公开(公告)号：US10397953B2

公开(公告)日：2019-08-27

申请号：US16243341

申请日：2019-01-09

Applicant: LG Electronics Inc.

Inventor： Eunsun Kim ,  Hyunsoo Ko ,  Sukhyon Yoon ,  Kijun Kim

IPC: H04W74/08 ,  H04W56/00

Abstract: The present disclosure provides a method for transmitting a random access channel (RACH) by a UE in a wireless communication system. Particularly, the method includes receiving information about actually transmitted synchronization signal blocks (SBBs) and RACH configuration information about RACH resources and transmitting a RACH in at least one RACH resource among RACH resources mapped to actually transmitted SSBs on the basis of the information about actually transmitted SSBs and the RACH configuration information, wherein the actually transmitted SSBs are repeatedly mapped to RACH resources by a positive integer multiple of the number of the actually transmitted SSBs in a RACH configuration period based on the RACH configuration information.

公开(公告)号：US10200221B2

公开(公告)日：2019-02-05

申请号：US15395499

申请日：2016-12-30

Applicant: LG ELECTRONICS INC.

Inventor： Kyuin Lee ,  Jaewook Song ,  Sukhyon Yoon

IPC: H04W4/00 ,  H04L25/03 ,  H04B17/318 ,  H04B7/0413 ,  H04L5/00 ,  H04L27/26 ,  H04W52/36 ,  H04W52/42 ,  H04B7/0456 ,  H04B7/10 ,  H04W88/02 ,  H04W88/08

Abstract: Provided are a method for a user equipment to select a codebook index in a wireless communication system and an apparatus supporting the method. The method performed by the user equipment comprises performing zero padding for a first vector, wherein the first vector represents a channel state measured by a receive antenna for a first transmit antenna; performing IFFT for a second vector, wherein the second vector is obtained by performing the zero padding for the first vector; performing receive antenna combining for a third vector, wherein the third vector is obtained by performing IFFT for the second vector; and detecting a maximum element from a fourth vector, wherein the fourth vector is obtained by performing the receive antenna combining for the third vector.

公开(公告)号：US09661516B2

公开(公告)日：2017-05-23

申请号：US14383457

申请日：2013-03-18

Applicant: LG ELECTRONICS INC.

Inventor： Eunsun Kim ,  Sukhyon Yoon ,  Hanbyul Seo ,  Byounghoon Kim ,  Kijun Kim

IPC: H04W24/08 ,  H04J11/00 ,  H04W52/34

CPC classification number: H04W24/08 ,  H04J11/005 ,  H04W52/34

Abstract: A method and apparatus for performing measurement are disclosed. The method for performing radio link monitoring by a user equipment (UE) in a wireless communication system includes: performing cancellation of a reference signal (RS) of a neighbor cell; and determining whether to declare a radio link failure (RLF) on the basis of a reference signal (RS) of a serving cell by using information of a predetermined power ratio related to the neighbor cell.

公开(公告)号：US09654989B2

公开(公告)日：2017-05-16

申请号：US14383414

申请日：2013-03-25

Applicant: LG ELECTRONICS INC.

Inventor： Eunsun Kim ,  Sukhyon Yoon ,  Hanbyul Seo ,  Byounghoon Kim ,  Kijun Kim

IPC: H04W72/04 ,  H04J3/06 ,  H04W24/02 ,  H04W24/10 ,  H04L5/00 ,  H04W52/24 ,  H04W72/12 ,  H04W84/04 ,  H04L12/18

CPC classification number: H04W24/02 ,  H04B17/00 ,  H04L5/0035 ,  H04L12/189 ,  H04W24/10 ,  H04W52/244 ,  H04W72/1226 ,  H04W84/045

Abstract: A method and apparatus for measuring a neighbor cell in a wireless communication system are disclosed. The method for measuring a neighbor cell by a user equipment (UE) in a wireless communication system includes: receiving subframe information including a subframe pattern for neighbor cell measurement; performing synchronization acquisition from the neighbor cell; and performing measurement in a subframe corresponding to the subframe pattern, wherein the user equipment (UE) assumes that a signal required when the UE acquires synchronization from the neighbor cell is transmitted in a subframe corresponding to the subframe pattern.