Abstract: Apparatus and methods relating to enabling a wireless device to perform SRVCC when connected to a 3GPP specified gNB and a 5G core network that does not support SRVCC are disclosed. In some embodiments, a method of operation of a wireless device comprises providing an indication to the 5G core network that the UE support SRVCC in EPC mode and receiving instruction to connect to an eNB in EUTRAN and EPC that supports SRVCC to a circuit switched network. In this manner, the gNB and the 5G Core network is not required to support SRVCC. Related embodiments in gNB and a control plane entity in the G core network are also provided.

Abstract: A method in a proxy call session control function, P-CSCF, of handling an unauthenticated emergency call originating from a roaming user equipment that is not attached to the P-CSCF. The P-CSCF receives a session initiation protocol (SIP) REGISTER request from the UE, where the REGISTER request relating to the emergency registration. The P-CSCF determines an IP address of the UE. The P-CSCF sends an identity query to a policy and charging rules function (PCRF) indicating the IP address of the UE and requesting other identifiers of the UE. The P-CSCF receives one or more other identifiers of the UE from the PCRF. The P-CSCF obtains a TEL and/or SIP uniform resource identifier (URI) for the UE on the basis of at least one of the one or more other identifiers. The P-CSCF sends a 200 OK response to the UE in response to the SIP REGISTER request, where the 200 OK response includes the TEL and/or SIP URI.

Abstract: A node (150) of a wireless communication network controls connectivity of a radio device (10) to the wireless communication network. The connectivity is based on parallel usage of a first radio technology and a second radio technology. Depending on subscription data associated with the radio device (10), the node controls a restriction of scheduling of radio transmissions of the radio device (10) for one of the first radio technology and the second radio technology.

Abstract: Methods, nodes, computer programs and a mobile network for handling a terminating circuit switched signaling service to a terminal in a mobile network are described. A method of handling a terminating circuit switched signaling service to a terminal in a mobile network is described. The signaling service is distinct from a call. The mobile network comprises a first control node and a second control node. The method is performed by the first control node. The method comprises receiving signaling information for terminating the circuit switched signaling service to the terminal, subsequent to the step of receiving, detecting that the terminal has requested a location update from a second control node of the mobile network, and, based on the step of detecting, forwarding the received signaling information to the second control node.

Abstract: A method and a radio network node, a method and a core network node as well as a method and a charging node for enabling management of a traffic steering policy are disclosed. The radio network node receives, from the core network node, an indication of the traffic steering policy indicating one or more access resources and at least one of a PDN connection, a packet flow and a bearer to use on the one or more access resources. Furthermore, the radio network node determines to steer traffic. radio network node transmits access information to the core network node. The access information indicates a currently used access resource for the PDN connection, the packet flow or the bearer. The core network node transmits the access information. The charging node determines an amount of traffic for the PDN connection, packet flow or bearer on the currently used access resource.

Abstract: The present invention relates to a method for operating a mobile entity (100, 400) in a mobile communications network (50) which comprises at least one slice (51, 53), comprising the steps of: determining to which slice of the mobile communication the mobile entity (100, 400) intends to connect, determining whether a relationship can be identified in the mobile entity (100) via which the slice to which the mobile entity intends to connect, is related to an access point of the determined slice, wherein when the relationship is found in the mobile entity: transmitting a request message to a radio access network of the mobile communications network including the identified relationship.

Abstract: A method of initiating a handover of a User Equipment, UE, from a first type of Radio Access Technology, RAT, to a second type of RAT, wherein said UE is attached to a core network via an Access Node, AN, comprised by a Radio Access Network, RAN, utilizing said first type of RAT, wherein said method comprises the steps of transmitting, by said UE, to said AN, measurement data relating to qualities of links between said UE and access nodes in said RAN, receiving, by said UE, an indicator from said AN, wherein said indicator informs said UE that there is a risk of losing connectivity between said UE and said Radio Access Network, initiating, by said UE, triggered by said received indicator, a handover in order to access the CN via said second type of RAT.

Abstract: A protective device (28) is provided for a plug-in electric vehicle having a charging plate (22) and a traction battery (26). The protective device (28) has a diode that includes an anode for connecting the diode to the charging plate (22) and a cathode for connecting the diode to the traction battery (26). A charging plate, a high-voltage line and a plug-in electric vehicle having such a protective device also are provided.

Abstract: Embodiments herein relate to a method performed by a first network node (13) for enabling communication between a first wireless device (10) of a first core network in a communication network with a second wireless device (11) of a second core network in the communication network (1). The first network node (13) supports a first set of functionalities out of a total set of functionalities in the first core network of the communication network, which first set of functionalities belongs to a first network slice of the first core network, and is separated from another set of functionalities out of the total set of functionalities in the first core network. The first network node (13) initiates a request transmission, to a receiving network node (17), for communicating with the second wireless device, which request transmission comprises a first network slice identity, first network slice ID, of the first network slice identifying the supported first set of functionalities.

Abstract: A method of enabling dual registration of a User Equipment, UE, with first and second Internet Protocol Multimedia Subsystem, IMS, networks, the method comprising, in response to a connection request made to a gateway node by the UE, sending to the UE, network addresses of respective first and second Proxy Call Session Control Functions, P-CSCF, the first and second P-CSCFs being configured to enable IMS registrations to the first and second IMS networks respectively.

Abstract: The present disclosure generally relates to aspects of applying policy and charging rules to bearers in a communication network. The policy and charging rules are provided for application to at least a dedicated bearer. The technique presented herein may be implemented in connection with a mobile terminal moving between an access point of a first type supporting default and dedicated bearers and an access point of a second type supporting default and not supporting dedicated bearers. A method embodiment of the present disclosure removes an established dedicated bearer and temporarily suspends application of the rules to the dedicated bearer upon a move from an access point of the first type to an access point of the second type. A network endpoint of an ongoing session kept agnostic of the removal of the dedicated bearer.

Abstract: This specification presents methods and apparatus in a device and a network node implementing a Bootstrapping Server Function, BSF, for enabling multiple service functions/clients in the device sharing a common public identity and each performing its own registration to one or more (IMS) core network, to use a common bootstrapping of application security based on the Generic Bootstrapping Architecture, GBA/Generic Authentication Architecture, GAA, infrastructure. Therefore, when using Extensible Markup Language, XML, Configuration Access Protocol, XCAP, or the likes, the multiple service functions in the device use the same authentication method for all XCAP traffic or the likes, such as GBA/GAA but enabling it to use the same key sets (e.g., same B-TID).

Abstract: A technique for controlling set up of a terminating call to a UE in a CSFB situation involving a first MSC paging the UE and a second MSC where the UE is performing a Location Update is described. A method implementation of this technique comprises receiving, from an HLR, a PRN message and forwarding information received in the PRN message to the second MSC.

Abstract: A method of establishing a Packet Data Unit, PDU, session between a User Equipment, UE (51; 600), and a data network identified by a Data Network Name, DNN, in a telecommunication network. The telecommunication network comprising an Access and Mobility Function, AMF (56; 66; 500), and a Policy Control Function, PCF (60; 700).

Abstract: A method of initiating a Packet Data Unit, PDU, session between an User Equipment, UE, and a Data Network Name, DNN, in a telecommunication network, said method comprising the steps of; receiving, by an Access & Mobility Function, AMF, a registration request for an UE for registering said UE in said telecommunication network, retrieving, by said AMF, from an Unified Data Management, UDM, node, one or more DNNs to which PDU sessions are expected to be established by said UE in said telecommunication network, and wherein said step of retrieving is triggered by said receiving of said registration request, instructing, by said AMF, said UE to initiate said one or more PDU sessions between said UE and said one or more DNNs. Complementary methods and Devices for performing a method according to the invention are also presented herein.

Abstract: A method of handing over a User Equipment, UE, from a first type of Radio Access Technology, RAT, to a second type of RAT, wherein said UE is attached to a core network via a Radio Access Network, RAN, utilizing said first type of RAT, said method comprising the steps of receiving, by a Mobility Management node in said core network from a network function in said core network, an indication that a particular service is to be invoked for said UE, determining, by said Mobility Management node, that said UE is to be handed over from said first type of RAT to said second type of RAT for supporting said particular service and requesting, by said Mobility Management node, said RAN to hand over said UE from said first RAT to said second RAT.

Abstract: A system, method, node and computer program for handling re-selection of a RAN (120, 130, 140) by a UE (100) is described. The UE (100) is attached via a first RAN (120, 130) to a CS control node (110) for execution of a CS service. The method comprises that the CS control node (110) receives an indication that the execution of the CS service shall be terminated. The CS control node (110) then determines whether the UE (100) shall perform re-selection of the RAN (120, 130, 140). If so, the CS control node (110) determines selection criteria for the re-selection of the RAN (120, 130, 140) and sends them to the UE (100) using Non-Access Stratum related signaling. The UE (100) receives the determined selection criteria from the CS control node (110) and re-selects the RAN (120, 130, 140), considering the received selection criteria.

Abstract: A method performed by a network node for enabling communication with a wireless device via a radio network node in a communication network, which network node supports a first set of functionalities out of a total set of functionalities in a core network of the communication network. The first set of functionalities belongs to a first network slice of the core network, and is separated from another set of functionalities out of the total set of functionalities in the core network. The network node initiates a transmission of an indication, during a connection setup for the wireless device, to the radio network node, which indication indicates the supported first set of functionalities.

Abstract: Methods are disclosed for requesting an initial attachment of a user equipment (UE) to a packet switched mobile communication network. One method includes analyzing the communication capability of the UE, determining an access point name (APN) based on the result of the analysis. The APN is an address of a gateway node between the packet switched mobile communication network and a further packet switched network. The APN is provided to a control node of the packet switched mobile communication network to establish a bearer to the gateway node. Corresponding operations performed by UEs are disclosed.

Abstract: The application relates to a method for operating a first radio access node 100 of a first packet switched mobile communications network. The first radio access node receives a request for establishing a data packet session requiring a defined quality of service and determines that the data packet session cannot be handled by the first packet switched communications network. The first radio access node triggers a hand over to a second packet switched mobile communications network based on the determining and transmits an indication towards a mobile entity (200) involved in the data packet session indicating that a resource for the data packet session will be available when the handover is completed.