Samsung Electronics Co., Ltd.

Blackpin Inc.

Other

Signalis Co., Ltd.

Signals Co., Ltd.

Soenghun Kim

Jaehyuk Jang

Sangbum Kim

Donggun Kim

Seungri Jin

Gert Jan Van Lieshout

Anil Agiwal

Kyeongin Jeong

Himke Van Der Velde

Alexander Sayenko

Sangyeob Jung

Sangkyu Baek

June Hwang

Suyoung Park

Hyunjeong Kang

Youngbum Kim

Mangesh Abhimanyu Ingale

Hoondong Noh

Beomsik Bae

Songyean Cho

Sangsoo Jeong

Jungsoo Jung

Aris Papasakellariou

Taehan Bae

Sungjin Park

Younsun Kim

Jianzhong Zhang

Seunghoon Choi

Boon Loong Ng

Juho Lee

Young-Han Nam

Hyojin Lee

Kyeong-In Jeong

Rajavelsamy Rajadurai

Youngwoo Kwak

Kyeong In Jeong

Sang Bum Kim

Hoyeon Lee

Sung Hwan Won

Ying Li

Wooseong Kim

Jongsoo Choi

Milos Tesanovic

Gert-Jan Van Lieshout

Jinhyun Park

Byounghoon Jung

Sunghwan Won

Sungnam Hong

Namhoon Kim

Myunghwan Kim

Hyoungmin Kim

Eunyong Kim

Hanna Lim

Hwajin Cha

Chulhee Jang

Himke Van DerVelde

Hanil Yu

Yinan Qi

Fasil Abdul Latheef

Mythri Hunukumbure

Himke Van Dervelde

Heejeong Lee

Joohyun Park

Seungbeom Jeong

Youmin Lee

Jeahyuk Jang

The present disclosure relates to a communication technique which combines a 5generation (5G) communication system for supporting a higher data transmission rate beyond a 4G system with an internet of things (IoT) technique and a system thereof. The present disclosure may be applied to intelligent services (e.g., a smart home, a smart building, a smart city, a smart car or a connected car, health care, digital education, retail business, security and safety related services, etc.) based on 5G communication technology and IoT related technology. According to various embodiments of the present disclosure, in a wireless communication system, a terminal may include at least one transceiver and at least one processor coupled with the at least one transceiver, the at least one processor may be configured to receive system information from a cell of a base station, determine whether the cell supports new radio (NR) lite, based on the system information, and if the cell supports the NR lite, perform a random access procedure for the cell, and for the terminal performing the NR lite, at least one of a subcarrier spacing (SCS), a transport block (TB) size, or a bandwidth part (BWP) is reduced to a designated value, compared to other terminal not performing the NR lite.

Device and method for accessing network in wireless communication system

A communication method and system for converging a 5generation (5G) communication system for supporting higher data rates beyond a 4generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system includes 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, a terminal, and a base station for small data transmission in a wireless communication system are provided.

Method and apparatus for enhanced resume protection

A method and apparatus for positioning in a mobile communication system are provided. Method for positioning includes transmitting a UECapabilityInformation, transmitting a provideCapabilities, receiving a RRCRelease and transmitting a positioning SRS in RRC_INACTIVE state. The RRCRelease includes a first information and a second information, the first information is related to a configuration of SRS in RRC_INACTIVE and the second information includes a information related to a BWP and a information indicating a supplementary uplink.

Method and apparatus for transmitting sounding reference signal for positioning in RRC_INACTIVE in mobile 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

A method and apparatus for accessing a NR cell in a mobile communication system are provided. Method for accessing a NR cell includes receiving in a first cell, by a terminal from a base station, a Master Information Block (MIB) and a System Information Block1 (SIB1), determining, by the terminal, if the first cell is barred and performing by the terminal a first operation group if the cell is barred and perform, if the first cell is not barred, a second operation group.

Method and apparatus for base station to control cell access of reduced capability terminal in mobile wireless communication system

A method and apparatus for data transfer in RRC_INACTIVE state is provided. Method for data transfer in RRC_INACTIVE state includes transmitting a UECapabilityInformation, receiving a RRCRelease, receiving a system information, initiating a second resume procedure and performing buffer status reporting based on a first information and a second information if second resume procedure is ongoing. The first information is predefined and the second information is included in the system information.

Method and apparatus for data transfer and buffer status reporting in RRC_INACTIVE state in mobile 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 communication method and system includes 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, a terminal, and a base station for handling non small data transmission (SDT) radio bearer (RB) during SDT in a wireless communication system are provided.

Method for handling non small data transmission radio bearer during small data transmission and apparatus thereof

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 provides a method, performed by a terminal, of requesting positioning system information, the method including receiving System Information Block 1 (SIB1) from a base station; selecting an uplink type to transmit a message for requesting the positioning system information; identifying configuration information for requesting the positioning system information in the SIB1; selecting a transmission method of the message for requesting the positioning system information, based on the selected uplink type and the identified configuration information; and transmitting the message for requesting the positioning system information, based on the selected uplink type and the selected transmission method.

Method and apparatus for requesting system information for position-based system in wireless communication system

A technique for random access in conjunction with LTM operations is provided. The technique comprises performing an early random access procedure in a specific LTM candidate cell based on PDCCH order. Based on the early random access procedure, shorter cell switch delay is achieved. The specific LTM candidate cell is identified based on an implicit identifier determined from an explicit identifier indicated by the base station.

Method and apparatus for channel state information performing random access in mobile 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. According to an embodiment of the present disclosure, a method of a terminal in a wireless communication system includes: receiving system information including a first parameter set for a random access of a type 1 terminal, a second parameter set for a random access of a type 2 terminal, and an indicator indicating whether the type 2 terminal is supported; in case that the terminal is the type 2 terminal, identifying whether a cell on which the system information is transmitted is available to access based on the indicator; and in case that the cell is identified to be available to access, transmitting a random access preamble based on the second parameter set, wherein a bandwidth supported by the type 2 terminal is less than a first threshold value and a data rate supported by the type 2 terminal is less than a second threshold value.

Method and device for supporting random access for low-capability terminal 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

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

Growing community of inventors

Suwon-si, South Korea

Soenghun Kim