公开(公告)号：US10484899B2

公开(公告)日：2019-11-19

申请号：US15564488

申请日：2015-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Kungmin Park ,  Jiwon Kang ,  Kitae Kim ,  Kilbom Lee ,  Heejin Kim

IPC: H04W28/04 ,  H04W24/10 ,  H04W16/28 ,  H04W36/30 ,  H04W8/02 ,  H04W72/08 ,  H04L5/00 ,  H04W8/26 ,  H04W88/02 ,  H04W28/02

Abstract: The present invention relates to a method for efficiently supporting communication for vehicles in a next-generation wireless communication system and a device for the same. To this end, a user equipment (UE) receives signals from a network through a plurality of antenna units which are located in dispersed locations of the UE, determines, through a central unit thereof, whether a mobility related event of the UE has occurred through the signals received through the plurality of antenna units and transmits an event occurrence report to the network when the mobility related event of the UE has occurred, wherein whether the mobility related event of the UE has occurred is determined in consideration of receive (Rx) power of the signals received through the plurality of antenna units and a ray distribution between the network and the UE.

公开(公告)号：US10432367B2

公开(公告)日：2019-10-01

申请号：US15553029

申请日：2015-02-23

Applicant: LG Electronics Inc.

Inventor： Kungmin Park ,  Heejeong Cho ,  Hyunsoo Ko ,  Ilmu Byun

IPC: H04L5/00 ,  H04B15/02 ,  H04W16/24 ,  H04W24/00 ,  H04B17/345 ,  H04B17/318 ,  H04W24/02 ,  H04J11/00 ,  H04L1/00

Abstract: A disclosure of the present specification provides a method for performing link adaptation by a serving cell which performs interference randomization for inter-cell interference control. The method may comprise the steps of: acquiring interference information on at least one coordination cell to which interference coordination is to be applied among neighbor cells; and performing link adaptation on the basis of the interference information, wherein the interference information includes information on a modulation level, which indicates a modulation scheme for the coordination cell.

公开(公告)号：US10419095B2

公开(公告)日：2019-09-17

申请号：US15529958

申请日：2015-06-23

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Kitae Kim ,  Kilbom Lee ,  Kungmin Park ,  Heejin Kim

IPC: H04L12/28 ,  H04B7/06 ,  H04B7/0456 ,  H04B7/10 ,  H04L5/00 ,  H04B17/24 ,  H04B7/0404 ,  H04W72/12 ,  H04B7/0413 ,  H04W88/02 ,  H04W88/08 ,  H04B17/309 ,  H04B17/318 ,  H04B17/345

Abstract: The present application discloses a method for a terminal reporting channel state information to a base station in a wireless communication system. Specifically, the method comprises the steps of: receiving, from a base station, a first reference signal corresponding to a row of a transmission antenna array, and a second reference signal corresponding to a column of the transmission antenna array; receiving, from the base station, a cross polarization characteristics measurement indicator; and reporting, to the base station, channel state information comprising a first precoder corresponding to the first reference signal and a second precoder corresponding to the second reference signal, wherein the channel state information comprises cross polarization characteristics information between antenna ports that have the same indexes, the antenna ports being among antenna ports having the first reference signal and the second reference signal transmitted.

公开(公告)号：US10367562B2

公开(公告)日：2019-07-30

申请号：US15555929

申请日：2015-12-16

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Kitae Kim ,  Kilbom Lee ,  Kungmin Park ,  Heejin Kim

IPC: H04B7/06 ,  H04B7/0413

Abstract: A method of transmitting a signal, which is transmitted by a transmitting end in a wireless communication system, is disclosed in the present specification. Specifically, the method includes the steps of receiving Doppler information on a plurality of transmission beams from a receiving end; selecting a beam combination using the received Doppler information, wherein the beam combination is selected from a plurality of beam combinations depending on effective Doppler spread values of the beam combinations, wherein each of the beam combinations consists of two or more transmission beams among the plurality of transmission beams; and transmitting the signal to the receiving end using at least one transmission beam included in the selected beam combination.

公开(公告)号：US10341156B2

公开(公告)日：2019-07-02

申请号：US15570555

申请日：2016-01-20

Applicant: LG Electronics Inc.

Inventor： Kilbom Lee ,  Jiwon Kang ,  Kitae Kim ,  Kungmin Park ,  Heejin Kim

IPC: H04J11/00 ,  H04L27/26 ,  H04W56/00 ,  H04W74/00

Abstract: Disclosed is a synchronization signal receiving method comprising a step of respectively receiving, from a plurality of base stations, a plurality of synchronization signals generated by using a predetermined repetition frequency, sequence, and phase pattern vector, measuring a start timing of a frame, a sequence index, and an index of the phase pattern vector by using the plurality of synchronization signals with respect to each of the plurality of base stations, selecting the base station having the highest correlation value calculated as a result of the measurement among the plurality of base stations, and establishing a connection with the selected base station, wherein the phase pattern vector repeatedly changes the phase of the sequence at the repetition frequency.

公开(公告)号：US10340988B2

公开(公告)日：2019-07-02

申请号：US15750375

申请日：2016-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Heejin Kim ,  Jiwon Kang ,  Kitae Kim ,  Kilbom Lee ,  Kungmin Park

IPC: H04B7/0456 ,  H04B7/06 ,  H04W16/28

Abstract: The present invention relates to a method for transmitting channel information to a base station in a wireless communication system, and a device therefor, the method comprising the steps of: receiving information on a user equipment (UE) group in which a specific UE is included; receiving, from a representative UE of the UE group, first control information comprising first beam information; determining second beam information on the basis of the first beam information; and transmitting, to a base station, second control information comprising differential information between the determined second beam information and the first beam information.

公开(公告)号：US10291306B2

公开(公告)日：2019-05-14

申请号：US15561001

申请日：2015-07-24

Applicant: LG ELECTRONICS INC.

Inventor： Heejin Kim ,  Jiwon Kang ,  Kitae Kim ,  Kilbom Lee ,  Kungmin Park

IPC: G01S7/52 ,  H04B7/06 ,  H04B7/0417 ,  H04B7/0426 ,  H04B7/0456 ,  H04B7/08 ,  H04B7/024

Abstract: The present specification pertains to a method by which a terminal feeds back CSI information in a wireless communication system to which 3D beamforming is applied, the method comprising the steps of: receiving a pilot signal from a base station; setting either a first CSI transmission mode or a second CSI transmission mode; and feeding back CSI information on the basis of the set CSI transmission mode. Here, a period and offset of the CSI information to be fed back can be preset regardless of the CSI transmission mode.

公开(公告)号：US10200888B2

公开(公告)日：2019-02-05

申请号：US15546155

申请日：2015-01-27

Applicant: LG ELECTRONICS INC.

Inventor： Ilmu Byun ,  Heejeong Cho ,  Hyunsoo Ko ,  Kungmin Park

IPC: H04B7/06 ,  H04W24/02 ,  H04B17/24 ,  H04B17/345 ,  H04B7/0417 ,  H04B7/0452

Abstract: Provided is a method for generating inter-cell information for inter-cell interference removal in a wireless communication system. A method by which a terminal removes inter-cell interference comprises the steps of: receiving a signal from a serving cell and a neighboring cell adjacent to the serving cell; identifying the priority of the serving cell for feedback of channel information on the basis of an identifier of the cell and a resource block; identifying whether there is feedback of channel information on the signal received on the basis of the priority; and transmitting the channel information to a base station of the serving cell according to the identification of whether there is feedback.

公开(公告)号：US10090899B2

公开(公告)日：2018-10-02

申请号：US15748344

申请日：2016-03-17

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Jiwon Kang ,  Kilbom Lee ,  Heejin Kim ,  Kungmin Park

IPC: H04B7/02 ,  H04B7/0456 ,  H04B7/06

Abstract: Disclosed in the present application is a method by which a terminal receives a signal, to which hybrid beamforming is applied, from a base station in a wireless communication system. More specifically, the method comprises the steps of: acquiring information on a first precoder for first beamforming of the hybrid beamforming; generating information on a precompensation precoder for the first beamforming by using the information on the first precoder; reporting the information on the precompensation precoder to the base station; and receiving, from the base station, a signal to which the precompensation precoder, the first beamforming, and second beamforming are applied, wherein the precompensation precoder adjusts, to zero degrees, a boresight direction of a signal to which the first precoder for the first beamforming is applied, and a second precoder for the second beamforming is configured to enable the signal to be transmitted in a final boresight direction on the basis of a boresight direction of zero degrees.

公开(公告)号：US20180234212A1

公开(公告)日：2018-08-16

申请号：US15749916

申请日：2016-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Kungmin Park ,  Jiwon Kang ,  Kitae Kim ,  Kilbom Lee ,  Heejin Kim

IPC: H04L1/18 ,  H04W72/12

CPC classification number: H04L1/1812 ,  H04B7/022 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/26 ,  H04L1/0026 ,  H04L1/1845 ,  H04L1/1854 ,  H04L1/1896 ,  H04W72/121

Abstract: Disclosed is a retransmitted data reception method comprising the steps of: receiving a first data packet from a base station through a first DU group including one or more DUs; receiving a second data packet, which is retransmitted for the first data packet, through a second DU group including another one or more of the DUs; and combining the first data packet and the second data packet so as to decode the combined data packet, wherein control information corresponding to the second data packet includes an HARQ process ID for notifying that the second data packet is retransmitted for the first data packet.