公开(公告)号：US20230254872A1

公开(公告)日：2023-08-10

申请号：US18122967

申请日：2023-03-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngwoo KWAK ,  Jeongho YEO ,  Sungjin PARK ,  Juho LEE ,  Jinyoung OH ,  Hoondong NOH ,  Taehan BAE

IPC: H04W72/1273 ,  H04W72/20 ,  H04W72/0446 ,  H04W72/0453

CPC classification number: H04W72/1273 ,  H04W72/20 ,  H04W72/0446 ,  H04W72/0453

Abstract: The present disclosure relates to a method performed by user equipment (UE) in a communication system, the method including receiving, from a base station, control information on a frequency region configured by system information, wherein the control information defines a transmission time interval for a physical downlink shared channel (PDSCH) among a plurality of transmission time intervals, identifying a transport block size associated with a number of symbols, and receiving, from the base station, the PDSCH associated with the transport block size in the number of symbols from a start symbol based on the resource allocation information, wherein the resource allocation information indicates the start symbol of the transmission time interval, and the transmission time interval is defined based on the number of symbols from the start symbol.

公开(公告)号：US20230254082A1

公开(公告)日：2023-08-10

申请号：US18134828

申请日：2023-04-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngwoo KWAK ,  Hoondong NOH ,  Cheolkyu SHIN

IPC: H04L5/00 ,  H04W72/23

CPC classification number: H04L5/0048 ,  H04L5/0057 ,  H04W72/23

Abstract: Methods and apparatuses are provided in a wireless communication system. A plurality of configurations associated with channel state information (CSI) is received from a base station. Each configuration includes information on an aperiodic CSI-reference signal (CSI-RS) resource, and the aperiodic CSI-RS resource is associated with quasi co-location (QCL) information. Downlink control information (DCI) including information indicating a configuration among the plurality of configurations is received from the base station. A measurement is performed based on the aperiodic CSI-RS resource associated with the configuration indicated by the DCI. A CSI report is transmitted to the base station based on the measurement.

公开(公告)号：US20210314927A1

公开(公告)日：2021-10-07

申请号：US17268746

申请日：2019-07-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoondong NOH ,  Youngwoo KWAK ,  Taehyoung KIM ,  Jinhyun PARK ,  Cheolkyu SHIN ,  Heecheol YANG

IPC: H04W72/04 ,  H04B7/06 ,  H04W72/10

Abstract: According to an embodiment of the disclosure, there is provided a method, performed by a base station, of configuring beam information of a physical downlink control channel (PDCCH) in a wireless communication system, the method including: configuring at least one or more transmission configuration indication (TCI) states connected to a control resource set (CORESET) through radio resource control (RRC); indicating a TCI state including the beam information of the PDCCH among the at least one or more TCI states through a medium access control control element (MAC CE); and transmitting the PDCCH, based on the TCI state including the beam information of the PDCCH.

公开(公告)号：US20210282041A1

公开(公告)日：2021-09-09

申请号：US16334596

申请日：2017-09-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngwoo KWAK ,  Hoondong NOH ,  Cheolkyu SHIN

IPC: H04W24/10 ,  H04B17/318

Abstract: Disclosed are a communication technique for merging, with an IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and a system therefor. The disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety related services, and the like) on the basis of 5G communication technology and IoT related technology. A new radio access technology (NR) system, which is novel 5G communication, is designed such that various services can be freely multiplexed in time and frequency resources, thereby enabling channel state information based on an aperiodic CSI-RS or a synchronization signal to be transmitted and received. According to the present invention, a base station in a wireless communication system transmits channel state information reference signal (CSI-RS) configuration information to a terminal, transmits channel state information feedback configuration information to the terminal, transmits CSI-RS trigger information to the terminal, aperiodically transmits a CSI-RS to the terminal according to the CSI-RS trigger information, and can receive, from the terminal, channel state information generated on the basis of the transmitted CSI-RS, wherein the CSI-RS is configured according to the CSI-RS configuration information, and at least a part of the configured CSI-RS can be transmitted by the CSI-RS trigger information.

公开(公告)号：US20210266944A1

公开(公告)日：2021-08-26

申请号：US17260937

申请日：2019-07-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoondong NOH ,  Youngwoo KWAK ,  Younsun KIM ,  Jinyoung OH

IPC: H04W72/12 ,  H04W72/04 ,  H04L5/00

Abstract: The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting higher data transmission rates after 4G systems, and a system for same. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety-related services, and the like) based on 5G communication technology and IoT-related technology. The present invention discloses a method and device for efficiently transmitting control information for multiple pieces of data transmitted to a terminal in order to efficiently support cooperative communication. Specifically, a method for a terminal in a wireless communication system to receive downlink data includes steps for: detecting first downlink control information (DCI) scrambled by a cell-radio network temporary identifier (C-RNTI); detecting second DCI scrambled by an RNTI for cooperative communication, when the first DCI has been detected; determining, when the second DCI has been detected, whether the second DCI is valid; and receiving, according to the first DCI and the second DCI, two or more pieces of downlink data when the second DCI has been determined to be valid.

公开(公告)号：US20210266868A1

公开(公告)日：2021-08-26

申请号：US17055955

申请日：2019-05-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Cheolkyu SHIN ,  Youngwoo KWAK ,  Hoondong NOH ,  Jeongho YEO ,  Hyojin LEE ,  Seungri JIN

IPC: H04W72/02 ,  H04W72/04 ,  H04L5/00 ,  H04L1/00

Abstract: According to an embodiment of the disclosure, there is provided a method for performing sidelink communication with a reception user equipment (UE) by a transmission UE in a wireless communication system, the method including: receiving information associated with a resource pool for sidelink communication from a base station through a system information block (SIB); selecting a resource for performing sidelink communication with the reception UE from the resource pool; selecting a demodulation reference signal (DMRS) configuration for performing sidelink communication with the reception UE from among a plurality of DMRS configurations for sidelink communication; indicating the DMRS configuration to the reception UE; and performing sidelink communication with the reception UE by using the resource and the DMRS configuration.

公开(公告)号：US20210045101A1

公开(公告)日：2021-02-11

申请号：US17081305

申请日：2020-10-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheolkyu SHIN ,  Jeongho YEO ,  Jinyoung OH ,  Youngwoo KWAK ,  Donghan KIM ,  Younsun KIM ,  Hoondong NOH ,  Taehyoung KIM

IPC: H04W72/04 ,  H04L1/18 ,  H04L5/00 ,  H04L5/10 ,  H04W76/27

Abstract: A method and apparatus are provided for setting a plurality of demodulation reference signal (DMRS) structures and determining uplink and downlink transmission timing for reducing a delay. A method performed by a terminal includes receiving, from a base station, information associated with a first symbol position for a demodulation reference signal (DMRS) in a transmission time interval; identifying the first symbol position for the DMRS, the first symbol position for the DMRS being identified relative to a start of the transmission time interval based on the information; and receiving, from the base station, the DMRS on the identified first symbol position of the DMRS.

公开(公告)号：US20200287683A1

公开(公告)日：2020-09-10

申请号：US16881742

申请日：2020-05-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngwoo KWAK ,  Hoondong NOH ,  Cheolkyu SHIN

IPC: H04L5/00 ,  H04B7/06 ,  H04W72/04

Abstract: The disclosure relates to a communication technique for convergence of a 5G communication system for supporting a higher data transmission rate beyond a 4G system with an IoT technology, and a system therefor. The disclosure may be applied to an intelligent service (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security- and safety-related service, etc.) on the basis of a 5G communication technology and an IoT-related technology. A method is provided for receiving a CSI-RS. The method includes acquiring, by a UE, a configuration for a resource set including a resource set identifier, information for at least one CSI-RS resource, and repetition information, wherein a number of the at least one CSI-RS resource is up to a maximum number of CSI-RS resources per resource set, and the repetition information is set as either on or off; acquiring, by the UE, a CSI-RS resource configuration per CSI-RS resource including a CSI-RS resource identifier, information for a number of CSI-RS ports, and information for an OFDM symbol; acquiring, by the UE, from the base station, a CSI report configuration including information for reporting parameters and information for a reporting method, wherein the information for the reporting parameters indicates at least one of a CRI, a RI, a PMI, or a CQI, and the information for the reporting method corresponds to periodic, semi-persistent, or aperiodic; and transmitting, by the UE, to the base station, CSI based on the configuration for the resource set and the CSI report configuration.

公开(公告)号：US20200275488A1

公开(公告)日：2020-08-27

申请号：US16871570

申请日：2020-05-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinyoung OH ,  Sungjin PARK ,  Jeongho YEO ,  Youngwoo KWAK ,  Youngbum KIM ,  Taehyoung KIM ,  Hoondong NOH ,  Seunghoon CHOI

IPC: H04W74/08 ,  H04W72/12 ,  H04W48/16 ,  H04W48/08 ,  H04L5/00

Abstract: A communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology. The method of a terminal in a wireless communication system are provided. The method includes receiving information, which is related to a first transmission time and a second transmission time of an uplink signal of a terminal, from a base station, when the uplink signal of the terminal is configured in an unlicensed band, performing a channel access in the unlicensed band, and when the unlicensed band is not in an idle state based on a channel access result before the first transmission time, performing a channel access until the second transmission time.

公开(公告)号：US20200213974A1

公开(公告)日：2020-07-02

申请号：US16725615

申请日：2019-12-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung Hwan WON ,  Seonghun KIM ,  Donghan KIM ,  Jinyoung OH ,  Seunghoon CHOI ,  Youngwoo KWAK

IPC: H04W72/00 ,  H04W4/06 ,  H04W12/08 ,  H04W12/00 ,  H04W52/24 ,  H04W52/36 ,  H04W52/38

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method and apparatus of a wireless network are disclosed. The method includes transmitting a first request message to request allocation of a multimedia broadcast multicast service (MBMS) group identifier from a service capability server/application server (SCS/AS) to a service capability exposure function (SCEF), the first request message including an external group identifier and an SCS/AS identifier, and receiving a first response message including the MBMS group identifier from the SCEF to the SCS/AS.