Abstract: This disclosure is related to a procedure to provide emergency services support for a UE which does not have a valid subscription for the serving PLMN. This disclosure more specifically provides procedure to support IMS emergency call or eCall support for a UE which is in limited state on a E-UTRA cell is connected to both EPC and 5GCN.

Abstract: This disclosure defines a procedure to handle authentication procedure during Xn handover. More specifically it defines handling of an authentication procedure when Xn handover takes place from one serving PLMN to another serving PLMN during the authentication 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.

Abstract: A procedure to establish latest security key in a UE and a network is disclosed. More specifically, the procedure defines various method to establish latest Kausf in the UE and the network and make the UE and network uses the same Kausf in various security 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). Disclosed is a method of performing Network Slice-Specific Authentication and Authorization, NS SAA, in a telecommunication network, for at least one network slice, such that a given user is able to access the at least one network slice, S-NSSAI, comprising the step of performing NSSAA after a specified time period, T, has elapsed.

Abstract: Embodiments herein provide a method and a wireless network device (100) for handing a paging cause of a service. The method includes receiving, by the wireless network device (100), a NAS message includes the paging cause of the service provided by the wireless network device (100) and a first value corresponding to the paging cause from a UE (200). The method includes modifying, by the wireless network device (100), the first value of the paging cause of the service to a second value, and sending a NAS response message to the UE (200), where the NAS response message includes the paging cause of the service and the second value of the paging cause. The second value enables the UE (200) to respond to a paging message based on the second value of the paging cause.

Abstract: Accordingly, embodiments herein disclose a method for handling a closed access group (CAG) related procedure in a wireless communication system. A network may receive a radio resource control (RRC) resume request message from a user equipment (UE). The network may determine whether the at least one CAG identifier (ID) broadcasted in a CAG cell is included in an allowed CAG list of the UE (100) in response to the RRC resume request message. The network may proceed with a RRC resume procedure in response to determining that the at least one CAG ID is included in the allowed CAG list.

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 provides a method and system for ciphering of initial NAS message protection procedure. A UE is registered to a first PLMN and a first 5G NAS security context has been established. The UE selects a second PLMN. The UE sends Initial Registration procedure with only cleartext IE to the second PLMN. The second PLMN may initiate and perform authentication procedure.

Abstract: A communication device for handling an interworking procedure comprises at least one processing circuit configured to execute instructions of registering to a fifth generation (5G) system (5GS) network and establishing at least one Protocol Data Unit (PDU) session of a PDU session type to a Data Network (DN) identified by a first Data Network Name (DNN) and connected to the 5GS network; selecting a cell of an Evolved Packet System (EPS) network, after establishing the at least one PDU session; determining whether the at least one PDU session is supported in the EPS network; determining whether the cell supports an attach without any packet data network (PDN) connection; and initiating an attach procedure on the cell, when determining that none of the at least one PDU session is supported in the cell and the cell does not support the attach without any PDN connection.

Abstract: The 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 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 disclosed herein includes storing, by a network, URC identifiers (IDs) against all Public Land Mobile Network-Identifiers (IDs) belonging to a same Tracking Area Identity (TAI) list in a UE context information.

Abstract: The present disclosure realtes to a pre-5th generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). In an embodiment, a method, for managing an Authentication and Key Management for Applications (AKMA) service for a User Equipment (UE) in a communication system is disclosed. The method includes determining, by a network function, that the UE is not allowed to utilize the AKMA service, in response to detecting at least one condition associated with the UE. The method includes transmitting, by the network function, a request to an AKMA Anchor Function (AAnF) for deleting an AKMA context corresponding to the UE from a memory associated with the AAnF. The method includes deleting, by the AAnF, the AKMA context corresponding to the UE from the memory.

Abstract: The present disclosure relates to synchronizing a temporary identity in the UE and the network when the UE is RRC Inactive state over 3GPP access and temporary identity of the UE is changed over a Non-3GPP access in a scenario when the UE is connected to the same AMF via 3GPP and non-3GPP access.

Abstract: The disclosure is addressing the service access to disjoint network slices. It proposes solutions for on demand registration to a disjoint network slice(s) and a switch between disjoint network slices with minimum interruption. This allows for isolation between the network slices leading to improved 5G security and integrity in the data exchange.

Abstract: A procedure to establish latest security key in a UE and a network is disclosed. More specifically, the procedure defines various method to establish latest Kausf in the UE and the network and make the UE and network uses the same Kausf in various security procedure.

Abstract: According to an embodiment of a present disclosure, a method performed by AKMA anchor function (AAnF) in a wireless communication system is provided. The method may include: receiving, from an application function (AF), a message for requesting authentication and key management for applications (AKMA) application key for a user equipment (UE); checking whether the AAnF provides AKMA service to the AF based on a local policy; and based on a result of the checking, determining whether to derive the requested AKMA application key for the UE.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Embodiments herein disclose a method performed by a terminal in a mobile communication system. The method includes performing a registration procedure on a first standalone non-public network (SNPN), selecting a second SNPN based on a predetermined condition, and transmitting, to a network entity, a registration request message on the second SNPN for an initial registration, in case that the second SNPN differs from the first SNPN.

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 of handling a User Equipment (UE) Radio Capability (URC) Identification (URC-ID) assignment procedure is provided.

Abstract: The present disclosure discloses method and apparatus for handling a user equipment (UE) (100) with a closed access group (CAG) subscription in a wireless network by a first network device (200). The method comprises receiving a registration request from the UE (100); and transmitting, a first message to a second network device (300), in response to receiving the registration request, wherein the first message indicates a request to register with the second network device (300) on behalf of the UE (100), and whether the first network device (200) supports CAG feature.

Abstract: Accordingly, Example embodiments herein disclose a method for supporting a user equipment (UE) accessing one or more closed access group (CAG) cells via a radio access network. A core network apparatus may receive via the interface circuitry a request signal that includes a protected CAG identifier (ID) associated with the UE. The core network apparatus may de-conceal the protected CAG ID to determine a CAG ID. The proposed method can be used to define how the wireless communication system will perform the subscription check for the received CAG identifier. Further, the method can also be defined how to perform resume procedure on a CAG cell when the UE (100) is in a 5GMM-CONNECTED with inactive indication or 5GMM-IDLE with suspend indication.

Abstract: The present disclosure relates to a method and a system for Non-3GPP Interworking Function (N3IWF) selection in a UE for network connectivity. The method comprising receiving, by the UE associated with the system, a configuration message from an AMF in a network. Thereafter, the method comprising configuring each of a plurality of N3IWF identifiers and associated at least one S-NSSAI present in the configuration message, wherein the each of the plurality of N3IWF identifiers is an IP address or a FQDN. Subsequently, the method comprising selecting a N3IWF identifier from the plurality of N3IWF identifiers based on a user selection of a S-NSSAI associated with the N3IWF identifier for the network connectivity. The present disclosure makes user aware of the different N3IWFs available in the network, which allows user to select right N3IWF, and hence, the services the user wants to utilize while connecting via non-3 GPP network.