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.

公开(公告)号：US11064497B2

公开(公告)日：2021-07-13

申请号：US16494127

申请日：2018-03-15

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04W4/70 ,  H04W4/80 ,  H04L1/18

Abstract: Disclosed are a method for transmitting/receiving data in a wireless communication system supporting NarrowBand-Internet of Things (NB-IoT) and a device therefor. Specifically, a method for receiving data by a terminal may include: receiving, from a base station, Semi-Persistent Scheduling (SPS) configuration information for SPS; receiving, from the base station, an SPS control channel for delivering control information representing activation of the SPS; and receiving, from the base station, SPS data channels in specific subframes scheduled according to the SPS configuration information, in which search spaces related to the remaining SPS data channels other than a first SPS data channel among the received SPS data channels may be configured not to be monitored by the UE.

公开(公告)号：US10925021B2

公开(公告)日：2021-02-16

申请号：US16711024

申请日：2019-12-11

Applicant: LG Electronics Inc.

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

IPC: H04W56/00 ,  H04J11/00 ,  H04L5/14

Abstract: Disclosed are a method for transmitting and receiving a synchronization signal in a wireless communication system supporting NarrowBand-Internet of Things (NB-IoT) and an apparatus therefor. Specifically, the method for transmitting and receiving a synchronization signal may include: receiving, from a base station, a narrowband synchronization signal; and performing a cell search procedure for the base station based on the narrowband synchronization signal, in which the narrowband synchronization signal may include a narrowband primary synchronization signal and a narrowband secondary synchronization signal, the narrowband primary synchronization signal and the narrowband secondary synchronization signal may be transmitted in different subframe, and the subframe in which the narrowband secondary synchronization signal is transmitted may be configured differently according to a type of a radio frame structure.

公开(公告)号：US10904861B2

公开(公告)日：2021-01-26

申请号：US16379288

申请日：2019-04-09

Applicant: LG Electronics Inc.

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

IPC: H04W68/02 ,  H04W52/02 ,  H04W84/12

Abstract: One disclosure in the present specification presents a method for a wireless device to receive a paging message. The method may comprise: a step of deciding a wake up signal occasion (WUSO) window for attempting to receive a wake up signal (WUS); and a step of monitoring a downlink control channel during a paging window so as to attempt to receive a paging message, if the WUS is received within the decided WUSO window. Here, the WUSO window may be decided according to a duration size and offset.