Samsung Electronics Co., Ltd.

Sk Innovation Co., Ltd.

Snu Rdb Foundation

Sangbum Kim

Soenghun Kim

Jaehyuk Jang

Seungri Jin

Donggun Kim

Kyeongin Jeong

Gert Jan Van Lieshout

Alexander Sayenko

Himke Van Der Velde

Sangyeob Jung

Anil Agiwal

Songyean Cho

Sangsoo Jeong

Wooseong Kim

Hanna Lim

Jongsoo Choi

Beomsik Bae

Hyunjeong Kang

Sunghwan Won

Sung Hwan Won

Taehan Bae

Gert-Jan Van Lieshout

Boon Loong Ng

Juho Lee

Sangkyu Baek

Thomas David Novlan

Suyoung Park

Himke Van DerVelde

Younsun Kim

Seunghoon Choi

Hyojin Lee

Hoyeon Lee

Jungsoo Jung

June Hwang

Hyewon Lee

Seonghun Kim

Hyejin Lee

Himke Van Dervelde

Jangbok Lee

Heejeong Lee

Kisung Park

Heechan Park

Kicheol Nam

Suyeon Jang

Uicheol Shin

Jeahyuk Jang

The present disclosure relates to a communication technique for converging a 5G communication system, which is provided to support a higher data transmission rate beyond a 4G system with an IoT technology, and a system therefor. The disclosure may be applied to intelligent services (e.g., 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 disclosure relates to a method for recovering a beam into a correct beam according to a position of a terminal using a non-contention-based and contention-based beam failure recovery method in order to recover a beam failure in which communication is disconnected due to movement of a terminal or the like in a wireless communication system performing beam-based communication services.

Method and apparatus for performing contention-based and non-contention-based beam failure recovery in a wireless communication system

The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transfer rate beyond the 4G system, and a system therefor. 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 businesses, security- and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology.

Method and apparatus for supporting plurality of sims in next-generation mobile 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. According to various embodiments of the present invention, provided are a method and a device for performing a paging operation in a plurality of SIMs in a next generation mobile communication system.

Method and device for performing paging operation on basis of plurality of subscriber identity modules (SIMs) 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 present invention provides a method and a device for efficiently transmitting user data through a random access response message in a mobile communication system.

Method and device for transmitting user data through random access response message 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

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

A method of performing a conditional handover by a UE may include: receiving an RRC message associated with the conditional handover; performing a first conditional handover to a first candidate cell among a plurality of candidate cells based on the RRC message; and in a case where the first conditional handover is successful, performing a random access to the first candidate cell, and in a case where the first conditional handover fails, when a second candidate cell that meets a condition exists, performing a second conditional handover to the second candidate cell.

Method and device for performing handover in wireless communication system

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) are provided. 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. A method and apparatus of activating/deactivating cells with scalable transmission time intervals (TTIs) is disclosed.

Method and apparatus for transmitting and receiving scheduling requests

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 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

The disclosure relates to a method and apparatus for collecting and reporting cell measurement information in a mobile communication system. According to an embodiment, the method, performed by a user equipment (UE), of reporting cell measurement information in a mobile communication system includes: transmitting UE capability information about whether to support a minimization of drive test (MDT) operation to a first base station of a first mobile communication system; receiving MDT configuration information from at least one base station of the first base station or a second base station of a second mobile communication system which is different from the first mobile communication system; collecting MDT measurement information based on the MDT configuration information; and transmitting the MDT measurement information to the at least one base station of the first base station or the second base station, wherein the first base station and the second base station support dual connectivity.

Method and apparatus for collecting and reporting cell measurement information in mobile communication system

A method, performed by a user equipment (UE), of providing In-Device Coexistence (IDC) information is provided. The method includes transmitting, to a base station (BS), UE capability information including IDC information reporting capability information; receiving, from the BS, configuration information about IDC information reporting; detecting an occurrence of an IDC problem; and transmitting, to the BS, UE Assistance information including information of a frequency affected by the IDC problem, based on the configuration information, wherein the information of the frequency affected by the IDC problem is indicated in an IDC Assistance field.

Method and apparatus for reporting information of frequency affected by indevice coexistence interference in wireless 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 therefor. 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 discloses a method and device for setting and applying a plurality of Discontinuous receptions (DRXs).

Method and device for applying plurality of DRXs in carrier aggregation technology in mobile communication system

The present disclosure relates to a communication technique for converging IoT technology with 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 an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, health care, digital education, retail business, a security and security-related service, etc.) on the basis of 5G communication technology and IoT-related technology. The present disclosure discloses a method and a device for controlling the RRC state mismatch issue of a terminal, and also discloses a method and a device for providing access control configuration information of a terminal.

Method and device for controlling RRC state mismatch issue in next-generation mobile communication system

The present disclosure relates to a communication technique for combining, with an IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and to a system therefor. The present disclosure may be applied to intelligent services (e.g., a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, security and safety-related service, etc.), based on a 5G communication technology and an IoT-related technology. A method for a user equipment in a first communication system according to the present invention comprises steps in which a user equipment in an inactive state: transmits a paging area update request message; checks whether or not a timer associated with a paging area update has expired; and transitions into an idle state if a response message for the paging area update request message has not been received until the timer has expired.

Method for reporting measurement result by user equipment transceiving data by first radio access technology and second radio access technology, and device therefor

Growing community of inventors

Suwon-si, South Korea

Sangbum Kim