each block, ii) second information indicating, when each block is a block constituting the data segment, whether the data segment is based on temporal locality or spatial locality, iii) third information indicating a value expressed as the data segment based on the spatial locality where the special locality represents the offset value to the next block read, and iv) fourth information indicating a value expressed as the data segment based on the temporal locality.

US Pat. No. 10,037,494

APPARATUS FOR REPRESENTING SENSORY EFFECT AND METHOD THEREOF

Electronics and Telecommu...

1. A sensory effect representation apparatus comprising:a processor; and
a memory storing program code, executed by the processor, the program code comprising instructions for:
collecting user status information about a user status;
storing sensory effects;
analyzing the user status information to generate a user status prediction pattern;
recommending a sensory effect corresponding to the user status prediction pattern, from among the stored sensory effects, to generate a sensory effect prediction pattern;
reading a sensory effect corresponding to the sensory effect prediction pattern, from among the stored sensory effects,
providing the read sensory effect to the user; and
receiving user status feedback information on the user status prediction pattern and reflecting the user status feedback information to the user status prediction pattern to generate a user status pattern,
wherein the sensory effects and read sensory effect are one or more stimulants of the human senses, and
wherein the user status pattern includes information for determining a user status in response to the user status information having a specific value.

US Pat. No. 10,002,619

UNIFIED SPEECH/AUDIO CODEC (USAC) PROCESSING WINDOWS SEQUENCE BASED MODE SWITCHING

ELECTRONICS AND TELECOMMU...

1. An encoding method for Unified Speech and Audio Codec (USAC), comprising:by one or more processor processing a computer executable instruction, when executed:
determines a first window for a previous frame,
determines a second window for a current frame,
modifies a left portion of the second window based on the first window, when a switching occurs between the previous frame and the current frame, and
encodes an input signal of the current frame using the modified second window,
wherein the left portion of the second window is a region for overlap-add operation with the first window based on a folding point located at a boundary between the previous frame and the current frame, and
wherein the processor modifies a shape of the left portion of the second window and modifies a size of the left portion of the second window, and the input signal is encoded by the processor by performing the overlap-add operation with respect to the second window including the left portion modified based on the first window.

US Pat. No. 9,960,931

PROXY TUNNEL END POINT UNIT, COMMUNICATION SYSTEM FOR SCALABLE NETWORK VIRTUALIZATION HAVING THE SAME AND COMMUNICATION METHOD FOR SCALABLE NETWORK VIRTUALIZATION

ELECTRONICS AND TELECOMMU...

1. A proxy tunnel end point apparatus comprisingone or more processors in a proxy tunnel end point unit of the proxy tunnel end point apparatus configured to:
collect information on each of a plurality of tunnel end point units of a plurality of node units, respectively, that include a first node unit and second node unit;
generate a tunnel for unicast to be connected to each tunnel end point unit of the plurality of node units
generate a VSI (Virtual Switching Instance) corresponding to a VNID (Virtual Network Identifier), which is set for a virtual network using the tunnel;
receive a packet through the tunnel from a first tunnel end point unit of the first node unit using a proxy tunnel end point unit, terminate the tunnel, extract VNID information related to the VNID where the packet belongs to a tunnel header of the received packet, and transmit a terminated L2 packet to the VSI corresponding to the VNID;
generate a virtual port corresponding to the tunnel that terminated in the tunnel packet end point unit, inputting the terminated L2 packet from the tunnel packet end point unit to the virtual port of the corresponding tunnel, and perform L2 switching including mac learning and flooding of unknown unicast packet and non-unicast packets based on the header information of the L2 packet and to transmit the L2 packet to a destination virtual port; and
add to the packet an L3 tunnel header that has an IP address of a tunnel end point unit associated with a VSI output virtual port of the packet as a destination address and an IP address of the proxy tunnel end point unit as a source address and transmit a tunneled packet to a second tunnel endpoint unit of the second node unit that is a destination of transmission, based on destination virtual port information at the VSI,
wherein the first tunnel end point unit of the first node unit transmits all packets to only a proxy tunnel end point unit instead of a second tunnel end point unit of the second node unit,
wherein a source L3 address of all packets being transmitted to the second tunnel end point unit is an L3 address of the proxy tunnel end point unit.

US Pat. No. 9,935,900

METHOD FOR PROVIDING PROTECTION SWITCHING SERVICE IN VIRTUAL TENANT NETWORK AND CONTROLLER THEREFOR

ELECTRONICS AND TELECOMMU...

1. A method for providing a protection switching service, comprising:receiving a protection switching setup request message from a client entity that requests setup of protection switching in a virtual tenant network (VTN);
analyzing the protection switching setup request message to determine a check result indicating whether or not the client entity requests to share a protection switching group with other client entities;
in response to the check result indicating that the client entity does not request to share the protection switching group, setting up protection switching for the client entity alone to exclusively use the protection switching group; and
in response to the check result indicating that the client entity requests to share the protection switching group, setting up protection switching for a plurality of client entities to share the protection switching group,
wherein the setting up of the protection switching for the client entity alone to exclusively use the protection switching group comprises,
in response to the check result indicating that the client entity does not request to share the protection switching group,
performing a determination indicating whether an existing protection switching group is available to use or a new protection switching group needs to be used, setting up, in response to the determination that a new protection switching group needs to be used, the protection switching by creating the new protection switching group, and
setting up, in response to the determination that the existing protection switching group is available to use intact, the protection switching by joining a working path to the existing protection switching group.

US Pat. No. 9,807,775

TERMINAL FOR D2D COMMUNICATION AND REJECTING INTERFERENCE METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A terminal for performing device-to-device (D2D) communication, comprising:
an antenna configured to transmit/receive an uplink channel signal and a downlink channel signal;
a duplexer configured to separate a transmission/reception signal of the antenna into the uplink channel signal and the downlink
channel signal;

a switch configured to switch the uplink channel signal in a time division duplex (TDD) scheme so as to separate the uplink
channel signal into an uplink transmission block and a first reception block; and

a second reception block configured to convert the downlink channel signal provided from the duplexer into a baseband,
wherein, in a channel band of the uplink channel signal, frequencies are allocated in units of a plurality of frequency resource
blocks,

wherein the channel band comprises a first frequency band to which first resource blocks for D2D communication are allocated,
and a second frequency band to which second resource blocks for uplink communication of cellular communication are allocated,
and

wherein the first frequency band and the second frequency band are separated from each other.

US Pat. No. 9,794,929

METHOD AND DEVICE FOR ALLOCATING RESOURCE IN WIRELESS LAN SYSTEM, COMMUNICATION TERMINAL METHOD AND COMMUNICATION TERMINAL

ELECTRONICS AND TELECOMMU...

1. A resource allocation method by an access point (AP) in a wireless local area network (WLAN) system, the method comprising:
determining a restricted access bandwidth (RAB) information indicating a set of channels of frequency domain;
setting a restricted access window (RAW) information indicating a time duration of a time domain; and
transmitting the RAB information and the RAW information to at least one station (STA),
wherein, based on the RAB information, a first subset of channels are allowed to a first STA, and a second subset of channels
are allowed to a second STA,

wherein, based on the RAW information, a first time duration is allowed to the first STA to access the first subset of channels,
and a second time duration is allowed to the second STA to access the second subset of channels, and

wherein the first time duration does not overlap with the second time duration.

US Pat. No. 9,784,677

SYSTEM AND METHOD FOR REMOTELY SENSING VISIBLE RAY TRANSMITTANCE OF VEHICLE WINDOW

ELECTRONICS AND TELECOMMU...

1. A system, comprising:
a laser scanner that emits a laser beam and that acquires a plurality of pieces of point data of a plurality of points when
the laser beam is transmitted through an atmosphere and is reflected from a surface of a vehicle;

an environment sensor unit that detects environment information based on absorption and scattering of laser light in the atmosphere;
and

a signal processing controller that measures a reflectivity of a window of the vehicle and a distance to the vehicle based
on the plurality of pieces of point data, that calculates an external loss coefficient based on the environment information
and the distance to the window, that corrects the reflectivity of the window based on the external loss coefficient, and that
calculates a transmittance of the window based on the corrected reflectivity of the window and on a predetermined internal
loss coefficient of the widow.

US Pat. No. 9,785,591

SMARTCARD INTERFACE CONVERSION DEVICE, EMBEDDED SYSTEM HAVING THE SAME DEVICE AND METHOD FOR TRANSFERRING DATA SIGNAL USED IN THE SAME DEVICE

ELECTRONICS AND TELECOMMU...

11. A method for transferring a data signal between a full-duplex first interface and a half-duplex second interface, the
method comprising:
outputting a logical value ‘0’ to an input/output common terminal connected to the second interface when a logical value ‘0’
is input to an input terminal connected to the first interface; and

outputting a logical value ‘Z’ state to the input/output common terminal connected to the second interface when a logical
value ‘1’ is input to the input terminal connected to the first interface.

US Pat. No. 9,780,820

METHOD OF FILTERING DIGITAL SIGNAL FOR MAINTAINING DATA TRANSMISSION RATE IN TDD OR TDMA SYSTEM AND COMMUNICATION SYSTEM ADOPTING THE SAME

Electronics and Telecommu...

1. A communication system comprising a transmitter, and configured to perform communication in a TDD or TDMA scheme, wherein:
the transmitter comprises
a transmission digital signal processing stage comprising a channel filter,
a transmission analog stage comprising a digital-to-analog converter, and
a transmission RF stage comprising an up converter and a power amplifier;
the channel filter performs filtering through circular convolution between a digital input signal and a unit pulse response
of the channel filter; and

the transmission digital signal processing stage further comprises a signal configuration sequence correcting unit for changing
a configuration sequence of an output signal of the channel filter into a sequence corresponding to a configuration sequence
of the digital input signal.

US Pat. No. 9,749,170

METHOD AND APPARATUS FOR GENERATING SAMPLING FREQUENCY

Electronics and Telecommu...

1. A method for a mobile terminal for generating a sampling frequency in order for the mobile terminal to sample a received
signal, the method comprising:
extracting a frequency offset in a channel from an entire frequency offset;
calculating an amount of shift by dividing the extracted frequency offset by a predetermined value;
providing a predetermined signal with a frequency which is a predetermined multiple of a reference clock derived from a signal
received from a base station; and

obtaining a final sampling frequency by shifting the frequency of the predetermined signal by the amount of shift.

US Pat. No. 9,747,144

FUNCTION PROCESSING APPARATUS AND FUNCTION PROCESSING METHOD DYNAMICALLY PROCESS NETWORK FUNCTION USING COMMANDS

Electronics and Telecommu...

1. A function processing method comprising:
a registration process of, if first command related information is received from at least one software component, forming
a command tree on the basis of the first command related information and transmitting the first command related information
to at least one user interface; and

an execution process of, if second command related information is received from the at least one user interface, transmitting
the second command related information to a software component corresponding to the second command related information,

wherein the registration process includes:
changing, to a command execution stop mode, the mode of a user interface being operated in a command execution mode among
the at least one user interface; and

transmitting the first command related information to the at least one user, and
wherein commands are grouped for each node in the command tree, based on a mode including the command execution stop mode
and the command execution mode in which a corresponding command is executable.

US Pat. No. 9,749,011

PHYSICAL UNIDIRECTIONAL COMMUNICATION APPARATUS AND METHOD

ELECTRONICS AND TELECOMMU...

1. A physical unidirectional communication apparatus, comprising:
a unidirectional data transmission line for transmitting transmission data in a unidirectional direction;
a data reception status transmission line including N lines (N is a natural number), each of the N lines configured transmitting
electrical On/Off signal to represent reception status information without being able to transmit the transmission data;

an internal network connection system unit for performing communication with an internal network transmission host and transmitting
the transmission data to an external network connection system unit through the unidirectional data transmission line; and

the external network connection system unit for performing communication with an external network reception host,
receiving the transmission data, from the internal network connection system unit,
generating the reception status information of the transmission data, and
transmitting the reception status information to the internal network connection system unit through the data reception status
transmission line.

US Pat. No. 9,749,936

SCANNING METHOD IN WIRELESS LAN SYSTEM AND SUPPORTING DEVICE THEREFOR

ELECTRONICS AND TELECOMMU...

1. A scanning method performed by a STA (station) in a wireless LAN system, the method comprising:
generating a probe request frame that includes a probe response option information element indicating whether a request is
made to include SSID information or compressed SSID information in a probe response frame;

transmitting the probe request frame to an AP (access point); and
receiving the probe response frame from the AP in response to the probe request frame,
wherein the probe response frame includes the SSID (service set ID) information or the compressed SSID information, and
wherein the probe response frame further includes a field indicating whether the probe response frame includes the SSID information
or the compressed SSID information.

US Pat. No. 9,742,062

SMALL SWITCHABLE DIRECTIONAL CONTROL ANTENNA

Electronics and Telecommu...

1. A small switchable directional control antenna comprising:
a dielectric layer;
a radiation patch formed on a side of the dielectric layer;
a ground plane formed on a side of the dielectric layer opposite to the side on which the radiation patch is formed, and having
a plurality of slots formed at edges thereof to form a plurality of protrusions between the slots; and

a control module insulated from the ground plane and configured to selectively control electrical connection between the radiation
patch and the protrusions of the ground plane,

wherein the plurality of protrusions are formed in a radial pattern.

US Pat. No. 9,739,866

METHOD AND APPARATUS FOR RADIO DIRECTION FINDING

ELECTRONICS AND TELECOMMU...

1. An apparatus for radio direction finding, the apparatus comprising:
a receiver that receives target signals acquired by a wideband antenna array in which the wideband antenna array comprises
antenna elements;

a channel profiler for producing profiles of the target signals for each antenna element in the wideband antenna array received
through the receiver by forming space channels, extracting signal information from the space channels, and producing the profiles
from the extracted signal information wherein the profiles are selected from the group consisting of time, frequency, space
information, kind, statistical characteristic, and shape;

a pre-analyzer to preemptively process in a narrowband the target signals based on the profiles that are produced by the channel
profiler to produce pre-analyzed information for the target signals in which the pre-analyzed information is selected from
the group consisting of a center frequency, a bandwidth, an existence time, an existence space, a signal detection statistical
property, and a signal-specific characteristic; and

a direction finder that performs the direction finding on the signal sources using the pre-analyzed information and the profiles
of the target signals.

US Pat. No. 9,769,549

BUILDING SENSING MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A building sensing management system comprising:
a plurality of sensors configured to sense information of surrounding environment, and, in response to a sensing value transmitted
to a controller having a slope of a same directivity for twice or more times, to obtain a predicted slope using a current
slope of the transmitted sensing values; and

the controller configured to obtain the predicted slope using a same algorithm as the sensors,
wherein, in response to a next sensing value being within an error range of the predicted slope, the sensors do not transmit
the next sensing value to the controller, and

wherein each of the plurality of the sensors obtains the predicted slope by assigning a high weighted value to a current slope
generated by itself and assigning a low weighted value to a current slope being provided from other sensors.

US Pat. No. 9,729,305

AIRPLANE SYSTEM AND CONTROL METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A method of controlling an airplane system, comprising:
receiving, by each of a plurality of duplex modules, a corresponding event command from a client;
performing, by a first module among the plurality of duplex modules, a first event specified by the event command in response
to the event command;

performing, by a second module different from the first module among the plurality of duplex modules, a second event specified
by the event command after the first event is completed; and

transmitting, by the first and second modules, a first response signal indicating a result of the performance of the first
event and a second response signal indicating a result of the performance of the second event to the client,

wherein the client compares the first response signal and the second response signal, and determines whether the plurality
of duplex modules is synchronized or has an error,

wherein the method further comprises providing, by the first module, a synchronization request to a memory unit after the
first event is performed so that the memory unit toggles or changes a value of a flag stored therein in response to the synchronization
request provided by the first module,

wherein the performing of the second event includes performing the second event in response to the toggle or the change of
the value of the flag from the memory unit,

wherein the performing further comprises providing, by the second module, another synchronization request discriminated from
the synchronization request provided by the first module to the memory unit after the second event is performed, and

wherein the memory unit toggles or changes the value of the flag stored in the memory unit again in response to the synchronization
request provided by the second module.

US Pat. No. 9,763,151

CONTROL METHOD FOR SUPPORTING MULTIPLE CONNECTIONS IN MOBILE COMMUNICATION SYSTEM AND APPARATUS FOR SUPPORTING MULTIPLE CONNECTIONS

Electronics and Telecommu...

1. A method for supporting a multiple connectivity using two or more base stations, performed by a first base station, the
method comprising:
transmitting a multiple connectivity configuration request message to a second base station;
receiving a response message for the multiple connectivity configuration request message from the second base station;
transmitting a multiple connectivity configuration command message to the terminal; and
receiving a multiple connectivity configuration completion message from the terminal,
wherein a random access procedure between the terminal and the second base station is performed after the first base station
receives the multiple connectivity configuration completion message from the terminal,

wherein the multiple connectivity configuration request message includes at least one of radio resource allocation information
for the terminal including semi-persistent scheduling (SPS) configuration information, discontinuous reception (DRX) configuration
information and bearer property information, information on the terminal, measurement results from the terminal, and measurement
configuration parameters.

US Pat. No. 9,729,108

APPARATUS AND METHOD FOR ADJUSTING ENVELOPE SIGNAL DELAY IN ENVELOPE-TRACKING POWER AMPLIFIER

ELECTRONICS AND TELECOMMU...

1. An apparatus for adjusting an envelope signal delay in an envelope-tracking power amplifier, the apparatus comprising:
an envelope signal providing unit configured to provide an envelope signal;
a variable negative group delay unit configured to adjust a group delay of the envelope signal received from the envelope
signal providing unit and output the adjusted envelope signal;

an envelope modulator configured to modulate the adjusted envelope signal outputted from the variable negative group delay
unit;

a group delay difference detecting unit configured to detect a group delay difference between the envelope signal which is
outputted from the envelope signal providing unit and the envelope signal which is outputted from the envelope modulator;
and

a control signal generating unit configured to generate a control signal to control a group delay value of the variable negative
group delay unit according to the group delay difference.

US Pat. No. 9,728,657

PHOTODETECTOR

ELECTRONICS AND TELECOMMU...

1. A photodetector comprising:
a substrate;
a first doped region in an upper portion of the substrate;
a second doped region having a ring structure, wherein the second doped region is provided in the substrate, surrounds the
first doped region, and is horizontally spaced apart from the first doped region;

an optical absorption layer on the first doped region, the optical absorption layer absorbing photons to generate an electrical
signal;

a contact layer on the optical absorption layer;
a first electrode on the contact layer; and
a second electrode on the second doped region,
wherein the first doped region has a first conductive type and directly contacts the optical absorption layer, and the second
doped region has a second conductive type,

wherein top surfaces of the first and second doped regions and the substrate are coplanar with each other, and
wherein a magnitude of the electrical signal is amplified under the first doped region.

US Pat. No. 9,729,173

LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 16200 AND CODE RATE OF 5/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...


generating a transmission signal transmitted over a wireless channel by using the LDPC codeword, the LDPC codeword including
parity bits for correcting errors over the wireless channel.

US Pat. No. 9,755,736

SMART REMOTE NODE OPTICAL NETWORK UNIT AND OPERATION METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A smart remote node optical network node comprising:
an optical layer monitoring unit configured to transmit a monitoring light signal to an optical network unit through an optical
switch and receive a monitoring light signal reflected from the optical network unit through the optical switch;

an infra recognition unit configured to recognize whether an optical connector is connected to an output port of a remote
node and an identification number of the optical connector when the optical connector is connected thereto; and

a control unit connected to the optical layer monitoring unit and the infra recognition unit and configured to control the
optical switch according to a recognition output from the infra recognition unit and to control recognition and monitoring
operations of the remote node according to a remote node application,

wherein the monitoring light signal reflected from the optical network unit is provided to an optical line terminal, which
communicates with an optical distribution network integrated management server through an optical splitter.

US Pat. No. 9,712,605

METHOD AND SYSTEM FOR PROVIDING SERVER VIRTUAL MACHINE FOR REAL-TIME VIRTUAL DESKTOP SERVICE, AND SERVER DEVICE SUPPORTING THE SAME

ELECTRONICS AND TELECOMMU...

1. A system for providing a virtual machine, comprising:
a client device configured to receive allocation of a virtual machine for using a virtual desktop service; and
a connection management server, including a hardware processor, configured to select a virtual machine of one of a plurality
of operation servers and to allocate the selected virtual machine to the client device according to registration information
of the client device;

wherein the connection management server is configured to identify a type of the client device from the registration information,
and to support a secure access of the client device according to the identified type of the client device,

wherein the type of the client device includes an allocated user, a pooled user, and a multi-virtual machine user,
wherein the connection management server is configured to provide a previously allocated virtual machine to the allocated
user,

wherein the connection management server is configured to temporarily provide a virtual machine belonging to a virtual machine
pool to the pooled user,

wherein the connection management server is configured to delete a virtual machine used by the client device when the client
device identified as the pooled user is logged off, and to allocate a new virtual machine to the client device when the client
device accesses the connection management server again, and

wherein the connection management server is configured to provide multiple virtual machines to the multi-virtual machine user.

US Pat. No. 9,686,042

METHOD AND APPARATUS OF TRANSMITTING PILOT SIGNAL FOR FREQUENCY SHARED BROADCASTING

Electronics and Telecommu...

1. A method of transmitting, by a transmission device, broadcast signals in a frequency-shared terrestrial broadcast system,
the method comprising:
generating the broadcast signals including pilot signals arranged at a physical layer frame based on a group identification
(ID) defined according to a broadcast service content; and

transmitting the generated broadcast signals to a reception device,
wherein the positions of the pilot signals arranged at the physical layer frame are different by group IDs,
wherein the physical layer frame comprises a plurality of subframes in a time domain, and one subframe comprises a plurality
of orthogonal frequency division multiplexing (OFDM) symbols,

wherein one frame comprises a plurality of subcarriers in the frequency domain,
wherein the positions of the pilot signals arranged in at least one of the plurality of subframes are different in at least
one of the frequency domain and the time domain by group IDs,

wherein the pilot signals of respective groups are arranged not to be overlapped on the frame, and
wherein the broadcast signals within the same group provide the same broadcast service content so that the pilot signals are
arranged at the same position on the frame.

US Pat. No. 9,640,362

PHOTOCATHODE COUPLED X-RAY TUBE

ELECTRONICS AND TELECOMMU...

1. An X-ray tube comprising:
an anode;
a target disposed on the anode;
a cathode disposed separately from the target and the anode, the cathode comprising an emitter that provides an electron beam
to the target; and

a side wall surrounding the target and the emitter and being disposed between the cathode and the anode,
wherein the side wall reflects light to the cathode, the light being generated by collision of the electron beam with the
target, the light having a longer wavelength than an X-ray, the side wall electrically insulating the cathode from the anode.

US Pat. No. 9,641,292

LOAD MODULATION-BASED BEAMSPACE MIMO TRANSMISSION METHOD AND APPARATUS

ELECTRONICS AND TELECOMMU...

1. A beamspace multi-input multi-output (MIMO) transmission apparatus, comprising:
a plurality of impedance loading circuits including a plurality of imaginary impedance devices each connected to a plurality
of antenna elements;

a beamspace MIMO control unit calculating loading values of the plurality of imaginary impedance devices based on current
vectors introduced to the plurality of antenna elements, corresponding to a spatial multiplexing orthogonal frequency division
multiplexing (OFDM) sample for beamspace multi-input multi-output (MIMO) and setting the calculated loading values in the
plurality of impedance devices; and

an RF chain unit generating a first signal having a predetermined carrier frequency and transmitting the generated first signal
to the plurality of impedance loading circuits,

wherein the beamspace MIMO control unit includes a delay unit delaying the spatial multiplexing OFDM sample by a predetermined
time, and

the predetermined time is synchronized with a transmission time of the first signal.

US Pat. No. 9,667,756

APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN COMMUNICATION SYSTEM

ELECTRONICS AND TELECOMMU...

1. An apparatus for transmitting data in a communication system, comprising:
a transmitting unit that transmits a first data packet to a receiver in the communication system;
a receiving unit that receives reception information of the first packet from the receiver;
a frame generation unit that checks the reception information received by the receiving unit to generate a plurality of frames
containing data to transmit to the receiver, wherein the plurality of frames include a main frame including a plurality of
main sequence frames corresponding to the data, and a redundancy frame of the main frame including a plurality of redundancy
sequence frames corresponding to the plurality of main sequence frames;

a packet generation unit that generates a second data packet to include a payload that includes the plurality of frames generated
by the frame generation unit; and

the transmitting unit that transmits the second data packet generated by the packet generation unit to the receiver,
wherein the payload comprises the plurality of frames and a mode field,
wherein the mode field contains information on the plurality of frames,
wherein each main sequence frame of the plurality of main sequence frames corresponds with each redundancy sequence frame
of the plurality of redundancy sequence frames, respectively,

wherein the frame generation unit checks a loss ratio of the first data ticket through the reception information to generate
the main frame, the redundancy frame of the main frame, and an XOR frame of the main frame, and

wherein the frame generation unit generates the XOR frame including result frames by performing an XOR operation on a predetermined
number of adjacent main sequence frames of the main frame, depending on the loss ratio.

US Pat. No. 9,667,341

APPARATUS AND METHOD FOR PROTECTION SWITCHING IN OPTICAL TRANSPORT NETWORK (OTN) SUPORTING ODUFLEX(GFP)

ELECTRONICS AND TELECOMMU...

1. An apparatus connected to a source of packet data for protection switching which is included in a first end node in an
optical transport network (OTN) that supports both protecting switching and a flexible optical channel data unit (ODUflex(GFP))
signal, the apparatus comprising:
a working path interface module configured to check, via the working path for protection switching, connectivity with a second
end node that corresponds to the first end node; and

a protecting path interface module configured to check connectivity with the second node via the protection path for protection
switching,

wherein upon confirming the connectivity, the working path interface module and the protection path interface module exchange
bandwidth resize (BWR) coordination information with each other and simultaneously output an ODUflex bandwidth control signal
based on the exchanged BWR coordination information.

US Pat. No. 9,613,884

SEMICONDUCTOR DEVICE

ELECTRONICS AND TELECOMMU...

1. A semiconductor device comprising:
a semiconductor substrate comprising a cantilever configured to generate a flow of cooling media through dynamic movement;
an active area on the semiconductor substrate which an electronic device is provided on;
an insulation layer disposed to be spaced apart from the active area on the semiconductor substrate;
a lower electrode on the insulation layer;
a piezoelectric film on the lower electrode; and
an upper electrode on the piezoelectric film.

US Pat. No. 9,609,633

METHOD FOR COMMUNICATING DATA USING BANDWIDTH REQUEST CHANNEL, USER EQUIPMENT AND BASE STATION CONDUCTING THE SAME

ELECTRONICS AND TELECOMMU...

1. A communication method by a user terminal which transmits data to a base station via a bandwidth request channel, the method
comprising:
generating a preamble for bandwidth request;
determining whether a message for the bandwidth request is generated;
generating a first signal value to be operated on the preamble when it is determined that the message is generated and generating
a second signal value to be operated on the preamble when it is determined that the message is not generated;

operating on the preamble with the generated first signal value or second signal value; and
transmitting a signal including the operated preamble to the base station.

US Pat. No. 9,608,701

METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SIGNAL IN DISTRIBUTED-ARRAY MASSIVE MIMO SYSTEM

Electronics and Telecommu...

1. An apparatus for transmitting signals, the apparatus comprising:
at least one processor;
a memory; and
a radio frequency unit,
by executing at least one program stored in the memory,
wherein the at least one processor selects at least one array of a plurality of arrays connected to the apparatus based on
a spatial covariance matrix of an uplink from a terminal to the plurality of arrays,

wherein the spatial covariance matrix ensures channel reciprocity at downlink from the plurality of arrays to the terminal,
and forms a transmission beam to be transmitted to the terminal through the at least one selected array,

wherein the plurality of arrays include at least one base station (BS) antenna, respectively, and
wherein when selecting the at least one array, the at least one processor estimates the spatial covariance matrix based on
a pilot signal to be transmitted to the terminal; determines a selection index to select the at least one array based on the
estimated spatial covariance matrix; and selects the at least one array based on the selection index.

US Pat. No. 9,602,139

BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 16200 AND CODE RATE OF 3/15 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 and a code rate of
3/15;

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 store 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 Xj 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

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

US Pat. No. 9,602,409

APPARATUS AND METHOD FOR MULTILATERAL ONE-WAY COMMUNICATION

ELECTRONICS AND TELECOMMU...

1. An apparatus for multilateral one-way communication, comprising:
a one-way input module unit, detachably mounted to a plurality of slots formed in a rail, for receiving data from an external
transmission host and for transmitting the received data to inside of the apparatus through one-way communication;

a one-way output module unit, mounted detachably to the plurality of slots formed in the rail, for transferring data of interest
to the inside of the apparatus through one-way communication, the data of interest being to be transmitted to outside of the
apparatus, and transmitting the transferred data to an external reception host; and

a two-way module unit, mounted detachably to the plurality of slots formed in the rail, for performing data communication
between the transmission host and the reception host in a bidirectional mode,

wherein the rail comprises:
an apparatus control module mounting unit in which an apparatus control module unit for controlling transmission/reception
of the data is mounted; and

a slot mounting unit in which the plurality of slots are mounted.

US Pat. No. 9,602,476

METHOD OF SELECTIVELY APPLYING DATA ENCRYPTION FUNCTION

ELECTRONICS AND TELECOMMU...

1. A method of selectively applying a data encryption function, comprising:
performing, by a Constrained Application Protocol (CoAP) client and a CoAP server, a datagram transport layer security (DTLS)
handshake process;

generating, by the CoAP client, a CoAP message when the DTLS handshake process has been completed, and then indicating, by
the CoAP client, that encryption does not need to be applied to the CoAP message;

generating, by the CoAP client, only an authentication value of the CoAP message via a DTLS record layer protocol;
setting, by the CoAP client, a value of a specific field of a DTLS record layer protocol header to a specific value via the
DTLS record layer protocol; and

sending, by the CoAP client, the CoAP message and the authentication value to the CoAP server,
wherein the specific field of the DTLS record layer protocol header comprises an epoch field, and
wherein the setting the value of the specific field of the DTLS record layer protocol header to the specific value comprises
setting a left highest 1 bit of the epoch field to 0.

US Pat. No. 9,602,243

LOW DENSITY PARITY CHECK ENCODER, 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;
second memory configured to be initialized to 0; and
a processor configured to generate the LDPC codeword by performing accumulation with respect to the second memory using information
bits;

wherein the accumulation is performed at parity bit addresses that are updated using a sequence corresponding to a parity
check matrix (PCM), and

wherein the parity bit addresses are updated in accordance with the following equation:
(x+m×Q1) mod M1 if x M1+{(x?M1+m×Q2) mod M2} if x>M1
where x denotes previous parity bit addresses, m is an information bit index that is an integer larger than 0 and smaller
than L, L is a bit-size of a circulant permutation matrix (CPM) of the PCM, Q1 is M1/L, M1 is a bit-size of a first parity part, Q2 is M2/L, and M2 is a bit-size of a second parity part, thereby correcting errors occurring over a wireless channel.

US Pat. No. 9,602,260

METHOD AND APPARATUS FOR TRANSMITTING ACK/NACK

Electronics and Telecommu...


US Pat. No. 9,595,673

METHOD FOR REMOVING ELECTRO-STATIC DISCHARGE (EDS) NOISE SIGNAL IN ELECTRONIC SYSTEM INCLUDING THE METAL-INSULATOR TRANSITION (MIT) 3-TERMINAL DEVICE

ELECTRONICS AND TELECOMMU...

1. A metal-insulator transition 3-terminal switch device comprising:
a first conductivity type first semiconductor region configured to function as an Outlet region;
a second conductivity type second semiconductor region functioning as a control region controlling a discontinuous metal-insulator
transition occurring at an interface contacting the first conductivity type first semiconductor region, the second conductivity
type second semiconductor region being formed to have a Mott critical concentration nc on the first conductivity type first semiconductor region; and

a first conductivity type third semiconductor region functioning as an Inlet region, the first conductivity type third semiconductor
region being disposed on the second conductivity type second semiconductor region.

US Pat. No. 9,565,710

METHOD FOR PROCESSING EXCEPTIONAL CASE OF ESTABLISHING DEFAULT BEARER IN MOBILE COMMUNICATION SYSTEM AND DEVICE THEREFOR

Electronics and Telecommu...

1. A method for performing a network attachment procedure in a network, comprising:
receiving, by a device in a Mobile Management Entity (MME), a request message from a user equipment as a part of the network
attachment procedure, the request message requesting the device to attach the user equipment to the network;

transmitting, by the device, an acceptance message, the acceptance message indicating that the user equipment has been attached
to the network, the acceptance message including a request for activation of a default bearer by the user equipment; and

aborting, by the device, the network attachment procedure if an acknowledgement of the activation of the default bearer is
not received from the user equipment within a predetermined time.

US Pat. No. 9,553,696

BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 64800 AND CODE RATE OF 3/15 AND QUADRATURE PHASE SHIFT KEYING, 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 64800 and a code rate of
3/15;

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 store the interleaved codeword corresponding to a modulator for quadrature phase shift keying
(QPSK) modulation,

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

wherein a modulated signal output from the modulator corresponds to a transmission signal, the transmission signal being transmitted
to a reception device.

US Pat. No. 9,532,306

INTERNET PROTOCOL-BASED SLEEP MODE CONTROL METHOD

ELECTRONICS AND TELECOMMU...

1. A method for Internet Protocol (IP)-based sleep mode control in a network including a sleep mode control network including
one or more internal hosts and an internal router responsible for communication of the internal hosts, and also including
an external router connected to the internal router responsible for the communication of the sleep mode control network, and
IP-based external hosts connected via the external router, the method comprising:
when a request for a sleep mode is made from any one of the internal hosts:
transmitting, by one of the internal hosts requiring a sleep mode, a sleep mode request message to the internal router;
updating, by the internal router having received the sleep mode request message from the internal host requiring a sleep mode,
a state of the corresponding host to a sleep mode;

transmitting, by the internal router, a sleep mode ACK message to the internal host requiring a sleep mode;
switching, by the internal host having received the sleep mode ACK message from the internal router, to a sleep mode; and
transmitting, by the internal router, information about the internal hosts in a sleep mode to external hosts of a history
information list because the internal router stores history information of the external hosts that communicated with the internal
hosts in a sleep mode in a list form.

US Pat. No. 9,526,107

APPARATUS, SYSTEM AND METHOD FOR CONTROLLING RADIO RESOURCES

ELECTRONICS AND TELECOMMU...

1. A method of managing radio resources, comprising:
determining, by a Point of Attachment (PoA) managing radio resource of link layers of heterogeneous networks based on a media
independent services (MIS) framework or by an access controller communicating with the PoA, to change radio resource to be
allocated to the PoA;

commanding, by the PoA or by the access controller, a terminal to connect via new radio resource by using current radio resource;
changing, by the PoA, the radio resource of the PoA based on a radio resource change command from the PoA or the access controller;
receiving, by the PoA, any one of:
one or more of link status and radio resource allocation status of a neighboring PoA from the neighboring PoA;
radio resource allocation information of an adjacent network from a network configuration in server; and
a recommendation on a change in radio resources from the access controller; and
reporting, by the PoA, the new radio resource to network devices adjacent to the PoA comprising the neighboring PoA, the network
configuration information server, and the access controller.

US Pat. No. 9,510,021

METHOD AND APPARATUS FOR FILTERING PIXEL BLOCKS

ELECTRONICS AND TELECOMMU...

1. A method of a plurality of processing elements to filter a plurality of pixel blocks including first and second boundary
pixel blocks, the method comprising:
checking a status of the second boundary pixel block adjacent to a picture partition boundary, the second boundary pixel block
neighboring the first boundary pixel block in a first picture partition, the second boundary pixel block being in a second
picture partition, the first boundary pixel block being adjacent to the picture partition boundary;

selecting a filtering area for the first boundary pixel block based on the status of the second boundary pixel block; and
filtering the filtering area for the first boundary pixel block,
wherein selecting the filtering area for the first boundary pixel block comprises:
selecting an inner portion of the first boundary pixel block and a filter-sharing block as the filtering area for the first
boundary pixel block when the status of the second boundary pixel block is a filtered status, the filter-sharing block being
disposed between the inner portion of the first boundary pixel block and an inner portion of the second boundary pixel block;
and

selecting only the inner portion of the first boundary pixel block as the filtering area for the first boundary pixel block
when the status of the second boundary pixel block is an unfiltered status.

US Pat. No. 9,503,503

METHOD, USER TERMINAL, AND WEB SERVER FOR PROVIDING SERVICE AMONG HETEROGENEOUS SERVICES

Electronics and Telecommu...

1. A method of providing a service among heterogeneous services, the method comprising:
verifying that a second web application associated with an external web service is installed in a user agent, in response
to data of the external web service being requested by a first web application executed in the user agent;

requesting, from a first server providing a web service associated with the first web application, key information for accessing
the requested data in response to the verifying that the second web application is installed in the user agent;

receiving the key information from the first server; and
accessing, in the first web application, the requested data of the second web application, using the received key information,
wherein the key information is generated by the second web application, transferred to a second server providing the external
web service, and delivered from the second server to the first server at a request of the first server.

US Pat. No. 9,489,740

CAMERA TRACKING APPARATUS AND METHOD USING RECONSTRUCTION SEGMENTS AND VOLUMETRIC SURFACE

ELECTRONICS AND TELECOMMU...

1. A camera tracking apparatus comprising:
a reconstruction segment generation unit to generate, using a processor, three-dimensional space reconstruction segments for
a reconstruction process from an image including depth information obtained by a camera, the reconstruction segments including
first and second reconstruction segments;

a transformation matrix generation unit to generate, using a processor, a transformation matrix for the first reconstruction
segment having a distortion among the generated reconstruction segments during the reconstruction process; and

a reconstruction segment connection unit to rotate or move, or rotate and move, using a processor, the first reconstruction
segment according to the transformation matrix, and to connect the rotated or moved, or the rotated and moved first reconstruction
segment with the second reconstruction segment having substantially no distortion,

wherein the reconstruction segment generation unit generates a corresponding one of the reconstruction segments based on a
timing when a movement factor of the camera is greater than a preset value.

US Pat. No. 9,491,625

ACCESS POINT APPARATUS FOR CONFIGURING MULTIPLE SECURITY TUNNEL, AND SYSTEM HAVING THE SAME AND METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A wireless access point apparatus for configuring a multiple data security tunnel, the apparatus comprising:
one or more units executed by a processor and the processor causes to perform the one or more units using algorithm, the one
or more units comprising,

a control security tunnel managing unit managing a control security tunnel that transfers policies and, authentication information
for controlling wireless network access control and management; and

in response to detection of requests for creating tunnels from a plurality of wireless terminals, a multiple data security
tunnel managing unit creating a plurality of wireless data security tunnels in a wireless network for responding the requests
transmitted from one of the plurality of wireless terminals, each of the plurality of wireless data security tunnels being
separately created for providing each of application services corresponding to the request of the one of the plurality of
wireless terminals,

wherein a plurality of data security tunnels are created in a wired network by extending to the wireless network to manage
the plurality of data security tunnels in the wireless network, the plurality of data security tunnels are created between
the Internet server and the wireless access point apparatus.

US Pat. No. 9,490,214

SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME

ELECTRONICS AND TELECOMMU...

1. A semiconductor device comprising:
a substrate having a top surface and a bottom surface opposite to each other, the substrate having a lower via-hole, and the
lower via-hole penetrating the substrate;

an epitaxial layer disposed on the top surface of the substrate, the epitaxial layer having an opening;
a lower pad disposed in the opening;
a semiconductor chip disposed on the epitaxial layer, the semiconductor chip including a first electrode, a second electrode,
and a third electrode; and

a lower metal layer covering the top surface of the substrate, the lower metal layer connected to the lower pad through the
lower via-hole,

wherein the opening exposes the top surface of the substrate.

US Pat. No. 9,479,289

LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 16200 AND CODE RATE OF 5/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...


US Pat. No. 9,478,385

FIELD EMISSION DEVICE HAVING FIELD EMITTER INCLUDING PHOTOELECTRIC MATERIAL AND METHOD OF MANUFACTURING THE SAME

ELECTRONICS AND TELECOMMU...

1. A field emission device comprising:
an anode electrode and a cathode electrode which are opposite to each other;
a counter layer provided on the anode electrode; and
a field emitter provided on the cathode electrode and facing the counter layer,
wherein the field emitter comprises a carbon nanotube that emits cold electrons and a photoelectric material that emits photo
electrons.

US Pat. No. 9,460,888

ELECTRON BEAM GENERATOR, IMAGE APPARATUS INCLUDING THE SAME AND OPTICAL APPARATUS

ELECTRONICS AND TELECOMMU...

1. An electron beam generator comprising:
a beam source supply unit configured to provide a beam source on a substrate;
a first laser apparatus configured to provide a first laser beam to the beam source and the substrate;
a first optical system having a focal point on the substrate and configured to concentrate the first laser beam on the substrate;
and

a second laser apparatus configured to provide a second laser beam overlapping the first laser beam between the first optical
system and the first laser apparatus;

wherein the second laser apparatus outputs the second laser beam which has a phase opposite to a phase of the first laser
beam, and decreases a first spot size of an interference beam generated by a destructive interference with the first laser
beam to be smaller than a wavelength of the first laser beam at the focal point.

US Pat. No. 9,437,795

THERMOELECTRIC DEVICE AND METHOD OF MANUFACTURING THE SAME

ELECTRONICS AND TELECOMMU...

1. A thermoelectric device comprising:
first and second cooling pads;
first and second lower electrodes that are respectively disposed on the first and second cooling pads;
first and second substrates that are respectively disposed on the first and second lower electrodes;
first and second nanowires that are respectively disposed on the first and second substrates;
first and second barrier layers that are respectively disposed on the first and second nanowires;
first and second bulk layers that are respectively disposed on the first and second barrier layers;
first and second upper electrodes respectively on the first and second bulk layers; and
a heater pad that is disposed on the first and second upper electrodes and connects the first and second upper electrodes,
wherein the first and second barrier layers increase electric conductivity between the first and second nanowires and the
first and second bulk layers, and decrease thermal conductivity therebetween.

US Pat. No. 9,425,743

BUFFER AMPLIFIER AND TRANS-IMPEDANCE AMPLIFIER INCLUDING THE SAME

Electronics and Telecommu...

1. A buffer amplifier comprising:
a replica bias unit dividing an internal power voltage received from an internal power node to generate a bias voltage;
an input unit including a first differential amplifier comparing a first differential input signal with the bias voltage to
output a first internal signal and a second differential amplifier comparing a second differential input signal with the bias
voltage to output a second internal signal; and

an output unit including a third differential amplifier comparing the first internal signal with the second internal signal
to output a first differential output signal and a second differential output signal,

wherein the first differential amplifier and the second differential amplifier drive the first internal signal and the second
internal signal, respectively, by using an external power voltage received from an external power node separated from the
internal power node; and the third differential amplifier drives the first differential output signal and the second differential
output signal by using the external power voltage, and

wherein the first to third differential amplifiers operate on the basis of current sources operating in response to a control
voltage.

US Pat. No. 9,420,357

METHOD AND APPARATUS FOR SELECTING WAVELENGTH BY WAVELENGTH TUNABLE OPTICAL RECEIVER

ELECTRONICS AND TELECOMMU...

1. A method of selecting a wavelength of a wavelength tunable optical receiver, comprising:
receiving, by the wavelength tunable optical receiver, an optical signal from a wavelength tunable optical transmitter;
filtering, by the wavelength tunable optical receiver, the optical signal through a low frequency band electrical signal filter,
and obtaining a low frequency signal;

determining, by the wavelength tunable optical receiver, whether the low frequency signal is a valid signal based on a current
value of the low frequency signal; and

when the low frequency signal is the valid signal, obtaining, by the wavelength tunable optical receiver, an enable condition
of a wavelength tunable optical filter according to one or more channels selected by the low frequency signal,

wherein the low frequency signal includes a control/monitoring signal.

US Pat. No. 9,377,421

THERMAL CONDUCTIVITY MEASURING DEVICE AND METHOD OF MEASURING THE THERMAL CONDUCTIVITY

ELECTRONICS AND TELECOMMU...

1. A thermal conductivity measuring method comprising:
providing heat to a first structure connected to one side end of a sample;
measuring temperatures of the first structure and a second structure connected to the other side end of the sample;
measuring temperatures of a first stage supporting the first structure and a second stage supporting the second structure;
and

calculating thermal conductivity of the sample using the amount of heat provided to the first structure and the measured temperatures
of the first structure, the second structure, the first stage and the second stage.

US Pat. No. 9,362,744

SERIAL LOADING CONSTANT POWER SUPPLY SYSTEM

ELECTRONICS AND TELECOMMU...

1. A serial load constant current source direct current power supply system comprising:
a power supply unit comprising a constant current source outputting a direct current;
a power supply feeding line connected to the constant current source;
a constant current load having the same rated current characteristic as the constant current source;
a buck current converter converting a current flowing through the power supply feeding line into a load current of a buck
load that has a rated current characteristic smaller than that of the constant current source;

a boost current converter converting the current flowing through the power supply feeding line into a load current of a boost
load that has a rated current characteristic greater than that of the constant current source;

a buck-boost current converter converting the current flowing through the power supply feeding line into a load current of
a buck-boost load that has a rated current characteristic greater or smaller than that of the constant current source;

first to third current converting controllers controlling the buck, boost, and buck-boost current converters, respectively;
and

a protection circuit for protecting the buck, boost, and buck-boost current converters and the constant current source;
wherein the power supply feeding line supplies a direct current to the constant current load, the buck current converter,
the boost current converter, and the buck-boost current converter that are connected in series through the power supply feeding
line.

US Pat. No. 9,322,898

APPARATUS AND METHOD FOR ESTIMATING DIRECTION OF RADIO FREQUENCY SIGNAL

ELECTRONICS AND TELECOMMU...

13. A method of estimating a direction of an RF signal, comprising:
determining, by a control unit, RSSI (Received Signal Strength Indicator) values at respective pointing angles of an antenna,
based on a received signal of the antenna and information of an electronic compass related to a pointing direction and a pointing
angle of the antenna;

extracting, by the control unit, a maximum RSSI value from the RSSI values at the respective pointing angles, and storing
the maximum RSSI value and a pointing direction corresponding to the maximum RSSI value; and

displaying, by a display unit, the RSSI values at the respective pointing angles and a trajectory of the RSSI values at the
respective pointing angles,

wherein the determining RSSI values at respective pointing angles of an antenna comprises:
calculating an average of a plurality of RSSI values generated at each pointing angle of the antenna; and
determining the calculated average to be an RSSI value at the corresponding pointing angle.

US Pat. No. 9,313,719

APPARATUS FOR PROVIDING INFORMATION ABOUT AVAILABLE SERVICE USING PROXY SERVER AND METHOD THEREFOR

ELECTRONICS AND TELECOMMU...

1. An apparatus for providing information about an available service using a proxy, the apparatus comprising:
a base station for a wireless network or a proxy server in a local area network, the base station or proxy server including:
a database configured to store available service information and received information about registration of subscription;
an available service checker configured to receive, from a user, available service query data that contains a service ID;
compare the received data with available service data; in response to a comparison result indicating that a corresponding
service is present, generate and transmit to the user available service response data that comprises information about a service
corresponding to the service ID; and in response to a comparison result indicating that the corresponding service is not present,
transmit the information about registration of subscription which is generated by subscribing to and registering a service
corresponding to the service ID;

an available service searcher configured to transmit service discovery query data associated with the subscribed service corresponding
to the service ID, obtain available service data from received service discovery response data regarding a service providing
device and whether or not the service providing device provides the service corresponding to the service ID of the service
discovery query data, and transmit the obtained available service information; and

an available service broadcaster configured to broadcast the obtained available service information to users which include
at least one user that has sent the available service query data.

US Pat. No. 9,270,381

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING COHERENT OPTICAL OFDM

ELECTRONICS AND TELECOMMU...

3. An apparatus for transmitting coherent optical OFDM, comprising:
a transmitted OFDM digital signal processing unit outputting an in-phase (I) component digital signal and a quadrature phase
(Q) component digital signal;

a digital-analog converter converting the in-phase (I)-component digital signal and the quadrature-phase (Q)-component digital
signal into an in-phase (I)-component analog signal and a quadrature-phase (Q)-component analog signal, respectively;

a first optical I/Q modulator up-converting the in-phase (I)-component analog signal and the quadrature-phase (Q)-component
analog signal outputted from the digital-analog converter to an optical domain to output a coherent optical OFDM signal;

a second optical I/Q modulator up-converting an applied additional pilot tone signal to the optical domain to output an additional
pilot tone optical signal; and

an optical coupler outputting the coherent optical OFDM signal including the additional pilot tone optical signal by optically
coupling the coherent optical OFDM signal and the additional pilot tone optical signal with each other;

wherein the additional pilot tone signal is present in a low-frequency or high-frequency band which is not overlapped with
one or more OFDM data subcarrier bands;

wherein the one or more OFDM subcarrier bands are above or below a frequency which is centered on a DC component, and
wherein a phase of the additional pilot tone signal is estimated at a receiver and an OFDM data subcarrier is multiplied by
a complex conjugate of the estimated phase to compensate a phase noise of the OFDM data subcarrier.

US Pat. No. 9,264,909

ACCESS POINT APPARATUS FOR CONFIGURING NEXT GENERATION WIRELESS COMMUNICATION NETWORK AND METHOD OF OPERATING THE ACCESS POINT APPARATUS

ELECTRONICS AND TELECOMMU...

1. An access point apparatus, comprising:
a verification unit configured to verify a first available band associated with at least one of a first band and a second
band, verify a second available band associated with one of the first band and the second band, verify, as the second available
band, a second candidate band available in the second band when a distance from the station is less than a predetermined interval,
and verify, as the second available band, a first candidate band available in the first band when the distance from the station
is greater than or equal to the predetermined interval;

first and second communication modules including respective radio frequency (RF) transceivers configured to provide communications
in the first and second band, respectively; and

a configuration unit configured to configure a backbone network with another access point apparatus positioned within a predetermined
distance, through the verified first available band, and connect to a station positioned within the predetermined distance,
through the verified second available band,

wherein the first band includes a plurality of first candidate bands,
wherein the second band includes a plurality of second candidate bands,
wherein each first candidate band uses a first communication standard and each second candidate band uses a second communication
standard different from the first communication standard,

wherein the first available band is selected from the plurality of first candidate bands and the plurality of second candidate
bands,

wherein the verification unit is configured to verify the first available band by determining an availability of a first candidate
band and determining an availability of a second candidate band, and

wherein the second available band is selected from the plurality of first candidate bands and the plurality of second candidate
bands.

US Pat. No. 9,233,854

METHOD OF FABRICATING A METAL OXIDE

ELECTRONICS AND TELECOMMU...

1. A method of fabricating a metal oxide sheet having a polycrystalline structure, the method comprising:
mixing a metal precursor material, a base material, and distilled water with each other to fabricate a preparation solution;
adding an anionic surfactant into the preparation solution to forming a precursor solution;
forming metal oxide nanoparticles in the precursor solution, wherein each of the metal oxide nanoparticles comprises a metal
cation and an oxygen anion; and

fabricating a metal oxide sheet by coupling the metal oxide nanoparticles to each other,
wherein, in an aspect of a plane, the metal oxide sheet has a hexagonal shape and a polycrystalline structure.

US Pat. No. 9,231,687

COMMUNICATION APPARATUS AND COMMUNICATION SYSTEM INCLUDING THE SAME, AND DUAL POLARIZATION SIGNAL TRANSMITTING AND RECEIVING METHOD OF COMMUNICATION SYSTEM

ELECTRONICS AND TELECOMMU...

1. A communication system including a first communication apparatus and a second communication apparatus that communicate
with each other through a dual polarization antenna, the system comprising:
a first communication apparatus which calculates a co-polar ratio defined by a ratio of a first channel gain for a first polarization
and a second channel gain for a second polarization; and

a second communication apparatus which calculates a first rotation angle for the first polarization and a second rotation
angle for the second polarization, respectively, by using the co-polar ratio transferred from the first communication apparatus,
and transmits to the first communication apparatus a first rotational polarization generated by rotating the first polarization
at the first rotation angle and a second rotational polarization generated by rotating the second polarization at the second
rotation angle.

US Pat. No. 9,225,781

APPARATUS AND METHOD FOR GENERATING VIRTUAL SENSOR IN SENSOR NETWORK

ELECTRONICS AND TELECOMMU...

4. A method of generating a virtual sensor by a smart device, the method comprising:
upon entering a sensor network area, searching, by the smart device, for a sensor node at a periphery of the smart device
in the sensor network area, and setting a communication connection from the smart device to the sensor node;

receiving, by the smart device from the sensor node via the communication connection, a plurality of profiles, each profile
being that of the sensor node or that of one of a plurality of physical sensors connected to the sensor node;

generating, by the smart device, a plurality of logical sensors respectively corresponding to the plurality of physical sensors,
and assigning the profile of each physical sensor to one of the logical sensors corresponding to said each physical sensor;

generating, by the smart device, a virtual sensor using at least one logical sensor of the plurality of logical sensors; and
generating, by the smart device, an application service using the generated virtual sensor, and providing, by the smart device,
the application service to a user.

US Pat. No. 9,219,513

WIRELESS COMMUNICATION SYSTEM

ELECTRONICS AND TELECOMMU...

1. A wireless communication system comprising:
an embedded-type antenna embedded in a base; and
a wireless communication unit including a communication unit that is connected to the embedded-type antenna and exchanges
information with an external device, and a housing that is arranged to surround the communication unit, wherein at least one
of the communication unit and the housing performs transmission and reception of electric waves as a substitute of the embedded-type
antenna:

wherein the embedded-type antenna has a lower side in contact with the base and an upper side not in contact with the base,
and the wireless communication unit is disposed on the upper side of the embedded-type antenna, and the embedded-type antenna
is disposed between the base and the wireless communication unit, such that the wireless communication unit is supported by
the embedded-type antenna and the wireless communication unit is fixed to the base by the embedded-type antenna;

wherein the communication unit includes a communication module that performs overall control of the communication unit, a
first cable that connects the communication module to the embedded-type antenna, and a second cable that connects the communication
module to an internal side of the housing.

US Pat. No. 9,209,232

DUAL-MODE PIXELS INCLUDING EMISSIVE AND REFLECTIVE DEVICES, AND DUAL-MODE DISPLAY USING THE PIXELS

ELECTRONICS AND TELECOMMU...

1. A dual-mode display comprising:
a substrate; and
a plurality of sub-pixels on the substrate,
wherein each sub-pixel comprises:
an emissive device;
a color selection reflector disposed on one side of the emissive device; and
an optical shutter disposed on another side of the emissive device,
wherein the emissive device comprises a cathode and an anode, and
the cathode and the anode comprise a carbon-based material including graphene sheets, graphene flakes, and graphene platelets,
and a binary or ternary transparent conductive oxide including indium oxide, tin oxide, and zinc oxide.

US Pat. No. 9,197,370

METHOD OF DETECTING PACKET ERROR OF RETURN LINK PERFORMED IN SATELLITE COMMUNICATION APPARATUS

Electronics and Telecommu...

1. A method of detecting packet error of a return link performed in a satellite communication apparatus receiving packets
through the return link, comprising:
generating a first return link packet combination by assembling at least one fragmented packet received through the return
link; and

determining if there is an error of the first return link packet combination using at least one of fragmentation information
on at least one second return link packet received after the first return link packet combination is generated and packet
process state information, wherein the error of the first return link packet combination is determined when the first return
link packet combination is complete and when the first return link packet combination is not complete.

US Pat. No. 9,197,401

MULTI-BAND RECEIVER

Electronics and Telecommu...

1. A multi-band receiver comprising:
an analog-to-digital converter configured to convert multi-band analog radio signals into a digital baseband signal; and
a first signal extracting unit configured to generate a first path signal by changing a sampling rate of the digital baseband
signal and sample-delaying the digital baseband signal, and generate a second path signal by bypassing the digital baseband
signal, wherein

the first signal extracting unit includes a first adder having the first and the second path signals as inputs and extracting
a first baseband signal at an output, using a first group delay difference between the first and second path signals caused
by a first sample delay difference between the first and second path signals.

US Pat. No. 9,193,340

WHEEL SPEED SENSOR INTERFACE, OPERATION METHOD THEREOF, AND ELECTRONIC CONTROL SYSTEM INCLUDING THE SAME

ELECTRONICS AND TELECOMMU...

1. An electronic control system of a vehicle comprising a wheel speed sensor interface, a micro control unit, and a wheel
speed sensor unit, the wheel speed sensor interface comprising:
a speed pulse detection circuit configured to receive a plurality of sensor signals, each of the plurality of sensor signals
including a plurality of pulses indicative of wheel speed information of a vehicle at different times, detect the plurality
of pulses to generate a corresponding one of a plurality of speed pulse signals, and transmit the generated speed pulse signals
to the micro control unit; and

a comparison speed detection circuit including a plurality of counters each configured to count a number of pulses of a corresponding
one of the speed pulse signals during a predetermined period to generate a corresponding one of a plurality of counting values,
and a time division multiplexer configured to generate comparison speed information by multiplexing the plurality of counting
values based on a time division method, and transmit the generated comparison speed information to the micro control unit;
and the micro control unit configured to detect an error of speed pulse signals based on the comparison speed information
and control the vehicle based on the speed pulse signals.

US Pat. No. 9,182,973

DEVICE AND METHOD FOR SMART DEVICE AND SENSOR NODE INTEGRATED APPLICATION UPDATE

ELECTRONICS AND TELECOMMU...

1. A smart device and sensor node integrated application program updating device, the device comprising:
a generator configured to
download a sensing application from an application market server, and
install the sensing application to thereby generate a package, including a plurality of directories, in a storage space based
on a predetermined package structure, and to store, in at least one of the plurality of directories, an installation file
and a profile of an application program interworking with the sensing application;

an extractor configured to extract, from the at least one of the plurality of directories, the installation file and the profile;
a recognizer configured to recognize a sensor node by referring to the profile;
an installer configured to transmit the installation file to the sensor node; and
an executor configured to cause the sensor node to execute the application program and to execute the sensing application
after the application program is installed in the sensor node, so that the sensing application interworks with the application
program, wherein

the profile comprises information of a sensor node jointly controlled by the sensing application and the application program,
and is prepared in an integrated development environment in which a sensing application development tool and a sensor node
application development tool interwork with one another.

US Pat. No. 9,142,025

METHOD AND APPARATUS FOR OBTAINING DEPTH INFORMATION USING OPTICAL PATTERN

ELECTRONICS AND TELECOMMU...

1. An apparatus for obtaining depth information using an optical pattern, the apparatus comprising:
a pattern projector to generate the optical pattern using a light source and an optical pattern projection element (OPPE),
and to project the optical pattern towards an object area, the OPPE comprising a pattern that includes a plurality of pattern
descriptors;

an image obtaining unit to obtain an input image by photographing the object area; and
a depth information obtaining unit to measure a change in a position of at least one of the plurality of pattern descriptors
in the input image, and to obtain depth information of the input image based on the change in the position,

wherein the pattern of the OPPE is adapted to obtain the depth information,
wherein the OPPE is configured to accurately focus shapes of the pattern of the OPPE on the object area by projecting on a
space, and

wherein the depth information obtaining unit obtains depth information of the input image according to Equation 1:

where z (xi, yi) denotes a depth value of a pattern descriptor having coordinates (xi, yi) in the input image, (xp, yp) denotes coordinates of the optical pattern, ?p denotes a projection angle of the pattern projector, ?i denotes an incidence angle of the image obtaining unit, D denotes a center distance between the pattern projector and the
image obtaining unit, and wz denotes a distortion correction item between a pattern included in the optical pattern and a pattern included in the input
image.

US Pat. No. 9,121,874

METHOD AND APPARATUS FOR MEASURING RADIATED POWER OF ANTENNA

ELECTRONICS AND TELECOMMU...

1. An apparatus for measuring radiated power of a high-gain antenna, comprising:
a chamber which an absorber is attached to a wall thereof;
a source antenna and a high-gain test antenna configured to be arranged within the chamber;
a rotational axis configured to adjust an arrangement angle of the high-gain test antenna in up-and-down directions;
a roll positioner disposed at a first end of the rotational axis and configured to rotate the high-gain test antenna while
making the rotational axis a center to adjust the arrangement angle in the up-and-down directions;

a turntable configured to be provided within the chamber and capable of rotating in a left-to-right direction orthogonal to
the up-and-down directions;

a connection unit configured to allow the high-gain test antenna to rotate in the left-to-right direction while the turntable
is being rotated; and

a supporting unit configured to be rotatably connected to one end of the rotational axis which the other end thereof is rotatably
connected to the roll positioner, wherein the connection unit is connected to both the supporting unit and the roll positioner.

US Pat. No. 9,118,947

MULTI-VISION VIRTUALIZATION SYSTEM AND METHOD

ELECTRONICS AND TELECOMMU...

1. A multi-vision virtualization server comprising:
a multi-vision controller configured to divide received image content into two or more image content segments, generate two
or more virtual machines by allocating resources required for decoding each of the image content segments based on processing
capabilities and number of image content segments, and decode the image content segments using the respective generated virtual
machines;

a synchronization manager configured to generate synchronous reproduction information to synchronize two or more scene clients
that display decoded image segments on their screens; and

a session manager configured to establish virtual channels between each of the two or more scene clients and the multi-vision
virtualization server, transmit the decoded image segments to the corresponding scene clients, and transmit the generated
synchronous reproduction information to a first scene client among the two or more scene clients.

US Pat. No. 9,118,568

AUTOMOTIVE PARTIAL NETWORKING APPARATUS AND METHOD

ELECTRONICS AND TELECOMMU...

1. An automotive partial networking method, comprising:
receiving, by an automotive partial networking apparatus, a first partial networking-only Controller Area Network (CAN) frame
from outside;

searching, by the automotive partial networking apparatus, a partial network table based on the first partial networking-only
CAN frame for a CAN identification (ID);

generating, by the automotive partial networking apparatus, a second partial networking-only CAN frame using the CAN ID; and
performing, by the automotive partial networking apparatus, partial networking by transferring the generated second partial
networking-only CAN frame to at least one electronic control unit corresponding to a vehicle service.

US Pat. No. 9,118,892

APPARATUS AND METHOD FOR ENCODING AND DECODING MOVING PICTURE USING ADAPTIVE SCANNING

Electronics and Telecommu...

1. A non-transitory computer-readable storage medium storing a program for controlling a computer to perform a method of decoding
motion pictures based on adaptive scanning, the method comprising:
performing entropy decoding of an encoded bitstream to obtain entropy-decoded signals;
determining a scanning method for the entropy-decoded signals;
recovering a picture from the entropy-decoded signals according to the scanning method; and
outputting the recovered picture;
wherein the scanning method is an adaptive scanning method according to an intra prediction mode for the entropy-decoded signals
and comprises:

scanning entropy-decoded signals of a first row with priority so that all of the entropy-decoded signals of the first row
are scanned prior to scanning entropy-decoded signals of any other row in response to the intra prediction mode being a vertical
mode; and

scanning entropy-decoded signals of a first column with priority so that all of the entropy-decoded signals of the first column
are scanned prior to scanning entropy-decoded signals of any other column in response to the intra prediction mode being a
horizontal mode.

US Pat. No. 9,106,495

WIRELESS COMMUNICATION METHOD AND APPARATUS BASED ON CHANNEL FUNCTION

Electronics and Telecommu...

1. A wireless transmitting apparatus using a digital modulation scheme, the apparatus comprising:
a serial/parallel converter which converts input serial data into parallel data signals;
a data modulator which modulates the parallel data signals to generate modulation symbols;
a channel modulator which generates a channel symbol function corresponding to each modulation symbol;
a symbol combiner which combines each modulation symbol with the channel symbol function corresponding to the modulation symbol
to generate a transmission symbol; and

a radio frequency (RF) transmitter which transits the generated transmission symbol to a receiving apparatus through an antenna.

US Pat. No. 9,094,118

SYSTEM FOR PROVIDING WDM-BASED WIRELESS OPTICAL TRANSPORT NETWORK AND METHOD FOR TRANSMITTING WIRELESS OPTICAL SIGNAL USING THE SAME

Electronics and Telecommu...

1. A system for providing a wavelength division multiplexing (WDM)-based wireless optical transport network, the system comprising:
a central office terminal (COT) for bilaterally transmitting wireless optical signals having different unique wavelengths;
and

a plurality of remote terminals (RTs) connected to the COT in a ring, for dropping a wireless optical signal of a corresponding
unique wavelength from the wireless optical signals transmitted from the COT, for adding a corresponding optical transmission
signal to wireless optical signals of remaining wavelengths except for the corresponding unique wavelength of the dropped
wireless optical signal, and for bilaterally transporting the wireless optical signals to which the corresponding optical
transmission signal is added.

US Pat. No. 9,076,345

APPARATUS AND METHOD FOR TUTORING IN CONVERGENCE SPACE OF REAL AND VIRTUAL ENVIRONMENT

Electronics and Telecommu...

1. A method for tutoring using a convergence space, the method comprising:
generating tutor image data from an image of a tutor in a first real space and generating character shape and operation data
of a tutor by capturing a character image of the tutor;

generating participant image data from an image of a participant in a second real space and generating voice or sound data
based on voice or sound generated in a tutoring environment;

generating real space data virtualized by using the character shape data and the voice or sound data and providing the generated
real space data to the participant through a communication network;

providing the tutor image data and the participant image data to the convergence space;
generating tutor object data from a first real object in the first real space;
generating participant object data from a second real object in the second real space;
providing the tutor object data and the participant object data to the convergence space;
providing convergence space data to the tutor and the participant, the convergence space data including convergence object
data which comprises the first real object data and the second real object data;

detecting an alteration to the first real object by the tutor;
updating the convergence object data based on the alteration to the first real object by the tutor; and
synchronizing the second object with the first object by projecting a first altered object image based on the convergence
object data onto the second real object using a projector,

wherein a three-dimensional character shape generated by applying a structured from motion method to the character image and
three-dimensional operation data is generated by analyzing object deformation configured from the changing three-dimensional
shape, wherein the character shape and operation data are transformed by referring to a character selected or preferred by
the participant.

US Pat. No. 9,069,146

OPTICAL MODULES

ELECTRONICS AND TELECOMMU...

1. An optical module comprising:
a thermo-electric cooler unit;
a first optical bench with a lens on the thermo-electric cooler unit;
a second optical bench with a trench, contacting on the first optical bench except for a region with the lens;
at least one semiconductor chip in the trench of the second optical bench;
a flexible printed circuit board covering an upper surface of the second optical bench except for the trench; and
a metal package component surrounding the thermo-electric cooler unit, the first optical bench with the lens, the second optical
bench with the semiconductor chip, and the flexible printed circuit board to protect them from an external environment,

wherein the first and second optical benches are a metal optical bench or a silicon optical bench.

US Pat. No. 9,066,255

DISTRIBUTED LOAD CONTROL THE MOBILE COMMUNICATION NETWORK

Electronics and Telecommu...

1. A mobile communication system comprising:
a base station including a first load controller configured to collect first load control information through uplink (UL)
and downlink (DL), determine an available resource according to of the first load control information when a call setup request
is provided from a terminal, and request a first core network device to set up a call if there is the available resource;
and

a first load state information database (DB) configured to store the first load control information,
wherein the first load control information includes radio resource information and load state information of the first core
network device,

wherein an overload state of the first core network is determined according to the available resource of the first core network
device and a load state of a second core network device.

US Pat. No. 9,049,465

MEDIA SHARING APPARATUS AND METHOD

Electronics and Telecommu...

1. A media sharing apparatus comprising:
a terminal information management unit for, when a media playing terminal is connected thereto, requesting profile information
from the connected media playing terminal, storing profile information, and managing profile information after the profile
information is received from the media playing terminal;

a media information management unit for determining whether to convert media data to be provided to the media playing terminal
based on the profile information of the media playing terminal, and ascertaining media conversion information suitable for
a type of the media playing terminal, wherein the media information management unit is configured to, if it is determined
that the media data to be provided to the media playing terminal requires data conversion, perform a search to determine whether
the media data suitable for the type of the media playing terminal or source media data is present among pieces of pre-stored
media data;

a media conversion unit for converting the media data into data suitable for the type of the media playing terminal depending
on a result of the determination by the media information management unit;

a storage unit separate from the media playing terminal to store a data set by the media sharing apparatus and to store the
media data converted by the media sharing apparatus; and

a data processing unit for providing at least one of media data suitable for the type of the media playing terminal and media
data converted by the media conversion unit, to the media playing terminal, wherein the media data suitable for the type of
the media playing terminal and the media data converted by the media conversion unit are either among the pieces of the pre-stored
media data or from a service providing server.

US Pat. No. 10,244,526

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING USING SHORT TTI

ELECTRONICS AND TELECOMMU...

1. A terminal of a wireless communication system, the terminal comprising:a processor, a memory, and a radio frequency (RF) unit,
wherein the processor executes a program stored in the memory to perform:
decoding a plurality of short control channel elements (sCCEs) included in a plurality of short resource block sets (sRBSs), wherein the plurality of sRBSs are received in unit of a short transmission time interval (sTTI) in a short delay region of a subframe by using the RF unit; and
receiving, when a control channel is successfully decoded from a decoding result of at least one sCCE of the plurality of sCCEs, data in at least one sRBS including the at least one sCCE by using the RF unit,
wherein each of the plurality of sRBSs includes a sCCE of the plurality of sCCEs.

US Pat. No. 10,231,211

METHOD FOR PAGING INFORMATION IN CELLULAR SYSTEM

Electronics and Telecommu...

1. A method for obtaining paging information at a user equipment in a wireless communication system, the method comprising:receiving, at the user equipment, first information through a control channel in a subframe, wherein the subframe comprises the control channel and a shared channel and at least a portion of the first information indicates physical layer radio resources;
determining, at the user equipment, that an identifier is used in the first information, wherein the identifier indicates that the paging information is transmitted through the shared channel in the subframe; and
obtaining, without determining whether or not the paging information is intended for the user equipment, the paging information transmitted through the shared channel in the subframe in response to the identifier being used in the first information, wherein the paging information is obtained based on the physical layer radio resources indicated by the portion of the first information.

US Pat. No. 10,231,267

ACCESS CONTROL METHOD AND APPARATUS BASED ON SERVICE LEVEL

ELECTRONICS AND TELECOMMU...

1. An operation method of a server in a communication network, comprising:receiving a connection request message from each of a plurality of gateways connected to the server;
identifying a service level of a terminal that has transmitted the connection request message based on information included in the connection request message;
selecting a first gateway corresponding to the service level among the plurality of gateways as a gateway to which the terminal is to be connected; and
transmitting a connection approval message, which is a response to the connection request message, to the terminal through the first gateway,
wherein the selecting a first gateway further includes,
identifying a number of terminals connected to each of the plurality of gateways; and
selecting a gateway having a terminal density equal to or lower than a terminal density corresponding to the service level of the terminal and signal strength among the plurality of gateways as the first gateway.

US Pat. No. 10,110,250

LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 64800 AND CODE RATE OF 3/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...


US Pat. No. 10,070,472

DEVICE TO DEVICE COMMUNICATION METHOD USING PARTIAL DEVICE CONTROL

Electronics and Telecommu...

1. A device-to-device (D2D) communication method as an operation method of a first user equipment (UE) for measuring and reporting channel state information (CSI) on D2D communication in which the first UE and a second UE participate, the D2D communication method comprising:at a request of a base station, measuring and reporting first CSI on a whole or a part of an entire cellular band to the base station;
receiving D2D resource allocation information based on the first CSI from the base station;
measuring and reporting second CSI on D2D resources based on the D2D resource allocation information to the second UE;
receiving a D2D grant from the second UE; and
performing D2D data reception through the D2D resources according to a modulation and coding scheme (MCS) included in the D2D grant,
wherein the MCS is determined by the second UE based on the second CSI.

US Pat. No. 10,064,016

METHOD AND APPARATUS FOR CONNECTION CONFIGURATION BETWEEN BASE STATION AND TERMINAL

ELECTRONICS AND TELECOMMU...

1. A method for connection configuration of a terminal, comprising:configuring a connection with a base station after being transited to an idle mode by using a cell-radio network temporary identifier (C-RNTI) which has been used in a connection mode before the idle mode, when a transmission request of uplink data occurs until a release time of the C-RNTI, wherein the release time of the C-RNTI is used to notify an end of a time of maintaining the C-RNTI in the base station;
verifying validity of an existing timing advance (TA) used in the connection mode before the idle mode; and
transmitting the uplink data based on the TA and an uplink grant received from the base station when the existing TA is valid.

US Pat. No. 10,038,471

METHOD AND APPARATUS FOR CANCELING SELF-INTERFERENCE

Electronics and Telecommu...

1. A transmitting and receiving node of an in-band full duplex (IFD) system, the transmitting and receiving node comprising:a receive module configured to receive a signal;
a controller configured to determine a filter coefficient for an analog filter of the node, wherein the analog filter is operated in an analog domain; and
the analog filter configured to cancel self-interference generated in the received signal by a transmitted signal transmitted from the node based on the filter coefficient,
wherein the transmitted signal is transmitted in a transmitting phase included in a training field of a time domain, and is not transmitted in an empty phase included in the training field.

US Pat. No. 10,033,491

DATA TRANSMISSION DEVICE FOR HUMAN BODY COMMUNICATION, PREAMBLE GENERATION METHOD THEREOF, AND FRAME SYNCHRONIZATION METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A method for wireless communication in a human body network, the method comprising:generating a preamble of a transmission signal by:
adjusting a length of a frequency shift code (FSC) according to an operating clock frequency or a transmission rate and a first pseudo random binary sequence (PRBS) code of p chips where p is a natural number;
generating a first preamble unit block of n chips where n is a natural number using the FSC;
generating a second preamble unit block of n? chips using the FSC and a second PRBS code of p? chips; and
arraying the first preamble unit block consecutively and repeatedly and disposing the second preamble unit block at a next stage to form the preamble of the transmission signal, and
transmitting the transmission signal that includes the preamble over the human body network.

US Pat. No. 10,034,158

METHOD OF MAINTAINING INTERNET PROTOCOL (IP) CONNECTIVITY IN LOW POWER INTERNET OF THINGS (IOT) COMMUNICATION DEVICE BASED ON NEAR FIELD COMMUNICATION (NFC), AND DEVICE OPERATING THE SAME

ELECTRONICS AND TELECOMMU...

1. A device for low power networking based on near field communication (NFC), the device comprising:a processor; and
a non-transitory computer-readable media including program instructions to implement:
an adaptation layer for the NFC configured to request a link layer node identification (ID); and
a logical link layer including a binding to NFC for returning the link layer node ID to the adaptation layer for the NFC to secure an internet protocol (IP) connectivity in response to a request for the link layer node ID,
wherein the adaptation layer for the NFC generates an Internet Protocol version 6 (IPv6) interface identifier (IID) using the link layer node ID returned to the adaptation layer for the NFC,
wherein, when the IP connectivity is requested, the binding to NFC returns a link layer node ID stored in a cache to the adaptation layer for the NFC, and
when the IP connectivity is not requested, a cache is emptied, and a newly generated link layer node ID is returned to the adaptation layer for the NFC without being stored in the cache,
wherein, when the IP connectivity is requested and if the link layer node ID is absent from the cache, a new link layer node ID is generated and stored in the cache, and the new link layer node ID is returned to the adaptation layer for the NFC.

US Pat. No. 10,027,736

APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT

Electronics and Telecommu...

1. A method for receiving media content in a terminal performed by a processor, the method comprising:receiving metadata of media content, the metadata comprising an attribute with multiple BaseURL elements,
selecting a BaseURL element from the multiple BaseURL elements;
sending a request for a segment of the media content using a URL of the segment to a server, the URL being generated based on the selected BaseURL element;
receiving the segment from the server,
wherein the metadata is Media Presentation Description (MPD),
wherein the MPD describes one or more periods,
wherein the period includes one or more groups
wherein the group includes one or more representation,
wherein the representation includes one or more segments of the media content,
wherein the receiver receives identical segments that are accessible at multiple locations indicated by URLs resolved with respect to the respective BaseURL elements, and a first BaseURL element among the BaseURL elements is used as a base Universal Resource Indicator (URI).

US Pat. No. 10,004,045

TRANSMISSION POWER MANAGING METHOD OF HETEROGENEOUS NETWORK SYSTEM

ELECTRONICS AND TELECOMMU...

1. A transmission power managing method of a heterogeneous network system, the method comprising:determining, when a first terminal communicates with a second terminal by using a first Device-to-Device (D2D) transmission power value through a first communication network, whether a first cellular transmission power value of a third terminal satisfying a quality condition of the third terminal which communicates with a base station through a second communication network exists;
determining, when the first cellular transmission power value exists and the third terminal communicates with the base station by using the first cellular transmission power value, whether a second D2D transmission power value of the first terminal satisfying a quality condition of the second terminal exists;
updating, by the first terminal, the first D2D transmission power value to the second D2D transmission power value when the second D2D transmission power value exists;
determining whether a second cellular transmission power value of the third terminal, which satisfies a quality condition of the third terminal exists when the first terminal communicates with the second terminal by using the second D2D transmission power value; and
communicating, by the first terminal, with the second terminal by using the second D2D transmission power value when the second cellular transmission power value exists.

US Pat. No. 9,998,222

OPTICAL SIGNAL TRANSMISSION SYSTEM AND METHOD OF ALLOCATING CENTER FREQUENCIES OF INTERMEDIATE FREQUENCY (IF) CARRIERS FOR FREQUENCY DIVISION MULTIPLEXING (FDM) OPTICAL FIBER LINK

ELECTRONICS AND TELECOMMU...

1. An optical signal transmission method comprising:determining a center frequency interval between modulated signals based on a bandwidth of the modulated signals;
reallocating center frequencies to the modulated signals based on the center frequency interval between the modulated signals; and
converting the modulated signals reallocated the center frequencies from electrical signal into optical signal and transmitting the optical signal,
wherein the determining comprises determining a multiple of the bandwidth of the modulated signals to be the center frequency interval between the modulated signals.

US Pat. No. 9,998,800

3D BROADCAST SERVICE PROVIDING METHOD AND APPARATUS, AND 3D BROADCAST SERVICE REPRODUCTION METHOD AND APPARATUS FOR USING IMAGE OF ASYMMETRIC ASPECT RATIO

ELECTRONICS AND TELECOMMU...

1. A method of providing a three-dimensional (3D) broadcast service, the method comprising:adjusting an aspect ratio of a second viewpoint image for mobile broadcast using letterboxing or pillarboxing so that the second viewpoint image has a same aspect ratio as that of a first viewpoint image with respect to an active area, when the aspect ratios of the first viewpoint image and the second viewpoint image are not identical;
encoding the first viewpoint image and the adjusted second viewpoint image for 3D broadcasting; and
generating an Active Format Description (AFD) for bar data to indicate presence of a bar related to a letterbox or a pillarbox used for adjusting the aspect ratio of the second viewpoint image,
wherein the first viewpoint image is transmitted using a main service, and the second viewpoint image is transmitted using a mobile service,
wherein the aspect ratio of the first viewpoint image for a transmission format of the main service is same as an aspect ratio of a display for reproducing a 3D broadcast image obtained by composing the first viewpoint image and the second viewpoint image,
wherein a size of the first viewpoint image for the main service is larger than a size of the second viewpoint image for the mobile service, and is same as a size of the display,
wherein the adjusting comprising:
scaling the size of the second view point image so that the aspect ratio thereof is the same as that of the first viewpoint image, and
applying the bar related to the letterbox or the pillarbox to the scaled second viewpoint image, and
wherein the active area of the second viewpoint image is extracted, and the extracted active area is subsequently scaled to the size of the display, before composing the first viewpoint image and the second viewpoint image for obtaining the 3D broadcast image and presenting the 3D broadcast image through the display.

US Pat. No. 9,948,616

APPARATUS AND METHOD FOR PROVIDING SECURITY SERVICE BASED ON VIRTUALIZATION

ELECTRONICS AND TELECOMMU...

1. An apparatus for providing security services based on virtualization, the apparatus comprising:a host virtual machine in which a host operating system that controls a general execution environment is operated;
a secure virtual machine, which is separated from the host virtual machine, and in which a secure operating system operates independently of the host operating system;
a virtual machine monitor portion configured to allocate the host virtual machine and the secure virtual machine by virtualization; and
in response to receiving a user input signal from the virtual machine monitor portion, the secure virtual machine encrypts data to transmit the encrypted data to a security service server by sequentially passing the virtual machine monitor portion and the host virtual machine.

US Pat. No. 9,941,418

SCHOTTKY DIODE HAVING A VARIED WIDTH STRUCTURE

Electronics and Telecommu...

1. A Schottky diode comprising:a first semiconductor layer;
an intermediate layer provided over the first semiconductor layer;
a second semiconductor layer provided over the intermediate layer
an insulating layer provided on the second semiconductor layer;
an anode provided over the second semiconductor layer, the anode coming into direct contact with the second semiconductor layer through an opening in the insulating layer; and
a cathode provided over the first semiconductor layer,
wherein in a sectional view, a width of the second semiconductor layer is greater than a width of the intermediate layer.

US Pat. No. 9,877,262

APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM

ELECTRONICS AND TELECOMMU...

1. A method for communicating data between a source station and a destination station, the method comprising:
transmitting, by the source station, data through a direct route to the destination station;
determining, at the source station, whether an Acknowledge (ACK) from the destination station is received during a first predetermined
period, and upon detecting that no ACK is received during the first predetermined period, performing first relay switching
at the source station and transmitting the data to the destination station via a relay route that uses a relay device; and

determining, at the destination station, whether the data from the source station is received during a second predetermined
period, and upon detecting that no data is received during the second predetermined period, immediately performing second
relay switching at the destination station and receiving the data via the relay route that uses the relay device, wherein

the second relay switching at the destination station is performed after the first relay switching at the source station.

US Pat. No. 9,864,104

BLEND PREPARED BY MIXING A PREPOLYMER AND A VINYL MONOMER AND A POLYMER SHEET OBTAINED THEREFROM

ELECTRONICS AND TELECOMMU...

1. A blend prepared by mixing a prepolymer and a vinyl monomer,
wherein the prepolymer is prepared by a condensation reaction between a first compound represented by Formula (1) below:
Ar—H   (1),
where Ar comprises (a) a crosslinkable moiety at one end, (b) a moiety selected from the group consisting of —O—, —S—, —COO—,
—CO—, —COS—, —SO2—, and —NH—, and (c) one or two repeating units selected from the group consisting of:


where A is carbon or nitrogen, and X is hydrogen or halogen; and
a second compound selected from the group consisting of an aromatic moiety having a structure as follows:

where y is an integer from 0 to 1000,
Y0 is selected from the group consisting of —, —O—, —S—, —COO—, —CO—, —COS—, —SO2— and —NH—,

E is selected from the group consisting of structures as follows:

where Y10 is selected from the group consisting of —, —O—, —S—, —COO—, —CO—, —COS—, —SO2— and —NH—, s and t are each independently an integer from 1 to 50, u is an integer from 0 to 50, and v is an integer from
1 to 100, and

D is selected from the group consisting of structures as follows:

where w and x are each independently an integer from 1 to 20.

US Pat. No. 9,860,011

METHOD AND APPARATUS FOR SELECTING WAVELENGTH IN HYBRID PASSIVE OPTICAL NETWORK SYSTEM

ELECTRONICS AND TELECOMMU...

1. A method of selecting a wavelength by a wavelength selecting apparatus in a hybrid passive optical network system, the
method comprising:
performing synchronization with any one of a plurality of downstream wavelengths;
when the synchronization is succeeded, determining whether to select the synchronized downstream wavelength for a registration
to an optical line terminal; and

when it is determined to select the synchronized downstream wavelength, performing the registration to the optical line terminal
through the synchronized downstream wavelength,

wherein the determining whether to select the synchronized downstream wavelength for the registration to the optical line
terminal includes:

receiving a profile Physical Layer Operation, Administration and Maintenance (PLOAM) message from the optical line terminal;
determining whether to select the synchronized downstream wavelength based on downstream wavelength information included in
the PLOAM message; and

when it is determined to select the synchronized downstream wavelength, storing a wavelength related parameter obtained during
the synchronization,

wherein the downstream wavelength information is included in a specific field of the PLOAM message, and
wherein the determining whether to select the synchronized downstream wavelength further includes when a downstream wavelength
ID obtained during the synchronization is the same as a value of the specific field, determining to select the synchronized
downstream wavelength.

US Pat. No. 9,858,684

IMAGE PROCESSING METHOD AND APPARATUS FOR CALIBRATING DEPTH OF DEPTH SENSOR

ELECTRONICS AND TELECOMMU...

6. An image processing apparatus for calibrating a depth sensor, the image processing apparatus comprising:
a projector of the depth sensor configured to project structured light;
a depth camera comprising a color camera, the depth camera configured to capture the structured light and the color camera
configured to capture a color image of a target object;

an image receiver, executed by a processor causing the processor to perform an image detector to obtain a depth image of the
target object captured by the depth sensor and the color image of the target object captured by the color camera, wherein:

the processor is configured to calibrate a geometrical relation between the projector and the depth camera based on the obtained
depth image and the color image, and to correct a depth of the depth sensor by calculating a correct feature point on an image
plane of the depth camera that corresponds to a feature point of an image plane of the projector,

wherein the processor comprises a first calculator configured to calculate a feature point on an image plane of the projector
that corresponds to a feature point with a predetermined depth value on an image plane of the depth camera,

a second calculator configured to calculate the correct feature point on the image plane of the depth camera that corresponds
to the feature point on the image plane of the projector that is calculated by the first calculator when structured light
is projected from an estimated correct position of the projector, and

a third calculator configured to calculate an actual depth value and actual three-dimensional (3D) coordinates of the correct
feature point on the image plane of the depth camera that has been calculated by the second calculator, and wherein

the second calculator is configured to calculate a rotation matrix correction value and a translation vector correction value,
calculate a corrected epipolar line on the image plane of the depth camera using the calculated rotation matrix correction
value and translation vector correction value and the feature point on the image plane of the projector that has been calculated
by the first calculator, and to search for a new feature point on the corrected epipolar line based on the rotation matrix
correction value and the translation vector correction value, wherein the new feature point corresponds to the correct feature
point on the image plane of the depth camera that corresponds to the feature point on the image plane of the projector.

US Pat. No. 9,853,362

ARRAY ANTENNA APPARATUS FOR ROTATION MODE, AND WIRELESS COMMUNICATION TERMINAL AND METHOD

Electronics and Telecommu...

1. An array antenna apparatus for a rotation mode, comprising:
an antenna array including a plurality of antenna elements; and
a control unit which determines an antenna pattern in accordance with a transmission/reception characteristic of a signal
and assigns a weight to antenna elements in a position corresponding to the determined antenna pattern on the antenna array
to implement a rotation mode antenna based on the antenna element to which the weight is assigned,

wherein the control unit implements a plurality of rotation mode antennas on the antenna array.

US Pat. No. 9,853,706

METHOD AND APPARATUS FOR MAPPING BASEBAND SIGNAL INTO BEAMSPACE

ELECTRONICS AND TELECOMMU...

1. A method for mapping a baseband signal into a beamspace by a transmitting apparatus in a communication system using a single
radio frequency (RF) chain, the method comprising:
generating baseband signals to be transmitted;
decomposing a steering vector of an antenna to generate a plurality of beam basis patterns orthogonal to each other; and
mapping the baseband signals into at least one beam basis pattern using geometrical information of the plurality of beam basis
patterns.

US Pat. No. 9,819,466

METHOD AND APPARATUS FOR RETRANSMITTING PACKET FOR LOW-POWER WIRELESS SENSOR COMMUNICATIONS

ELECTRONICS AND TELECOMMU...

1. A method of retransmitting a packet for low-power wireless sensor communications, the method comprising:
receiving packets from sensor devices during Guaranteed Time Slots (GTSs) of a Contention Free Period (CFP), wherein each
of the sensor devices is allocated a GTS;

checking, in each of the received packets, whether there is an error;
generating, according to results of the error checking, a GTS Bulk acknowledgement (ACK) frame that contains ACK information
to be transmitted to the respective sensor devices; and

transmitting the generated GTS Bulk ACK frame to the sensor devices during a beacon transmission time slot within a Contention
Access Period (CAP) offset, wherein the GTS Bulk ASK is transmitted either in a packet different from the beacon or in the
beacon.

US Pat. No. 9,804,815

DEVICE AND METHOD FOR GENERATING AUDIO DATA, AND DEVICE AND METHOD FOR PLAYING AUDIO DATA

Electronics and Telecommu...

1. An apparatus for playing audio data, the apparatus comprising:
a multi channel audio signal extractor to extract a multi channel audio signal included in a bitstream, wherein the multi
channel audio signal is generated based on a plurality of channel audio signals and object audio signals;

a descriptor extractor to extract a descriptor associated with the multi channel audio signal from the bitstream; and
a player to play the multi channel audio signal, based on the extracted descriptor,
wherein the descriptor includes information associated with an audio signal included in the multi channel audio signal,
wherein the descriptor comprises:
(i) information related to the number of channels, channel label, and spatial position of channel,
(ii) information related to a distance from a center of an audio signal playing space to a position where the multi channel
audio signal is played in the audio signal playing space,

(iii) information related to time and position determined based on moving of object audio signals.

US Pat. No. 9,804,346

RECEPTACLE-COLLIMATOR ASSEMBLY AND MULTI-WAVELENGTH OPTICAL RECEIVER MODULE

ELECTRONICS AND TELECOMMU...

1. A receptacle-collimator assembly comprising:
a receptacle configured to receive a wavelength-multiplexed optical signal; and
a collimator integrated with the receptacle and configured to generate a collimated beam signal from a multi-wavelength optical
signal received from the receptacle and output the beam signal,

wherein the collimator comprises: a sleeve; and a collimating lens with the same external diameter as a fiber stub of the
receptacle, the collimating lens being inserted into the sleeve and comprising a projection protruding outward from a front
edge thereof to come in contact with the fiber stub, and a remaining portion other than the projection being spaced apart
from the fiber stub.

US Pat. No. 9,786,466

MICRO X-RAY TUBE

ELECTRONICS AND TELECOMMU...

1. A micro X-ray tube, comprising:
a first electrode with an emitter emitting an electron-beam;
a gate electrode having a hollow portion provided therein as a path for the electron-beam from the first electrode, the gate
electrode accelerating the electron-beam;

a second electrode with a target configured to collide with the accelerated beam;
an insulation tube configured to electrically insulate between the first electrode and the gate electrode; and
a filter tube between the second electrode and the gate electrode thereby separating the second electrode from the gate electrode,
the filter tube filtering X-rays,

wherein the filter tube includes an alumina Al2O3, and the target is inclined so that the X-rays generated by collision between the target and the electron-beam are directed
toward the filter tube,

wherein the gate electrode comprises:
a gate electrode flange between the insulation tube and the filter tube, the gate electrode flange being engaged with the
insulation tube and/or the filter tube; and

a gate electrode body extending along inside the filter tube, and extending from the gate electrode flange toward the second
electrode,

wherein the filter tube includes a step portion engaged with the gate electrode flange.

US Pat. No. 9,774,837

SYSTEM FOR PERFORMING DISTORTION CORRECTION AND CALIBRATION USING PATTERN PROJECTION, AND METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...

11. A method, comprising:
projecting an original pattern image onto a screen;
generating a photographed pattern image by capturing the projected original pattern image using at least one camera, the photographed
pattern image including image distortion caused by camera lens and a calibration state of the at least one camera; and

calculating a calibration parameter by comparing the original pattern image with the photographed pattern image, the calibration
parameter for correcting the image distortion in the photographed pattern image,

wherein the calibration parameter is calculated using a plane equation obtained based on a difference between the original
pattern image and the photographed pattern image,

wherein the calibration parameter is applied to the photographed pattern image to correct the image distortion, and
wherein the calculating of the calibration parameter includes:
setting at least one reference pattern in the original pattern image and a search region in the photographed pattern image;
and

performing pattern matching between the at least one reference pattern and a pattern in the search region.

US Pat. No. 9,769,322

MESSAGE SENDING DEVICE AND METHOD THEREOF

ELECTRONICS AND TELECOMMU...

1. A telephone, comprising:
a sensor interface unit for collecting sensing signals by being connected to sensors;
a transmission unit for generating a message using the sensing signals, converting the message into a Dual Tone Multiple Frequency
(DTMF) signal, and transmitting the DTMF signal and a telephone signal; and

a power distribution unit for distributing power to operation units by being supplied with the power from a switchboard,
wherein the power distribution unit is configured to:
measure power of a battery corresponding to the telephone; and
charge the battery by transmitting the telephone signal if the power is equal to or less than a threshold,
calculate minimum power using power consumed by the sensors, a number of the sensors, and a number of operating sensors among
the sensors; and

set the threshold in consideration of the minimum power.

US Pat. No. 9,755,751

OPTICAL TRANSCEIVER OF FLEXIBLE MODULATION FORMAT

ELECTRONICS AND TELECOMMU...

1. An optical transceiver of a flexible modulation format, comprising:
an optical transmitter configured to convert an electrical signal to an optical signal, and transmit the optical signal, the
optical transmitter including aa clock and data recovery (CDR) circuit for transmission to recover a clock and data of a signal
that is to be transmitted, a driver amplifier to amplify the recovered signal, and a limiter for transmission to limit a size
of the recovered signal;

an optical receiver configured to receive and convert the optical signal to an electrical signal, the optical receiver including
a limiter for reception to limit a size of a received signal, and a CDR circuit for reception to recover a clock and data
from the signal, of which the size is limited; and

a controller configured to set modulation formats of the optical transmitter and the optical receiver, and to control the
limiters for transmission and reception to turn on or off, and control operation modes of the CDR circuit for transmission
and reception as operation modes for processing a binary signal or a multi-level signal, according to modulation format information.

US Pat. No. 9,755,778

OPTICAL NETWORK UNIT (ONU) FOR LOW LATENCY PACKET TRANSMISSION IN TIME DIVISION MULTIPLEXING-PASSIVE OPTICAL NETWORK (TDM-PON), METHOD OF OPERATING THE SAME, AND APPARATUS FOR CONTROLLING ONU

ELECTRONICS AND TELECOMMU...

1. A method of operating an Optical Network Unit (ONU) for low latency packet transmission in a Time Division Multiplexing-Passive
Optical Network (TDM-PON), the method comprising:
receiving, from a base station, first bandwidth allocation information regarding a bandwidth allocated by the base station
to a terminal for uplink packet transmission; and

transmitting a bandwidth allocation request, which is based on the received first bandwidth allocation information, to an
Optical Line Terminal (OLT) before completing packet reception from the base station,

wherein the transmitting comprises,
analyzing the received first bandwidth allocation information to estimate an amount of packets to be received from the base
station.

US Pat. No. 9,710,872

INFORMATION INSERTION METHOD, INFORMATION EXTRACTION METHOD, AND INFORMATION EXTRACTION APPARATUS USING DOT-BASED INFORMATION ROBUST TO GEOMETRIC DISTORTION

ELECTRONICS AND TELECOMMU...

1. An information extraction method, comprising:
identifying a set of at least one dot output to a target;
extracting information from the set of at least one dot; and
performing correction on geometric distortion of the set of at least one dot, wherein:
performing correction on the geometric distortion comprises performing correction on projection and rotation distortion of
the set of at least one dot;

performing correction on the projection and rotation distortion comprises detecting four reference dots in a region of the
set of at least one dot and performing correction on the projection and rotation distortion using the four reference dots;
and

performing correction on the projection and rotation distortion comprises generating a set of horizontal lines and a set of
vertical lines passing through the at least one dot, extracting two horizontal lines from the set of horizontal lines, and
extracting two vertical lines from the set of vertical lines;

the four reference dots are intersections of the two horizontal lines and the two vertical lines;
the two horizontal lines comprise a horizontal line closest to an origin and a horizontal line farthest from the origin; and
the two vertical lines comprise a vertical line closest to the origin and a vertical line farthest from the origin.

US Pat. No. 9,710,963

PRIMITIVE FITTING APPARATUS AND METHOD USING POINT CLOUD

Electronics and Telecommu...

1. A primitive fitting apparatus, comprising:
one or more processors configured to:
receive, from a user, a selection of points from a point cloud, the points being used to fit a primitive a user desires to
fit;

receive a selection of the primitive from the user, and to identify the selected primitive; and
fit the identified primitive to correspond to the points, using the points and primitive,
wherein the processor compares an area of a primitive optimized for inliers by removing outliers with an area of a region
corresponding to a mesh formed by connecting points corresponding to the inliers, and fit the primitive based on a ratio of
the areas.

US Pat. No. 9,704,267

INTERACTIVE CONTENT CONTROL APPARATUS AND METHOD

ELECTRONICS AND TELECOMMU...

1. An interactive content control apparatus, comprising:
a depth information acquisition unit for acquiring an image that includes depth information by capturing a static background
object and a dynamic foreground object, and for calculating depth maps based on respective depth values of the static background
object and the dynamic foreground object from the image;

a display unit for projecting image content including both a background image and an object image on a surface of the static
background object captured by the depth information acquisition unit; and

an image mapping unit for recognizing the dynamic foreground object depending on the depth maps based on the depth values
calculated by the depth information acquisition unit, and controlling the display unit so that an object image projected on
the surface of the static background object is transferred to and projected on a surface of the dynamic foreground object,

wherein the image mapping unit comprises:
an object image bounding volume management unit for setting and managing an object image bounding volume including the object
image in a foreground direction of the object image projected on the static background object; and

a foreground/background processing unit for, if, depending on the depth maps based on the depth values calculated by the depth
information acquisition unit, the dynamic foreground object is determined to collide with the object image bounding volume,
controlling the display unit so that the object image projected on the surface of the static background object is transferred
to and projected on the surface of the dynamic foreground object,

wherein the foreground/background processing unit comprises:
a foreground object recognition unit for recognizing a location and movement direction of a dynamic foreground object present
in the foreground direction of the static background object, depending on the depth maps based on the depth values calculated
by the depth information acquisition unit;

a foreground object bounding volume setting unit for setting a foreground object bounding volume including the dynamic foreground
object recognized by the foreground object recognition unit;

a bounding volume collision determination unit for, if the object image bounding volume and the foreground object bounding
volume overlap each other by a preset threshold or more, and if the movement direction of the dynamic foreground object is
the foreground direction, determining that the dynamic foreground object collides with the object image bounding volume; and

a foreground/background switching unit for, if it is determined by the bounding volume collision determination unit that the
dynamic foreground object collides with the object image bounding volume, controlling the display unit so that the object
image projected on the surface of the static background object is transferred to and projected on the surface of the dynamic
foreground object.

US Pat. No. 9,706,370

METHOD AND DEVICE FOR MANAGING BACKUP CHANNELS FOR COGNITIVE RADIO COMMUNICATION

Electronics and Telecommu...

1. A method of managing a backup channel for cognitive radio communication, the method comprising:
grouping devices included in a cell served by a base station into a group, wherein the devices belong to the group as a hub
device or a nano device, and wherein nano devices in the group are controlled by the hub device; and

allocating a backup channel for cognition radio communication to each device of the group, based on mobility and location
information of the group,

wherein a type of the group is determined based on whether or not the group has the mobility, and
wherein an identical backup channel allocated to a second group included in the cell is allocated to the group, in response
to the group and the second group not having the mobility, and a location of the group and a location of the second group
not overlapping.