Abstract: Communication equipment (16) is configured to invoke an application programming interface (API) (14) to access a service. The communication equipment (16) transmits, from the communication equipment (16) to API exposing equipment (12) configured to expose the API (14), a request (18) to invoke the API (14). The communication equipment (16) also transmits, from the communication equipment (16) to the API exposing equipment (12), an access token (20) that indicates whether a resource owner (24) consents (26) to the communication equipment (16) accessing a protected resource (22) of the API (14). The API exposing equipment (12) may verify the request (18) based on the access token (20), e.g., by verifying the request (18) against one or more claims in the access token (20). The API exposing equipment (12) may then accept or reject the request (18) depending on that verification.

Abstract: The present disclosure is related to methods and network nodes for feature discovery in non-direct subscription scenarios. A method at a first network node for determining whether one or more first features are to be used for notification from the first network node to a second network node or not is provided. The notification is subscribed by a non-direct subscription operation. The method includes: receiving information indicating whether the one or more first features are supported by the second network node or information from which whether the one or more first features are supported by the second network node is able to be derived; and determining whether the one or more first features are to be used for the notification based on at least the received information.

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: Embodiments include methods for a client (e.g., EEC) of an edge data network. Such methods include, during or after authentication and/or authorization of the client by a first server (e.g., ECS) of the edge data network, receiving from the first server an identifier (UE ID) of a user 5 equipment that hosts the client. Such methods include sending the UE ID to a second server (e.g., EES) of the edge data network, during authentication and/or authorization of the client by the second server. Other embodiments include complementary methods for the first and second servers, as well as clients (or UEs hosting same) and servers configured to perform such methods.

Abstract: The present disclosure proposes network elements, methods at the network elements for facilitating reuse of IP address, a telecommunications system comprising the network elements. The method at a first network element for facilitating reuse of an IP address at multiple UEs comprising a first UE comprises: transmitting, to a second network element, a first request message associated with the first UE, the first request message comprising the IP address and a first indicator which, in conjunction with the IP address, uniquely identifies the first UE.

Abstract: The embodiments herein relate to common or binding Edge Application Server (EAS) selection in edge computing. In some embodiments, there proposes a method performed by a first network function implementing a Binding Server (BS). In an embodiment, the method may comprise the step of receiving, from a second network function implementing an Edge Enabler Server (EES) within an Edge Data Network (EDN), a request message. The request message may include a first parameter indicating information regarding an application in a User Equipment (UE), a second parameter indicating group information of a UE group, a third parameter indicating information regarding a predetermined EAS for the application of the UE. In an embodiment, the method may further comprise the step of determining a binding EAS to be used for the UE or the UE group based on at least one of the first parameter, the second parameter, and third parameter.

Abstract: Embodiments of the present disclosure provide method and apparatus for application session information management in edge computing. A method performed by an edge enabler server (EES) comprises receiving a first request from an edge enabler client (EEC). The first request comprises service session context and first information indicating an edge application server (EAS) in use. The method further comprises storing the service session context based on the first information.

Abstract: The present disclosure provides a method in a Network Exposure Function, NEF. The method includes: receiving, from an Application Function, AF, a request for dynamically reserving a Reliable Data Service, RDS, port resource in association with a Non-Internet Protocol ‘IP’ Data Delivery, NIDD, configuration, the request containing an indication indicating whether the reserving of the RDS port resource requires confirmation with the terminal device; and transmitting, to the AF, a response to the request.

Abstract: The present disclosure provides a method (400) in a Broadcast Multicast Service Center, BM-SC. The method (400) includes: transmitting (410) a notification of a Multimedia Broadcast/Multicast Service, MBMS, bearer status or session state to a Group Communication Service Application Server, GCS AS, or Content Provider, CP. The notification contains a cause or diagnostic information associated with the MBMS bearer status or session state.

Abstract: The embodiments herein relate to constraint device in edge computing. In some embodiments, there proposes a method performed by a first functional component implementing an enabler function in a User Equipment (UE). In an embodiment, the method may include the step of performing a service provisioning, to obtain information regarding one or more first network functions implementing Edge Enabler Servers (EESs). In an embodiment, the method may further include the step of selecting a first network function from the one or more first network functions. In an embodiment, the method may further include the step of transmitting, to the selected first network function, a first message including a first parameter enabling the selected first network function to perform Edge Application Server (EAS) selection. In an embodiment, the method may further include the step of receiving, from the selected first network function, a second message.

Abstract: The present disclosure is related to support for simultaneous EAP connectivity in ACR. A method by an AC deployed at a UE for supporting simultaneous EAS connectivity in ACR includes: communicating with a T-EAS via a first connection established between the AC and the T-EAS before a second connection between the AC and an S-EAS is released, to trigger an ACT procedure between the T-EAS and the S-EAS.

Abstract: The present disclosure proposes network elements, methods at the network elements for facilitating reuse of IP address, a telecommunications system comprising the network elements. The method at a first network element for facilitating reuse of an IP address at multiple UEs comprising a first UE comprises: transmitting, to a second network element, a first request message associated with the first UE, the first request message comprising the IP address and a first indicator which, in conjunction with the IP address, uniquely identifies the first UE.

Abstract: Embodiments of the present disclosure provide methods and apparatuses for location based group formation. A method performed by a group management server comprises receiving a location based group creation request from a group management client or a vertical application layer (VAL) server. The location based group creation request comprises location information and at least one VAL service identity (ID). The method further comprises obtaining information of at least one VAL user and/or at least one VAL user equipment (UE) corresponding to the location information. The method further comprises obtaining VAL service data of the at least one VAL user and/or the at least one VAL UE. The method further comprises creating a location based group matching the location based group creation request based on the VAL service data of the at least one VAL user and/or at least one VAL UE.

Abstract: Methods performed by an Edge Data Network (EDN) and a User Equipment (UE) for enabling Application Context Change (ACR) are disclosed. More specifically, methods performed by a UE and an EDN node for enabling ACR are provided. The method disclosed herein can provide solutions to many open issues in the Third-Generation Partnership Project (3GPP) standard with respect to applying Application Function (AF) influence during an ACR.

Abstract: The disclosure provides methods, apparatus and computer-readable media for subscribing to, and receiving event notification messages from a CAPIF core function. In one method performed by a subscribing network entity, the subscribing network entity sends an event subscription request message to the CAPIF core function. The event subscription request message comprises an indication of an event filter to be utilized by the CAPIF core function for filtering event notifications to be sent to the subscribing network entity. The event filter comprises an identity of one or more network entities associated with events to be notified to the subscribing network entity.

Abstract: A method of operating a vehicle to anything, V2X, application enabler, VAE, server is provided according to some embodiments disclosed herein. The method includes receiving a registration request message from a V2X application specific server. The method further includes transmitting a registration response message to the V2X application specific server responsive to receiving the registration request message.

Abstract: Embodiments of the present disclosure include methods for a client in an edge data network. Such methods include obtaining an initial access credential before accessing the edge data network. The initial access credential includes or is based on one or more of the following: an indication that the client is a legitimate client, and a client type associated with the client. Such methods include establishing a first connection with a server of the edge data network based on transport layer security (TLS); authenticating the server via the first connection based on a server certificate; and providing the initial access credential to the server, via the first connection, for authentication of the client. Other embodiments include complementary methods for a server and for a credential provider, as well as UEs, network nodes, and/or computing systems configured to perform such methods.

Abstract: The present disclosure provides a method and an apparatus for notifying an application function node about a reliable data service (RDS) configuration of a network. The method implemented at an exposure function node includes: obtaining an RDS configuration of a terminal device; determining an RDS capability of a network; and sending a message including information about the RDS capability of the network to the application function node, if the RDS capability of the network is changed. The RDS capability of the network indicates whether the network supports the RDS. The method implemented at an application function node includes: receiving, from an exposure function node, a message including information about the RDS of the network, if the RDS capability of the network is changed. Data transmissions of the application function node with improper configuration may be avoided.

Abstract: Embodiments include methods of updating a background data transfer (BDT) policy negotiated between an application function (AF) and a core network (CN) of a telecommunication network. Such methods can be performed by a Policy Control Function (PCF) of the CN and can include, in response to receiving a notification of degraded network performance of a network area, determining that the negotiated BDT policy is affected by the degraded network performance and an Application Service Provider (ASP) associated with the negotiated BDT policy requested a warning notification. Such methods can include determining, at least based on operator policies, updated BDT policy information for the negotiated BDT policy, wherein the updated BDT policy information comprises at least one of the following: at least one candidate BDT policy, and updated conditions for the negotiated BDT policy. Such methods can include sending the updated BDT policy information to the AF.

Abstract: A method performed by a User Equipment having a first functional component implementing an enabler function. The method comprises performing an Edge Application Server (EAS) discovery to discover information regarding one or more first network functions implementing EASs as part of an initial service provisioning. The method further comprises selecting at least one first network function for implementing an initial EAS of the one or more first network functions, for providing service to a second functional component implementing application function in the UE. The method further comprises determining a second network function implementing Edge Enabler Server (EES) according to the selected at least one first network function as an initial EAS. The method further comprises transmitting, to the determined second network function, a message for triggering at least one of service session context handling and traffic influence. The message comprises an EAS endpoint of the selected initial EAS.