Samsung Electronics Co., Ltd.

Leland Stanford Junior University

Korea Advanced Institute of Science and Technology

Jinyoung Oh

Jeongho Yeo

Sungjin Park

Seunghoon Choi

Taehyoung Kim

Hyunseok Ryu

Cheolkyu Shin

Jonghyun Bang

Youngbum Kim

Younsun Kim

Taehan Bae

Youngwoo Kwak

Hoondong Noh

Heedon Gha

Donghan Kim

Hyoungju Ji

Juho Lee

Yongjun Kwak

Hyojin Lee

Jinkyu Kang

Youngrok Jang

Jinhyun Park

Sangmin Ro

Sung Hwan Won

Anil Agiwal

Sangsoo Jeong

Seho Myung

Zhenan Bao

Suha Yoon

Kyeongin Jeong

Sangyoon Lee

Jong Won Chung

Seonghun Kim

Yongok Kim

Seongmok Lim

Kyunggyu Lee

Simon Rondeau-Gagne

Bob C Schroeder

Yu-Cheng Chiu

Franziska Lissel

Seung-Hoon Choi

Euichang Jung

Min Hee Jang

Youngjun Yun

Joseph Jeon

Heecheol Yang

Yangsoo Kwon

Seungjoo Maeng

Younjung Kim

Seunghee Han

Chanho An

Jeewoong Kang

Dae-Kwon Jung

Tai-Suk Kim

Eun-Ho Choi

Youngnam Han

Xuzhou Yan

Hung-Chin Wu

Myounghee Jung

Joo-Eung Kim

Jin-Yup Hwang

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

A method, performed by a base station (BS), of indicating a channel occupancy time of an unlicensed band is provided and includes transmitting physical downlink control channel (PDCCH) configuration information to a user equipment (UE), performing a channel access procedure to occupy a channel of the unlicensed band, and transmitting slot format indicator information about at least one slot within a channel occupancy time occupied by performing the channel access procedure, based on the PDCCH configuration information, wherein the slot format indicator information is determined based on at least one of a maximum channel occupancy time of the BS or the channel occupancy time occupied by performing the channel access procedure.

Method and apparatus for indicating channel occupancy time 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

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 present disclosure relates to a communication technique for combining an IoT technology with a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security and safety-related services, and the like) on the basis of 5G communication technologies and IoT-related technologies. The present disclosure relates to a method of a terminal in a communication system, the method comprising the steps of: receiving carrier aggregation configuration information from a base station; receiving offset information for a frame boundary between a first cell and a second cell from the base station; receiving, from the base station, control information including time domain resource allocation information indicating an interval between a slot in which data scheduled by the control information transmitted or received and a slot in which the control information is received into the first cell; identifying an index of the slot in which the data is transmitted or received, on the basis of the offset information and the time domain resource allocation information; and transmitting the data to or receiving the data from the base station on the second cell in the slot of the identified index.

Method and device for transmitting or receiving control signal and data signal in wireless communication system

A method and device for repetitive transmission/reception of downlink control information in a wireless communication system is disclosed, the method performed by a user equipment (UE) in the wireless communication system comprises transmitting, to a base station, first information related to physical downlink control channel (PDCCH) repetition transmission, the first information including second information associated with a number of blind decoding times of PDCCH candidates, receiving, from the base station, configuration information on a control resource set and a search space configured for PDCCH transmission, and receiving, from the base station, control information on a first PDCCH and a second PDCCH based on the first information and the configuration information, the second PDCCH being a repetition of the first PDCCH.

Method and device for repetitive transmission/reception of downlink control information 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 present disclosure relates to a communication technique for combining IoT technology with a 5G communication system for supporting a higher data transmission rate than 4G communication systems, and a system therefor. The present disclosure may be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security- and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. The present disclosure relates to a method and device for transmitting and receiving control information.

Method and device for transmitting and receiving control information in wireless cellular communication system

A communication technique for fusing 5G communication, which supports a higher data transmission rate than a 4G system, with an IoT technology is provided, and may be applied to an intelligent service based on the 5G communication technology and the IoT related technology. Accordingly, a method performed by a UE in a communication system includes receiving, from a base station, information indicating a channel access type via DCI, wherein the information indicates the channel access type as one of a first type to sense a channel to be idle before a UL transmission using a random time duration, a second type to sense the channel to be idle before the UL transmission using a deterministic time duration, or a third type not to sense the channel before the UL transmission; and transmitting, to the base station, the UL transmission according to the channel access type.

Method and apparatus for uplink channel accessing 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 present disclosure relates to a communication technique of fusing a 5G communication system for supporting higher data transmission rate beyond a 4G system with an IoT technology and a system thereof. The system may be used for an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The present disclosure discloses a method and apparatus for inserting an index into a code block as a unit in which a channel code is executed and transmitting the same.

Method and apparatus for cell initial access and paging in wireless cellular communication system

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Seoul, South Korea

Jinyoung Oh