公开(公告)号：US12218881B2

公开(公告)日：2025-02-04

申请号：US18394809

申请日：2023-12-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoon-dong Noh ,  Young-woo Kwak ,  Cheol-kyu Shin

IPC: H04L5/00 ,  H04W72/044 ,  H04W72/23

Abstract: The disclosure relates to a wireless communication system, in which a method performed by a user equipment includes receiving, from a base station, information configuring a plurality of sounding reference signal (SRS) resources that are related with one channel state information-reference signal (CSI-RS) resource, receiving an SRS resource indicator (SRI) indicating at least one SRS resource from among the plurality of SRS resources, obtaining, based on an implicit precoding being indicated for an uplink channel, precoding information for the uplink channel based on the CSI-RS resource related with a most recently transmitted SRS of the at least one SRS resource indicated by the SRI, and transmitting, to the base station, the uplink channel based on the precoding information.

公开(公告)号：US11870731B2

公开(公告)日：2024-01-09

申请号：US16754923

申请日：2018-10-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoon-dong Noh ,  Young-woo Kwak ,  Cheol-kyu Shin

IPC: H04L5/00 ,  H04W72/044 ,  H04W72/23

CPC classification number: H04L5/0057 ,  H04L5/0023 ,  H04L5/0094 ,  H04W72/046 ,  H04W72/23

Abstract: The disclosure relates to a wireless communication system, in which a method of transmitting an uplink reference signal or channel, according to an embodiment, includes receiving, from a base station, information about a direction of a beam to be used for transmission of the uplink reference signal or channel; performing beamforming on the uplink reference signal or channel based on the information about the direction of the beam; and transmitting the beamformed uplink reference signal or channel to the base station.

公开(公告)号：US11582626B2

公开(公告)日：2023-02-14

申请号：US16756312

申请日：2018-10-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young-woo Kwak ,  Hoon-dong Noh ,  Cheol-kyu Shin

IPC: H04L1/00 ,  H04W24/08 ,  H04B7/06 ,  H04B17/318 ,  H04L5/00

Abstract: Provided are a method and apparatus for supporting beam-based cooperative communication for smoothly providing a service in a wireless communication system. The method, performed by a terminal, of supporting beam-based cooperative communication includes: receiving, from a base station, configuration information for measuring quality of a beam; receiving first reference signals regarding desired channels respectively corresponding to a plurality of transmission beams received from the base station, and second reference signals regarding interference channels respectively corresponding to a plurality of transmission beams that interfere with the plurality of transmission beams received from the base station; and measuring quality of a beam regarding the plurality of transmission beams received from the base station, based on the configuration information, the first reference signals, and the second reference signals.