Samsung Electronics Co., Ltd.

Sangkyu Baek

Hyunjeong Kang

Soenghun Kim

Anil Agiwal

Donggun Kim

Jaehyuk Jang

June Hwang

Youngjoong Mok

Youngbin Chang

Seungri Jin

Sangwook Kwon

Seunghoon Park

Kyungkyu Kim

Hyunseok Ryu

Jungsoo Jung

Beomsik Bae

Alexander Sayenko

Gert Jan Van Lieshout

Sangbum Kim

Jungmin Moon

Sungnam Hong

Chiwoo Lim

Namhoon Kim

Myunghwan Kim

Jonghyung Kwun

Hyoungmin Kim

Himke Van Der Velde

Sangyeob Jung

Fasil Abdul Latheef

Vinay Kumar Shrivastava

SungJin Lee

Rayeon Ahn

Sungjin Park

Hoondong Noh

Jinho Lee

Byounghoon Jung

Milos Tesanovic

Jinhyoung Kim

Hyunjoo Lee

Daegyun Kim

Hakyung Jung

Giwon Lee

Sooyoung Jang

Jaehyun Hwang

The present disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-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 disclosure is to configure configuration parameter information of a sidelink radio bearer in a wireless communication system. An operation of a terminal may include: determining whether there is a need of an SLRB configuration; obtaining the SLRB configuration; performing sidelink data transmission or reception by using the SLRB configuration; determining whether there is a collision of the SLRB configuration; and performing a procedure of adjusting the collision of the SLRB configuration.

Apparatus and method for communication using sidelink 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 method includes identifying whether a medium access control (MAC) entity of the terminal is configured with a logical channel (LCH)-based prioritization, identifying whether a first uplink grant is associated with a random access, determining the first uplink grant to be a prioritized uplink grant, and transmitting an uplink signal based on the prioritized uplink grant.

Method and apparatus for intra-UE prioritization considering UL grant received in random access response

Provided are a method and device for providing power preference information in a wireless communication system. A terminal according to an embodiment of the disclosure may identify the necessity for transition from a radio resource control (RRC) connected mode and transmit, to a base station, a connection release request message including state information preferred by the terminal. In this case, the state information preferred by the terminal may include information indicating whether a state preferred by the terminal is an idle mode, an inactive mode, a connected mode, or a random mode, and the random mode may indicate that the terminal prefers to be released from the connection mode but there is no preferred mode among the idle mode and the inactive mode.

Method and device for providing power preference information in wireless communication system

According to an aspect of the disclosure, a method of performing a conditional handover by a vehicle-to-everything (V2X) user equipment (UE) may include: transmitting a cell measurement report to a serving cell; receiving conditional handover configuration information from the serving cell; determining whether to perform a handover, based on the conditional handover configuration information; and when it is determined to perform the handover, performing random access to a target cell.

UE and base station in mobile communication system and operating method therefor

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method performed by a terminal for processing multicast and broadcast service (MBS) data in a wireless communication system is provided. The method includes receiving, from a base station, first downlink control information (DCI) including first resource allocation information based on a first radio network temporary identity (RNTI), receiving, from the base station, second DCI including second resource allocation information based on a second RNTI and in case that a hybrid automatic repeat request (HARQ) process identifier of the first DCI and a HARQ process identifier of the second DCI are identical, determining whether a new data indicator (NDI) of the second DCI is toggled, based on the first RNTI and the second RNTI, wherein, in case that the first RNTI corresponds to a group-radio network temporary identify (G-RNTI) and the second RNTI corresponds to a cell-radio network temporary identify (C-RNTI), whether the NDI of the second DCI is toggled is determined based on an NDI value of the first DCI and an NDI value of the second DCI.

Method and apparatus for resource allocation of MBS

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, smart cars 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. The present invention relates to a method and an apparatus for transmitting a confirmation message for a plurality of configured grants in a wireless communication system.

Method and apparatus for transmitting multiple entry configured grant confirmation message in wireless communication system

The present disclosure relates to a communication technique which combines, 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, smart cars or connected cars, healthcare, digital education, retail businesses, security- and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. The present invention provides a method and device for a base station to notify a terminal of a time point for applying a configuration for MBS communication.

Method and device for time point for starting MBS configuration

The present disclosure provides a method, performed by a user equipment (UE), of determining a propagation delay value, the method including requesting a propagation delay from a base station, transmitting a time measurement signal on a time measurement resource allocated by the base station, receiving, from the base station, a response including an extended timing advance (TA) command, and based on the received response, applying time information and starting a timer. The present disclosure provides a method, performed by a UE, of performing communication in an unlicensed spectrum, the method including determining whether to transmit data via a configured grant (CG), comparing priorities of the CG and an uplink resource, and changing the priority of the CG, based on a listen before talk (LBT) failure.

Method and device for supporting URLLC service

The present disclosure relates to a communication technique for merging 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, healthcare, digital education, retail, 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 performed by a terminal in a wireless communication system and an apparatus for performing same, the method comprising the steps of obtaining an uplink transmission resource, determining whether a medium access control (MCA) protocol data unit (PDU), which is to be transmitted as the uplink transmission resource, is stored in a hybrid automatic repeat request (HARQ) buffer, and identifying the priority of the uplink transmission resource on the basis of a result of the determination.

Method and apparatus for determining priority value of radio resource in wireless communication system

Provided is a first terminal for performing unicast communication between terminals in a wireless communication system. The first terminal may be configured to: transmit a packet to a second terminal through a first sidelink carrier; determine a failure of the first sidelink carrier based on at least one of a number of times of retransmission of the transmitted packet, a number of times of reception of hybrid automatic repeat request (HARQ) negative acknowledgement (NACK) or discontinuous transmission (DTX) for the transmitted packet, or a number of times of continuous out of synch (OOS) for the first sidelink carrier; and determine whether to perform a radio link failure (RLF) handling procedure or whether to perform a carrier failure handling procedure, based on a result of the determining of the failure and the first sidelink carrier, wherein the carrier failure handling procedure may be performed based on at least one of a connection state between the first terminal and a base station or a need for multi-carrier transmission.

Apparatus and method for controlling sidelink auxiliary carrier in wireless communication system

An operating method of a first terminal in a wireless communication system, according to an embodiment of the present disclosure, may include transmitting sidelink data to a second terminal through a first radio bearer; reporting a count value to a base station when a certain condition is satisfied; receiving, from the base station, a sidelink radio resource control (RRC) reconfiguration message, based on the count value; generating a second radio bearer based on the RRC reconfiguration message; and transmitting the sidelink data to the second terminal through the second radio bearer.

Device and method for transmitting and receiving signal in wireless communication system

An operating method of a first terminal in a wireless communication system according to an embodiment of the disclosure may include: obtaining capability information of a second terminal; transmitting, to the second terminal, duplication transmission information for performing duplication transmission of a sidelink, based on the capability information; and performing duplication transmission of the sidelink based on the duplication transmission information, wherein the duplication transmission information includes sidelink radio bearer information, sidelink destination identifier information, and sidelink carrier information.

Method and apparatus for supporting packet duplicate transmission by using sidelink in wireless communication system

The disclosure relates to a pre-5th generation (5G) or 5G communication system for supporting higher data rates beyond a 4th generation (4G) communication system such as long term evolution (LTE). A method performed by a network entity for handling a multicast and broadcast service (MBS) in a 5G communication network is provided that includes receiving a request for receiving at least one multicast service from a user equipment (UE), which includes at least one of a session join request or a service request, configuring the at least one multicast service based on the request, and sending the at least one multicast service to the UE over a radio resource control (RRC) reconfiguration message, which includes at least one of a point-to-multipoint (PTM) bearer configuration for a point-to-point (PTM) mode, a PTP bearer configuration for a PTP mode, or a split bearer configuration for a split bearer mode.

Methods and systems for energy efficient and synchronized reception of MBS in 5G communication network

The present disclosure relates to a method and apparatus for applying logical channel restriction in a wireless communication system. According to an embodiment of the present disclosure, an operation method of a terminal in a wireless communication system includes: receiving configuration information associated with restrictions for logical channels; and identifying, based on the configuration information, an uplink resource allocated with a configured scheduling-radio network temporary identifier (CS-RNTI), wherein when a value of a new data indicator (NDI) of the CS-RNTI is 0, the uplink resource is considered as a configured grant.

Method and device for applying logical channel limitation in wireless communication system

The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as Long-Term Evolution (LTE). The present disclosure may be applied to intelligent services, such as 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. In addition, an operation method of a terminal in a wireless communication system may comprise the steps of: determining service information required by a V2X application and determining a V2X transmission mode; determining QoS information of a service required by the V2X application; obtaining sidelink radio bearer configuration information corresponding to the QoS information; and, using the obtained sidelink radio bearer configuration information, transmitting and receiving V2X packets by means of a device-to-device communication method.

Method and apparatus for supporting HARQ feedback transmission in device-to-device communication system

Growing community of inventors

Yongin-si, South Korea

Sangkyu Baek