公开(公告)号：US11411700B2

公开(公告)日：2022-08-09

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：US11218241B2

公开(公告)日：2022-01-04

申请号：US16871639

申请日：2020-05-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheolkyu Shin ,  Youngwoo Kwak ,  Hoondong Noh ,  Taehan Bae ,  Jeongho Yeo ,  Jinyoung Oh

IPC: H04J13/12 ,  H04W76/27 ,  H04L1/18 ,  H04W72/04 ,  H04J13/00 ,  H04L5/00 ,  H04B7/0413

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 of a terminal in a wireless communication system is provided. The method includes identifying demodulation reference signal (DMRS) type information and DMRS symbol length information, identifying port number information for receiving a DMRS and receiving the DMRS based on the DMRS type information, the DMRS symbol length information and port number information, wherein the port number information indicates a port number for the terminal in DMRS information including parameters for code division multiplexing (CDM) group information, offset information, frequency-domain orthogonal cover code (OCC) information, and time-domain OCC information corresponding respectively to multiple port numbers, and wherein the DMRS information is defined per DMRS type.

公开(公告)号：US11184075B2

公开(公告)日：2021-11-23

申请号：US16957967

申请日：2018-12-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoondong Noh ,  Youngwoo Kwak ,  Cheolkyu Shin

IPC: H04K1/10 ,  H04L27/28 ,  H04B7/06 ,  H04B7/0456 ,  H04L5/00

Abstract: The present disclosure relates to a communication technique for combining a 5G communication system with IoT technology to support a higher data transmission rate than a 4G system, and a system thereof. The present disclosure can be applied to 5G communication and IoT related technology-based intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security and safety related services, etc.). In addition, the present disclosure relates to a method and an apparatus for setting a reference signal in a 5G or NR system. Disclosed is a method of a terminal in a wireless communication system, the method comprising the steps of: transmitting capability information (UE capability) of the terminal to a base station; and receiving, from the base station, nonlinear precoding related information identified on the basis of the capability information of the terminal, wherein the nonlinear precoding related information includes information on whether or not nonlinear precoding is applied, and information for controlling reference signal settings, and wherein the information on whether or not the nonlinear precoding is applied indicates whether or not a modulo operation is applied.

公开(公告)号：US11165479B2

公开(公告)日：2021-11-02

申请号：US16700284

申请日：2019-12-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoondong Noh ,  Youngwoo Kwak

IPC: H04L1/02 ,  H04B7/06 ,  H04B7/0417 ,  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) are provided. 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. According to embodiments of the present disclosure, The system includes a base station having a large number of transmission antennas of a two dimensional (2D) antenna array structure can prevent excessive feedback resource allocation for transmitting channel state information reference signals (CSI-RSs) and increase of channel estimation complexity of a terminal, and the terminal can effectively measure channels of a large number of transmission antennas and can report to the base station feedback information configured through the measurement.

公开(公告)号：US20210218517A1

公开(公告)日：2021-07-15

申请号：US17217980

申请日：2021-03-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngwoo Kwak ,  Younsun Kim ,  Jinyoung Oh ,  Hyojin Lee ,  Hyoungju Ji ,  Seunghoon Choi

IPC: H04L5/00 ,  H04B7/06 ,  H04B7/0456 ,  H04W72/04

Abstract: A method for transmitting and receiving channel state information at a terminal of a mobile communication system according to an embodiment of the preset specification comprises the steps of: determining at least one of first precoding information and first rank information corresponding to a first dimension; receiving, from a base station, a reference signal corresponding to a second dimension; determining at least one of second precoding information and second rank information corresponding to the second dimension, on the basis of the reference signal; and transmitting, to the base station, channel state information which has been determined on the basis of at least one of the first precoding information, the first rank information, the second precoding information and the second rank information. According to an embodiment of the present specification, it is possible to correctly transmit and receive pre-coding information and channel state information at a terminal and a base station including a plurality of antennas, and to reduce an overhead occurring at the time of transmission and reception.

公开(公告)号：US10735074B2

公开(公告)日：2020-08-04

申请号：US16298522

申请日：2019-03-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngwoo Kwak ,  Jinyoung Oh ,  Hoondong Noh ,  Taehan Bae ,  Jeongho Yeo

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/0456

Abstract: A communication method and a 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) are provided. 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 an apparatus for transmitting cell status information (CSI) in a mobile communication system are provided. The method includes receiving configuration information for a plurality of channel status information reference signals (CSI-RSs), generating feedback information by measuring at least one of the CSI-RSs based on priority information, and transmitting the feedback information. The priority information is associated with a non-precoded CSI-RS, a cell-specific beamformed CSI-RS and a user equipment (UE)-specific beamformed CSI-RS.

公开(公告)号：US10694496B2

公开(公告)日：2020-06-23

申请号：US14936098

申请日：2015-11-09

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 ,  H04W72/04 ,  H04W72/12 ,  H04L29/12

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.

公开(公告)号：US10361763B2

公开(公告)日：2019-07-23

申请号：US15753792

申请日：2016-08-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Youngwoo Kwak ,  Hoondong Noh ,  Donghan Kim ,  Jinyoung Oh ,  Younsun Kim ,  Sangmin Ro ,  Hyoungju Ji ,  Taehan Bae ,  Cheolkyu Shin ,  Youngbum Kim

IPC: H04B7/06 ,  H04B7/0456 ,  H04L5/00

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure relates to a method and device for reporting channel state information. The method for a terminal according to the present disclosure comprises the steps of: receiving feedback configuration information from a base station; measuring a channel state using a reference signal received from the base station; and reporting channel state information using two subsamplings at a reporting time which is determined on the basis of the feedback configuration information.

公开(公告)号：US10230441B2

公开(公告)日：2019-03-12

申请号：US15428703

申请日：2017-02-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngwoo Kwak ,  Jinyoung Oh ,  Hoondong Noh ,  Taehan Bae ,  Jeongho Yeo

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/0413

Abstract: A communication method and a 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) are provided. 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 an apparatus for transmitting cell status information (CSI) in a mobile communication system are provided. The method includes receiving configuration information for a plurality of channel status information reference signals (CSI-RSs), generating feedback information by measuring at least one of the CSI-RSs based on priority information, and transmitting the feedback information. The priority information is associated with a non-precoded CSI-RS, a cell-specific beamformed CSI-RS and a user equipment (UE)-specific beamformed CSI-RS.

公开(公告)号：US20180316534A1

公开(公告)日：2018-11-01

申请号：US15962635

申请日：2018-04-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheolkyu Shin ,  Taehyoung Kim ,  Jinyoung Oh ,  Youngwoo Kwak ,  Seunghoon Choi

IPC: H04L27/26 ,  H04L5/00

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 by a terminal in a wireless communication system is provided. The method includes identifying a slot type of a terminal from a first slot type and a second slot type, determining a position of a demodulation reference signal (DMRS) based on the slot type, and receiving the DMRS based on the position from a base station.