公开(公告)号：US20200021393A1

公开(公告)日：2020-01-16

申请号：US16497112

申请日：2018-03-26

Applicant: LG Electronics Inc.

Inventor： Kwangseok NOH ,  Bonghoe KIM

IPC: H04L1/00

Abstract: The method whereby user equipment receives a downlink signal in a wireless communication system, according to one embodiment of the present invention, comprises: receiving, from a base station, information on the length of a cyclic redundancy check (CRC) sequence to be added to information bits; receiving a downlink signal; and decoding the downlink signal by using a CRC sequence in the downlink signal on the basis of the information on the length of the CRC sequence, wherein the information on the length of the CRC sequence indicates a first length added for list decoding or a total CRC length obtained by adding the first length.

公开(公告)号：US20190320434A1

公开(公告)日：2019-10-17

申请号：US16455372

申请日：2019-06-27

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun YOU ,  Kijun KIM ,  Soocheol KYEONG ,  Bonghoe KIM ,  Kwangseok NOH

IPC: H04W72/04 ,  H04L1/00 ,  H04L1/18

Abstract: A method for transmitting uplink data by a user equipment in a wireless communication system, the method including receiving, by the user equipment, downlink control information including information on a target code rate for the uplink data, determining, by the user equipment, a channel code among a plurality of channel codes based on the target code rate, encoding, by the user equipment, the uplink data based on the determined channel code and transmitting, by the user equipment, the encoded uplink data, wherein the plurality of channel codes support different ranges of code rates, respectively, and wherein the plurality of channel codes are low density parity check codes.

公开(公告)号：US20190166611A1

公开(公告)日：2019-05-30

申请号：US16247842

申请日：2019-01-15

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok NOH ,  Bonghoe KIM ,  Jongwoong SHIN ,  Hyunsoo KO ,  Dongkyu KIM

IPC: H04W72/12 ,  H04W72/00

Abstract: In a wireless communication system, a physical broadcast channel (PBCH) is encoded based on a Polar code and then is transmitted. Half-frame information within the PBCH is mapped to a bit position 247 among bit positions of the Polar code and synchronization signal and PBCH block (SSB) index information within the PBCH is mapped to bit positions 253, 254, and 255 of the Polar code.

公开(公告)号：US20190165972A1

公开(公告)日：2019-05-30

申请号：US16320834

申请日：2016-07-27

Applicant: LG ELECTRONICS INC.

Inventor： Hojae LEE ,  Sangrim LEE ,  Kwangseok NOH ,  Dongkyu KIM

IPC: H04L25/03 ,  H04L25/02

Abstract: A method for a terminal for detecting data transmitted according to the multiuser superposition transmission system comprises the steps of: receiving, from a base station, downlink control information comprising information for a codeword subset selected form a non-orthogonal codebook comprising an orthogonal subset and non-orthogonal subset; estimating a channel on the basis of a reference signal symbol or reference signal pattern corresponding to the selected codebook subset; and, on the basis of the channel estimation, detecting desired data symbols on the basis of the selected codebook subset, wherein the superposed data symbols are symbols comprising data not only for the terminal but also for other terminals.

公开(公告)号：US20180359122A1

公开(公告)日：2018-12-13

申请号：US15776738

申请日：2016-02-03

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Hojae LEE ,  Kwangseok NOH ,  Dongkyu KIM

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2602 ,  H04L5/00 ,  H04L5/0044 ,  H04L27/26

Abstract: This method for a communication device to transmit/receive signals in a wireless communication system comprises the step of transmitting/receiving signals by using multiple subframes having a preset frame structure, wherein each of the multiple subframes comprises a downlink region and an uplink region, and with respect to the same region corresponding to the same frequency band in the preset frame structure, the downlink region and the uplink region may be allocated respectively to a first subframe and a second subframe among the multiple subframes.

公开(公告)号：US20180324795A1

公开(公告)日：2018-11-08

申请号：US16035166

申请日：2018-07-13

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong LEE ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Jinmin KIM ,  Kukheon CHOI ,  Kwangseok NOH

IPC: H04W72/04 ,  H04L1/00 ,  H04W74/08 ,  H04W74/02 ,  H04W74/00 ,  H04W72/14 ,  H04W76/27 ,  H04W72/00 ,  H04W52/22 ,  H04L5/00 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system. In detail, the present invention is a method for transmitting data to a base station (BS) by a user equipment (UE) includes: receiving information on a contention-based Physical Uplink Shared Channel (PUSCH) zone including a plurality of contention-based PUSCH resource blocks from the base station (BS); allocating at least one contention-based PUSCH resource block for transmission of the data based on the information on contention-based PUSCH zone; and transmitting the data to the base station (BS).

公开(公告)号：US20180287685A1

公开(公告)日：2018-10-04

申请号：US15765883

申请日：2016-01-21

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Hojae LEE ,  Hyunsoo KO ,  Kwangseok NOH ,  Dongkyu KIM

IPC: H04B7/06 ,  H04B7/0456 ,  H04W52/24 ,  H04L27/26

Abstract: A method by which a terminal transmits feedback information in a wireless communication system can comprise the steps of: selecting a filter index for maximizing a signal to interference-plus-noise (SINR) or a signal to leakage-and-noise ratio (SLNR) in a filter book defined in advance for each resource block (RB) or subband; and transmitting, to a base station, feedback information including the selected filter index for each RB or subband.

公开(公告)号：US20180249452A1

公开(公告)日：2018-08-30

申请号：US15756017

申请日：2016-07-27

Applicant: LG ELECTRONICS INC.

Inventor： Hojae LEE ,  Sangrim LEE ,  Hyunsoo KO ,  Kwangseok NOH ,  Dongkyu KIM

IPC: H04W72/04 ,  H04W72/12

Abstract: A method for a terminal to transmit signals on the basis of a non-orthogonal multiple access scheme in a wireless communication system may comprise the steps of: receiving, from a base station, information about a codebook selected for the terminal in pre-defined non-orthogonal codebooks and control information including information about a codeword selected from the selected codebook; performing resource mapping on uplink data to be transmitted on the basis of information about the selected codebook and information about the codeword selected from the selected codebook; transmitting, to the base station, the uplink data mapped to the resource according to the resource mapping.

公开(公告)号：US20180248662A1

公开(公告)日：2018-08-30

申请号：US15754474

申请日：2016-05-24

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Hyunsoo KO ,  Kwangseok NOH ,  Sangrim LEE ,  Hojae LEE

IPC: H04L5/00 ,  H04J11/00 ,  H04L5/14

CPC classification number: H04L5/0007 ,  H04J11/00 ,  H04L5/0044 ,  H04L5/0051 ,  H04L5/0055 ,  H04L5/0073 ,  H04L5/0094 ,  H04L5/143 ,  H04L5/1461 ,  H04L5/1469

Abstract: A method for a terminal performing communication using a flexible frequency division duplex (FDD) frame in a wireless communication system comprises the step of transmitting and receiving a signal using the flexible FDD frame, wherein the flexible FDD frame comprises a downlink band allocated from the wireless communication system as a resource for a downlink, and an uplink band allocated as a resource for an uplink, wherein the uplink band may comprise a downlink sub-band allocated as a resource for the downlink by a base station for the flexible FDD scheme.

公开(公告)号：US20180206250A1

公开(公告)日：2018-07-19

申请号：US15742014

申请日：2016-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Hojae LEE ,  Hyunsoo KO ,  Kukheon CHOI ,  Kwangseok NOH ,  Dongkyu KIM ,  Sangrim LEE

IPC: H04W72/12

CPC classification number: H04W72/121 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0062 ,  H04L5/0094 ,  H04L25/0226 ,  H04L25/0228 ,  H04W72/1273 ,  H04W72/1289

Abstract: A method by which a base station transmits terminal grouping information in a non-orthogonal multiple access scheme can comprise the steps of: grouping terminals sharing the same frequency resource on the basis of any one of a data transmission rate requested by each terminal, scheduling impartiality among the terminal, and a timing distance of each terminal; and allocating reference symbols for each grouped terminal group such that the reference symbols do not overlap for each terminal group in a time domain.