Samsung Electronics Co., Ltd.

Yonsei University

Songyean Cho

Sangsoo Jeong

Sung Hwan Won

Beomsik Bae

Youngkyo Baek

Hanna Lim

Sunghoon Kim

Sangbum Kim

Duckey Lee

Jonghan Park

Hyejeong Kim

Kyeongin Jeong

Erik Guttman

Soenghun Kim

Jaehyuk Jang

Sangsoo Lee

Sungho Choi

Seonghun Kim

Gert Jan Van Lieshout

Hoyeon Lee

Sungjin Park

Jangwon Lee

Jungje Son

Jangwoo Lee

Chaeman Lim

Youngki Hong

Hyewon Lee

Youngbin Chang

Jinhyoung Kim

Chaiman Lim

Seungmin Yoo

Hyeonmok Ko

Gert-Jan Van Lieshout

Seonghoon Kim

Sunghwan Won

Jinuk Lee

Heejeong Lee

Chaegwon Lim

Hwajin Cha

Joohyun Park

Sojeong Park

Yunsang Park

Wonbo Lee

Taesun Yeom

Sangcheol Lee

Seonik Seong

Jungsam Kim

Hong Hee Kim

Prakash Rao

Vijay Kumar Mishra

Ramanathan Palaniappan

Guttman Erik

Gyouhwan Kim

Yunsun Baek

Daeho Kang

Taesun Yeoum

Yeunwoong Kyung

Heetae Roh

Hong Chul Kim

Mini Agrawal

Siddhant Jaiswal

Changwon Nam

Samrat Karmbir Singh

Sangoo Jeong

The present disclosure relates to a method and a device for controlling congestion in a mobile communication system. A method for controlling congestion of a network node according to the present disclosure comprises the steps of: receiving congestion-related information from at least one base station; transmitting a user equipment information request message for making a request for information on a piece of user equipment corresponding to the base station to a mobility management entity; receiving a user equipment information response message including the information on the user equipment corresponding to the base station from the mobility management entity; and transmitting the information on the piece of user equipment corresponding to the base station to another core network node.

Method and device for controlling congestion in mobile communication system

A method performed by a master base station supporting a dual connectivity with a secondary base station in a wireless communication system is provided. The method includes transmitting, to the secondary base station, address information associated with data forwarding, receiving, from the secondary base station, a first message associated with a data usage of the secondary base station, the first message including information on a data volume for a radio access technology (RAT) of the secondary base station, and transmitting, to a first network entity performing a mobility management, a second message including the information on the data volume for the RAT of the secondary base station, based on a trigger by a handover of a terminal from the master base station that is a source base station to a target master base station, wherein the data volume for the RAT of the secondary base station reported to the first network entity excludes data that is forwarded from the secondary base station to the target master base station based on the address information during the handover.

Method and apparatus for generating connection in wireless communication system

Provided are a discovery method and apparatus. A communication method for a user equipment (UE) may include: receiving first resource information indicating a first resource region and second resource information indicating a second resource region from an evolved Node B (eNB); receiving a first message from a second UE via the first resource region; checking whether the contents of the first message match the UE; and sending, when the contents of the first message match the UE, a second message associated with the first message to the second UE via the second resource region. A user equipment (UE) may include: a communication unit configured to receive first resource information indicating a first resource region and second resource information indicating a second resource region from an evolved Node B (eNB), and receive a first message from a second UE via the first resource region; and a control unit configured to check whether the contents of the first message match the UE.

Discovery method and apparatus

Various embodiments of the present invention provide a method and electronic device for supporting an edge computing service (e.g., a multi-access edge computing (MEC) service). An electronic device according to various embodiments comprises a network interface, and a processor, wherein the processor is configured to: acquire, using the network interface, information relating to applications which can be provided within a base station or to at least one external server connectable through the base station by the at least one external server; select an external server including an application corresponding to a specified condition, on the basis of the information relating to the applications; and perform data transmission with the selected external server. Various embodiments are possible.

Method and electronic device for providing multi-access edge computing service using multi-access edge computing discovery

Disclosed is a method of transmitting/receiving a signal in a Mobile Management Entity (MME) of a mobile communication system, the method comprising: transmitting a subscriber information request message including information of a UE, to a Home Subscriber Server (HSS); receiving, from the HSS, a response message which corresponds to the request message and includes an indicator indicating whether it is possible to perform traffic offloading using a Wireless Local Area Network (WLAN) with regard to an Access Point Name (APN) connection or a Packet Data Network (PDN) connection of the UE; determining whether it is possible to perform the traffic offloading using the WLAN, on the basis of at least one of information included in the received response message and information configured in the MME; and; and transmitting, to the UE, a message including information on whether it is possible to perform the traffic offloading using the WLAN. A communication method according to an embodiment of the present specification can generate one or more PDN connections with regard to one APN when the UE accesses a PDN through the WLAN. Further, the communication method according to the present invention can effectively be subjected to a traffic offloading control by the eNB even when the UE is roaming.

Method and apparatus for supporting multiple connections in wireless lan system

An electronic device provides low latency communication for an extended reality service. Based on a first value of quality of service (QoS) requested by an extended reality (XR) application stored in the electronic device, a first communication connection corresponding to the first value for receiving data regarding an XR service from an XR server is established. Based on a change of a value of the QoS from the first value to a second value, the first communication connection is maintained, and a second communication connection corresponding to the second value is established. Data regarding the XR service from the XR server is received via the second communication connection. The second communication connection can be a radio access technology (RAT) different from the first communication connection and/or a bearer different from the first communication connection.

Method for providing low latency communication for extended reality service and electronic device therefor

A method for selecting an access network in a terminal of a mobile communication system according to one embodiment of the present specification comprises the steps of: if traffic is generated in the terminal, selecting an access network according to the characteristics of the generated traffic and network selection policy information; and transmitting and receiving the generated traffic via the selected access network. According to the embodiment, the present invention adjusts priorities of accesses given to users and applications in a wireless communication system including heterogenerous networks, thereby reducing processes for reselecting an access network of a user terminal, and reducing the cases of unnecessarily accessing a network having a low priority or requiring high costs for a long time. Therefore, the present invention can enhance user convenience and improve communication efficiency.

Method and apparatus for effective wireless LAN selection

A method and apparatus is provided that improves the quality of voice calls in a mobile communication network. The method of performing transmission/reception of signals in an evolved Node B (eNB) of a mobile communication system includes: receiving a first message including service request information from user equipment (UE); transmitting a second message including the service request information to an Mobility Management Entity (MME); receiving a third message including context information for the UE from the MME; and determining an inactivity timer value for the UE based on the context information. The method and apparatus can maintain, when a voice call is created, connection with calling UE from when the called UE answers the call until the call is set up, thereby preventing part of a caller's voice data from being lost.

Method and apparatus of improving quality of calls in mobile communication system

Provided are a communication method and system enabling convergence of 5G communication and IoT technology to achieve higher data rates for beyond 4G communication systems. In addition, provided is a method for transmitting a power headroom report (PHR) by a user equipment (UE) in a mobile communication system. The method includes: receiving a first PHR configuration information for a first base station (first ENB); receiving a second PHR configuration information for a second ENB; generating, when the UE has dual connectivity to the first ENB and the second ENB, a dual connectivity PHR containing PHR information for the first ENB and second ENB based on a dual connectivity PHR format; and sending the dual connectivity PHR. There is also provided a user equipment supporting the above method. There is further provided a base station and operation method therefor that enable the user equipment to have dual connectivity.

Method and apparatus for generating and transmitting power headroom report in mobile communication system

The disclosure relates to a communication technique for converging, with an IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The 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 communications technologies and IoT-related technologies. A method for operating relay UE in a mobile communication system includes transmitting, to a network node connected to the relay UE, a remote UE report message including remote UE information about a remote UE accessing a network via the relay UE, wherein the remote UE information includes IP address information allocated to the remote UE; starting a timer upon transmitting the remote UE report message to the network node; receiving, from the network node, a response message in reply to the remote UE report message; and stopping the timer upon receipt of the response message from the network node. the IP address information includes an IP address and port information of the remote UE in case that IPv4 is used as an address type.

Method for supporting lawful interception of remote ProSe UE in network

The present disclosure relates to a communication technique and system for combining 5G communication systems with IoT technologies to achieve a higher data rate beyond 4G systems. The present disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, healthcare, digital education, retail businesses, and security and safety related services) on the basis of 5G communication technologies and IoT related technologies. As an embodiment of the present specification, there is provided a method of signal transmission and reception for a user equipment (UE) in a mobile communication system. The method may include: receiving first information for providing a service from a service providing server; receiving second information for managing a session associated with the service from the service providing server; and sending a signal to the service providing server on the basis of the first information and the second information. In one embodiment of the present specification, when a sponsored service and a WebRTC service are provided, service provision information and session management information are associated together. Thereby, it is possible to improve user convenience and service effectiveness.

Method and apparatus for providing session-based web service

A method for managing congestion in a base station in a mobile communication system according to one embodiment of the present invention comprises the steps of: requesting user subscription information to a mobility management entity (MME); receiving the user subscription information from the MME; and performing a congestion control in a communication between terminals on the basis of the received user subscription information. According to the embodiment, action may be taken in consideration of the user information and a current congestion state when controlling the congestion in a wireless communication system, and thus side effects resulting from the congestion control may be reduced. Further, the present invention provides a method and device for not charging for dropped packets when performing a packet drop, and thus the congestion control may be performed more easily. Also, the present invention has an advantage of performing the congestion control, according to the type of packets to which congestion control is applied or the type of application or service which has generated packets, at the time of controlling the congestion, thereby minimizing user's inconvenience due to the congestion control.

Method and apparatus for adjusting service level in congestion

Disclosed are: a communication method for incorporating an IoT technique with a 5G communication system for supporting a higher data transmission rate than that of a 4G system or a subsequent system; and a system therefor. The present invention can be applied to intelligent services (for example, services related to smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security, safety, and the like) on the basis of a 5G communication technique and IoT-related techniques. A communication method and device of the base station and network equipment in the mobile communication system, according to the present invention, can quickly provide, to the base station to which the terminal moves, a D2D service authorized indication of the terminal for a PLMN provided from the base station of a region to which the terminal moves, even though the terminal moves to the region at which the different PLMNs are provided, and can allow the terminal to endlessly use the services, since the terminal is allocated with the resources for the D2D services during the movement thereof.

Method and device for service continuity of terminal

Growing community of inventors

Seoul, South Korea

Songyean Cho