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: 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 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: 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 present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates and satisfying various service requirements. A method performed by a terminal in a communication system is provided. The method includes transmitting, to a network function managing mobility, a first NAS message including capability information, wherein the capability information indicates whether the terminal supports an access technology utilization control; receiving, from the network function, a second NAS message including information on the access technology utilization control, wherein the information on the access technology utilization control indicates restricted access technology associated with a current PLMN; storing the information on the access technology utilization control; and applying the information on the access technology utilization control for a cell selection and a cell reselection in the current PLMN for restricting an access to the restricted access technology.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a user equipment (UE) in a mobile communication system is provided. The method comprises receiving, from an access management function (AMF) entity via a base station, a configuration update command message in case that the UE supporting a multi universal subscriber identity module (MUSIM) feature is not registered for an emergency service, and disabling the MUSIM features based on the received configuration update command message. The configuration update command message includes registration result information indicating that the UE supporting the MUSIM features is registered for the emergency service.

Abstract: A method for managing 5G Mobility Management (5GMM) parameters of a Standalone Non Public Network (SNPN) at a User Equipment (UE), the method includes selecting an SNPN identifier (SNPN ID) from among SNPN IDs in a first list, determining whether the first list includes a valid Subscriber Permanent Identifier (SUPI) for the SNPN ID, the first list including SNPN parameter values associated with the SNPN IDs, identifying a first SUPI from a first Universal Subscriber Identifier Module (USIM) of the UE in response to determining that the first list does not include the valid SUPI, generating a first SNPN registration request based on the SNPN ID and the first SUPI to attempt registration with a first SNPN associated with the SNPN ID, and updating a second list with the SNPN ID, the first SUPI, and a SNPN parameter value corresponding to the first SNPN upon successful registration.

Abstract: Embodiments disclosed herein relate to methods for handling a resource in a wireless network by a UE 100. The method includes receiving a reject cause message from a network entity. The UE does not support a redirected radio access technology (RAT) indicated in the reject cause message. Further, the method includes considering the reject cause message to represent an abnormal case and performing at least one action based on the abnormal case. The method can be used for enabling enhanced NAS procedure in CIoT devices. The method can also be used to indicate the change in support of CP/UP preference when both CP and UP CIoT optimization are supported, so as to reduce the signalling overhead in the wireless network, improve the UE behavior and NAS procedural efficiencies.

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 terminal in a communication system is provided. The method includes transmitting, to an access and mobility management function (AMF), a registration request message, receiving, from the AMF, a registration accept message for the registration request message, the registration accept message including information on an on-demand single network slice selection assistance information (S-NSSAI), the information on the on-demand S-NSSAI including the on-demand S-NSSAI and a value of a slice deregistration inactivity timer associated with the on-demand S-NSSAI, and in case that a condition is satisfied, starting the slice deregistration inactivity timer for the on-demand S-NSSAI over an access type, using the value.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose a method for managing network slice selection assistance information (NSSAI) list in a wireless communication network. The method includes receiving, by a user equipment (UE), at least one signaling message from a network function entity. The method further includes determining, by the UE, whether at least one allowed NSSAI list is received for a network entity from the at least one signaling message. The method further includes deleting, by the UE, a stored allowed NSSAI list and a partially allowed NSSAI list for the network entity on determining no allowed NSSAI list is received from the at least one signaling message.

Abstract: Embodiments herein achieve a method for handling registration and session management in a wireless communication system. The method includes registering, by a User Equipment (UE), with a first core network entity over a 3GPP access network and a non-3GPP access network. Further, the method includes triggering, by the UE, a registration procedure to a second core network over the 3GPP access network when a periodic timer of the UE expires in an OOS state. Further, the method includes receiving, by the UE, a non-access stratum (NAS) message, over the 3GPP access network, with an indication to register for the non-3GPP access network with the second core network entity. Further, the method includes reinitiating the registration procedure to register again for the non-3GPP access with the second core network entity through the non-3GPP access network.

Abstract: A method for an optimal cell selection for a UE in a wireless network, may include receiving a plurality of KPIs associated with the UE, determining whether at least one KPI from the plurality of KPIs meets at least one KPI criteria; and performing, one of: prioritizing a sub6 cell over a mmWave cell and selecting the sub6cell cell or prioritizing a LTE cell over a sub6 cell and selecting the LTE cell or, prioritizing the LTE cell over the mmWave cell and selecting the LTE cell, and prioritizing the mmWave cell over the sub6 cell and selecting the mmWave cell in response to determining that the at least one KPI from the plurality of KPIs does not meets the at least one KPI criteria.

Abstract: A method is provided for completing a registration procedure in a fifth generation (5G) network, comprising transmitting, by a user equipment (UE), a registration request message to the 5G network, the registration request message initiating a first registration procedure, starting, by the UE, a connection release timer in response to occurrence of a plurality of events; meeting, by the UE, at least one of a plurality of conditions; stopping, by the UE, the connection release timer in response to the meeting the at least one of the plurality of conditions; and performing, by the UE, a local release of a signaling connection in response to the meeting the at least one of the plurality of conditions if the UE is in a connected 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 for handling a Non access stratum (NAS) procedure (e.g., service request (SR) procedure or the like) by a user equipment (UE) in a wireless network is provided. The method includes triggering the SR procedure and determining a transmission failure of the SR or a control plane service request message in response to triggering the SR procedure. Further, the method includes determining whether the SR procedure is triggered for a reason comprising one of requesting the wireless network to release a NAS signaling connection, and rejecting a paging request from the wireless network, or requesting the wireless network to release the NAS signaling connection.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose a wireless network and methods to maintain a MA PDU session at a NSACF entity. The method includes determining, by a SMF entity, that a PDU session is the MA PDU session based on an indication from a UE. Further, the method includes indicating, by the SMF entity, that the PDU session is the MA PDU session to the NSACF entity in response to determination. The wireless network may maintain the count accurately even though the PDU session is a MA PDU session.

Abstract: A method is provided for completing a registration procedure in a fifth generation (5G) network, comprising transmitting, by a user equipment (UE), a registration request message to the 5G network, the registration request message initiating a first registration procedure, starting, by the UE, a connection release timer in response to occurrence of a plurality of events; meeting, by the UE, at least one of a plurality of conditions; stopping, by the UE, the connection release timer in response to the meeting the at least one of the plurality of conditions; and performing, by the UE, a local release of a signaling connection in response to the meeting the at least one of the plurality of conditions if the UE is in a connected state.