Samsung Electronics Co., Ltd.

Cheolkyu Shin

Jeongho Yeo

Jinyoung Oh

Hyunseok Ryu

Sungjin Park

Jonghyun Bang

Youngwoo Kwak

Hoondong Noh

Seunghoon Choi

Younsun Kim

Taehyoung Kim

Youngbum Kim

Taehan Bae

Donghan Kim

Heedon Gha

Juho Lee

Hyojin Lee

Yongjun Kwak

Hyoungju Ji

Jinhyun Park

Sangsoo Jeong

Taeyoung Kim

Sung Hwan Won

Jinkyu Kang

Hyunil Yoo

Jeehwan Noh

Hyungju Nam

Junyung Yi

Seho Myung

Sangmin Ro

Hosung Kim

Anil Agiwal

Seungri Jin

Suha Yoon

Youngrok Jang

Heecheol Yang

A method performed by a terminal in a wireless communication system is provided. The method includes receiving, from at least one other terminal, at least one physical sidelink shared channel (PSSCH), in response to the receiving of the at least one PSSCH, determining the number of at least one physical sidelink feedback channel (PSFCH) based on the maximum number of the at least one PSFCH for simultaneous transmission, and transmitting, to the at least one other terminal, one or more PSFCHs, based on the number of the at least one PSFCH.

Method and apparatus for controlling UE transmission power in wireless communication system

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. The present invention presents a method for efficiently estimating a physical channel and, according to the present invention, a terminal of a communication system receives a synchronization signal from a base station, receives a broadcast channel from the base station, and can estimate the broadcast channel on the basis of the synchronization signal.

Method and apparatus for transmitting different uplink control information in wireless communication system

Disclosed are a communication method for merging, with 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, healthcare, digital education, retail, security and safety-related services, and the like) on the basis of a 5G communication technology and IoT-related technology. In addition, disclosed in the specification are: an adaptive retransmission method and device for delay reduction; a method and a device for selecting radio resource allocation and data size; and a method and a device for performing setting so as to enable different channels to share DMRS with each other.

Adaptive retransmission method and device for delay reduction in wireless cellular communication system

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 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. The disclosure relates to an effective grant-free based data transmission/reception method.

Method and apparatus for periodic data transmission and reception in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal in a communication system is provided, which includes receiving, from a base station, configuration information for a resource pool; identifying one or more preconfigured sensing schemes for the resource pool based on the configuration information, wherein the one or more preconfigured sensing schemes include full sensing, partial sensing, random resource selection, or a combination of two or more of the full sensing, the partial sensing, and the random resource selection; and selecting a sensing scheme for resource selection from among the one or more preconfigured sensing schemes.

Method and device for sidelink resource allocation in wireless communication system

The present disclosure relates to a 5generation (5G) or pre-5G communication system for supporting a higher data transmission rate after a 4generation (4G) communication system such as Long Term Evolution (LTE). Various embodiments of the present disclosure propose a method for performing beam operation in consideration of a communication environment in a sidelink. According to various embodiments of the present disclosure, by proposing a method for performing beam operation when sidelink communication operates at a high frequency, coverage may be improved. According to various embodiments of the present disclosure, an operating method of a first terminal in a wireless communication system is provided, the method comprising the steps of: establishing a connection with a second terminal; periodically transmitting a sidelink channel state information reference signal (SL CSI-RS) to the second terminal; receiving, from the second terminal, preferred beam information on the basis of the SL CSI-RS; transmitting a signal to the second terminal with a beam formed on the basis of the beam information; and receiving acknowledgement/not-acknowledgement (ACK/NACK) information for the signal from the second terminal.

Apparatus and method for sidelink beam operation in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transfer rate than a 4G communication system such as LTE. The disclosure proposes a method and an apparatus for initial access of a reduced capability terminal. The method comprises receiving, from a base station, information on an initial bandwidth part (BWP) for the redcap terminal; and transmitting and receiving, to or from the base station, data on the initial BWP for the redcap terminal, wherein the information on the initial BWP for the redcap terminal is included in a system information block 1, and wherein the information on the initial BWP for the redcap terminal includes information on a frequency location of the initial BWP for the redcap terminal, subcarrier spacing information and cyclic prefix information of the initial BWP for the redcap terminal.

Method and apparatus of initial access for user equipment with reduced complexity in wireless communication system

The present invention relates to a method and a device for a channel access procedure in a wireless communication system. More specifically, the present invention relates to a method for performing a channel access procedure by a base station in a specific direction (or beam) in an unlicensed band. More specifically, the present invention proposes a method for configuring and generating downlink control information by a base station in order to transmit, to a terminal, a result of a channel access procedure performed in a specific direction, and a method for determining the information by the terminal. A method of a terminal in a communication system according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, downlink control information (DCI) for scheduling of uplink signal transmission; checking beam-related information which is included in the DCI and indicates a beam for the uplink signal transmission; and performing the uplink signal transmission to the base station without a channel access procedure of the terminal on the basis of the beam indicated by the beam-related information.

Method and apparatus for determining channel access procedure in wireless communication system

A method performed by a user equipment (UE) is provided. The method includes receiving resource configuration information for a sidelink; identifying a set of slots based on a subcarrier spacing configured for the UE; based on a bitmap included in the resource configuration information, identifying at least one slot for a sidelink resource, among the identified set of slots except specific slots, wherein the specific slots include a slot configured for a sidelink synchronization signal, a slot in which at least one symbol included in a subset of the slot is not configured as an uplink (UL) and a reserved slot; and transmitting a physical sidelink shared channel (PSSCH) on the identified at least one slot.

Method and apparatus for managing resource pool in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data rate beyond a 4G communication system such as long term evolution (LTE). A method performed by a user equipment (UE) in a wireless communication system according to the disclosure includes receiving reduced-capability UE configuration information from a base station, receiving information for configuring uplink transmission and downlink reception from the base station, determining whether to perform the uplink transmission and the downlink reception, based on the reduced-capability UE configuration information, and performing at least one of the uplink transmission and the downlink reception, based on the determination.

Method and apparatus of communication for reduced-capability user equipment in wireless communication system

Disclosed are: a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smartcars or connected cars, healthcare, digital education, small businesses, security- and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. A method of a terminal in a communication system, according to one embodiment of the disclosure, can comprise the steps of: receiving, from a base station, downlink control information (DCI) associated with sidelink transmission; confirming a preparation time associated with the sidelink transmission; and performing the sidelink transmission on the basis of the DCI if a first timing associated with the sidelink transmission determined on the basis of the DCI is after the preparation time from a second timing associated with the DCI reception.

Processing time determination method and device of terminal in wireless vehicle communication system

A method and an apparatus for transmitting and receiving downlink control information in a wireless communication system are provided. The method of the terminal includes receiving uplink configuration information from a base station, receiving, from the base station, downlink control information (DCI) including information related to activation of grant-free uplink transmission, identifying the information related to the activation of the grant-free uplink transmission, based on the uplink configuration information, and transmitting an uplink signal to the base station, based on a result of the identifying.

Method and apparatus for transmitting and receiving downlink control information in wireless communication system

The disclosure relates to a communication technique that converges a 5G communication system for supporting a higher data rate after a 4G system with IoT technology, and a system thereof. The disclosure can be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail business, security and safety related services, and the like) based on 5G communication technology and IoT related technology. The disclosure discloses a method and device for a terminal to perform satellite communication.

Method and device for determination of scheduling timing in communications system

The disclosure relates to a method and apparatus by which a transmission terminal allocates resources in a vehicle-to-everything (V2X) system. An operating method of a terminal in a wireless communication system may include identifying a first candidate resource set for sidelink communication in a first resource selection window, through sensing based on first sidelink control information (SCI) received in a first sensing window, identifying a second candidate resource set for sidelink communication in a second resource selection window, through sensing based on second SCI received in a second sensing window, determining, based on the second SCI, whether to perform pre-emption or re-evaluation for a first resource, and when it is determined to perform the pre-emption or the re-evaluation for the first resource, triggering re-selection of resources for sidelink communication, and reporting the first resource for which the pre-emption or the re-evaluation has been performed, and the second candidate resource set to a higher layer of the terminal.

Growing community of inventors

Suwon-si, South Korea

Cheolkyu Shin