Abstract: A method and system for re-enabling a N1 mode capability for 3rd generation partnership project (3GPP) access in a user equipment (UE) are provided. The method includes determining that the UE supports an access to a standalone non-public network (SNPN), identifying that N1 mode capability is disabled in the UE, determining first validity information associated with the SNPN, and re-enabling the N1 mode capability upon determining that the first validity information associated with the SNPN changes from not met to met.

Abstract: Disclosed is a method of operating a User Equipment, UE, where the UE is in a non-allowed area, or the UE is not in an allowed area and wherein the UE wishes to request User Plane, UP, resources for a Protocol Data Unit, PDU, in a Non-Access Stratum, NAS, message, the UE includes a specified Information Element, IE, only when the UP resources are for a PDU session for emergency service and wherein the specified IE only indicates a PDU session ID associated with emergency access.

Abstract: A method and systems for managing registration of user equipment (UE) during disaster roaming conditions are provided. The method includes receiving, by a network node of a secondary public land mobile network (PLMN), an indication about a termination of a disaster condition, from a primary PLMN, wherein the secondary PLMN provides disaster roaming services to the UE in an evolved packet system (EPS) during the disaster condition in fifth generation system, and transmitting, by the network node to the UE, a non-access stratum (NAS) message that includes radio access technology (RAT) utilization control information and a predefined reject cause prompting the UE to re-attach to the primary PLMN over the 5GS, upon receipt of the indication.

Abstract: A method performed by a user equipment (UE) for access barring during disaster roaming in a communication network system is provided.

Abstract: An example a method for managing paging restrictions in a wireless network includes detecting, by a UE, whether a first subscriber identity module (SIM) is configured for a dedicated data subscription (DDS). The method further includes detecting, by the UE, an occurrence of a trigger condition in connection with at least one of the first SIM and at least one second SIM and enabling, by the UE, a paging restriction to the at least one second SIM based on the occurrence of the predetermined trigger condition.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Specifically, the disclosure related to method and apparatus for a network slice access management for a user equipment in a wireless communication system. The method includes receiving, from an access and mobility management function (AMF) entity, temporary slice related information for a first single network slice selection assistance information (S-NSSAI). Further, the method includes identifying whether the first S-NSSAI is available or not available. Further, the method includes transmitting, to the AMF entity, a registration request message including a second S-NSSAI based on the identification. Further, the registration request message does not include the first S-NSSAI.

Abstract: The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method and system for handling slice replacement in a communication network system are provided. The method includes receiving by the user equipment (UE) Single Network Slice Selection Assistance Information (S-NSSAI) time validity information for Single Network Slice Selection Assistance Information (S-NSSAI) from the first network apparatus. The method includes detecting by the UE that the S-NSSAI time validity information indicates that the S-NSSAI is available. The method includes locally removing by the UE the entry of at least one of a replaced S-NSSAI, an alternative S-NSSAI from an alternative NSSAI, or an S-NSSAI from allowed NSSAI or partially allowed NSSAI when the S-NSSAI time validity information indicates that the S-NSSAI is not available. The entry includes S-NSSAI corresponding to the replaced S-NSSAI or the alternative S-NSSAI.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A first access and mobility management function (AMF) receives, from a user equipment (UE), a registration request message including information regarding a public land mobile network (PLMN) with a disaster condition, wherein the information regarding the PLMN with the disaster condition indicates a PLMN of the UE which has faced the disaster condition, stores the information regarding the PLMN with the disaster condition included in the registration request message as a part of a UE context, receives, from a second AMF, a UE context transfer request message, and transmits, to the second AMF, a UE context transfer response message in response to the UE context transfer request message, the UE context transfer response message comprising the UE context.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. According to an embodiment, the method comprises establishing at least one PDU connection in an S1 mode; performing an inter system change from the S1 mode to an N1 mode; and in case that a successful UE-requested PDU session modification procedure is not previously performed and the UE is in a 5GMM-REGISTERED.NON-ALLOWED-SERVICE state, performing a UE-requested PDU session modification procedure to report 5G session management (5GSM) capability of the UE after entering a 5GMM-REGISTERED.NORMAL-SERVICE state.

Abstract: 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 a user equipment (UE) in a wireless communication system is provided. The method includes, at switch-on or recovery from a lack of a coverage, identifying that a registered public land mobile network (PLMN) is a PLMN with which the UE is registered for a disaster roaming, and performing a PLMN selection procedure, based on the identification, wherein the registered PLMN is ignored during the PLMN selection procedure.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide a method for continuity of modem service by a user equipment (UE). The method includes detecting modem restart at the UE (100). The method includes determining whether a wireless network (400) and the UE (100) supports a session and mobility management feature upon detecting the restart of the modem (150), and identifying SM-MM contexts used by the UE (100) for accessing the modem service upon determining that the wireless network entity (200) supports the session and the mobility management feature. The method includes transmitting a first signaling message comprising at least one of the SM context and the MM context to the wireless network entity (200) for the continuity of the modem service.

Abstract: A method of power management in a User Equipment (UE) including a plurality of Subscriber Identity Modules (SIMs), includes: enabling, by the UE, one of plurality of SIMs as a primary SIM when the UE is in a location with no Terrestrial Network (TN) coverage, wherein the primary SIM performs a scanning for availability of the TN coverage; disabling, by the UE, one or more of the plurality of SIMs while the primary SIM scans for the TN coverage, wherein the one or more of the plurality of SIMs are different from the primary SIM; and enabling, by the UE, the one or more of the plurality of SIMs of the UE, based on detecting the availability of the TN coverage in response to the scanning performed by the primary SIM.

Abstract: The present disclosure relates to the field of network slicing in wireless communication. In accordance with an aspect of the disclosure, a method performed by an access and mobility function (AMF) entity is provided. The method includes receiving, from a user equipment (UE), a registration request including a requested network slice selection assistance information (NSSAI); transmitting, to a Network Slice Admission Control Function (NSACF) entity, a request for determination of an availability of a number of UEs based on the registration request; and in case that a rejection for the request is received from the NSACF, transmitting, to the UE, information on a back-off timer.

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, embodiments herein disclose a method and system for distributed discovery and notifications for edge computing. The method includes receiving, by an edge configuration server (ECS) (116), an information profile of at least one edge application server (EAS) (112) provided by a source edge enabler server (EES) (14A) from a plurality of EESs (114).

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose methods and systems for handling FPLMNs for MINT. Embodiments herein disclose methods and systems for managing selection of PLMNs in wireless communication networks, during a disaster situation. Embodiments herein disclose methods and systems for managing selection of PLMNs in wireless communication networks, during a disaster situation, wherein the UE transitions from Disaster Roaming Service to Normal Service on the same PLMN-A, when PLMN-A is included in the list of preferred PLMN/access technology combinations provided in the Steering of Roaming (SOR) information to the UE. Embodiments herein disclose methods and systems for managing selection of PLMNs in wireless communication networks, during a disaster situation, wherein the UE can avail disaster roaming services from PLMN-A for other PLMN(s) with disaster condition (for e.g.

Abstract: A method for handling one or more emergency services at a User Equipment (UE) via a New Generation-Radio Access Technology (NG-RAN) satellite cell, includes: receiving, from one or more applications associated with the UE, a request to access the one or more emergency services; determining a Public Land Mobile Network (PLMN) from one or more lists of PLMNs, wherein the one or more lists of PLMNs comprises at least a list of PLMNs not allowed to operate in a current location of the UE; and accessing the one or more emergency services by establishing a connection with the NG-RAN satellite cell associated with the determined PLMN.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide methods for handling disaster roaming service in network by UE. The method includes determining whether the UE receives a NAS message without integrity protection from a combination of first PLMN and second PLMN upon sending a registration request message to combination of first PLMN and second PLMN after expiry of a timer. In an embodiment, the method includes determining a count of attempt to combination of first PLMN and second PLMN meets a predefined threshold and determining that first PLMN is genuine network in which UE is not allowed to get disaster roaming service and blocking to retry on combination of first PLMN and second PLMN in response to receiving NAS message without integrity protection from combination of first PLMN and second PLMN upon sending a registration request message to the combination of first PLMN and second PLMN after expiry of timer.

Abstract: Embodiments of present disclosure relates to an apparatus and method for managing security context related to a UE. Initially, registration of a UE with a new AMF in a communication network is identified. Further, generation of new security context by new AUSF selected by the new AMF for authentication of the UE is detected. Further, presence of one or more old security contexts related to the UE and generated by one or more old AUSFs selected by one or more old AMFs for one or more previous authentications of the UE, is detected. Upon the detection, de-registration of the UE with the one or more old AUSFs is initiated for managing security context related to the UE in the communication network. Thus, stale and inactive security context related to the UE may be deleted in the network and security of communication with the UE is enhanced.

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: The present disclosure relates to a method in a wireless network, the method comprising: receiving, by a Unified Data Repository (UDR) entity (500), information associated with an Access and Mobility Management Function (AMF) entity (200) from a Unified Data management (UDM) entity (400), when the UDM entity (400) receives a registration procedure from the AMF entity (200), wherein the registration procedure comprises timestamp information associated with a User Equipment (UE) (100); and allowing, by the UDR entity (500), to overwrite the information associated with the AMF entity (200) upon determining that the timestamp information is same as a previously stored timestamp information.