Abstract: The present disclosure provides a method and system wherein a network indicates to a UE that the UE is allowed to send SMS over NAS in a network initiated procedure in a case for SMS subscription change wherein when the UE has been registered to the 5GS after successful Registration procedure with the status that the UE cannot have the SMS over NAS service, as the UE has subscription data “SMS service is not allowed” in the UDM.

Abstract: 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 provide a method for managing paging procedure by a multi SIM user equipment (UE) in a wireless communication network. The method includes receiving, by the multi SIM UE, a paging message from a first SIM network, where the multi SIM UE is on an active data session on a second SIM network.

Abstract: 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. Accordingly, the embodiments herein provide a method for binding a plurality of subscriber identity modules (SIMs) (150) associated with a user equipment (UE) (100) to optimize network resources in a wireless network.

Abstract: In the current standard(s), there is no mechanism or procedure to achieve the objective. This disclosure provides a solution to this objective. A method of a communication apparatus includes sending information for requesting a URSP (User Equipment Route Selection Policy) rule, and receiving the URSP rule in a case of sending the information.

Abstract: There is a service requirement defined in 3GPP TS 22.261. However, there is no clear mechanism defined in 3GPP specifications how the requirement can be realized. A method of a User Equipment (UE) includes sending first information indicating a first network slice which is available in a first network where the UE is located and second information indicating a second network slice which is required by a service or an application activated in the UE and is not available on the first network. The method includes receiving third information indicating a second network where the second network slice is available.

Abstract: The Policy Control Function (PCF) provides UE policy (e.g. URSP, ANDSP, V2XP) to a UE supporting the S1 and N1 mode when the UE is registered in the 5GS. In addition, the UE policy is also used while the UE is registered to the EPS. In current 3GPP specifications, there is no procedure defined for sending the UE policy to the UE when the UE is attached to the EPS. In absence of the UE policy, user data from the UE cannot be routed properly when the UE is registered to EPS. A method of a User Equipment (UE) includes sending, to a Mobility Management Entity (MME), a first message including information to obtain a UE policy, and receiving, from the MME, a second message including the UE policy.

Abstract: Disclosed herein are a communication technique for merging, with an IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor. Embodiments herein disclose a method of protecting sensitive user plane traffic in an User Equipment (UE) (100), the method comprising: transmitting, to a network (200), by the UE (100) a first NAS message comprising an indicator indicating that the UE (200) supports of a secure channel for domain name system (DNS); receiving, from the network (200), by the UE (100) a second NAS message including DNS server security information in response to transmitting the first NAS message; and transmitting, to the network (200), by the UE (100) the DNS over the secure channel based on the DNS server security information.

Abstract: A method of a communication apparatus includes sending a first message. The first message includes Single Network Slice Selection Assistance Information (S-NSSAI). The method includes receiving a second message in a case where the S-NSSAI is not used for a time period. The second message includes the S-NSSAI and a reject cause indicating that the S-NSSAI is not used for the time period. The time period is associated with the S-NSSAI. The method includes sending a third message to remove the S-NSSAI from an Allowed Network Slice Selection Assistance Information (NSSAI). The third message includes the S-NSSAI and the reject cause.

Abstract: This disclosure provides a method for providing user equipment (UE) radio access capabilities in a handover procedure. The method includes identifying, by a source next-generation radio access network (NG-RAN), that a target public land mobile network (PLMN) does not support a UE radio access capabilities identifier (RAC ID) assigned by a source PLMN in an inter-PLMN handover procedure. Further, the method includes providing, by the source NG-RAN, to a target NG-RAN, the UE radio access capabilities instead of the UE RAC ID in response to identifying that the target PLMN does not support the UE RAC ID assigned by the source PLMN.

Abstract: There is a new market requirement that a network slice needs to be deployed in area that does not overlap with the already deployed Tracking Areas and/or has a limited lifetime. As the latest 3GPP specification cannot fulfil the new market requirement, 3GPP specifications need to be enhanced. A method of a communication apparatus includes receiving Single Network Slice Selection Assistance Information (S-NSSAI), first information indicating where the S-NSSAI is valid and second information indicating when the S-NSSAI is valid. The method includes sending the S-NSSAI, the first information and the second information.

Abstract: 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. Methods and systems for handling encoding of radio capability information of UE using RACS. A method disclosed herein includes encoding radio capability information of a user equipment (UE) in formats of multiple radio access technologies (RATs) that have been supported by a public land mobile network (PLMN) in which the UE is registered.

Abstract: The present disclosure is related to sending of a one time identifier of a UE during the NAS procedure. Specifically, the present disclosure relates to determining whether to use same one time identifier or different one time identifier during registration retry procedure.

Abstract: 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 disclose a method and system for handling a network slice specific authentication and authorization (NSSAA) process in a wireless network system.

Abstract: The method includes sending a registration request message. The registration request message includes first 5G Globally Unique Temporary Identifier (5G-GUTI), a first Non-Access-Stratum (NAS) container, second 5G-GUTI, and a second NAS container. The first NAS container includes a first integrity protected registration request message. The first integrity protected registration request message is the registration request message which is integrity protected based on a first NAS security context. The second NAS container includes a second integrity protected registration request message. The second integrity protected registration request message is the registration request message which is integrity protected based on a second NAS security context.

Abstract: 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. Disclosed is a method of operating a second telecommunication network to manage access of Disaster Inbound Roamers, DIR, from a first telecommunication network, to the second telecommunication network, comprising the step of: the second telecommunication network broadcasting a message indicating to User Equipments, UEs, of the first telecommunications network that they are able to roam on the second telecommunication network.

Abstract: The present disclosure provides a method and system wherein a network indicates to a UE that the UE is allowed to send SMS over NAS in a network initiated procedure in a case for SMS subscription change wherein when the UE has been registered to the 5GS after successful Registration procedure with the status that the UE cannot have the SMS over NAS service, as the UE has subscription data “SMS service is not allowed” in the UDM.

Abstract: Embodiments herein provide a method for managing CAG information. The method includes receiving, by an Access and Mobility Management Function (AMF), a registration request message from a User Equipment (UE) through a cell for registering to a network. Further, the method includes determining, by the AMF, that the UE is one of unauthorized to the cell when the cell is a CAG cell, and authorized to access the network only through a CAG cell when the cell is a non-CAG cell. Further, the method includes sending, by the AMF, a registration reject message to the UE, where the registration reject message includes a CAG information list.

Abstract: The system design disclosed by R2-2108928 works with the basic 5GS network structure. On the other hand, there are many variants of 5GS available according to 3GPP specifications. As the system design disclosed by R2-2108928 does not consider the variants of 5GS available according to 3GPP specifications, there is a case where the system design disclosed by R2-2108928 does not work in the variants. A method of an Access and Mobility Management Function (AMF) apparatus includes sending a first message including a Public Land Mobile Network Identifier (PLMN ID) and Single Network Slice Selection Assistance Information (S-NSSAI), receiving a second message including the PLMN ID and the S-NSSAI associated with an identifier, and sending the S-NSSAI associated with the identifier.

Abstract: [Problem] When AMF changes from one AMF to another AMF, there is a problematic situation or an unclear situation for communication procedure between nodes including the AMF related to the communication procedure. [Solution] A communication apparatus includes means for receiving a message. The message includes information related to an access type. The communication apparatus includes means for using a Non Access Stratum (NAS) security context to perform an integrity check related to a registration request message. The NAS security context corresponds to the information related to the access type.

Abstract: 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. A method and apparatus for managing CAG related procedure in a wireless communication network is provided.