公开(公告)号：US10560208B2

公开(公告)日：2020-02-11

申请号：US15760587

申请日：2016-09-19

Applicant: LG ELECTRONICS INC.

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

IPC: H04J11/00 ,  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：US10419172B2

公开(公告)日：2019-09-17

申请号：US15736438

申请日：2016-06-13

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Inkwon Seo ,  Seokmin Shin

IPC: H04L5/00 ,  H04W88/08 ,  H04W52/28 ,  H04W72/04 ,  H04W72/08 ,  H04W52/14 ,  H04W52/34 ,  H04W52/24

Abstract: The present application discloses a method for transmitting a downlink signal by a base station in a wireless communication system. Particularly, the method comprises the steps of: distributing a total transmission power with respect to data for a short range user equipment (UE) and data for a long range UE; and transmitting the data for the short range UE through a plurality of layers, and transmitting the data for the long range UE through at least one of the plurality of layers, using the distributed transmission power, wherein the data for the short range UE and the data for the long range UE are transmitted through the same time resource and the same frequency resource, and a transmission power of the data for the short range UE distributed for each of the plurality of layers has an equal value.

公开(公告)号：US10149260B2

公开(公告)日：2018-12-04

申请号：US15402933

申请日：2017-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Seokmin Shin ,  Bonghoe Kim ,  Yunjung Yi

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

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：US12225525B2

公开(公告)日：2025-02-11

申请号：US18348802

申请日：2023-07-07

Applicant: LG Electronics Inc.

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

IPC: H04W72/23 ,  H04L5/00 ,  H04W72/1268

Abstract: A method and a device for transmitting and receiving a signal in a wireless communication system, according to one embodiment of the present invention, comprise: receiving downlink control information (DCI) for scheduling a physical uplink shared channel (PUSCH); and transmitting the PUSCH on the basis of the DCI. The PUSCH is transmitted in a certain number of resource blocks (RB), and the certain number of RBs may be (i) at most the number of RBs allocated by the DCI, and (ii) the greatest number that is a multiple of 2, 3, and/or 5.

公开(公告)号：US12096480B2

公开(公告)日：2024-09-17

申请号：US17910264

申请日：2021-08-06

Applicant: LG Electronics Inc.

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

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

CPC classification number: H04W74/0833 ,  H04W74/006

Abstract: The present disclosure relates to a wireless communication system. Specifically, the present disclosure relates to a method and an apparatus therefor, the method comprising the steps of: transmitting an RA preamble on one RO among a plurality of ROs, wherein a resource to which the RA preamble is transmitted includes the following elements, (a) a sub-interval index within a 10 ms interval, (b) a slot index within a sub-interval, (c) a symbol index within a slot, and (d) a frequency resource index; and after transmitting the RA preamble, monitoring DCI having an RA-identifier within a time window, the RA-identifier being masked in a CRC in the DCI, and receiving an RA response corresponding to the DCI, wherein one of (a) to (d) is included in a payload in the DCI, and the rest of (a) to (d) is included in the RA-identifier.

公开(公告)号：US12089261B2

公开(公告)日：2024-09-10

申请号：US17598102

申请日：2020-03-30

Applicant: LG Electronics Inc.

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

IPC: H04W74/0833 ,  H04W74/00

CPC classification number: H04W74/0833 ,  H04W74/004

Abstract: A method and device for transmitting and receiving a signal in a wireless communication system, according to one embodiment of the present invention, comprises transmitting a physical random access channel (PRACH) and receiving a random access response (RAR) on the basis of the PRACH, wherein the PRACH is transmitted via one random access channel (RACH) occasion (RO) of ROs in a RACH slot, timing gap durations exist between the ROs, and the same timing gap durations can be set even if a PRACH format and/or a subcarrier spacing (SCS) used for the PRACH are changed.

公开(公告)号：US12069745B2

公开(公告)日：2024-08-20

申请号：US18156110

申请日：2023-01-18

Applicant: LG Electronics Inc.

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

IPC: H04W74/08 ,  H04L27/26 ,  H04W72/0446 ,  H04W74/00 ,  H04W74/0833

CPC classification number: H04W74/0841 ,  H04L27/2607 ,  H04L27/2614 ,  H04W72/0446 ,  H04W74/004 ,  H04W74/0866

Abstract: A method and apparatus for transmitting and receiving a signal in a wireless communication system, according to an embodiment of the present invention, comprise: iteratively mapping a PUCCH sequence to each of resource blocks (RBs) within an interlace; and transmitting a PUCCH on the interlace, wherein a phase shift (PS) value of the PUCCH sequence may be changed on the basis of an RB index of each of the RBs.

公开(公告)号：US12021772B2

公开(公告)日：2024-06-25

申请号：US17290971

申请日：2019-11-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/0446

CPC classification number: H04L5/0048 ,  H04W72/0446

Abstract: The present specification provides a method whereby a terminal receives a preconfigured uplink resource from a base station, and a device for same. In particular, the method whereby a terminal receives a preconfigured uplink resource from a base station comprises: receiving a preconfigured uplink (UL) resource (PUR) configuration through RRC signaling from the base station; and if the terminal is in idle mode, transmitting uplink data to the base station by using a preconfigured uplink resource, wherein the preconfigured uplink resource comprises 12 subcarriers, the uplink data comprises a de-modulated reference signal (DMRS) sequence having a first length and including six subcarriers, and the de-modulated reference signal sequence may be transmitted using six of the 12 subcarriers.

公开(公告)号：US11974237B2

公开(公告)日：2024-04-30

申请号：US17431256

申请日：2020-02-17

Applicant: LG Electronics Inc.

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

IPC: H04W52/14 ,  H04W52/48

CPC classification number: H04W52/48 ,  H04W52/146

Abstract: The present disclosure is related to a method, by a user equipment (UE), for transmitting uplink data through a preconfigured uplink resource (PUR) in a wireless communication system and apparatus therefor. According to the present disclosure, the method comprises, the UE receives, from a base station, PUR configuration information for uplink data transmission based on the PUR in a radio resource control (RRC) connected state; transitions from the RRC connected state to an RRC idle state; performing a timing advance (TA) update procedure based on whether a TA related to uplink transmission timing is valid; and transmits, to the base station, the uplink data on a first resource of the PUR, wherein, based on that a specific resource included in the PUR is included in a TA update performing interval, a transmission for the uplink data on the specific resource is dropped, and a value of a counter for release of the PUR is held regardless of dropping of the uplink data on the specific resource.

公开(公告)号：US11871288B2

公开(公告)日：2024-01-09

申请号：US18162979

申请日：2023-02-01

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin Shin ,  Haewook Park ,  Kijun Kim ,  Hyunsoo Ko ,  Suckchel Yang ,  Seonwook Kim

IPC: H04W4/00 ,  H04W36/00 ,  H04B7/185 ,  H04W36/08 ,  H04W56/00

CPC classification number: H04W36/0061 ,  H04B7/18513 ,  H04W36/08 ,  H04W56/0045

Abstract: A method and device for transmitting and receiving signals in a wireless communication system according to an embodiment of the present invention receive Random Access Channel (RACH) configurations, and transmit random access preambles on a specific RACH occasion (RO) on the basis of the RACH configurations. The number of reference points in a cell is derived on the basis of the number of the RACH configurations, and the reference points can have respective initial Timing Advance (TA) values for the RACH process.