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    Method and device for performing random access in wireless communication system
    44.
    发明授权
    Method and device for performing random access in wireless communication system 有权

    公开(公告)号：US10264607B2

    公开(公告)日：2019-04-16

    申请号：US15735586

    申请日：2015-11-05

    Applicant: LG ELECTRONICS INC.

    Inventor： Sangrim Lee ,  Bonghoe Kim ,  Hyunsoo Ko ,  Yunjung Yi ,  Hojae Lee

    IPC: H04W74/08 ,  H04W72/04

    Abstract: A method and a device for performing a random access in a wireless communication system are provided. Specifically, a wireless resource for transmitting a first random access request is selected, and the first random access request is transmitted through the wireless resource. The first random access request includes a transmission period of the first random access request, the frequency of retransmission, and an allowable error of the transmission period. Uplink resource allocation information is received in response to the first random access request. The uplink resource allocation information includes information on an indicator bit and a wireless resource shift. When the indicator bit is a preset value, a second random access request is transmitted through a wireless resource shifted from the wireless resource.

    Method and apparatus for transmitting and receiving information related to SRS transmission in FDR mode
    45.
    发明授权
    Method and apparatus for transmitting and receiving information related to SRS transmission in FDR mode 有权

    公开(公告)号：US10225109B2

    公开(公告)日：2019-03-05

    申请号：US15249119

    申请日：2016-08-26

    Applicant: LG ELECTRONICS INC.

    Inventor： Sangrim Lee ,  Jaehoon Chung ,  Kwangseok Noh ,  Dongkyu Kim ,  Hojae Lee

    IPC: H04L25/02 ,  H04L5/00 ,  H04L5/14

    Abstract: A method for transmitting information related to a sounding reference signal (SRS) transmission by a base station (BS) of a full duplex radio (FDR) mode in a wireless communication system includes: transmitting information related to a resource region to be used for the SRS transmission to a user equipment of the FDR mode within a resource region configured as an uplink (UL) idle interval; receiving a SRS through the resource region for the SRS transmission from the user equipment; performing an uplink (UL) channel estimation based on the received SRS; and performing a downlink (DL) channel estimation by applying a channel reciprocity characteristic to a result of the uplink (UL) channel estimation.

    METHOD FOR PERFORMING FEDERATED LEARNING IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR
    48.
    发明公开
    METHOD FOR PERFORMING FEDERATED LEARNING IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR 审中-公开

    公开(公告)号：US20230422054A1

    公开(公告)日：2023-12-28

    申请号：US18024889

    申请日：2020-09-07

    Applicant: LG ELECTRONICS INC.

    Inventor： Kijun Jeon ,  Sangrim Lee ,  Hojae Lee ,  Yeongjun Kim ,  Sungjin Kim

    IPC: H04W24/02 ,  H04W74/08

    CPC classification number: H04W24/02 ,  H04W74/0833

    Abstract: Disclosed is a method by which a base station performs federated learning in a wireless communication system. A method, according to one embodiment of the present disclosure, comprises: receiving, by a base station, a plurality of local parameters from a plurality of terminals; obtaining an integrated parameter on the basis of the plurality of local parameters; and transmitting the integrated parameter to each of the plurality of terminals, wherein at least one bias included in the plurality of local parameters is removed by using the plurality of local parameters. The base station/terminals of the present disclosure may be linked to an artificial intelligence, module, an unmanned aerial vehicle (UAV), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to a 6G service, and the like.

    Method and device for carrying out channel coding using low density parity check matrix in wireless communication system
    50.
    发明授权
    Method and device for carrying out channel coding using low density parity check matrix in wireless communication system 有权

    公开(公告)号：US11528036B2

    公开(公告)日：2022-12-13

    申请号：US17421210

    申请日：2019-12-05

    Applicant: LG Electronics Inc.

    Inventor： Kijun Jeon ,  Sangrim Lee ,  Hojae Lee

    IPC: H03M13/11 ,  H04L1/00 ,  H04L1/20

    Abstract: A method for transmitting an information block on the basis of a low density parity check (LDPC) code in a wireless communication system, according to the present disclosure, may comprise: encoding an information block on the basis of a LDPC basegraph H_BG including [MATRIX]; and transmitting the encoded information block. Each element of H_BG is either zero (“0”) or one (“1”), and each element which is “0”, among the elements of H_BG, may represent a Z×Z zero matrix, and each element which is “1”, among the elements of H_BG, may represent a Z×Z matrix acquired on the basis of a circular permutation matrix acquired by circularly shifting a Z×Z identity matrix to the left or right. The submatrix T_BG of H_BG may be a dual diagonal matrix, and the submatrix D_BG of H_BG may be a dual diagonal matrix. The encoding of the information block on the basis of H_BG may comprise encoding the information block on the basis of a parity check matrix (PCM) H which corresponds to H_BG.

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