公开(公告)号：US20230179465A1

公开(公告)日：2023-06-08

申请号：US18000352

申请日：2020-06-01

Applicant: LG ELECTRONICS INC.

Inventor： Hojae LEE ,  Sangrim LEE ,  Bonghoe KIM ,  Sunam KIM ,  Kijun JEON ,  Byungkyu AHN

IPC: H04L27/26 ,  H04B10/11 ,  H04B10/40 ,  H04L7/00

CPC classification number: H04L27/2662 ,  H04B10/11 ,  H04B10/40 ,  H04L7/0075

Abstract: The present specification provides a method, performed by a device, for transmitting information about a pencil beam timing offset in a wireless optical communication system, in which a reference synchronization time is obtained, wherein the reference synchronization time is obtained on the basis of a cell-reference synchronization signal (C-RSS) received from another device, a peak energy time is obtained, the pencil beam timing offset is obtained on the basis of the reference synchronization time and the peak energy time, and information about the pencil beam timing offset is transmitted to the other device.

公开(公告)号：US20220094491A1

公开(公告)日：2022-03-24

申请号：US17310408

申请日：2019-01-31

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon CHOI ,  Jiwon KANG ,  Kijun KIM ,  Bonghoe KIM

IPC: H04L5/00

Abstract: A method of receiving, by a base station, channel state information (CSI) for a THz communication system based-CoMP operation may comprise the steps of: on the basis of beam information of each TRP, each panel, each BWP, or each cell, transmitting CSI association information of each TRP, each panel, each BWP, or each cell to a terminal; transmitting a first CSI request to the terminal; receiving first CSI from the terminal through a corresponding CSI feedback area according to a first reporting setting connected to the first CSI request; and on the basis of the first reporting setting, acquiring information on a TRP, a panel, a BWP, or a cell corresponding to the first CSI among each TRP, each panel, each BWP, or each cell.

公开(公告)号：US20220085884A1

公开(公告)日：2022-03-17

申请号：US17425210

申请日：2019-01-30

Applicant: LG Electronics Inc.

Inventor： Hojae LEE ,  Dongkyu KIM ,  Bonghoe KIM ,  Sangrim LEE ,  Woonghee LEE ,  Kijun JEON

IPC: H04B10/116 ,  H04B10/54 ,  H04B10/69

Abstract: Proposed is a signal transmission method for a transmitting end performing visible light communication. The signal transmission method for a transmitting end performing visible light communication comprises: a step of modulating a signal; and a step of applying analog dimming control on the modulated signal and transmitting same. Meanwhile, the analog dimming control may include biasing of the modulated signal, and scaling of the modulated signal.

公开(公告)号：US20210289492A1

公开(公告)日：2021-09-16

申请号：US17335886

申请日：2021-06-01

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN ,  Bonghoe KIM

IPC: H04W72/04 ,  H04L1/00 ,  H04L1/18 ,  H04L1/16 ,  H04L5/00 ,  H04W24/04 ,  H04W52/36

Abstract: The present invention relates to a wireless communication system. In detail, the invention relates to a method for a terminal to transmit a UCI in a carrier aggregation-based wireless communication system, and to an apparatus therefor, wherein the method involves the steps of: forming a first cell group having a PCell; forming a second cell group having one or more SCells; receiving one or more data in the second cell group; and transmitting HARQ-ACK information on the one or more data through a PUCCH, wherein, when the first and second cell groups are managed by an identical base station, the HARQ-ACK information is transmitted in the PCell, and, when the first and second cell groups are managed by different base stations, the HARQ-ACK information is transmitted in the second cell group.

公开(公告)号：US20210203355A1

公开(公告)日：2021-07-01

申请号：US16065735

申请日：2018-04-26

Applicant: LG Electronics Inc.

Inventor： Ilmu BYUN ,  Jinwoo KIM ,  Kwangseok NOH ,  Jongwoong SHIN ,  Bonghoe KIM

IPC: H03M13/11 ,  H03M13/00

Abstract: A method for performing encoding on the basis of a parity check matrix of a LDPC code, according to one embodiment of the present invention, comprises the steps of: generating, by a terminal, a parity check matrix, wherein the parity check matrix corresponds to a characteristic matrix, each element of the characteristic matrix corresponds to a shift index value determined by a modulo operation between a corresponding element in a base matrix and a lifting value, and the base matrix is a 46×68 matrix; and performing, by the terminal, encoding of input data by using the parity check matrix, wherein the lifting value is associated with the length of the input data.

公开(公告)号：US20210111737A1

公开(公告)日：2021-04-15

申请号：US16497474

申请日：2018-06-05

Applicant: LG Electronics Inc.

Inventor： Jongwoong SHIN ,  Bonghoe KIM ,  Jinwoo KIM ,  Ilmu BYUN

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

Abstract: A method for encoding a quasi-cyclic low-density parity-check (LDPC) code according to an embodiment of the present invention comprises: a step of generating a multi-edge LDPC code matrix which comprises a high rate code matrix and a single parity check code matrix; and a step of encoding a signal using the multi-edge LDPC code matrix, wherein the single parity check code matrix may be configured by connecting a first matrix which is configured as a quasi row-orthogonal structure matrix and a second matrix which is configured as a pure row-orthogonal structure.

公开(公告)号：US20200304262A1

公开(公告)日：2020-09-24

申请号：US16895876

申请日：2020-06-08

Applicant: LG Electronics Inc.

Inventor： Bonghoe KIM ,  Yunjung YI

IPC: H04L5/00 ,  H04L1/18 ,  H04L29/08 ,  H04W4/70 ,  H04W72/04 ,  H04W72/12

Abstract: The present invention provides methods for controlling transmission of a sounding reference signal (SRS) in a wireless access system supporting machine type communication (MTC) and devices for supporting same. A method for controlling transmission of an SRS by an MTC terminal in a wireless access system supporting MTC, according to an embodiment of the present invention, can comprise the steps of: receiving an upper layer signal comprising information about an SRS which is to be repeatedly transmitted; configuring the SRS on the basis of the information about the SRS; and transmitting the SRS by means of a subband to which a physical uplink shared channel (PUSCH) is allocated and which is being frequency hopped. The subband comprises six physical resource blocks (PRB), and the SRS can be sequentially transmitted to the subband being frequency hopped.

公开(公告)号：US20200267675A1

公开(公告)日：2020-08-20

申请号：US16868130

申请日：2020-05-06

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KO ,  Seokmin SHIN ,  Bonghoe KIM ,  Yunjung YI

IPC: H04W56/00 ,  H04L5/00 ,  H04J13/00 ,  H04W72/04 ,  H04W48/16 ,  H04L27/26

Abstract: A method and apparatus for transmitting and receiving narrowband (NB) synchronization signals. A base station transmits an NB secondary synchronization signal (SSS) indicating N NB cell identities assigned for NB Internet of Things (IoT) operation, a specific sequence generated by multiplying a base sequence with a cover sequence in element units is used for the NB SSS, wherein the base sequence is generated through a second Zadoff-Chu sequence having a length corresponding to a largest prime number less than a length L in a frequency domain, and the specific sequence is divisionally mapped to and transmitted in a plurality of orthogonal frequency division multiplexing (OFDM) symbols in elements each having a length M.

公开(公告)号：US20190394780A1

公开(公告)日：2019-12-26

申请号：US16563373

申请日：2019-09-06

Applicant: LG ELECTRONICS INC.

Inventor： Dongyoun SEO ,  Bonghoe KIM ,  Joonkui AHN ,  Suckchel YANG ,  Hanbyul SEO ,  Seungmin LEE ,  Yunjung YI

IPC: H04W72/04 ,  H04L5/14 ,  H04J3/16 ,  H04W76/10 ,  H04L5/00

Abstract: The present invention relates to a method and apparatus for aggregating carriers in wireless communication systems. In the method, a first carrier is set up, and a second carrier is added in addition to the first carrier. In addition, the first carrier is a time division duplex (TDD) carrier for which an uplink subframe and a downlink subframe are positioned at different times in a frame, and the second carrier is a carrier only for a downlink that consists of downlink subframes.

公开(公告)号：US20190326934A1

公开(公告)日：2019-10-24

申请号：US16475625

申请日：2018-01-02

Applicant: LG Electronics Inc.

Inventor： Bonghoe KIM ,  Kwangseok NOH ,  Hyunsoo KO ,  Ilmu BYUN ,  Seunggye HWANG

IPC: H03M13/13 ,  H04L1/00 ,  H04W72/00 ,  H04W72/04

Abstract: A method by which a base station transmits a physical broadcast channel (PBCH) can comprise the steps of: generating the same encoded data bit for each of two symbols of a predetermined subframe for PBCH transmission by using a polar code; and transmitting the generated same encoded data bit from each of the two symbols of the predetermined subframe through the PBCH.