Samsung Electronics Co., Ltd.

Lalith Kumar

Kailash Kumar Jha

Kundan Tiwari

Alok Kumar Jangid

Rajavelsamy Rajadurai

Danish Ehsan Hashmi

Anikethan Ramakrishna Vijaya Kumar

Mahmoud Watfa

Narendranath Durga Tangudu

Varini Gupta

Nitesh Pushpak Shah

Govind Irappa Uttur

Samiran Bhowmik

Prasad Basavaraj Dandra

Shweta Madhurapantula

Vijay Ganesh Surisetty

Arijit Sen

Hoyeon Lee

Basavaraj Jayawant Pattan

Ricky Kumar Kaura

Pavan Kumar Devarayanigari

Aman Agarwal

Mangesh Abhimanyu Ingale

Tushar Vrind

Lalit Kumar Pathak

Koustav Roy

Ramkumar Thirumalli Sureshsah

Vikrant Bajaj

Krishnamurthy Doddaballapur Ramu

Shweta M

Jayashankara Dalagowdanahalli Malleshappa

Ashok Kumar Nayak

Umasankar Ceendhralu Baskar

Bharat Vinayak Bhat

Seshadri Elluru

Suraj Kumar Singh

Sung-Hoon Kim

Sunghoon Kim

Nishant Gupta

Young-Kyo Baek

Rohan Raj

Debabrata Das

Siddhi Chandrashekhar Mayekar

Avinash Bhat

Jagadeesh Gandikota

Rajdeep Kaur

Ramesh Chandra Vuppala

Venkata Anil Kumar Karamsetti

Nikhil Patni

Erik Arthur Guttman

Siva Selvaganesan

Arjun Nanjundappa

Ayush Raj

Ajay Kumawat

Fasil Abdul Latheef

Diwakar Sharma

Suresh Chitturi

Erik Guttman

Sapan Pramodkumar Shah

David Gutierrez Estevez

Mudit Goel

Rohini Rajendran

Nivedya Parambath Sasi

Nishant

Pratibha Kattemane Satyaganapati

Swapnil Santosh Nivendkar

Mohanraja Balasubramaniam

Seshu Babu Songa

Chetan Ramesh Ganig

Shrinithi Andal Tensingh

Krishna Sumath Vemuri

Krishna Sumanth Vemuri

Naga Rajesh Adda

Himke Van Der Velde

Mohanraja B

A method disclosed herein includes registering, by a UE, with a same PLMN over a 3GPP access and a non-3GPP access. The method includes receiving, by the UE, a notification message from a CN of the PLMN over the non-3GPP access, in response to at least one communication service pending to be delivered to the UE over the 3GPP access. The method includes sending, by the UE, a notification response message to the CN over the non-3GPP access, in response to the received notification message. In order to avoid delay in acquiring downlink communication services, the method includes triggering, by the UE, the registration procedure with the CN to receive communication services over the 3GPP access in response to the UE entering the coverage of the 3GPP access.

Method and apparatus for acquiring communication services

Embodiments herein achieve a method for handling registration and session management in a wireless communication system. The method includes registering, by a User Equipment (UE), with a first core network entity over a 3GPP access network and a non-3GPP access network. Further, the method includes triggering, by the UE, a registration procedure to a second core network over the 3GPP access network when a periodic timer of the UE expires in an OOS state. Further, the method includes receiving, by the UE, a non-access stratum (NAS) message, over the 3GPP access network, with an indication to register for the non-3GPP access network with the second core network entity. Further, the method includes reinitiating the registration procedure to register again for the non-3GPP access with the second core network entity through the non-3GPP access network.

Method and system for handling paging in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide a method for handling registration of a UE () for disaster roaming service in a network () by a second PLMN (). In an embodiment, the method includes sending a registration reject message to the UE () in response to determining that the UE is not allowed to receive the disaster roaming service, with a first PLMN as PLMN with the disaster condition, from the second PLMN. In another embodiment, the method includes determining whether the second PLMN () provides the disaster roaming service or a normal service to the UE () in response to determining that the UE is allowed to receive the service from the second PLMN (), and sending a registration accept message to the UE ().

Method and apparatus for handling registration of user equipment for disaster roaming service in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose methods and systems for providing services efficiently in a wireless communication network, following a disaster condition. According to various embodiments, a method performed by a user equipment (UE) connected to at least one public land mobile network (PLMN), the method comprising: identifying that a disaster condition is applied to the at least one PMLN; determining one or more PLMN among at least one available PLMN, and one or more registration type supported by the determined one or more PLMN, wherein the one or more registration type include information on a normal registration or information on a disaster roaming registration; and triggering a registration procedure based on the determined one or more registration type.

Methods and systems for manual mode search following a disaster condition

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present subject matter refers to a method for a user equipment (UE) including a multi-universal subscriber identity module (MUSIM) in a wireless communication system is provided. The method includes registering to a public land mobile network (PLMN) on both of a 3rd generation partnership project (3GPP) access network and a non-3GPP access network, receiving, from an access and mobility management function (AMF), a message while the 3GPP access network is in an idle state, in case that the message is received over the 3GPP access network, identifying the message is related to a voice service and in case that the message is received over the non-3GPP access network, identifying that the message is related to a non-voice service.

Method and system to determine service in incoming message

The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data transmission rate. A method performed by an access and mobility management function (AMF) in a public land mobile network (PLMN) providing disaster roaming service is provided. The method includes determining whether a disaster condition has ended in a previous PLMN associated with a user equipment (UE) which is registered for the disaster roaming service, in response to determining that the disaster condition has ended and the UE has an emergency protocol data unit (PDU) session, generating a message indicating that the UE is registered for emergency service, and transmitting, to the UE, the message.

Improving disaster roaming service

A method and an apparatus with multi-universal subscriber identity module (MUSIM) capability in wireless communication system. A service request procedure is initiated in case that a user equipment (UE) does not have allowed network slice selection assistance information (NSSAI) and an associated trigger is related to a MUSIM feature.

In and relating to multi-USIM in mobile telecommunication environment

The disclosure relates to a 5generation (5G) or 6generation (6G) communication system for supporting a higher data transmission rate. A method for handling a Non access stratum (NAS) procedure (e.g., service request (SR) procedure or the like) by a user equipment (UE) in a wireless network is provided. The method includes triggering the SR procedure and determining a transmission failure of the SR or a control plane service request message in response to triggering the SR procedure. Further, the method includes determining whether the SR procedure is triggered for a reason comprising one of requesting the wireless network to release a NAS signaling connection, and rejecting a paging request from the wireless network, or requesting the wireless network to release the NAS signaling connection. Further, the method includes performing one of aborting the SR procedure triggered due to the reason in response to determining the transmission failure, or re-triggering the SR procedure triggered not due to the reason in response to determining the transmission failure.

Method and MUSIM UE for handling retry of NAS procedure in network

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). The present disclosure relates to a method and system for steering of roaming (SoR) information based on required services for roaming subscribers. The method includes registering the UE in a visited public land mobile network (VPLMN) by an access and mobility management function (AMF) device. The method comprises requesting a unified data management (UDM) server of a home public land mobile network (HPLMN) to provide subscription data. The method further comprises requesting by the UDM server SoR information from an application function (AF) device, wherein the request includes information related to single-network slice selection assistance information (S-NSSAI) either requested or subscribed by the UE. The method comprises the steps of determining the SoR information to be provided to the UDM server and transmitting the SoR information to the UE. The subscribers can use the SoR information for latching onto a VPLMN that provides the service they are interested in.

Method and system for improving PLMN selection based on required services/ slices for roaming subscribers

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 transmitting, to a network entity associated with a first network system, a registration request message for a disaster roaming service, the registration request message including capability information of the terminal, transmitting, to the network entity, a service request message for an emergency service using a second network system, and after the emergency service ends, performing a cell reselection to return to the first network system providing the disaster roaming service.

Method and apparatus for improvements in and relating to management of a disaster condition in a 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. Embodiments herein provide a method of enabling authentication and key management application (AKMA) services in roaming mode comprising generating a key associated with the AKMA services after a primary authentication of the UE with a wireless network; determining whether to share the at least one key associated with the AKMA services with a visited AKMA anchor function (vAAnF); and sharing the at least one key associated with the AKMA services with the vAAnF.

Method and system of enabling AKMA service in roaming scenario

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose a wireless network and methods to maintain a MA PDU session at a NSACF entity. The method includes determining, by a SMF entity, that a PDU session is the MA PDU session based on an indication from a UE. Further, the method includes indicating, by the SMF entity, that the PDU session is the MA PDU session to the NSACF entity in response to determination. The wireless network may maintain the count accurately even though the PDU session is a MA PDU session.

Wireless network and methods to maintain MA PDU session at NSACF

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. Embodiments herein disclose a method for downlink uplink collision handling in a wireless communication network.

Method and apparatus for downlink uplink collision handling in wireless communication network

A method for performing communication in a wireless communication system in includes establishing, by a network entity, a context of a user equipment (UE) in a network, receiving a message for registration request from the UE in a registered state, identifying that the UE is genuine by executing an authentication procedure with the UE, and in case that the UE is genuine, performing a deletion of the established context of the UE and a process of the registration request.

Method and apparatus for performing communication in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The embodiment herein is to disclose a method for selecting PLMN with disaster condition (PLMN-D) to receive disaster roaming service in an area. The method includes detecting, by a UE, a disaster condition in the area. Further, the method includes detecting, by the UE, a forbidden PLMN (FPLMN) broadcasting a plurality of PLMN-Ds in the area. Further, the method includes selecting, by the UE, the at least one PLMN-D from the plurality of PLMN-D based on a predefined sequence of priority order. Further, the method includes camping, by the UE, the FPLMN corresponding to the at least one selected PLMN-D. Further, the method includes triggering, by the UE, a registration procedure on the camped FPLMN by indicating the at least one selected PLMN-D in the registration request message.

Method and UE for selecting PLMN with disaster condition to receive disaster roaming service

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Bengaluru, India

Lalith Kumar