Samsung Electronics Co., Ltd.

Sungkyunkwan University

Hyunseok Ryu

Jeongho Yeo

Sungjin Park

Jinyoung Oh

Cheolkyu Shin

Jonghyun Bang

Peng Xue

Hyunkyu Yu

Youngbum Kim

Seunghoon Choi

Seunghoon Park

Namjeong Lee

Hyunil Yoo

Anil Agiwal

Hyukmin Son

Jaewon Kim

Cheol Mo Jeong

Younsun Kim

Yeohun Yun

Taeyoung Kim

Taehan Bae

Taehyoung Kim

Hyunjeong Kang

Yongseok Kim

Seho Myung

Jiyun Seol

Youngbin Chang

Min Jung Jang

Sangkyu Baek

Jungsoo Jung

Chanhong Kim

Jung-Min Moon

Youngrok Jang

Sunheui Ryoo

Seung-Hoon Park

Jong-Hwan Kim

Yinan Qi

Juho Lee

June Hwang

Jinkyu Kang

Min Hee Jang

Jungwon Lee

Dong Hun Lee

Kyeongin Jeong

Pranav Dayal

Sangheon Kim

Kyung-Hoon Lee

Suha Yoon

Heedon Gha

Sangwon Choi

Jeehwan Noh

Chiwoo Lim

Kuyeon Whang

Wonjun Hwang

Jeongho Park

Kyungkyu Kim

Jongbu Lim

Sungnam Hong

Sang-Hyo Kim

Eunyong Kim

Hyung-Jin Choi

Kyunghoon Lee

Daegyun Kim

Min Young Chung

Junyung Yi

Hosung Kim

Han Jun Kim

Eun Chong Baek

Kyungmin Lee

Youngjoong Mok

Heecheol Yang

Kyeongyeon Kim

Sangwook Kwon

Niranjan Nayak Ratnakar

Yangsoo Kwon

Yongok Kim

Kyung-min Lee

Seongmok Lim

Hongsil Jeong

Won-Jun Hwang

SungJin Lee

Shangbin Wu

Jonghyung Kwun

Sungho Chae

Hyungjin Choi

Tiangao Gou

Min-Young Chung

Kyoungmin Park

Won Jin Lee

Jun Suk Kim

Ja-Heon Gu

Won-Jin Lee

Juhyung Song

A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes identifying whether a frequency band in which the UE operates corresponds to an unlicensed spectrum or a licensed spectrum, identifying a period for a transmission of a sidelink synchronization signal block (S-SSB) and a subcarrier spacing associated with the S-SSB, identifying a number of S-SSB transmissions within the period, and in case that the frequency band corresponds to the unlicensed spectrum, transmitting at least two S-SSBs, wherein the number of S-SSB transmissions relates to the subcarrier spacing and depends on whether the frequency band corresponds to the unlicensed spectrum or the licensed spectrum, and wherein a number of S-SSB transmissions in a case of the frequency band corresponding to the unlicensed spectrum is greater than a number of S-SSB transmissions in a case of the frequency band corresponding to the licensed spectrum.

Method and apparatus for sidelink synchronization signal transmission and reception in communication system based on unlicensed band

An operating method of a first user equipment (UE) in a wireless communication system according to an embodiment of the disclosure includes receiving downlink control information (DCI) for sidelink communication from a base station, transmitting sidelink data to a second UE, based on the received DCI, receiving feedback information about the sidelink communication through a physical sidelink feedback channel (PSFCH) from the second UE, determining transmission power for transmitting the feedback information to the base station, and transmitting the feedback information through a physical uplink control channel (PUCCH) to the base station, based on the determined transmission power.

Method and device for controlling transmission power of terminal in wireless communication system

Methods and apparatuses are provided for performing communication in a wireless communication system is provided. A number of hybrid automatic repeat request (HARQ) processes is set as N. The N is a natural number, one value within a maximum value, 16, and set based on a configuration of a base station (BS). Downlink control information (DCI) is received including a 1-bit HARQ-acknowledgment (HARQ-ACK) feedback request for all of N HARQ processes. HARQ-ACK information associated with all of the N HARQ processes is identified, based on the received DCI. A number of bits for the HARQ-ACK information is defined based on xN by the configuration, and the x is a natural number. The HARQ-ACK information is transmitted to the BS.

Method and apparatus for transmitting and receiving data and feedback in wireless communication system

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

A method and apparatus for transmitting signals via a backhaul link between a parent integrated access and backhaul (IAB) node and a child IAB node by an IAB node including an integrated access and backhaul mobile termination (IAB-MT) and an integrated access and backhaul distributed unit (IAB-DU) in a wireless communication system are provided. The method includes receiving, from the parent IAB node, signaling information indicating a timing scheme to be applied for the IAB-MT, and in case that the indicated timing scheme is a first timing scheme in which a transmission timing of the IAB MT coincides with a transmission timing of the IAB DU, transmitting a signal in a backhaul uplink to the parent IAB node by the IAB-MT, and transmitting a signal in a backhaul downlink to the child IAB node by the IAB-DU, wherein the transmission timing at which the IAB-MT transmits the signal and the transmission timing at which the IAB-DU transmits the signal are set identically.

Method and apparatus for performing communication for transmission of IAB node in wireless 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

An operating method of a terminal in a wireless communication system may include receiving, from a base station, configuration information for repetitive transmissions of uplink data, based on the configuration information, determining a redundancy value (RV) value of the uplink data, and transmitting the uplink data based on the RV value, wherein the determining of the RV value may include determining the RV value by comparing a number of symbols configured by the base station with a number of symbols used for the repetitive transmissions of the uplink data.

Method and device for repetitively transmitting uplink channel 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 communication scheme and a system therefor which combines IoT technology and a 5G communication system for supporting a higher data transmission rate than a 4G system. The disclosure may be applied to a smart service (e.g., a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, a security and security related service, or the like) based on the 5G communication technology and the IoT related technology. According to an embodiment of the disclosure, there is provided a method of a sidelink reception user equipment (UE) in a communication system. The method includes: receiving, from a base station, configuration information associated with power control for transmission of a physical sidelink feedback channel (PSFCH); receiving a plurality of physical sidelink shared channels (PSSCH) scheduled based on a plurality of sidelink control information (SCI); identifying at least one first PSFCH based on the number of PSFCHs scheduled in response to reception of the plurality of PSSCHs and the maximum number of PSFCHs that the first UE is capable of transmitting; in case that total transmission power for the at least one first PSFCH is greater than maximum transmission power of the first UE, identifying at least one second PSFCH in order of high priority indicated by the plurality of SCI, wherein a number of the at least one second PSFCH is the maximum number of PSFCHs which enables the sum of transmission power to be less than or equal to the maximum transmission power; identifying first transmission power for each of the at least one second PSFCH based on the number of the at least one second PSFCH; and transmitting the at least one second PSFCH based on the first transmission power.

Method and apparatus for controlling transmission power of UE 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

Growing community of inventors

Yongin-si, South Korea

Hyunseok Ryu