公开(公告)号：US20190239057A1

公开(公告)日：2019-08-01

申请号：US16383103

申请日：2019-04-12

Applicant: LG Electronics Inc.

Inventor： Seunggye HWANG ,  Changhwan PARK ,  Seokmin SHIN ,  Joonkui AHN ,  Suckchel YANG

IPC: H04W4/80 ,  H04W72/04 ,  H04L5/14 ,  H04L5/00

Abstract: One disclosure of the present specification provides a method for receiving a downlink physical channel by a narrowband Internet of things (NB-IoT) device. The method may comprise the steps of: determining whether to receive a signal of a downlink physical channel from an NB-IoT cell, on a downlink pilot time slot (DwPTS) of a time division duplex (TDD) special subframe; and receiving the signal of the downlink physical channel on the TDD special subframe including the DwPTS, on the basis of the determination.

公开(公告)号：US20190215872A1

公开(公告)日：2019-07-11

申请号：US16257960

申请日：2019-01-25

Applicant: LG ELECTRONICS INC.

Inventor： Changhwan PARK ,  Seokmin SHIN ,  Joonkui AHN ,  Seunggye HWANG

IPC: H04W74/08

Abstract: This specification provides a method for performing early data transmission in a random access procedure in a wireless communication system.More specifically, the method performed by a user equipment (UE) includes: receiving, from a base station, a control message including first information indicating whether selection for a second transport size (TBS) smaller than a first TBS for message 3 is permitted and second information for the first TBS; transmitting, to the base station, a request for the EDT by using message 1; receiving, from the base station, message 2 including a UL grant for the message 3; determining a repetition number for the message 3 based on the control message and the UL grant; and transmitting the message 3 to the base station by the repetition number.Therefore, there is an effect that battery consumption of the UE can be reduced.

公开(公告)号：US20190207734A1

公开(公告)日：2019-07-04

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

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：US20190158261A1

公开(公告)日：2019-05-23

申请号：US16257630

申请日：2019-01-25

Applicant: LG Electronics Inc.

Inventor： Seunggye HWANG ,  Joonkui AHN ,  Changhwan PARK ,  Seonwook KIM

IPC: H04L5/14 ,  H04L5/00 ,  H04L27/26 ,  H04W74/08

CPC classification number: H04L5/14 ,  H04L5/001 ,  H04L5/0051 ,  H04L5/0053 ,  H04L27/2666 ,  H04W72/0446 ,  H04W74/0833

Abstract: The disclosure of the present specification provides a method for performing a narrowband physical uplink shared channel (NPUSCH) transmission. The method may comprise: determining a start position of the NPUSCH transmission; performing the NPUSCH transmission, if the start position of the NPUSCH transmission is determined as a first of two contiguous subframes; and postponing the NPUSCH transmission, if the start position of the NPUSCH transmission is determined as a second of the two contiguous subframes. The two contiguous subframes may be configured as a time division duplex (TDD) uplink subframe based on at least one of TDD configurations 1 and 4. The two contiguous subframes may be defined for a subcarrier spacing of 3.75 kHz.

公开(公告)号：US20180331807A1

公开(公告)日：2018-11-15

申请号：US16065654

申请日：2017-11-06

Applicant: LG Electronics Inc.

Inventor： Seonwook KIM ,  Suckchel YANG ,  Yunjung YI ,  Jaehyung KIM ,  Changhwan PARK ,  Joonkui AHN

IPC: H04L5/00 ,  H04W72/04 ,  H04L27/26 ,  H04B1/7156 ,  H04J1/14

CPC classification number: H04L5/0053 ,  H04L5/0048 ,  H04W72/04

Abstract: Disclosed are a method for transmitting and receiving a physical uplink control channel between a terminal and a base station in a wireless communication system, and an apparatus for supporting the same. More particularly, disclosed are a method for transmitting and receiving a physical uplink control channel through a plurality of channels between a terminal and a base station in a wireless communication system supporting transmission and reception of a physical uplink control channel through a single symbol, and an apparatus for supporting the same.

公开(公告)号：US20160128022A1

公开(公告)日：2016-05-05

申请号：US14894949

申请日：2013-05-31

Applicant: LG ELECTRONICS INC.

Inventor： Changhwan PARK ,  Changsoo LEE ,  Yusung LEE

IPC: H04W72/00 ,  H04W72/08 ,  H04B17/309 ,  H04W72/04

CPC classification number: H04W72/005 ,  H04B17/309 ,  H04B17/345 ,  H04W72/042 ,  H04W72/082

Abstract: A method for receiving control information for removing interference of an adjacent cell in a wireless access system, according to one embodiment of the present invention, comprises the steps of: receiving, from a serving cell, indication information expressing whether the number of resource blocks in the serving cell and in the adjacent cell match, and whether the number of antennas in the serving cell and in the adjacent cell are match; receiving a physical broadcast channel (PBCH) of the adjacent cell when the number of resource blocks and/or the number of antennas do not match; and determining the number of resource blocks and/or the number of antennas of the adjacent cell from the physical broadcast channel in the adjacent cell that has been received.

Abstract translation: 根据本发明的一个实施例，一种用于接收用于去除无线接入系统中的相邻小区的干扰的控制信息的方法包括以下步骤：从服务小区接收表示资源块数目的指示信息 服务小区和相邻小区中的天线匹配，以及服务小区和相邻小区中的天线数量是否匹配; 当资源块的数量和/或天线数不匹配时，接收相邻小区的物理广播信道（PBCH）; 以及从接收的相邻小区中的物理广播信道确定资源块的数量和/或相邻小区的天线数。

公开(公告)号：US20230188191A1

公开(公告)日：2023-06-15

申请号：US18106675

申请日：2023-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyung KIM ,  Seonwook KIM ,  Changhwan PARK ,  Seokmin SHIN ,  Joonkui AHN ,  Suckchel YANG ,  Seunggye HWANG

IPC: H04B7/06 ,  H04W4/70 ,  H04L5/00 ,  H04L25/02 ,  H04L27/26 ,  H04W72/23

CPC classification number: H04B7/0639 ,  H04W4/70 ,  H04B7/0626 ,  H04L5/0048 ,  H04L25/0224 ,  H04L27/261 ,  H04W72/23

Abstract: The present specification discloses a method for receiving, by a terminal, a machine type communication (MTC) physical downlink control channel (MPDCCH) from a base station in a wireless communication system, the method comprising: receiving, from a base station, configuration information related to reception of a demodulation reference signal (DMRS) to which one of a plurality of candidate precoders applied to a cell specific reference signal (CRS) is applied; receiving, from the base station, the DMRS and control information through the MPDCCH on the basis of the configuration information; performing channel estimation on the MPDCCH on the basis of at least one of the DMRS or the CRS; and demodulating the control information on the basis of the channel estimation, wherein when a subframe which is not available for the CRS exists in an MPDCCH repetition, the channel estimation is performed using only the DMRS.

公开(公告)号：US20230163882A1

公开(公告)日：2023-05-25

申请号：US18151802

申请日：2023-01-09

Applicant: LG Electronics Inc.

Inventor： Duckhyun BAE ,  Yunjung YI ,  Daesung HWANG ,  Inkwon SEO ,  Changhwan PARK

IPC: H04L1/08 ,  H04L1/1812 ,  H04W72/0446

CPC classification number: H04L1/08 ,  H04L1/1812 ,  H04W72/0446

Abstract: The present invention discloses methods for operating a user equipment and a base station in a wireless communication system and devices for supporting the same. More specifically, the present invention provides various embodiments of methods by which a user equipment transmits an uplink signal to a base station and receives feedback information on the uplink signal in order to transmit and receive signals to and from the base station.

公开(公告)号：US20230155876A1

公开(公告)日：2023-05-18

申请号：US18156801

申请日：2023-01-19

Applicant: LG Electronics Inc.

Inventor： Sukhyon YOON ,  Hyunsoo KO ,  Kijun KIM ,  Byounghoon KIM ,  Changhwan PARK

IPC: H04L27/26 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04L27/2657 ,  H04L5/003 ,  H04L27/2601 ,  H04W72/04 ,  H04L27/26025 ,  H04L27/2626 ,  H04L27/26536 ,  H04L27/2666

Abstract: A method of transmitting, by a transmitting device, an orthogonal frequency division multiplexing (OFDM) signal in a wireless communication system, the method including: generating, by a digital module of the transmitting device, a frequency-shifted OFDM baseband signal by performing frequency up-shift of a first signal by a difference between a carrier frequency f0 and a first frequency fbase, wherein the first frequency fbase is among frequencies corresponding to integer multiples of 128Δf closest to the carrier frequency f0, and wherein Δf is an OFDM subcarrier spacing; up-converting, by an analog oscillator of the transmitting device, the frequency-shifted OFDM baseband signal by the first frequency fbase to generate an OFDM symbol signal at the carrier frequency f0; and transmitting the OFDM symbol signal at the carrier frequency f0.

公开(公告)号：US20220408359A1

公开(公告)日：2022-12-22

申请号：US17888900

申请日：2022-08-16

Applicant: LG Electronics Inc.

Inventor： Seunggye HWANG ,  Changhwan PARK ,  Joonkui AHN ,  Sukhyon YOON

IPC: H04W52/02 ,  H04W76/28 ,  H04W4/80 ,  H04W76/11 ,  H04W68/00

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.