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.

公开(公告)号：US10736091B2

公开(公告)日：2020-08-04

申请号：US15998495

申请日：2018-08-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoon-dong Noh ,  Young-woo Kwak ,  Ju-ho Lee

IPC: H04W72/04 ,  H04L5/00 ,  H04B1/00 ,  H04W28/20

Abstract: Methods and apparatuses for adapting a bandwidth of a terminal in a wireless communication system are provided. The method includes transmitting, to a base station (BS), information about bandwidth adaptation capability of the terminal, receiving, from the BS, a bandwidth adaptation command for requesting adaptation to a bandwidth corresponding to the bandwidth adaptation capability of the terminal, and adapting the bandwidth of the terminal in at least one symbol location in a unit time period of a subframe, based on the received bandwidth adaptation command.

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：US11431438B2

公开(公告)日：2022-08-30

申请号：US16651205

申请日：2018-09-28

Applicant: Samsung Electronics Co., Ltd. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Hoon-dong Noh ,  Seong-mok Lim ,  Youn-sun Kim ,  Young-woo Kwak ,  Sang-geun Lee ,  Chung-yong Lee

IPC: H04L1/00 ,  H04B7/06 ,  H04W24/10 ,  H04L5/00

Abstract: Provided are a method and apparatus for transmitting and receiving channel information in a wireless communication system. The method for transmitting and receiving channel information in a wireless communication system includes: receiving information about a channel information providing method from a base station; receiving, from the base station, a reference signal for measuring a channel status between the base station and the terminal; determining channel information for a plurality of services, based on the information about the channel information providing method and the reference signal; and transmitting, to the base station, the channel information for the plurality of services.

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：US20190059078A1

公开(公告)日：2019-02-21

申请号：US15998495

申请日：2018-08-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoon-dong Noh ,  Young-woo Kwak ,  Ju-ho Lee

IPC: H04W72/04

Abstract: Methods and apparatuses for adapting a bandwidth of a terminal in a wireless communication system are provided. The method includes transmitting, to a base station (BS), information about bandwidth adaptation capability of the terminal, receiving, from the BS, a bandwidth adaptation command for requesting adaptation to a bandwidth corresponding to the bandwidth adaptation capability of the terminal, and adapting the bandwidth of the terminal in at least one symbol location in a unit time period of a subframe, based on the received bandwidth adaptation command.