Samsung Electronics Co., Ltd.

Sangyeob Jung

Soenghun Kim

Anil Agiwal

Hyunjeong Kang

Sangbum Kim

Seungri Jin

Himke Van Der Velde

Donggun Kim

Jaehyuk Jang

Alexander Sayenko

June Hwang

Suyoung Park

Milos Tesanovic

Hoyeon Lee

Sunghoon Kim

Jungsoo Jung

Byounghoon Jung

Sungjin Park

Sangkyu Baek

Younsun Kim

Juho Lee

Hyojin Lee

Junghyun Kim

Seonghun Kim

Taeseop Lee

Byungju Lee

A method and user equipment (UE) for performing a cell reselection procedure is provided. The method includes receiving priority information about frequencies, performing cell measurement, based on the priority information, and performing a cell reselection procedure, based on a result of the cell measurement.

Method and apparatus for performing cell reselection in wireless communication system

Provided are a method and apparatus for reporting a mobility state in a mobile communication system. A method of reporting a mobility state of a terminal in a mobile communication system includes triggering a radio resource control (RRC) connection re-establishment procedure in an RRC connected mode, determining a mobility state in the RRC connected mode, selecting a suitable cell by performing cell selection, transmitting an RRC reestablishment request message (RRC Reestablishment Request) to the selected suitable cell, and when receiving an RRC connection setup message (RRC setup) in response to the RRC connection reestablishment request from the suitable cell, including the mobility state in an RRC connection reestablishment complete message and transmitting the RRC connection reestablishment complete message to the suitable cell.

Method and device for reporting mobility state in mobile communication system

The present disclosure relates to a communication technique that merges IoT technology with a 5G communication system for supporting higher data transmission rates than 4G systems, and a system for same. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. The present invention provides a method and device for implementing a handover operation and composing wireless connection failure information accompanying same.

Method and device for supporting network optimization in next-generation mobile communication system

Disclosed is a method of managing a system information parameter, broadcast by an LTE cell of a network on which a User Equipment, UE, is camping, wherein the system information parameter indicates New Radio, NR, frequency bands available for use in an EN-DC configuration, which in a case of network sharing, may be different for each of at least one sharing PLMN, and whereby the system information parameter includes an entry for each of the at least one PLMN that contains the actual NR frequency bands if: sharing is employed for the concerned serving cell; and the NR bands for which the network supports EN-DC is not the same for all of the multiple sharing PLMNs, and wherein the contents of the system information parameter is not signalled if condition a) or b) is not true.

Telecommunication systems

The present disclosure relates to a communication technique for converging, with an IoT technology, a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. 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, and security and safety related services, on the basis of 5G communication technologies and IoT-related technologies. The present disclosure relates to a method for a terminal in a communication system and a device for performing same, the method comprising the steps of: receiving, from a higher layer device, information indicating packet data convergence protocol (PDCP) data recovery; identifying first data associated with transmission for the PDCP data recovery, from data which have been stored in a signaling radio bearer (SRB) before the information is received; and transmitting the first data to a lower layer.

Communication method and device in mobile communication system

The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). The present disclosure provides method and apparatus for SDT related procedures in next generation wireless communication system.

Method and apparatus for handling small data transmission in wireless communication system

A communication technique for convergence of internet of thing (IoT) technology and a 5th generation (5G) communication system for supporting a higher data transfer rate beyond a 4th generation (4G) system, and a system therefor are provided. The disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) on the basis of 5G communication technology and IoT-related technology. The disclosure provides a paging monitoring method according to a state of a terminal and a method for reporting a connection setup failure in consideration of an inactive state of the terminal.

Method and apparatus for transmitting or receiving signal in mobile communication system

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method and an apparatus for logging listen-before-talk (LBT) failure information in a mobile communication system are provided. The operation method of a terminal in a wireless communication system includes attempting to transmit a preamble in a random access procedure via an unlicensed spectrum, in case that one or more failures of the attempting to transmit the preamble according to LBT failure is detected, generating information on random access report including a number of the one or more failures of the attempting to transmit the preamble, accessing to a base station based on the preamble after the attempting to transmit the preamble is successful, and transmitting, to the base station, the information on random access report.

Method and apparatus for logging LBT failure information in mobile communication system

The disclosure relates to a 5G or pre-5G communication system for supporting a data transmission rate higher than a 4G communication system such as LTE. A method performed by a UE in a communication system includes: receiving, from a base station associated with NR, a command message for inter-RAT handover from the NR to a target RAT, wherein the command message includes information on a type of the target RAT; performing a procedure associated with the inter-RAT handover based on the command message; in case that a failure condition for the inter-RAT handover is satisfied, identifying that the inter-RAT handover fails; and in case that the type of the target RAT is set to EUTRA and the UE supports a radio link failure report for inter-RAT MRO EUTRA, storing handover failure information in a variable for the radio link failure report based on an identification that the inter-RAT handover fails.

Method and apparatus for performing handover in a next-generation communication system

The present disclosure relates to a communication technology for fusing, with an IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. 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, and security and safety related services, on the basis of 5G communication technologies and IoT-related technologies. The present disclosure may provide a method and a device for collecting and reporting mobility history information by a terminal in a next-generation mobile communication system.

Method and device for collecting and reporting mobility history information in next-generation mobile communication system

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 proposes a method and a device for reporting information related to handover in a next generation mobile communication system. A method performed by a terminal in a wireless communication system according to an embodiment of the present disclosure may comprise the steps of acquiring configuration information related to dual active protocol stack (DAPS) handover, after execution of the DAPS handover is triggered on the basis of the configuration information, identifying failure in a radio link between the terminal and a source cell, and transmitting information on the failure in the radio link.

Method and device for reporting information related to handover in next generation mobile communication system

A method, performed by a user equipment (UE), in a wireless communication system includes: obtaining sidelink logical channel configuration information corresponding to a logical channel and including a sidelink logical channel priority (sl-priority) parameter; selecting a destination associated with one of unicast, groupcast, and broadcast, based on the sidelink logical channel configuration information and sl-priority configured for each of at least one logical channel including sidelink data available for transmission; allocating sidelink resources to at least one logical channel corresponding to the destination based on the sl-priority configured for each of the at least one logical channel corresponding to the destination; multiplexing sidelink data included in the at least one logical channel corresponding to the destination to a medium access control (MAC) protocol data unit (PDU); and transmitting the MAC PDU to another UE using the sidelink resources.

Method and apparatus for configuring transmission priority for direct communication in wireless communication system

The 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 disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security and safety-related services, etc.) based on 5G communication technologies and IoT-related technologies. The disclosure provides a method and an apparatus for logging and reporting information relating to a radio link failure. The method includes receiving, from a first base station that operates based on a first RAT, a UE information request including information indicating whether the terminal reports an RLF; and transmitting, to the first base station, a UE information response including an RLF report, in response to the information indicating a reporting of the terminal for the RLF.

Method and apparatus for logging and reporting radio link failure information in next-generation mobile communication system

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method and an apparatus for reporting user equipment (UE) assistance information related to overheating and power-saving are provided.

Method and apparatus for reporting terminal assistance information associated with overheating and power saving mode operation in next generation wireless communication system

Growing community of inventors

Suwon-si, South Korea

Sangyeob Jung