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. Methods and systems for handling encoding of radio capability information of UE using RACS. A method disclosed herein includes encoding radio capability information of a user equipment (UE) in formats of multiple radio access technologies (RATs) that have been supported by a public land mobile network (PLMN) in which the UE is registered.

Abstract: Methods and systems for controlling permissions of a UE for accessing a network. A method disclosed herein includes initiating, by a User Equipment (UE), a registration procedure with a serving network for accessing a selected network, wherein the selected network includes one of at least one CAG cell of an NPN and a VPLMN. The registration procedure indicates a network selection mode using which the UE has selected the network and the network selection mode includes one of an automatic mode and a manual mode. The method further incudes determining, by the serving network, a reject mode for rejecting the registration request of the UE based on the network selection mode indicated in the registration request, when the permissions of the UE to access the selected network have not been verified, wherein the reject mode includes a protected reject mode and an unprotected reject mode.

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: A method for core network node comprises sending, to a User Equipment (UE) (300), a REGISTRATION ACCEPT message containing at least one operator-defined access category definitions wherein the containing at least one operator-defined access category definitions causes the UE to send REGISTRATION COMPLETE message; receiving, from the UE (300), a REGISTRATION COMPLETE message indicating acknowledge reception of the at least one operator-defined access category definitions.

Abstract: This disclosure handles a registration procedure in a UE supporting registration to 5GC via untrusted non-3GPP access network and 3GPP access network. More specifically this disclosure defines a UE behavior when a registration procedure is not successful to 5GC via first access network type (e.g. untrusted non-3GPP network access) after transmitting maximum number of registration request message via the first access network type to the 5GC and the UE is registered to 5GC via other access network type (e.g. 3GPP access network (NG-RAN)).

Abstract: Embodiments herein provide a method for managing CAG information. The method includes receiving, by an Access and Mobility Management Function (AMF), a registration request message from a User Equipment (UE) through a cell for registering to a network. Further, the method includes determining, by the AMF, that the UE is one of unauthorized to the cell when the cell is a CAG cell, and authorized to access the network only through a CAG cell when the cell is a non-CAG cell. Further, the method includes sending, by the AMF, a registration reject message to the UE, where the registration reject message includes a CAG information list.

Abstract: The present disclosure is related to sending of a one time identifier of a UE during the NAS procedure. Specifically, the present disclosure relates to determining whether to use same one time identifier or different one time identifier during registration retry procedure.

Abstract: A method and apparatus of an AMF controller in a wireless communication system are provided. The method and apparatus include: registering a first SIM based on a first registration request message and registering a second SIM based on a second registration request message which has a GUTI for the first SIM. Further, the method and apparatus include: receiving at least one of downlink data and signaling information for the second SIM when a N1 NAS is in CM-Connected state for the first SIM, and transmitting a NAS message indicating at least one of the downlink data and the signaling information for the second SIM over the N1 NAS connection of the first SIM.

Abstract: This disclosure provides a method for providing user equipment (UE) radio access capabilities in a handover procedure. The method includes identifying, by a source next-generation radio access network (NG-RAN), that a target public land mobile network (PLMN) does not support a UE radio access capabilities identifier (RAC ID) assigned by a source PLMN in an inter-PLMN handover procedure. Further, the method includes providing, by the source NG-RAN, to a target NG-RAN, the UE radio access capabilities instead of the UE RAC ID in response to identifying that the target PLMN does not support the UE RAC ID assigned by the source PLMN.

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). Embodiments herein provide a method of an Access and Mobility management Function (AMF) controller in a wireless communication network. The method includes receiving, from a Multi Universal SIM User Equipment (MUSIM UE), a NAS request message including an AI request indicating a request for a paging cause in a paging message. Further, the method includes storing the AI request received in the NAS request message. Further, the method includes providing a NAS response message including an AI to the MUSIM UE, wherein the AI indicates whether the paging cause will be provided to the MUSIM UE as part of one of a paging procedure and a NAS notification procedure.

Abstract: This disclosure is related to a procedure of selecting an access stratum to send MT SMS when the UE (100) is registered to the core network via more than one access network.

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. Embodiments herein disclose a method for downlink uplink collision handling in a wireless communication network.

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 provide a method for binding a plurality of subscriber identity modules (SIMs) (150) associated with a user equipment (UE) (100) to optimize network resources in a wireless network.

Abstract: The present disclosure is related to sending of a one time identifier of a UE during the NAS procedure. Specifically, the present disclosure relates to determining whether to use same one time identifier or different one time identifier during registration retry 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. Disclosed is a method of operating a second telecommunication network to manage access of Disaster Inbound Roamers, DIR, from a first telecommunication network, to the second telecommunication network, comprising the step of: the second telecommunication network broadcasting a message indicating to User Equipments, UEs, of the first telecommunications network that they are able to roam on the second telecommunication network.

Abstract: Methods and systems for handling emergency services in a wireless network. A method disclosed herein includes enabling at least one User Equipment (UE) supporting only Closed Access Group (CAG) cell/non-public network (NPN) to camp onto at least one non-CAG cell/public network cell to access the emergency services. The method further includes enabling the at least one UE to switch behavior of a timer from a periodic registration timer with a “Strictly Periodic Registration Timer Indication” to a normal periodic registration timer/pre-release 16 behavior for performing the emergency services.

Abstract: A RAN node includes means for receiving a N2 message containing a list of S-NSSAI of the congested network slice from an AMF and means for sending the list of S-NSSAI and a wait timer for each S-NSSAI in the list in first AN signaling message to an UE when receiving, from the UE, second signaling message containing the list of S-NSSAI to establish an AN signaling connection, the S-NSSAI being indicated in the N2 message as congested by the AMF.

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. Embodiments herein provide a method for managing paging procedure by a multi SIM user equipment (UE) in a wireless communication network. The method includes receiving, by the multi SIM UE, a paging message from a first SIM network, where the multi SIM UE is on an active data session on a second SIM network.

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 method in a user equipment (UE), the method comprising: storing security keys, wherein each of the security keys corresponds to a RAT (Radio Access Technology); receiving from a communications apparatus, a message including information of a first RAT which the UE communicates with; and determining a first security key in the security keys based on the information of the first RAT, the first security key being used to verify integrity of the message.