公开(公告)号：US11778536B2

公开(公告)日：2023-10-03

申请号：US17277699

申请日：2019-09-18

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung Kim ,  Changhwan Park ,  Seokmin Shin ,  Seunggye Hwang

IPC: H04W4/00 ,  H04B1/00 ,  H04W48/02 ,  H04W4/70 ,  H04B1/713 ,  H04W16/02 ,  H04W16/14 ,  H04W72/20

CPC classification number: H04W48/02 ,  H04B1/713 ,  H04W4/70 ,  H04W16/02 ,  H04W16/14 ,  H04W72/20

Abstract: The present specification provides a method for supporting an operation of a standalone MTC that uses a multi-narrowband in a wireless communication system. More specifically, a method performed by a terminal comprises the steps of: receiving, from a base station, multi-narrowband configuration information related to a plurality of narrowbands defined within an NR bandwidth including a first system bandwidth related to an in-band MTC operation and a second system bandwidth related to a standalone MTC operation; and performing frequency hopping on the plurality of narrowbands, on the basis of the multi-narrowband configuration information.

公开(公告)号：US11751203B2

公开(公告)日：2023-09-05

申请号：US17985553

申请日：2022-11-11

Applicant: LG Electronics Inc.

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

IPC: H04W72/21 ,  H04L5/00

CPC classification number: H04W72/21 ,  H04L5/0055

Abstract: A method and a device for transmitting or receiving a signal in a wireless communication system according to an embodiment of the present invention are provided, and the method may comprise: determining a physical uplink control channel (PUCCH) resource for transmitting a PUCCH; and transmitting the PUCCH via the PUCCH resource, wherein the PUCCH resource is determined to be one of 16 PUCCH resources in a PUCCH resource set, and the 16 PUCCH resources include a PUCCH resource having a start symbol index of 12 and a PUCCH resource having a start symbol index of 9, or include a PUCCH resource having an orthogonal cover code (OCC) of 0 and a PUCCH resource having an OCC of 1.

公开(公告)号：US11665749B2

公开(公告)日：2023-05-30

申请号：US17692958

申请日：2022-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin Shin ,  Suckchel Yang ,  Seonwook Kim ,  Joonkui Ahn ,  Sechang Myung

IPC: H04W74/08 ,  H04L27/26 ,  H04W72/04 ,  H04W74/00 ,  H04L5/00 ,  H04W16/14 ,  H04W72/12 ,  H04W72/0453 ,  H04W72/0446 ,  H04W72/1268 ,  H04W72/20 ,  H04W72/23

CPC classification number: H04W74/0841 ,  H04L5/0044 ,  H04L5/0094 ,  H04L27/2602 ,  H04L27/26025 ,  H04W16/14 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/1268 ,  H04W72/20 ,  H04W72/23 ,  H04W74/002 ,  H04W74/006 ,  H04W74/0808 ,  H04W74/0833 ,  H04W74/0866

Abstract: A method and an apparatus for transmitting/receiving signals in a wireless communication system, according to one embodiment of the present invention, perform a 2- or 4-step random access process in a shared spectrum. In a method for interpreting an FDRA field for PUSCH transmissions corresponding to an RAR in a 4-step random access process or a fallback RAR in a 2-step random access process, the FDRA field is truncated to its X LSB, or the FDRA field is padded with Y MSB, on the basis of whether interlace allocation for a PUSCH for access to a shared spectrum channel is provided, and the FDRA field is interpreted as the FDRA field of downlink control information (DCI) format 0_0.

公开(公告)号：US11653382B2

公开(公告)日：2023-05-16

申请号：US17394643

申请日：2021-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin Shin ,  Changhwan Park ,  Joonkui Ahn ,  Daesung Hwang ,  Seunggye Hwang

IPC: H04W74/00 ,  H04L5/00 ,  H04L27/26 ,  H04W72/0453 ,  H04W74/08

CPC classification number: H04W74/004 ,  H04L5/001 ,  H04L5/0012 ,  H04L5/0053 ,  H04L27/2607 ,  H04W72/0453 ,  H04W74/0833

Abstract: The present specification provides a method for transmitting a narrowband physical random access channel (NPRACH) preamble in a narrow band (NB)-Internet of things (IoT) system supporting a frame structure type 2. More specifically, the method performed by a user equipment includes receiving, from a base station, control information related to an uplink-downlink configuration; and transmitting, to the base station, the NPRACH preamble based on parameters related to a NPRACH preamble transmission related to the received control information.

公开(公告)号：US11589374B2

公开(公告)日：2023-02-21

申请号：US17562584

申请日：2021-12-27

Applicant: LG Electronics Inc.

Inventor： Seokmin Shin ,  Suckchel Yang ,  Joonkui Ahn ,  Seonwook Kim

IPC: H04W72/12 ,  H04W72/1268 ,  H04L27/26 ,  H04L1/1607 ,  H04W72/0453

Abstract: A method and device for transmitting/receiving a signal in a wireless communication system according to an embodiment of the present invention may comprise: repeatedly mapping a PUCCH sequence to each of resource blocks (RBs) in an interlace; and transmitting a PUCCH on the interlace, wherein the CS value of the PUCCH sequence may vary on the basis of values determined by multiplying RB indexes of the respective RBs by a Δ value.

公开(公告)号：US11470537B2

公开(公告)日：2022-10-11

申请号：US17267432

申请日：2019-08-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W48/02 ,  H04W4/70 ,  H04W48/12

Abstract: A cell access method of a terminal in a wireless communication system, and an apparatus therefor are disclosed. Particularly, provided is a cell access method by which a terminal supports standalone machine type communication (sMTC) in a wireless communication system, comprising the steps of: receiving, from a base station, one from among a plurality of system information blocks (SIBs), wherein the one SIB includes first instruction information related to the blocking of cell access of terminals for supporting services other than the sMTC; performing the cell access; and performing, on the basis of the first instruction information. a specific operation related to the sMTC when the cell does not permit the cell access of the terminals for supporting services other than the sMTC.

公开(公告)号：US11425761B2

公开(公告)日：2022-08-23

申请号：US17124150

申请日：2020-12-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04W74/08 ,  H04W16/14 ,  H04W74/00

Abstract: This specification provides a method for transmitting an NPRACH preamble in a wireless communication system supporting TDD. More specifically, the method performed by the UE includes: receiving, from a base station, NPRACH configuration information including control information for a repetition number of NPRACH preambles including symbol groups through a higher layer signaling; and transmitting, to the base station, the NPRACH preamble repeatedly through frequency hopping of a symbol group based on the NPRACH configuration information, in which a frequency location of the symbol group is determined based on a first parameter related to a start subcarrier and a second parameter related to the frequency hopping.

公开(公告)号：US11212841B2

公开(公告)日：2021-12-28

申请号：US16496734

申请日：2018-03-22

Applicant: LG Electronics Inc.

Inventor： Jaehyung Kim ,  Joonkui Ahn ,  Seokmin Shin ,  Seunggye Hwang

IPC: H04W4/00 ,  H04W74/08 ,  H04W74/00

Abstract: The present invention relates to a method for performing a random access procedure in a wireless communication system and an apparatus therefor, the method comprising the steps of: receiving a physical downlink control channel (PDCCH) order, which indicates initiation of a random access procedure, from a base station; transmitting a random access preamble to the base station; and receiving a random access response message from the base station, wherein the step of receiving the random access response message comprises receiving downlink data together with the random access response message when the PDCCH order indicates downlink data transmission in Msg2.

公开(公告)号：US11122537B2

公开(公告)日：2021-09-14

申请号：US16095819

申请日：2016-12-20

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin Shin ,  Hanbyul Seo

IPC: H04W64/00 ,  G01S5/02 ,  H04W74/08 ,  H04W24/10 ,  H04W8/00

Abstract: A method for estimating the distance between device-to-device (D2D) terminals in a wireless communication system according to the present specification, carried out by a first D2D terminal, is characterized by comprising the steps of: receiving, from a second D2D terminal, a particular message comprising first distance information, regarding the differences in distance between the second D2D terminal and at least three reference base stations configured thereby, and second distance information indicating the distances between said at least three reference base stations; measuring the distance to each reference base station; and estimating the distance to the second D2D terminal by means of the measured distance to each reference base station, first distance information and second distance information.

公开(公告)号：US11115144B2

公开(公告)日：2021-09-07

申请号：US16738724

申请日：2020-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin Shin ,  Yunjung Yi ,  Seonwook Kim ,  Bonghoe Kim

IPC: H04J11/00 ,  H04L27/26 ,  H04L5/00 ,  H04L12/18 ,  H04W56/00 ,  H04W72/04

Abstract: A cell search method of a terminal in a wireless communication system, comprises: a step of receiving a narrow band synchronization signal through a narrow band from a base station; and a step of acquiring time synchronization and frequency synchronization with the base station on the basis of the narrow band synchronization signal and detecting an identifier of the base station, wherein the narrow band has a system bandwidth of 180 kHz and includes twelve carriers arranged at intervals of 15 kHz, and the narrow band synchronization signal consists of a first narrow band synchronization signal and a second narrow band synchronization signal, wherein the first narrow band synchronization signal can be transmitted in a sixth subframe of a radio frame and the second narrow band synchronization signal can be transmitted in a tenth subframe of the radio frame.