Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method for determining a Public Land Mobile Network, PLMN, with disaster condition by an AMF in a wireless network is provided. The method comprises: receiving a registration request message from a UE: identifying that a 5GS registration type IE in the registration request message is set to a “disaster roaming initial registration” or a “disaster roaming mobility registration updating”; identifying whether a PLMN with disaster condition IE is included in the registration request message based on identifying that the 5GS registration type IE is set to the “disaster roaming initial registration” or the “disaster roaming mobility registration updating”; and determining a PLMN with disaster condition in the PLMN with disaster condition IE based on identifying that the PLMN with disaster condition IE is included in the registration request message.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose methods for handling a network slice admission control (NSAC) performed by a Network Function (NF) service consumer (200) in a wireless network (1000). The method includes determining that an existing Protocol Data Unit (PDU) session has been handed over from a source access to a target access. Further, the method includes performing a network slice admission control for the PDU session, based on the determination, by interacting the NF service consumer with a Network Slice Admission Control Function (NSACF) entity (300).

Abstract: A method of a user equipment (UE) for establishing a session with one or more Stand-alone Non-Public Networks (SNPNs) includes first sending a service request to a SNPN network entity while the UE is in an idle mode, monitoring a response to the service request based on a first timer and a counter, initiating a second timer in response to determining that the counter exceeds a threshold count, receiving an indication of a change in a current SNPN, or an update associated with a selected entry of the current SNPN, stopping the second timer, and second sending the service request to the SNPN network entity for connection with a new SNPN, or the current SNPN with the update, the second sending being performed in response to determining that the second timer has stopped, and the second sending being performed while the UE remains in the idle mode.

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.

Abstract: The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method performed by a User Equipment (UE) is provided. The method includes determining to include unavailability information in a deregistration request message, and transmitting, to a network entity, the deregistration request message, wherein the unavailability information is included in the deregistration request message as non-cleartext information, wherein the deregistration request message includes a non-access stratum (NAS) message container information element (IE), wherein the unavailability information is included in the NAS message container IE, and wherein at least a part of the NAS message container IE is ciphered by the UE.

Abstract: A method for accessing one or more services by a User Equipment (UE) in a multi-Radio Access Technology (multi-RAT) network, includes: receiving, from applications associated with the UE, a request to access at least one of services or slices within the multi-RAT network; based on the received request and mapping information, determining at least one of RATs or Subscription Permanent Identifiers (SUPIs). The mapping information indicates a relationship between slices and at least one of RATs associated with networks within the multi-RAT network and SUPIs stored at the UE; and based on the determined at least one of RATs, and the SUPIs to access the requested at least one of the services or the slices, establishing a connection with at least one of the networks within the multi-RAT network.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate.

Abstract: Methods and systems for managing AMF re-allocation is provided. The method for managing AMF reallocation during UE registration procedure with a 5G network comprises: determining if the first AMF may send a routing assistance information to the UE, on the first AMF determining that the first AMF is not a right AMF to serve the UE; sending a routing assistance information, to the UE, as response to a first registration request message; receiving routing assistance information from the first AMF; sending a second registration request message to a 5G RAN of the 5G network comprising a portion of content included in the routing assistance information; and routing the second registration request message to a second AMF of the 5G network, wherein the second AMF is determined by the 5G RAN based on the portion of content included in the routing assistance information.

Abstract: A method and system in the User Equipment (UE) for maintaining rejected network slice selection assistance information (NSSAI) for Single Network Slice Selection Assistance Information (S-NSSAI) not available due to maximum number of UEs reached per access type. The method comprises receiving a Non-Access Stratum (NAS) message including at least one of a registration accept, registration reject or CONFIGURATION UPDATE COMMAND message along with at least one of rejected Single Network Slice Selection Assistance Information (S-NSSAI(s)) information and a cause for the S-NSSAI not available due to maximum number of UEs reached from a network. Thereafter, the method includes determining by the UE an access type on which the rejected S-NSSAI(s) is applicable based on the received S-NSSAI(s) information and then maintaining a storage of the rejected NSSAI for the S-NSSAI not available due to the maximum number of the UEs reached per access type based on the determination.

Abstract: A method for handling collision of signaling messages between a user equipment (UE) and a network entity is disclosed. The method includes transmitting a first signaling message comprising a first access type and a second signaling message comprising a second access type different from the first access type. The UE is registered on a network for the first access type and the second access type. The method also includes determining that the first access type and the second access type correspond to different access types. The method further includes processing the first signaling message and the second signaling message based on the determination by processing of the first signaling message and the second signaling message in parallel or re-triggering one or more of the first signaling message or the second signaling message.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method of controlling timer T3440 or T3540 in a User Equipment, UE, the timer being operable to guard a time during which the UE maintains a certain type of connection to a telecommunication network, wherein the timer has a default first time period in the absence of a first condition and a second condition being met, wherein if both the first condition and the second condition are met, then the first default time period is extended to a second time period.

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 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). An embodiment herein is to provide a method performed by a user equipment (UE) in a wireless communication system, the method comprising: receiving satellite coverage availability information, identifying, based on the satellite coverage availability information, a coverage for a satellite communication at a location and a time is available or not, identifying, information on at least one or more public land mobile networks (PLMNs) for the UE at a present location of the UE, and performing, a communication based on the information on the at least one or more PLMNs.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Specifically, the disclosure provides a method for managing a context associated with a UE during a discontinuous coverage scenario in a telecommunication network by a network apparatus. The method includes detecting a 5G mobile management (5GMM) signalling congestion to perform a NAS level congestion control. The method includes receiving unavailability information due to discontinuous coverage, when the UE is allowed to initiate a 5GMM procedure. Further, the method includes avoiding to reject a request for mobility registration update from the UE to manage a context associated with the UE during a discontinuous coverage scenario, when the network apparatus receives the unavailability information due to discontinuous coverage from the UE.

Abstract: Methods and systems are provided for handling non-3rd generation partnership project (3GPP) slice registration in 3GPP networks. A protocol data unit (PDU) session is managed in a wireless communication network in which a user equipment (UE) determines the allowed PDU session which can be transferred from non-3GPP access to 3GPP access. Paging resources are managed in a wireless communication network in which an access and mobility management function (AMF) checks if the data to be sent on the PDU session of non-3GPP access is of single-network slice selection assistance information (S-NSSAI) which is in an allowed network slice selection assistance information (NSSAI) list of 3GPP access.

Abstract: A user equipment (UE) and a method to maintain service session continuity in a wireless communication network are provided. The UE includes a transceiver, memory storing one or more computer programs, and one or more processors communicatively coupled to the transceiver and the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors, cause the UE to identify an application running on the UE and a corresponding packet data unit (PDU) session mapping for the application data route, defer a re-evaluation of UE route selection policy (URSP), until at least one condition has been met, based on an application type, and trigger the re-evaluation and applying highest priority URSP rules for traffic for the identified application during an ongoing service session based on the application type.

Abstract: A method for managing mobile terminated (MT)-service information to a multi-subscriber identity module (SIM) user equipment (UE) over non-3rd generation partnership project (N3GPP) access in a wireless communication network is provided. The method includes determining, by the multi-SIM UE, an on-going service on a first SIM of the multi-SIM UE over a 3GPP access; and managing, by the multi-SIM UE, the MT-service information for a second SIM of the multi-SIM UE using the N3GPP access based on the on-going service on the 3GPP access of the first SIM of the multi-SIM UE.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments disclosed herein provide method for managing a Network Slice Selection Assistance Information (NSSAI) list in a wireless network by a UE. The method includes receiving at least one event. The at least one event includes: receiving a deregistration request message from a network function (NF) entity, performing a deregistration event at the UE, or successfully completing a tracking area update procedure, a successful registration procedure, or an unsuccessful registration procedure. Further, the method includes deleting: a partially rejected NSSAI list or a partially allowed NSSAI list based on the at least one received event.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Methods and systems are provided in which control plane data is blocked for partially allowed network slice selection assistance information (NSSAI) and network slice area of service (NS-AoS) when a user equipment (UE) is in an area/cell/tracking area (TA) where the S-NSSAI is not available/supported. The UE initiates the NAS transport procedure for a cellular Internet of things (CIOT) user data container when the UE is in an area/cell/TA where the S-NSSAI is not available/supported of NS-AOS area. The UE initiates the NAS transport procedure for the CIOT user data container when the UE is in an area/cell/TA where the S-NSSAI is not available/supported of S-NSSAI supported area.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The principal object of the embodiments herein is to disclose methods and systems for evaluating and re-evaluating a user-equipment route selection policy (URSP) rule in a wireless network. A method for re-evaluating at least one user-equipment route selection policy (URSP) rule in a wireless network, the method comprising: initiating, by a user equipment (UE), re-evaluation of the at least one USRP rule; and checking, by the UE, for a correct Route Selection Descriptor (RSD) for an application, on one of the UE moving to a tracking area (TA) where single-network slice selection assistance information (S-NSSAI) is allowed, and the UE receiving a partially allowed network slice selection assistance information (NSSAI).