Samsung Electronics Co., Ltd.

Sungkyunkwan University

Daegyun Kim

Beomsik Bae

Jungshin Park

Jicheol Lee

Kisuk Kweon

Sangjun Moon

Jinsung Lee

Joohyung Lee

Hyungho Lee

Seunghoon Park

Chiwoo Lim

Kyungkyu Kim

Hyunseok Ryu

Anil Agiwal

Jin-Kyu Han

Zhouyue Pi

Hyunjeong Kang

Sangkyu Baek

Jungsoo Jung

June Hwang

Youngbin Chang

Sunheui Ryoo

Sang-Hyo Kim

Kyunghoon Lee

Youngjoong Mok

Sangwook Kwon

Min Young Chung

Hyungjin Choi

Donghee Kim

Sueng Jae Bae

Jin Whan Kang

Eddy Kwon

Bum-Gon Choi

Kyunghoon Won

Wonil Roh

Kyunghoon Cheun

Chung-ki Cho

The present invention relates to a communication system and method for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system. The present invention provides a system and method by which a user equipment (UE) transmits, to an access and mobility management function (AMF), a first message including information related to a network slice in a first authentication, and receives, from the AMF, a third message including a result of a second authentication, wherein whether to require the second authentication is determined by the AMF based on the information and subscription information, and wherein the second authentication between the UE and a server is triggered based on the determination.

Method for requesting authentication between terminal and 3rd party server in wireless communication system, terminal therefor, and network slice instance management device

The present invention defines signaling required for separating a network entity (NE) responsible for mobility management (MM) and session management (SM), which are main function of a control plane (CP) in a next generation (NextGen) mobile communication system, and presents a basic procedure for providing mobile communication services including the signaling. Therefore, complexity of core equipment responsible for the CP is reduced in order to implement a network slice function and provide various levels of mobility, and an effect of minimizing a signaling load therebetween can be obtain. In addition, it is possible to efficiently manage the resources of a base station (radio access network (RAN)) and a user plane network entity (UP NF).

Method and apparatus for operating wireless communication system having separated mobility management and session management

Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. According to an embodiment of the present invention, a method of a terminal in a wireless mobile communication system comprises the steps of: receiving data network information including data network access permission region information and data network identification information; checking whether the terminal enters a data network access permission region, on the basis of the data network information; and performing a data network access procedure on the basis of the checking result.

Method and system for regional data network configuration in wireless communication network

The present disclosure relates to a communication technique 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 businesses, and security and safety related services, on the basis of 5G communication technologies and IoT-related technologies. The present invention, according to one embodiment, may provide a method for requesting a service by a terminal, the method comprising the steps of: receiving, from a first network core, information for instructing a second network priority traffic; on the basis of the information for instructing the second network priority traffic, searching for a cell of a second network; and, if a cell accessible to the second network exists, transmitting a service request to the second network.

Method and device for providing service in wireless communication system

The present disclosure relates to a communication scheme for merging IoT technology with a 5G communication system supporting a data transmission rate higher than that of a 4G system, and to a system for the scheme. The present disclosure can be applied to intelligent services (for instance, smart home, smart building, smart city, smart car or connected car, heath care, digital education, retail business, security- and safety-related service and so forth) on the basis of 5G communication technology and IoT-related technology. The present invention provides a device and method for supporting paging signal processing using multi-connection in a wireless communication system.

Method for communication in system in which 4G and 5G coexist, and device therefor

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). A communication method and an apparatus for efficiently supporting a multi-radio access network (multi-RAN) within a wireless communication system are provided. The communication method of a second base station in a network using first wireless communication and second wireless communication includes receiving first information from a first base station via a first wireless communication link, receiving second information in a communication link which differs from the first wireless communication link, identifying control information to be transmitted via a second wireless communication link based on the first information, and identifying data to be transmitted via the second wireless communication link based on the second information, and transmitting the control information and the data via the second wireless communication.

Method and apparatus for supporting multi-radio access technology

A two-hop link transmission method and apparatus are provided. The method includes establishing a two-hop link and scheduling transmission on the two-hop link in a Device-To-Device (D2D) communication network. The two-hop link transmission method includes identifying neighbor terminals available for communication with the transmission terminal, selecting one of the neighboring terminals as a recipient terminal, determining a type of a link to be established with the selected neighboring terminal between a single-hop link and two-hop link types, selecting, when the two-hop link type is determined, a relay terminal among the neighboring terminals, establishing the two-hop link with the recipient terminal via the relay terminal, allocating a Multi-Hop Connection Identifier (MCID) for the two-hop link, and transmitting data to the recipient terminal through the two hop link.

Method and apparatus for two-hop link communication in wireless communication network

A terminal synchronization method and apparatus for use in a wireless communication system are provided. A synchronization method includes configuring, at the terminal, a synchronization signal reference time depending on whether a synchronization signal is received in an initial observation period as long as at least two frames, monitoring to receive the synchronization signal in an alternation period of a transmission period and a reception period, the alternation period following the initial observation period, updating the reference time depending on whether the synchronization signal is received in the reception period, transmitting the synchronization signal at the updated reference time in the transmission period, and updating the reference time depending on whether the synchronization signal is received in a dedicated observation period following the alternation period. The synchronization apparatus and method are advantageous in that synchronization is obtained without assistance of a base station, an Access Point (AP), etc.

Terminal synchronization method and apparatus for use in wireless communication network

A network-assisted discovery method and apparatus for facilitating Device to Device (D2D) communication in the wireless communication system is provided. The network-assisted discovery method of a terminal in a wireless communication system, the method comprising, broadcasting a discovery signal information in a discovery signal transmission duration of the terminal, receiving assisted discovery information from a base station, determining whether the assisted discovery information comprises the discovery information of the terminal and determining whether to transmit a discovery transmission request message to the base station based on the result of the determination. The network-assisted discovery method and apparatus of the present disclosure is capable of mitigating the problems caused by resource collision and reducing power consumption of the device in the D2D wireless communication system.

Network-assisted discovery method and apparatus for use in wireless communication system

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Seongnam-si, South Korea

Daegyun Kim