Abstract: Methods, wireless device (500) and network node (502) which can be used when resuming a communication session after a period of inactivity of the wireless device (500). The wireless device (500) sends to a network node (502) a resuming request comprising an indication of at least one preferred network slice out of a set of network slices that was used in the communication session before said period of inactivity. Thereby, the network node (502) is able to determine the preferred network slice(s) based on the indication in the resuming request.

Abstract: A communication system for resuming a connection comprises a user equipment (UE) and network nodes. A first network node is configured to prepopulate a UE context, and send, to a second network node, the UE context. The second network node is configured to receive, from the first network node, the UE context, and send, to a UE, a resume request message including a freshness parameter and the UE context. The UE is configured to receive, from the second network node, a resume request message including the freshness parameter and the UE context, generate an authentication token based on the freshness parameter and the UE context, and send, to the second network node, a resume response message including the authentication token. The communication system provides a freshness parameter and a prepopulated UE context to secure and facilitate resume procedure against replay attacks.

Abstract: The disclosure provides methods in a network node for a telecommunications network. In one method, the network node operates as a primary network node for a wireless terminal configured with dual connectivity, and the method comprises: receiving a message indicating that a secondary network node, which provides user plane connectivity for the wireless terminal, has no data to transmit to the wireless terminal; and based at least in part on the received message, configuring the wireless terminal in an inactive mode.

Abstract: Embodiments of a method performed by a radio access node for network scheduled User Equipment (UE) transition to connected mode and corresponding embodiments of a radio access node are disclosed. In some embodiments, a method performed by a radio access node comprises receiving: (a) a notification request from an Access and Mobility Management Function (AMF) to retrieve reachability information for a UE or (b) downlink data to be communicated to the UE. The method further comprises, upon receiving either (a) or (b), determining that the UE is in an inactive state and is currently unreachable. The method further comprises sending information to the AMF that notifies the AMF that the UE is currently unreachable. The information comprises information that indicates that RAN paging of the UE is scheduled or scheduling assistance information. Embodiments of method performed by an AMF and corresponding embodiments of an AMF are also disclosed.

Abstract: According to one aspect of the present disclosure, a method of paging policy differentiation in a 5G telecommunications network is provided. A User Plane Function (UPF) receives downlink data for a target User Equipment (UE), and provides a data notification to a Session Management Function (SMF), the data notification comprising a Quality of Service (QoS) indicator, which the SMF uses to determine QoS Information (QoSI) that is sent to an Access Management Function (AMF). The AMF determines whether a paging policy selection should be performed by the AMF or by a Radio Access Node (RAN) that serves the target UE: if by the AMF, the AMF selects a paging policy based on the QoSI and sends a paging message to the RAN, which pages the UE; if by the RAN, the AMF provides paging policy information to the RAN, which selects a paging policy and pages the UE accordingly.

Abstract: According to certain embodiments, a method by a wireless device is provided for mapping of application data packets onto bearers. The method includes associating at least one tag value with a bearer upon establishment of the bearer. A tag is attached to a packet when passing the packet to a lower layer. The packet is mapped onto the bearer, and a path to transmit the packet is selected.

Abstract: Methods may be provided to operate a network node supporting dual connectivity communication with a wireless terminal as a main network node in cooperation with a secondary network node. Dual connectivity communication with the wireless terminal may be provided in cooperation with the secondary network node. Responsive to deciding to suspend the dual connectivity communication with the wireless terminal, a connection release message may be transmitted to the wireless terminal, a suspension indication message may be transmitted to the secondary network node, the dual connectivity communication with the wireless terminal may be suspended. Related methods may be provided to operate secondary network nodes and wireless terminals.

Abstract: A communication device, network node and methods therein in for handling network slices in a wireless communication network are disclosed. The communication device encrypts Network Slice Selection Assistance information, NSSAI, using public key cryptography and includes the encrypted NSSAI in a Non Access Stratum, NAS, registration request. Then the communication device sends a Radio Resource Control, RRC, request to the network node including the NAS registration request. The network node receives the RRC connection request from the communication device and selects a network function based on information in the RRC connection request. The network node forwards the NAS registration request to the network function and forwards to the communication device a NAS registration response received from the network function after the network function decrypting the NSSAI using a PLMN private key.

Abstract: System comprising a mobility management entity, MME, a first Radio Access node, RAN (eNB) offering Long Term Evolution, LTE, access, and a second radio access node, RAN (gNB) offering New Radio, NR, access; a user entity, UE, supporting both Long Term Evolution, LTE, and New Radio, NR, Radio Access Technology, RAT.

Abstract: The present disclosure generally relates to the field of security context setup. More specifically, the present disclosure relates to techniques of supporting security context setup in a wireless communication network. A method embodiment relates to supporting security context setup in a wireless communication network, the method comprising initiating (S304), by a radio access network (RAN) element of the wireless communication network, Access Stratum (AS) security context setup for a first Radio Access Technology (RAT) and a second RAT in a common signaling procedure.

Abstract: The proposed technology relates to accessing wireless networks and in particular it relates to utilizing a second wireless network for enabling a wireless device, being unable to access a first wireless network, to access a first wireless network. One aspect of the proposed technology relates to a method performed in a wireless device being unable to access a first wireless network. The method comprises accessing a second wireless network and sending information indicating an inability to access the first wireless network to the second wireless network, for further distribution to the first wireless network. Thereby, the proposed method enables the first wireless network to reconfigure at least one access procedure parameter in the first wireless network in order to improve the conditions for the wireless device when accessing the first wireless network. The method further comprises accessing the first wireless network utilizing at least one reconfigured access procedure.

Abstract: Methods and apparatus are provided for transferring management of one or more wireless devices from being managed by a first core network node, to instead be managed by a second core network node. The method comprises obtaining information identifying the one or more wireless devices, wherein the information comprises a first group identifier identifying a first group associated with the one or more wireless devices; and transferring context data from the first core network node to the second core network node, wherein the context data relates to the one or more wireless devices for use in managing the one or more wireless devices.

Abstract: A method performed by a User Equipment (UE) for handling access barring in a wireless communications network is provided. The UE obtains (1201) barring instructions from a network node. The UE further performs (1204) access barring check. When the outcome of the access barring check is that the UE is not authorized, the UE determines (1205) how to proceed based on the barring instructions.

Abstract: Method of performing a random access procedure between a User Equipment, UE, and a radio access network, wherein two access nodes comprise different sets of signature sequences, wherein said signature sequences are used, by said access nodes, to differentiate requests coming from different UEs, said method comprising the steps of receiving a random access request from said UE, wherein said random access request comprises a signature sequence, determining that said random access request is intended for said first radio access node based on said signature sequence comprised by said request, receiving, from a second access node, said random access request, thereby indicating that said second radio access node has also received said random access request from said UE, and sending a response based on said received random access request from said UE and based on said random access request received from said second radio access node.

Abstract: The disclosure provides methods in a network node for a telecommunications network. In one method, the network node operates as a primary network node for a wireless terminal configured with dual connectivity, and the method comprises: receiving a message indicating that a secondary network node, which provides user plane connectivity for the wireless terminal, has no data to transmit to the wireless terminal; and based at least in part on the received message, configuring the wireless terminal in an inactive mode.

Abstract: A Radio Network Node, RNN, (106) and a method therein for load balancing in a wireless communications network (100). The RNN is configured to communicate with a wireless device (108) supporting both normal coverage and extended coverage. The RNN and the wireless device are operating in the wireless communications network. The RNN determines an indication informing the wireless device that it, when in normal coverage, is to monitor one of a downlink legacy resource and an extended coverage resource for information and/or is to use one of an uplink legacy resource and an extended coverage resource when accessing the wireless communications network. Further, the RNN transmits the indication to the wireless device.

Abstract: A method of operating an Access and Mobility Management Function (AMF) of a communications system that includes an access node (AN) configured to communicate through a wireless air interface with user equipments (UEs) and that has a Session Management Function (SMF), is provided. The method includes receiving an indication of a Max Data Radio Bearer Integrity Protection, DRB-IP, rate indicating a maximum computational capacity of the UE to process DRBs that have integrity protection during Packet Data Unit (PDU) sessions. A PDU session establishment request NAS message is received from the UE for establishing a PDU session. A PDU session create message is communicated toward the SMF. A SMF message is received that contains an indication of an allocated DRB-IP rate for DRBs that are to be integrity protected for a PDU session being established.

Abstract: Embodiments herein relate to a method performed by a radio network node of a communication network. The communication network comprises a first set of functionalities belonging to a first network slice of a first core network node, and a second set of functionalities belonging to a second network slice of a second core network node or the first core network node. The radio network node obtains paging identities comprising first and second paging identities of a wireless device; receives a paging indication for the wireless device from the second network slice; initiates a matching process for matching the second paging identity in the paging indication to the paging identities for locating context of the wireless device; and pages, upon a match of the matching process, the wireless device, for communication with the second network slice, using the context.

Abstract: A method performed by a wireless communication device for monitoring for a paging message from a core network node in a wireless communications network. The wireless communication device monitors (304) for the paging message at one or more paging occasions during a time period for monitoring paging. The start of the time period is based on an instant of time when the wireless communication device registers to the core network node.

Abstract: According to certain embodiments, a method (400) by user equipment (UE) (300) is provided for avoiding bearer state mismatch that includes storing, by the UE, a passive context for use in resuming a connection with a network node (600). While the UE is in an inactive state, the UE locally deactivates at least one radio bearer. The UE signals, to the network node, an indication that the at least one radio bearer has been deactivated locally and the network node consequently modifies the stored bearer context.