US Pat. No. 10,715,289

APPARATUS AND METHOD FOR ALLOCATING CHANNEL STATE INFORMATION-REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM

PANTECH CORPORATION, Seo...

1. A communication method, comprising:receiving, at a user equipment (UE), at least a part of a subframe from an eNB, wherein the subframe consists of resource elements arranged in frequency and time domain;
obtaining, at the UE, a first Cell State Information Reference Signal (CSI-RS) from a first resource element of the subframe;
obtaining, at the UE, a second CSI-RS from a second resource element of the subframe, wherein the first resource element and the second resource element are adjacent to each other;
measuring, at the UE, channel state at least based on one of the first CSI-RS and the second CSI-RS;
receiving, at the UE, at least a part of another subframe from the eNB, wherein the subframe is transmitted by a first antenna port and the another subframe is transmitted by a second antenna port, and the subframe and the another subframe are transmitted simultaneously;
obtaining, at the UE, a third CSI-RS from a third resource element of the another subframe;
obtaining, at the UE, a fourth CSI-RS from a fourth resource element of the another subframe,
wherein:
a location of the first resource element in the subframe in frequency and time domain is same as a location of the third resource element in the another subframe in frequency and time domain; and
a location of the second resource element in the subframe in frequency and time domain is same as a location of the fourth resource element in the another subframe in frequency and time domain; and
transmitting, at the UE, the measured channel state to the eNB.

US Pat. No. 10,701,201

APPARATUS AND METHOD FOR AUTOMATICALLY DETECTING PRESENCE OF EXTERNAL DEVICE IN MOBILE TERMINAL

PANTECH CORPORATION, Seo...

1. A mobile terminal comprising:a connector configured to electrically connect with an external device;
a detector configured to determine whether the external device is electrically connected to the connector; and
a controller configured to obtain level information from the connector, determine a type of the external device at least based on the level information, and control the external device at least based on the type of the external device, wherein the detector determines whether the external device is electrically connected to the connector at least based on a status of a switch end of the connector.

US Pat. No. 10,945,305

APPARATUS AND METHOD FOR CONTROLLING IN-DEVICE COEXISTENCE INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM

PANTECH CORPORATION, Seo...

1. A method for controlling interference in a Mobile Station (MS), comprising:receiving, from a Base station (BS), Radio Resource Control (RRC) connection reconfiguration including In-device coexistence (IDC) Discontinuous Reception (DRX) configuration reconfiguring DRX relating to an unusable frequency band based on IDC indication information; and
reconfiguring DRX based on the IDC DRX configuration to perform autonomous denial of Industrial Scientific Medical (ISM) transmission in the unusable frequency band,
wherein the IDC DRX configuration includes information configuration a DRX retransmission timer and information configuring a DRX short cycle to predetermined cycle for avoiding the IDC interference,
wherein the RRC connection reconfiguration further includes information for configuring the IDC DRX configuration which is not related to IDC interference, and
wherein the IDC DRX configuration which is not related to IDC interference is based on a time division multiplexing (TDM) operation.

US Pat. No. 10,736,084

APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING ACTIVATION INDICATOR REGARDING COMPONENT CARRIER IN WIRELESS COMMUNICATION SYSTEM

PANTECH CORPORATION, Seo...

1. A method for controlling cell activation by a base station (BS), comprising:transmitting, to a user equipment (UE), a serving cell configuration comprising one or more indices to configure one or more serving cells through radio resource control (RRC);
determining activation or deactivation of each serving cell which is configured in the UE;
setting the determined activation or deactivation to a 1-bit indicator; and
transmitting, to the UE, a medium access control signal comprising indicators for the one or more serving cells configured in the UE in a bit-stream consisting of eight bits,
wherein the one or more serving cells is configurable by the UE based on the serving cell configuration, the one or more serving cells being a subset of serving cells configurable by the BS,
wherein the activation instructs the UE to monitor reception of at least one of a control channel and the deactivation instructs the UE to stop monitoring reception of at least one of the control channel,
wherein the activation is set to 1 and the deactivation is set to 0, and
wherein in a case where a number of the one or more serving cells configurable in the UE is less than eight, the bit-stream consists of eight bits which comprise at least one reserved bit not available for the indicators for the one or more serving cells configurable in the UE and remaining bits corresponding to the indicators for the one or more serving cells configurable in the UE.

US Pat. No. 10,838,592

TERMINAL AND METHOD FOR DETERMINING TYPE OF INPUT METHOD EDITOR

PANTECH CORPORATION, Seo...

1. A method for determining an input method editor for a webpage in a terminal, comprising:setting a default language for the input method editor based upon one of a location of the terminal or a location of a source of the webpage;
detecting a focus on an input field displayed on the terminal;
analyzing information of the input field;
determining a character type for the input field;
determining an input type of the input field based on the information of the input field;
setting the input method editor corresponding to the determined character type; and
outputting the set input method editor as a virtual soft keyboard comprising the determined character type,
wherein determining the character type comprises:
extracting an associated word from within a reference proximity of the input field;
retrieving data related to the associated word from an associated word database unit; and
determining the character type based on the retrieved data.

US Pat. No. 11,071,085

APPARATUS AND METHOD FOR FORMING EVENT PICTURE IN MOBILE COMMUNICATION TERMINAL

PANTECH CORPORATION, Seo...


1. A method for displaying an event object in a terminal, comprising:displaying a current object on a whole screen of the terminal;
storing the current object when an event occurs;
overlapping the event object over the current object on the whole screen in response to an the event occurrence;
disabling a user input relating to the current object in response to the event occurrence; and
removing the event object from the screen automatically or based on a received user input.

US Pat. No. 11,051,344

METHOD FOR TRANSMITTING AND RECEIVING RANDOM ACCESS REQUEST AND TRANSMITTING AND RECEIVING RANDOM ACCESS RESPONSE

PANTECH CORPORATION, Seo...


1. A method for performing a random access by a user equipment (UE), the method comprising:receiving a random access response from a base station within a time period;
extracting information associated with a subframe number of a subframe in which a random access preamble was transmitted by the user equipment, and
determining that the received random access response is a response to the transmitted random access preamble based on the information,
wherein the time period starts at a time point after an end time of transmitting the random access preamble, the time point is obtained by adding an offset to a subframe number corresponding to the end time of transmitting the random access preamble and the offset equals three.

US Pat. No. 10,945,217

APPARATUS AND METHOD FOR CONTROLLING UPLINK TRANSMISSION POWER IN A MULTIPLE ELEMENT CARRIER WAVE SYSTEM

PANTECH CORPORATION, Seo...

1. A communication a method performed by a user equipment, comprising:generating an uplink signal to be transmitted on a first serving cell;
generating a random access preamble to be transmitted on a second serving cell;
calculating a summation of a first power for transmitting the uplink signal and a second power for transmitting the random access preamble;
determining an adjusted power to transmit the uplink signal based on the summation of the first power and the second power;
transmitting, to an evolved-NodeB (eNB), the uplink signal on the first serving cell using the adjusted power; and
transmitting, to the eNB, the random access preamble on the second serving cell using the second power,
wherein the adjusted power is determined by comparing the summation of the first power and the second power with a threshold value.

US Pat. No. 10,911,972

APPARATUS AND METHOD FOR PERFORMING MEASUREMENT REPORT CONSIDERING IN-DEVICE COEXISTENCE INTERFERENCE

PANTECH CORPORATION, Seo...

1. A communication method comprising:detecting In-Device Coexistence (IDC) interference;
transmitting, to an evolved NodeB (eNB), an IDC indication indicating occurrence or expectation of the IDC interference;
preparing a measurement report comprising measurement values, wherein the measurement values are obtained without the IDC interference; and
transmitting, to the eNB, the measurement report.

US Pat. No. 10,880,438

CALL FORWARDING SYSTEM AND METHOD FOR FORWARDING A CALL TO A TERMINAL THROUGH NEAR-FIELD WIRELESS COMMUNICATION

PANTECH CORPORATION, Seo...

1. An apparatus to control a call forwarding service, comprising:a direct wireless communication to transmit and receive a message including information of call forwarding to and from a plurality of service terminals and to forward a call; and
a control circuitry configured to:
receive the call;
determine the plurality of service terminals capable of communicating with the apparatus through the direct wireless communication;
generate a list comprising information of the plurality of service terminals;
transmit the list to the plurality of service terminals;
receive a receipt request message from a first service terminal among the plurality of service terminals; and
forward the call to the first service terminal through the direct wireless communication,
wherein the receipt request message comprises an indication reporting that the first service terminal requests to receive the forwarded call.

US Pat. No. 10,880,790

METHOD AND DEVICE FOR TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM SUPPORTING DUAL CONNECTIVITY

PANTECH CORPORATION, Seo...

1. A method of receiving, by user equipment, data again in a wireless communication system supporting dual connectivity, the method comprising:receiving, from a small evolved-NodeB (eNB), a part of packet data convergence protocol (PDCP) service data units (SDUs);
sending, to a macro eNB, information about a channel state between the small eNB and the user equipment;
receiving, from the macro eNB, a radio resource control (RRC) connection reconfiguration message;
releasing connection with the small eNB based on the RRC connection reconfiguration message; and
sending, to the macro eNB, a PDCP status report comprising information about a sequence number of at least one PDCP SDU not received due to the release of the connection with the small eNB;
Wherein:
the PDCP status report further comprises at least one of PDCP status report generation cause information and cell identifier information,
the PDCP status report generation cause information comprises information about a cause of a generation of the PDCP status report, and
the cell identifier information comprises information about an identifier of a cell which is released from the user equipment and related to the cause of the generation of the PDCP status report.

US Pat. No. 10,873,426

METHODS FOR TRANSMITTING AND RECEIVING HYBRID AUTOMATIC RETRANSMIT REQUEST-ACKNOWLEDGMENT (HARQ-ACK) INDEX MAPPING AND UPLINK RESOURCE ALLOCATION FOR CHANNEL SELECTION TRANSMISSION IN INTER-BAND TIME DIVISION DUPLEX MODE, USER EQUIPMENT TO TRANSMIT HARQ-A

PANTECH CORPORATION, Seo...

1. A wireless communication method comprising:receiving, from an eNode-B (eNB), data using at least a part of a first set of downlink subframes on a primary cell and a second set of downlink subframes on a secondary cell,
wherein the first set of downlink subframes is associated with an uplink subframe and the second set of downlink subframes is associated with the uplink subframe;
determining a difference between a number of the first set of the downlink subframes and a number of the second set of downlink subframes;
generating ACK/NACK information comprising Discontinuous Transmission (DTX) response information and response information on data received from the eNB,
wherein the DTX response information for a cell, among the primary cell and the secondary cell, is based on the difference,
wherein the DTX response information comprises DTX response(s) and the difference corresponds to a number of the DTX response(s); and
transmitting, to the eNB, the ACK/NACK information.

US Pat. No. 10,810,702

FLEXIBLE DISPLAY DEVICE AND METHOD FOR CHANGING DISPLAY AREA

PANTECH CORPORATION, Seo...

1. A method for displaying image data on a display, comprising:displaying the image data on the display;
displaying a first enlarged area of the image data on the display by computing a center point of the first enlarged area in response to determining the location of the first enlarged area, wherein the first enlarged area has a width value dx and a height value dy;
displaying a second enlarged area of the image data in response to a rotation of the display, where the second enlarged area has a width value dy and a height value dx.

US Pat. No. 10,917,157

PRECODING AND FEEDBACK CHANNEL INFORMATION IN WIRELESS COMMUNICATION SYSTEM

PANTECH CORPORATION, Seo...

1. A communication method comprising:estimating a downlink channel based on a signal received from a base station;
transmitting a first-type precoding matrix index (PMI) to the base station;
transmitting a second-type PMI to the base station; and
receiving a downlink signal from the base station,
decoding the received downlink signal based on the first-type PMI and the second-type PMI,
wherein transmitting the first-type PMI is periodically performed based on a first period, and transmitting the second-type PMI is periodically performed based on a second period.

US Pat. No. 10,841,142

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM

PANTECH CORPORATION, Seo...

1. A communication method comprising:receiving, at a User Equipment (UE), a message through Radio Resource Control (RRC) signaling, wherein the message comprises a virtual cell identifier parameter and a cyclic shift hopping initial parameter;
generating, at the UE, a base sequence at least based on the virtual cell identifier parameter;
determining an initial value of a pseudo random sequence relating to a cyclic shift hopping based on the received cyclic shift hopping initial value parameter;
determining a cyclic shift value based on the determined initial value of the pseudo random sequence relating to the cyclic shift hopping;
generating, at the UE, a demodulation reference signal at least by cyclically shifting the base sequence at least based on the determined cyclic shift value; and
transmitting, at the UE, the demodulation reference signal,
wherein the initial value cinit of the pseudo random sequence relating to the cyclic shift hopping is determined according to the received cyclic shift CSH hopping initial value parameter cinitCSH by

wherein the cyclic shift hopping initial value is configured based on one of integer values in a range 0 to 509, and
wherein the virtual cell identifier is configured based on one of integer in a range of 0 to 509.

US Pat. No. 11,012,954

APPARATUS AND METHOD FOR ESTABLISHING UPLINK SYNCHRONIZATION IN A WIRELESS COMMUNICATION SYSTEM

PANTECH CORPORATION, Seo...

1. A communication method for a user equipment(UE) comprising:receiving, at the UE, a Radio Resource Control (RRC) message through a primary Component Carrier (CC), wherein the primary CC belongs to a first uplink (UL) timing group, the RRC message comprises information related to a second UL timing group, which has been set by an evolved Node B (eNB), the second UL timing group includes a secondary CC;
receiving, at the UE, information indicating a random access preamble;
transmitting, at the UE, the random access preamble according to a non-contention selection, through one or more CCs, each of the one or more CCs transmitting the random access preamble being set as a delegate CC for a respective second UL timing group;
receiving, at the UE, a random access response through the primary CC, the random access response includes a Timing Advanced (TA) value for the secondary CC for the respective second UL timing group,
wherein each TA value is transmitted from the eNB for the respective second UL timing group based on the transmitted random access preamble associated with the delegate CC of the respective second UL timing group; and
applying each TA value to the secondary CC for the respective second UL timing group.

US Pat. No. 11,012,214

APPARATUS AND METHOD FOR TRANSMITTING MUTING INFORMATION, AND APPARATUS AND METHOD FOR ACQUIRING CHANNEL STATE USING SAME

PANTECH CORPORATION, Seo...

1. A base station to transmit Channel State Information-Reference Signal (CSI-RS) information, comprising:a processor configured to generate CSI-RS information including a CSI-RS zero power configuration associated with a cycle and an offset of zero power transmission subframes and a CSI-RS zero power configuration list having an n-bit bitmap,
wherein each bit of the n-bit bitmap indicates whether to apply zero power transmission in the zero power transmission subframes; and
a transmitter configured to transmit the CSI-RS information to a user equipment.