公开(公告)号：US10721046B2

公开(公告)日：2020-07-21

申请号：US16262373

申请日：2019-01-30

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel Yang ,  Kijun Kim ,  Seonwook Kim ,  Changhwan Park ,  Joonkui Ahn ,  Hanjun Park ,  Seunggye Hwang

IPC: H04L5/00 ,  H04L1/16 ,  H04L1/18 ,  H04W76/27 ,  H04L1/00

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for receiving information on a number N of a code block group defined for one transport block from a base station through an upper layer signal, receiving a first transport block including a plurality of code blocks from the base station through a physical layer channel, and transmitting HARQ-ACK payload including HARQ-ACK information on the first transport block to the base station. Preferably, a code block-based CRC is attached to each of the code blocks, a transport block-based CRC is attached to the first transport block, and the HARQ-ACK payload includes a plurality of HARQ-ACK bits corresponding to M code block groups for the first transport block.

公开(公告)号：US20200178258A1

公开(公告)日：2020-06-04

申请号：US16625070

申请日：2018-06-27

Applicant: LG Electronics Inc.

Inventor： Changhwan Park ,  Joonkui Ahn ,  Seunggye Hwang ,  Seokmin Shin ,  Sukhyon Yoon

IPC: H04W72/04 ,  H04L5/00

Abstract: The present invention relates to a wireless communication system and, more particularly, to a method comprising the steps of: generating a first complex symbol sequence corresponding to one time unit including a plurality of transmission symbols; generating a second complex symbol sequence by applying primary scrambling to the first complex symbol sequence on a modulation symbol basis; and repeatedly transmitting the second complex symbol sequence through a plurality of time units, wherein secondary scrambling is applied to the signals in each time unit on a transmission symbol basis, the transmission symbol including an OFDMA symbol or an SC-FDMA symbol; and an apparatus therefor.

公开(公告)号：US10547427B2

公开(公告)日：2020-01-28

申请号：US15390030

申请日：2016-12-23

Applicant: LG ELECTRONICS INC.

Inventor： Seunggye Hwang ,  Yunjung Yi ,  Kijun Kim

IPC: H04L5/00

Abstract: According to an aspect of the present invention, a method for transmitting a Demodulation Reference Signal (DMRS) performed by a terminal in a wireless communication system that supports a Narrow Band (NB)-Internet of Things (IoT) includes generating a DMRS sequence by considering a single subcarrier transmission or a multiple subcarrier transmission; mapping the generated DMRS sequence to one or more symbols in time domain; and transmitting the DMRS to a base station through the mapped symbols, where each element of the generated DMRS sequence is sequentially mapped to each symbol of M symbols, when the DMRS is transmitted through the single subcarrier, and where the generated DMRS sequence is mapped to N symbols, when the DMRS is transmitted through the multiple subcarriers.

公开(公告)号：US20190089504A1

公开(公告)日：2019-03-21

申请号：US16082886

申请日：2017-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Seunggye Hwang ,  Yunjung Yi ,  Kijun Kim ,  Bonghoe Kim

IPC: H04L5/00 ,  H04L29/08 ,  H04L25/02

Abstract: This specification discloses a method for transmitting a demodulation reference signal (DMRS) in a wireless communication system supporting NB (Narrow-Band)-IoT (Internet of Things), the method performed by a User Equipment (UE) including generating a reference signal sequence used for demodulation; mapping the reference signal sequence to at least one symbol; and transmitting the demodulation reference signal (DMRS) to a base station through a single subcarrier in the at least one symbol.

公开(公告)号：US12022526B2

公开(公告)日：2024-06-25

申请号：US18164270

申请日：2023-02-03

Applicant: LG Electronics Inc.

Inventor： Jaehyung Kim ,  Youngdae Lee ,  Seunggye Hwang

IPC: H04W74/08 ,  H04W74/00 ,  H04W74/0833

CPC classification number: H04W74/0833 ,  H04W74/006 ,  H04W74/0866

Abstract: A method and a device for performing a random access procedure in a wireless communication system. A method of performing a random access procedure according to an embodiment of the present disclosure may include receiving, from a base station, first configuration information related to uplink (UL) transmission and second configuration information related to downlink (DL) transmission, wherein the first configuration information includes information regarding an initial UL bandwidth part (BWP) and the second configuration information includes information regarding an initial DL BWP; transmitting, to the base station, a first message for the random access procedure on the initial UL BWP; and receiving from the base station, a second message for the random access procedure on the initial DL BWP in response to the first message.

公开(公告)号：US12015509B2

公开(公告)日：2024-06-18

申请号：US17844503

申请日：2022-06-20

Applicant: LG ELECTRONICS INC.

Inventor： Seunggye Hwang ,  Hyunsoo Ko ,  Yunjung Yi ,  Bonghoe Kim ,  Kijun Kim

IPC: H04L27/00 ,  H04L1/00 ,  H04L1/1607 ,  H04L5/00 ,  H04L27/22 ,  H04L27/26 ,  H04L27/34 ,  H04W4/70 ,  H04W4/80 ,  H04W72/0446 ,  H04W72/0453 ,  H04W92/10

CPC classification number: H04L27/0008 ,  H04L1/0061 ,  H04L5/0007 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0083 ,  H04L27/22 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2614 ,  H04L27/3444 ,  H04W4/70 ,  H04W4/80 ,  H04W72/0446 ,  H04W72/0453 ,  H04W92/10 ,  H04L1/1664 ,  H04L5/0062

Abstract: The present specification relates to a method for transmitting, by a terminal, a demodulation reference signal (DMRS) in a wireless communication system supporting narrow-band (NB)-Internet of things (IOT), the method comprising: generating, for single tone transmission, a reference signal sequence to be used for demodulation; mapping the reference signal sequence to a plurality of symbols; and transmitting, in the plurality of symbols, the demodulation reference signal to a base station by using a single tone, wherein phase rotation is applied to each of the plurality of symbols.

公开(公告)号：US11991753B2

公开(公告)日：2024-05-21

申请号：US18108502

申请日：2023-02-10

Applicant: LG ELECTRONICS INC.

Inventor： Youngdae Lee ,  Jaehyung Kim ,  Seunggye Hwang

IPC: H04W4/00 ,  H04W74/0833

CPC classification number: H04W74/0833

Abstract: Disclosed are a method and apparatus for performing a random access procedure in a wireless communication system. The method for performing a random access procedure according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, configuration information related to random access, wherein the configuration information includes a scaling factor for a back-off indicator (BI) for a specific type of terminal; transmitting a first random access preamble to the base station; receiving, from the base station, a random access response (RAR) in response to the first random access preamble, wherein the RAR includes the BI; and on the basis of the RAR not including a random access preamble identifier (RAPID) associated with the first random access preamble, transmitting a second random access preamble to the base station.

公开(公告)号：US11963230B2

公开(公告)日：2024-04-16

申请号：US17310541

申请日：2020-03-27

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin Shin ,  Suckchel Yang ,  Seonwook Kim ,  Joonkui Ahn ,  Changhwan Park ,  Seunggye Hwang

IPC: H04W74/08 ,  H04L27/26 ,  H04W74/0833

CPC classification number: H04W74/0833 ,  H04L27/2605

Abstract: A method and device for transmitting and receiving a signal in a wireless communication system according to an embodiment of the present disclosure includes: transmitting a physical random access channel (PRACH); and receiving a random access response (RAR) on the basis of the PRACH, wherein the MACH is composed of N_MAX sequences mapped on the frequency domain, the N_MAX sequences are formed of M groups each including N sequences, the N_MAX sequences have the same length, the N_MAX sequences are generated on the basis of the same base sequence; the N sequences respectively have different cyclic shift (CS) values applied thereto; and the pattern of the different CS values may be the same for the M groups.

公开(公告)号：US11943714B2

公开(公告)日：2024-03-26

申请号：US17888900

申请日：2022-08-16

Applicant: LG Electronics Inc.

Inventor： Seunggye Hwang ,  Changhwan Park ,  Joonkui Ahn ,  Sukhyon Yoon

IPC: H04B7/185 ,  H04W4/80 ,  H04W52/02 ,  H04W68/00 ,  H04W76/11 ,  H04W76/28 ,  H04L101/654

CPC classification number: H04W52/0229 ,  H04W4/80 ,  H04W52/0219 ,  H04W68/005 ,  H04W76/11 ,  H04W76/28 ,  H04L2101/654

Abstract: The present invention relates to a method for receiving a paging signal in a wireless communication system, and a device therefor, the method comprising the steps of: determining index information indicating a wake up signal (WUS) resource; and monitoring a WUS on the basis of the determined index information, wherein, when a user equipment (UE) supports machine type communication (MTC), the index information indicating the WUS resource is determined on the basis of identification information of the UE, parameters related to a discontinuous reception (DRX) cycle of the UE, information related to the number of paging narrowbands, and information related to the number of UE groups for the WUS.

公开(公告)号：US11889466B2

公开(公告)日：2024-01-30

申请号：US18121279

申请日：2023-03-14

Applicant: LG ELECTRONICS INC.

Inventor： Seunggye Hwang ,  Jaehyung Kim ,  Youngdae Lee ,  Suckchel Yang

IPC: H04W68/00 ,  H04W72/0446 ,  H04W24/08 ,  H04W72/23 ,  H04W68/02 ,  H04W72/1273

CPC classification number: H04W68/005 ,  H04W24/08 ,  H04W68/02 ,  H04W72/0446 ,  H04W72/1273 ,  H04W72/23

Abstract: According to at least one of embodiments of the present disclosure, a UE may receive paging early indication (PEI)-related information through higher-layer signaling, attempt to detect a PEI associated with ‘M’ paging occasions (POs) based on the PEI-related information, determine whether to perform or skip monitoring of a physical downlink control channel (PDCCH) in a specific PO related to the UE among the plurality of POs, based on the detected PEI, and receive at least one of paging downlink control information (DCI) carried by the PDCCH or a physical downlink shared channel (PDSCH) scheduled by the paging DCI, in a state in which the UE determines to perform monitoring of the PDCCH.