Abstract: A method and system for dual registration and transmission in a wireless communication network, wherein the UE registers on a first access network is disclosed. The UE receives a dual steering policy from network apparatus while registered on the first access network. The dual steering policy are used for selection of a second access network for the dual registration and transmission control. Further the UE selects the second access network for the dual registration and transmission control based on the dual steering policy.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose methods for performing PDU session recovery in a RRC inactive state of a UE (100) by the UE (100). The method includes initiating a NAS message in the RRC inactive state of the UE (100). Further, the method includes receiving a fallback indication from a lower layer and determining whether the UE (100) included an indication in the NAS message. In an embodiment, the method includes initiating recovery of the PDU session for which at least one user-plane resource was active prior to receiving the fallback indication upon determining that the UE (100) does not include the indication in the NAS message. In another embodiment, the method includes forbidding to initiate recovery of the PDU session for which at least one user-plane resource was active prior to receiving the fallback indication upon determining that the UE (100) included the indication in the message.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method of operating a User Equipment, UE, communicatively coupled to a telecommunication network, PLMN, wherein If the UE supports disabling and re-enabling of UE's Narrow Band Internet of Things, NB-IoT, capability and the UE is in NB-S1 mode and is disabling the NB-IoT capability; the UE should select E-UTRAN, or if the UE supports Cellular Internet of Things, CIoT, Evolved Packet System, EPS, optimization it selects satellite E-UTRAN via “WB-E-UTRAN(LEO)”, “WB-E-UTRAN(MEO)”, or “WB-E-UTRAN(GEO)”, of the registered PLMN or a PLMN from a list of equivalent PLMNs.

Abstract: Provided is a method for performing a network registration process in a wireless network to access at least one network service, which includes: transmitting, by a user Equipment (UE), a network registration request to a network device of the wireless network to access one or more network slice services, wherein both the UE and the network device are associated with a same public land mobile network (PLMN); receiving, by the UE, a response message comprising one of a registration accept message and a registration reject message; and registering, based on the response message, by the UE, with one of the network device or another network device within the wireless network sharing the same PLMN to access the one or more network slice services.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure discloses a method of SNPN access management in a User Equipment operating in SNPN access operation and the User Equipment thereof. The method recites storing a Network Identifier (NID) along with an identifier associated with a registered SNPN in a non-volatile memory of the UE. The method further recites utilizing the stored NID and the identifier associated with the registered SNPN for SNPN selection process after power-up of the UE.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide a method for handling a RPLMN during a disaster situation in a wireless network by a UE. In an embodiment, the method includes selecting RPLMN as PLMN with the disaster condition for accessing the disaster roaming services in response to determining that the RPLMN is included in a list of PLMNs with disaster condition for which disaster roaming services is offered by another PLMN and is allowable. In another embodiment, the method includes skipping the RPLMN and determining a PLMN with disaster condition for acessing the disaster roaming services in response to determining that the at least one PLMN is not included in the list of PLMNs with the disaster condition for which disaster roaming services is offered by the another PLMN or is not allowable.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. In some implementations, a user equipment (UE) and method to manage a rejected network slice selection assistance information (NSSAI) is disclosed. The method may include receiving, from a network, an activate default EPS bearer context request message with a Single-NSSAI (S-NSSAI) and a Public Land Mobile Network (PLMN) identifier (ID). In addition, the method may include removing the S-NSSAI from a rejected NSSAI list for a current PLMN.

Abstract: Methods and/or systems for managing satellite communication using a store and forward (S&F) service with at least one network node onboard satellite. An example method may include: determining, by a User Equipment (UE), that a network supports the store and forward service; and initiating, by UE, at least one Non-Access Stratum (NAS) procedure with network, wherein UE re-attempts to provide a NAS signaling based on received at least one store and forward information. Determining, by a core network node, that at least one NAS procedure initiated by UE cannot be completed due to store and forward (S&F) operation, wherein core network node onboard the network; and providing, by core network node, at least one S&F information to UE, wherein S&F information comprises an indication of UE in S&F operation, list of Satellite Identifications (IDs), and S&F wait timer.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments disclosed herein provide a method for handling slice Deregistration Inactivity timer of on-demand S-NSSAI in a telecommunication network (1000) by a UE (100). The method includes determining whether a MA PDU session is successfully established. In an embodiment, the method includes avoiding to start a slice de-registration inactivity timer in the UE and an AMF entity (200) on any access type, when the MA PDU session is successfully established. In another embodiment, the method includes starting the slice deregistration inactivity timer for the on-demand S-NSSAI over a corresponding access type, when the MA PDU session is not successfully established.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Specifically, the disclosure related to a method performed by a user equipment (UE) for managing behavior of Equivalent Stand-alone Non-Public Network (SNPN) in a wireless communication system.

Abstract: Embodiments herein disclose a method for handling a PLMN selection in a wireless network by a UE. The method includes receiving, by a user equipment (UE), slice-based PLMN selection information from a network entity of a home public land mobile network (HPLMN), and selecting, by the UE, a visited public land mobile network (VPLMN) among a plurality of PLMNs based on a priority order defined in the slice-based PLMN selection information.

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) for handling session management (SM) procedure in a wireless network system is provided. The method includes establishing, by the UE, a protocol data unit (PDU) session with a network apparatus in the wireless network system, determining, by the UE, whether the UE is in an area where a single-network slice selection assistance information (S-NSSAI) associated with the PDU session is not allowed or not supported by the network apparatus, and in case that the UE is in the area where the S-NSSAI of the PDU session is not allowed or not supported by the network apparatus, initiating, by the UE, a PDU session release procedure or initiating a PDU session modification procedure.

Abstract: A method for handling, by a mobility management entity (MME)-ground, a user equipment (UE) context for satellite communication is provided. The method may comprise maintaining a UE context for a UE based on the UE registering with a network entity. The method may comprise identifying at least one first MME-onboard each of which is in a corresponding satellite having possibility to serve the UE. The method may comprise sharing the UE context stored at the MME-ground with the at least one identified first MME-onboard.

Abstract: A method of a mobile station (MS) for performing closed access group (CAG) selection is disclosed. The method may comprise camping on a cell of a first public land mobile network (PLMN); and performing PLMN selection, cell selection or cell re-selection based on a current time, and a time validity information corresponding to each CAG-identifier(ID) for a second PLMN, based on the MS being in a limited service state in the first PLMN, and being in an automatic PLMN selection mode.

Abstract: A method for access control of a UE (120) connecting through a Mobile base station relay (MBSR)-UE (122) in a wireless network (1000) by an IAB-Donor gNB (108). The method includes connecting the UE (120) to the IAB-Donor gNB (108) through a first MBSR-UE (122) to receive an emergency service in the wireless network. Further, the method includes determining that the first MBSR-UE (122a) is about to become unavailable to provide the emergency service to the UE (120) in the wireless network. Further, the method includes transmitting a handover request message to the UE (120) to perform an handover procedure to move the UE (120) to a NG-RAN node (104) before the first MBSR-UE (122a) becomes unavailable in the wireless network upon determining that the first MBSR-UE (122a) is about to become unavailable.

Abstract: A method performed by a mobility management entity (MME) are provided. The method comprises detecting that a monitoring event that a user equipment (UE) is moving from being registered in a store and forward (S&F) mode to not being registered in the S&F mode, and in response to detecting the monitoring event, transmitting, to a service capability server/application server (SCS/AS), a message indicating that the UE is moving from being registered in the S&F mode to not being registered in the S&F mode.

Abstract: A method for handling a store and forward (S&F) satellite operation for satellite communication is provided.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a network slice admission control function (NSACF) in a communication system, the method comprising: receiving, from a session management function plus packet data network gateway control plane function (SMF+PGW?C), a message for controlling a number of user equipment (UEs) registered to a network slice, the message comprising an update flag; identifying whether the update flag comprises update value indicating that an access type of the UE is to be replaced with a new access type; and in case that the update flag comprises the update value, replacing the access type of the UE with the new access type.

Abstract: The 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). Embodiments disclosed herein provide a method for managing a NSSAI list in a wireless network (1000) by a UE (100). The method includes receiving the partially allowed NSSAI list or an allowed NSSAI list from a NF entity (200) in the wireless network (1000). Further, the method includes deleting the S-NSSAI, from the partially rejected NSSAI, included in the partially allowed NSSAI list or allowed NSSAI list. Further, the method includes receiving the configured NSSAI information from the NF entity (200). Further, the method includes deleting a stored partially rejected NSSAI based on the configured NSSAI information.

Abstract: A method and a system for capability reporting for handling public land mobile network (PLMN)-specific attempt counters in a disaster roaming registration procedure in a wireless communication system are provided. The method includes receiving, by a user equipment (UE), a registration accept message from a PLMN upon, based on initiation of the disaster roaming registration procedure between the UE and the PLMN. Further, the method includes determining, by the UE, whether the registration accept message is for disaster roaming services, based on the registration accept message. Further, the method includes performing, by the UE, one of resetting a PLMN-specific attempt counter for the PLMN, based on the registration accept message being determined to not be for the disaster roaming services, or resetting the PLMN-specific attempt counter of the PLMN for a PLMN determined by the UE as having a disaster condition, based on the registration accept message being determined to be for the disaster roaming services.