Samsung Electronics Co., Ltd.

Skhynix Inc.

Donggun Kim

Soenghun Kim

Jaehyuk Jang

Seungri Jin

Sangbum Kim

Alexander Sayenko

Gert Jan Van Lieshout

Anil Agiwal

Sangkyu Baek

Yong Ju Kim

Sangyeob Jung

Himke Van Der Velde

Sang Gu Jo

Do-Sun Hong

Do Sun Hong

Jungsoo Jung

Jung Hyun Kwon

Youngwoo Kwak

Sungjin Park

Suyoung Park

Beomsik Bae

Milos Tesanovic

Jae Sun Lee

Sungeun Lee

Jingzhe Xu

Younsun Kim

Taehyoung Kim

Hoondong Noh

Hoyeon Lee

Soeng-Hun Kim

Byounghoon Jung

Gert-Jan Van Lieshout

Sunil Keshava

Kihyun Choi

Vijay Motagi

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 merging IoT technology with a 5G communication system for supporting a data transmission rate higher 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 a 5G communication technology and IoT-related technology. Disclosed in the present invention is a method for structuring or setting a multicast bearer or unicast bearer supporting an MBS service so as to support the MBS service in a next-generation mobile communication system, and a method for processing data of a PHY layer device, MAC layer device, RLC layer device or PDCP layer device receiving and processing MBS data.

Mobility support method and device for multicast service in next generation mobile communication system

The present disclosure relates to: a communication technique for convergence of IoT technology and a 5th generation (5G) or a pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as Long Term Evolution (LTE); 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. According to various embodiments of the present disclosure, a method and a device for preventing potential errors that may occur when performing a DAPS handover can be provided.

Device and method for preventing potential errors that may occur when performing DAPS handover in next-generation mobile communication system

Provided is a method of performing communication by using a plurality of Radio Link Control (RLC) entities in a wireless communication system, the method including: receiving a packet duplication configuration for a radio bearer from a base station (BS) via a Radio Resource Control (RRC) message; configuring a plurality of RLC entities including one primary RLC entity and one or more secondary RLC entities which correspond to a preset Packet Data Convergence Protocol (PDCP) entity, based on the packet duplication configuration; and receiving a Medium Access Control Control Element (MAC CE) for controlling activation or deactivation of the one or more secondary RLC entities from among the plurality of configured RLC entities.

Method and apparatus for controlling activation of RLC layers in wireless communication system

A method performed by a terminal in a wireless communication system includes receiving, from a base station, a RRC reconfiguration message, identifying whether a beam failure is detected or whether a time alignment timer is running, based on the RRC reconfiguration message, and in case that the beam failure is not detected or the time alignment timer is running, identifying a SCG activation, without a random access procedure.

Method and apparatus for activating cell group without random access procedure in next generation 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 wireless communication system is provided. The method includes identifying whether a packet data convergence protocol (PDCP) entity is suspended in case that the PDCP entity re-establishment is requested from an upper layer, identifying whether an indicator is configured for indicating that an uplink data compression (UDC) is continuously used and a PDCP service data unit (SDU) is compressed, for an acknowledged mode (AM) data radio bearer (DRB) whose the PDCP entity is not suspended, and submitting the PDCP SDU, in case that the indicator is configured for indicating that the UDC is continuously used and the PDCP SDU is compressed.

Method and device for header compression or decompression procedure supporting cell group activation or deactivation in next-generation mobile communication system

A frequency measurement method performed by a user equipment (UE) in a wireless communication system is provided. The frequency measurement method includes: receiving a radio resource control (RRC) release message or system information including first frequency measurement configuration information for frequency measurement in an RRC inactive mode; performing frequency measurement in the RRC inactive mode based on the first frequency measurement configuration information; receiving first RRC resume message including an indicator requesting a measurement report in the RRC inactive mode; and transmitting an RRC resume complete message including the measurement report based on the indicator.

Method and apparatus for measuring frequency in wireless communication system

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 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. In addition, a method of a terminal in a radio communication system according to the disclosure includes: performing, by a packet data convergence protocol (PDCP) entity of the terminal, deciphering and integrity verification of first data; if the integrity verification of the first data fails, indicating a failure of the integrity verification to an upper layer; and discarding the first data and considering that the first data has not been received.

Method and apparatus for supporting rapid cell activation in connection resumption procedure in next generation mobile communication system

The present disclosure relates to a communication technique and a system therefor, the communication technique for merging, with an IoT technology, a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate since a 4th generation (4G) communication system such as long term evolution (LTE). The present disclosure can 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, a retail business, a security and safety-related service, and the like) on the basis of a 5G communication technology and an IoT-related technology. According to various embodiments of the present invention, a method and apparatus for handling an integrity verification failure in a system for supporting high-reliability, low-latency service can be provided.

Method and apparatus for handling integrity verification failure in system supporting high-reliability, low-latency service

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 thereof. 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. The present disclosure provides a method and apparatus for configuring an out-of-order delivery function of a protocol layer device.

Method and apparatus for performing feedback-based ethernet header compression or decompression 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 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. Disclosed is a method for processing a segmented RRC message and operating a timer related thereto.

Method and apparatus for managing timer related to segmentation transmission of RRC message in next-generation mobile communication system

A method, performed by a user equipment (UE), of performing measurement includes receiving measurement configuration information for measurement in an idle mode or an inactive mode from a base station, starting a timer based on the measurement configuration information, and performing measurement in the idle mode or the inactive mode while the timer running, wherein, when the timer expires in the idle mode or the inactive mode, the measurement configuration information is deleted.

The present disclosure provides a method, performed by a terminal, of controlling activation of a secondary cell (SCell), the method including: receiving a radio resource control (RRC) message including information about a first timer for deactivation of a SCell and information about a second timer for deactivation of a bandwidth part (BWP) of the SCell; receiving a media access control (MAC) control element (CE) for changing a state of the SCell; and controlling the first timer and the second timer based on the MAC CE and the RRC message.

Growing community of inventors

Seoul, South Korea

Donggun Kim