公开(公告)号：US10924235B2

公开(公告)日：2021-02-16

申请号：US16077325

申请日：2018-03-26

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom Lee ,  Jiwon Kang ,  Kyuseok Kim ,  Kijun Kim ,  Kunil Yum

IPC: H04L5/00

Abstract: The present invention discloses a method of receiving a phase tracking reference signal by a user equipment in a wireless communication system and device for supporting the same.

公开(公告)号：US10904874B2

公开(公告)日：2021-01-26

申请号：US16824990

申请日：2020-03-20

Applicant: LG Electronics Inc.

Inventor： Kyuseok Kim ,  Hyungtae Kim ,  Jiwon Kang ,  Sukhyon Yoon ,  Kilbom Lee

IPC: H04L5/00 ,  H04W72/04

Abstract: The present invention relates to a method and device for operating a terminal in a wireless communication system. According to the present invention, downlink control information is transmitted to a terminal and can include symbol information related to the last symbol of a downlink shared channel. A method and device can be provided wherein a terminal transmits a first demodulation reference signal(DMSR) and at least one second DMRS for demodulating downlink data, and transmits data through the downlink shared channel, and a symbol position to which the at least one second DMRS is mapped is determined according to the symbol information.

公开(公告)号：US20200313828A1

公开(公告)日：2020-10-01

申请号：US16759774

申请日：2018-11-15

Applicant: LG Electronics Inc.

Inventor： Kukheon Choi ,  Suckchel Yang ,  Jiwon Kang ,  Kyuseok Kim ,  Kilbom Lee

IPC: H04L5/00 ,  H04B7/06

Abstract: A method for transmitting an SRS resource by a terminal when all cyclic shifts (CSs) of a sounding reference signal (SRS) resource are not used for SRS comprises the steps of: receiving information on the usage of a CS that is not used for a SRS; receiving information on an SRS resource index, a CS index that is not used for the SRS, and a usage specifying index; and transmitting the SRS resource by using the CS index, wherein the usage of the SRS resource is determined on the basis of information on the usage of the CS and the usage specifying index

公开(公告)号：US10764838B2

公开(公告)日：2020-09-01

申请号：US16328830

申请日：2017-07-25

Applicant: LG Electronics Inc.

Inventor： Kilbom Lee ,  Kijun Kim ,  Kyuseok Kim ,  Minki Ahn ,  Hyukjin Chae

IPC: H04W52/32 ,  H04L5/00 ,  H04L1/00 ,  H04L25/02 ,  H04W52/14

Abstract: A method for a terminal receiving a beam reference signal (BRS) and a physical broadcast channel (PBCH) in a wireless communication system can comprise the steps of: determining a power ratio of BRS to PBCH per resource element (RE) on the basis of the number of BRS ports; detecting the BRS and a demodulation reference signal (DMRS) on the basis of the number of the BRS ports; and determining whether or not the determined power ratio of BRS to PBCH is to be compensated to an estimated channel on the basis of the DMRS.

公开(公告)号：US10554360B2

公开(公告)日：2020-02-04

申请号：US16383138

申请日：2019-04-12

Applicant: LG Electronics Inc.

Inventor： Kilbom Lee ,  Jiwon Kang ,  Haewook Park

IPC: H04L5/00 ,  H04W52/34 ,  H04W72/04

Abstract: The present invention proposes a method of transmitting and receiving an uplink phase tracking reference signal between a user equipment and a base station in a wireless communication system and an apparatus therefore. According to one embodiment applicable to the present invention, the user equipment can transmit an uplink phase tracking reference signal to the base station using a power boosting level determined based on first information and second information received from the base station.

公开(公告)号：US10539671B2

公开(公告)日：2020-01-21

申请号：US15557629

申请日：2016-01-20

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom Lee ,  Jiwon Kang ,  Kitae Kim ,  Kungmin Park ,  Heejin Kim

IPC: G01S13/524 ,  G01S5/02 ,  H04B7/06 ,  H04W56/00 ,  G01S5/12

Abstract: Disclosed is a Doppler distribution measurement method comprising: receiving a plurality of receive signals that arrive via different RE sets in different paths; measuring CFO values of the plurality of receive signals; selecting the two receive signals in which the difference in value between the CFO values are the greatest, from among the plurality of receive signals; and determining a Doppler shift difference between the selected two receive signals a an effective Doppler distribution.

公开(公告)号：US10469151B2

公开(公告)日：2019-11-05

申请号：US15760069

申请日：2016-05-17

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon Kang ,  Kitae Kim ,  Kilbom Lee ,  Kukheon Choi ,  Heejin Kim ,  Kyuseok Kim

IPC: H04B7/06 ,  H04B7/0408 ,  H04B7/08 ,  H04B7/0413

Abstract: Disclosed in the present application is a method for receiving a downlink signal by a terminal from a base station in a wireless communication system. In particular, the present invention is characterized by comprising the steps of: receiving a beam scanning subframe, configured of a plurality of preambles for scanning transmission means at first intervals, from the base station; selecting a preferred transmission beam corresponding to one preamble from among the plurality of preambles, and a preferred reception beam corresponding to the preferred transmission beam reporting information on the preferred transmission beam to the base station; and receiving the one preamble and a certain subframe configured of a downlink physical channel beam formed by the preferred transmission beam at second intervals within the first interval.

公开(公告)号：US10461907B2

公开(公告)日：2019-10-29

申请号：US16065122

申请日：2017-11-09

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom Lee ,  Hyunsoo Ko ,  Jiwon Kang ,  Kyuseok Kim ,  Kijun Kim

IPC: H04L5/00 ,  H04W72/08 ,  H04W24/08 ,  H04L1/00 ,  H04W48/12

Abstract: According to an embodiment of the present specification, provided is a method for transmitting a signal that allows a user equipment to cancel phase noise by a base station in an mmWave communication system. In this case, the method may include: generating a PTRS for estimating phase noise of a downlink signal; transmitting PTRS power boosting level information for the PTRS to the user equipment via downlink signaling; and transmitting the PTRS via downlink signaling based on the PTRS power boosting level information. In this case, the PTRS power boosting level information may be determined based on at least one of MCS level and PRB size.

公开(公告)号：US10367629B2

公开(公告)日：2019-07-30

申请号：US15543950

申请日：2016-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu Kim ,  Hyunsoo Ko ,  Kilbom Lee ,  Kukheon Choi ,  Kwangseok Noh ,  Sangrim Lee

IPC: H04L5/14 ,  H04L27/26 ,  H04B15/00 ,  H04L25/02 ,  H04W84/04

Abstract: A method for estimating, by a device using an FDR scheme, a non-linear self-interference signal channel comprises a step of estimating a non-linear self-interference signal channel using a first sequence set included in a predefined first sequence set, wherein the predefined first sequence set is defined in consideration of non-linear self-interference signal components in an RF transmission chain and an RF reception chain of the device.

公开(公告)号：US10361830B2

公开(公告)日：2019-07-23

申请号：US15571601

申请日：2016-05-17

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Jiwon Kang ,  Kilbom Lee ,  Heejin Kim ,  Kungmin Park

IPC: H04W72/08 ,  H04L5/00 ,  H04B7/04 ,  H04L25/02 ,  H04W16/02 ,  H04W16/28 ,  H04W56/00 ,  H04B7/0413 ,  H04W88/02 ,  H04W88/08 ,  H04B7/06

Abstract: Provided are a method and an apparatus for transmitting an uplink reference signal in a wireless communication system. A terminal receives from a base station, information on the maximum repetition number of the uplink reference signal, determines the repetition number of the uplink reference signal using the received information on the maximum repetition number of the uplink reference signal and signal quality obtained through downlink synchronization, and repeatedly transmits, to the base station, the uplink reference signal according to the determined repetition number of the uplink reference signal. The base station determines the uplink coverage of the terminal on the basis of the repeatedly received uplink reference signal.