Abstract: Embodiments of the present disclosure relates to a method and an entity for transmitting a plurality of media access control, MAC, addresses. A method performed at a first entity for transmitting a plurality of media access control, MAC, addresses, comprises: transmitting (S101), to a second entity, a message including a first parameter and a second parameter. The first parameter and the second parameter indicate the plurality of MAC addresses. The plurality of MAC addresses may comprise a plurality of source MAC addresses; and/or a plurality of destination MAC addresses. According to embodiments of the present disclosure, a plurality of MAC addresses may be simultaneously transmitted among the nodes in the communication network, and thus the efficiency of the communication network may be further improved.

Abstract: A method performed by a first node (111), for handling provision of a service to a device (130). The first node (111) receives (301) a request from a second node (112) operating in the communications system (100). The request requests an authorization for the provision of the service with a first quality of service (QoS), and for provision of the service with one or more alternative qualities of service (QoSs). The request further requests a bit rate associated to each of the first QoS and the one or more alternative QoSs. The first node (111) determines (302) one or more allowed QoSs, amongst the first QoS and the one or more alternative QoSs, and, for each allowed QoS, an associated bit rate. The first node (111) then sends (303) a response to the second node (112) to the received request. The response indicates the one or more allowed QoSs and the respectively associated bit rate.

Abstract: The present application generally relates to wireless communication technology. More particularly, the present application relates to a method and an for handling Background Data Transfer (BDT) for a User Equipment (UE). The present application also relates to computer program product adapted for the same purpose. According to one embodiment, a method for handling Background Data Transfer (BDT) for a User Equipment (UE) comprises: a) transmitting, from a node for Application Function (AF) to a node for Policy Control Function (PCF), a policy request indicating the BDT is UE trajectory-relevant; and b) at the node for AF, receiving from the node for PCF, a plurality of BDT policy groups, each of which is associated with a corresponding section of a trajectory.

Abstract: The present invention generally relates to wireless or mobile communication. More particularly, the present invention relates to a method for delivering a Session Management (SM) or User Equipment (UE) policy in a 3GPP core network. The present invention also relates to apparatus and computer program product adapted for the same purpose. According to one embodiment of the present invention, a method for configuring Session Management (SM) or User Equipment (UE) policy in a 3GPP core network, includes the following steps performed by a first network node: sending to a second network node, a request for delivering the SM or the UE policy, wherein the request indicates a subscription to the outcome of the SM or the UE policy delivery; and receiving from the second network node, an outcome of the SM or the UE policy delivery.

Abstract: Methods for event report management in a network comprising a set of NF nodes, and corresponding NF nodes. The A method is implemented at a first NF node for providing an event exposure service for a User Equipment, UE, to a second NF node which subscribes the event exposure service includes starting a report mute guard timer upon receiving a first presence status report for the UE from a third NF node. The method includes avoiding a transmission of an event report to the second NF node while the report mute timer is running and transmitting an event report corresponding to a latest presence status report received during the running of the report mute guard timer to the second NF node when the report mute guard timer expires. The present disclosure further discloses a corresponding method implemented at the second NF node. The present disclosure further provides corresponding NF nodes and computer readable medium.

Abstract: Methods and apparatus for handling failure during traffic steering are provided. In embodiments disclosed herein, a Session Management Function (SMF), a Policy Control Function (PCF), a Packet Data Network Gateway Control Plane (PGW-C), a Policy and Charging Rules Function (PCRF), and/or a User Plane Function (UPF) can be configured to collaboratively handle an error(s) that occurs during N6-LAN traffic steering, SGi-LAN traffic steering, Application Function (AF) influence traffic steering. Specifically, the methods disclosed herein allow the SMF or the PGW-C to detect the error based on multiple means and report the detected error to the PCF or the PCRF. As a result, it is possible to improve robustness of traffic steering in a communication network.

Abstract: A method for access and mobility policy control in a communications network, the method comprising receiving at a first policy control entity for handling UE policies from a network node a notification including access and mobility policy data for a user equipment, the notification further including an application identifier or a packet flow descriptor to which the access and mobility policy data applies; obtaining at the first policy control entity PDU session information for the user equipment relative to the application identifier or the packet flow descriptor, particularly wherein the PDU session information is at least one of an application start/stop event, an out of credit event, a reallocation of credit event or a usage report; and modifying at least one access and mobility policy at the first policy control entity based on the obtained PDU session information. The network node may be a user data repository.

Abstract: A method in a network node is described. The method includes receiving a discovery request from a first network function (NF) node to discover at least one media NF type node. The discovery request indicates a media NF type of the at least one media NF type node. The media NF type is one of an access media gateway (A-MGW), an Internet Protocol (IP) multi-media gateway (IM-MGW), and a media resource function (MRF). The method further includes discovering the at least one media NF type node and transmitting a discovery response to the discovery request. The discovery response indicates the discovered at least one media NF type node and at least one corresponding NF profile. The at least one corresponding NF profile comprises at least one of one or more media types, one or more supported codecs, and transcoding support information.

Abstract: Embodiments described herein relate to methods and apparatuses for enabling selection of a media resource function or a media gateway in an IP session. A method in a Proxy Call Session Control Function, P-CSCF, includes receiving one or more Session Initiation Protocol, SIP, packets originating from a wireless device as part of the IP session; responsive to receiving the SIP packets, transmitting a request to a Policy Control Function, PCF, for an indication of a geographical service area for a User Plane Function, UPF associated with the IP session; receiving an indication of the geographical service area; and selecting a gateway node based on the geographical service area.

Abstract: The present disclosure proposes methods and network elements for managing background data transfer (BDT). A method for managing BDT comprises: receiving, from a second network element, a first request for subscription of notification for network performance recovery; determining that network performance is recovered from a degraded network performance; and transmitting, to the second network element, a first notification for network performance recovery.

Abstract: Network nodes and methods for control thereof for dynamic network slice selection. An AMF receives a UE request originating from the UE, the UE request being any one of a registration request and a session request. A network slice requester controls a transmitter to transmit a network slice selection request to a PC_NSS. A selection data manager of the PC_NSS determines selection data specifying one or more UE specific parameters affecting network slice selection. A network slice selector selects a network slice assignable for the UE, based on the selection data, determines network slice data and a corresponding network slice routing rule, and transmits them to the AMF. A network slice manager of the AMF controls assignment of a network slice to the UE in dependence on the received network slice data and network slice routing rule.

Abstract: A method for access and mobility policy control in a communications network, the method comprising receiving at a first policy control entity for handling UE policies from a network node a notification including access and mobility policy data for a user equipment, the notification further including an application identifier or a packet flow descriptor to which the access and mobility policy data applies; obtaining at the first policy control entity PDU session information for the user equipment relative to the application identifier or the packet flow descriptor, particularly wherein the PDU session information is at least one of an application start/stop event, an out of credit event, a reallocation of credit event or a usage report; and modifying at least one access and mobility policy at the first policy control entity based on the obtained PDU session information. The network node may be a user data repository.

Abstract: A method performed by a first node (e.g., a network exposure function (NEF)) is provided. The method includes: the first node subscribing to an event for one or more user equipments (UEs) at a second node (e.g., a policy and control function (PCF)). Subscribing to the event comprises indicating one or more filters selected from the group of (i) a set of network identifiers (e.g., data network names (DNNs)) that the subscription applies to, (ii) a set of network slice identifiers (e.g., single network slice selection assistance information (S-NSSAIs)) that the subscription applies to, and (iii) a set of locations to which the subscription applies.

Abstract: Methods and apparatuses for data transmission. A method implemented at a first network function may comprise obtaining information related to network slice selection; and sending a reroute message to an access network node, wherein the reroute message including a container comprising at least one information element of the information related to network slicing selection.

Abstract: A method of operating a user equipment (“UE”) to handle an internet protocol multimedia subsystem (“IMS”) emergency call can include sending a session initiation protocol (“SIP”) REGISTER request relating to an emergency registration to a proxy call session control function (“P-CSCF”) of an IMS network. The method can further include, responsive to sending the SIP REGISTER request, receiving a response from the P-CSCF. The method can further include, responsive to receiving the response, performing an action based on the response.

Abstract: The embodiments herein relate to methods, network functions, and computer readable medium for handling dynamic group membership for an application group in a mobile communication system. In one embodiment, there proposes a method performed by a network function implementing a policy control function, comprising: receiving, from a network function implementing a terminal management function and/or a network function implementing a data repository function, a notification message indicating one or more changed application groups, wherein the notification message comprises one or more internal group identifiers each of which identifies respective one of the one or more changed application groups. With embodiments herein, it enables the PCF to properly handle all the service procedures that are related to the UE subscription to respective application groups.

Abstract: Methods and apparatuses for data transmission. A method implemented at a first network function may comprise obtaining information related to network slice selection; and sending a reroute message to an access network node, wherein the reroute message including a container comprising at least one information element of the information related to network slicing selection.

Abstract: The present disclosure generally relates to wireless communication technology. More particularly, the present disclosure relates to a method for providing a pre-paid service in a cellular communication network. The present disclosure also relates to apparatus and computer program product adapted for the same purpose. According to one embodiment, a method for providing a pre-paid service in a cellular communication network includes the following steps carried out at a first node: sending to a second node a request for subscribing to an event where resources for one of a group of subscribers have run out; and in response to a message on occurrence of the event from the second node, sending to a terminal device using the resources a notification that the resources have run out, wherein the first node is a node for application function (AF), and the second node is a node for exposing network capabilities and events.

Abstract: A method performed by a first node (e.g., a network exposure function (NEF)) is provided. The method includes: the first node subscribing to an event for one or more user equipments (UEs) at a second node (e.g., a policy and control function (PCF)). Subscribing to the event comprises indicating one or more filters selected from the group of (i) a set of network identifiers (e.g., data network names (DNNs)) that the subscription applies to, (ii) a set of network slice identifiers (e.g., single network slice selection assistance information (S-NSSAIs)) that the subscription applies to, and (iii) a set of locations that the subscription applies to.

Abstract: Network nodes and methods for control thereof for dynamic network slice selection. An AMF receives a UE request originating from the UE, the UE request being any one of a registration request and a session request. A network slice requester controls a transmitter to transmit a network slice selection request to a PC_NSS. A selection data manager of the PC_NSS determines selection data specifying one or more UE specific parameters affecting network slice selection. A network slice selector selects a network slice assignable for the UE, based on the selection data, determines network slice data and a corresponding network slice routing rule, and transmits them to the AMF. A network slice manager of the AMF controls assignment of a network slice to the UE in dependence on the received network slice data and network slice routing rule.