Abstract: The application discloses methods and corresponding systems and network devices and/or nodes for enabling user equipment belonging to a home network to access data communication services in a visited network of a wireless communication system. By way of example, there is provided a method that comprises the step of obtaining at least one cryptographic token originating from a network node of the home network of the user equipment and cryptographically signed by a private key associated with the home network, wherein the at least one cryptographic token represents means for accessing data communication services via user data transport functions of the visited network.

Abstract: A method performed by second fronthaul network unit for enabling synchronization with a first fronthaul network unit over a first single optical fiber in a fronthaul network is provided. The method includes receiving a first optical signal on the single optical fiber; and separating the received first optical signal into a second optical signal carrying downlink, DL, radio data traffic having a first optical wavelength and a third optical signal carrying packet-based synchronization messages having a second optical wavelength. The method further includes outputting the separated second optical signal towards a first optical port in the second fronthaul network unit; and splitting the separated third optical signal towards a second optical port in the second fronthaul network unit. A second fronthaul network unit and a first fronthaul network unit and method therein are also provided.

Abstract: Methods and apparatuses for mobile communication systems are disclosed. According to an embodiment, there is provided a method in a mobile communication system having a radio access network, RAN, the radio access network having a first RAN node and a second RAN node connected by a transport network, the transport network having a first transport node and a second transport node, wherein the first RAN node is connected to the first transport node and the second RAN node is connected to the second transport node. The method includes, by the first transport node: determining the status of a transport network connection between the first transport node and the second transport node, generating a message indicating the status of the transport network connection, and initiating transmission of the message to the first RAN node.

Abstract: A method of operating a management node of a wireless mobile/cellular network is discussed, the network including a Radio Access Network (RAN) having a plurality of RAN nodes and a transport network having a plurality of transport nodes. Network data for the wireless mobile/cellular network is collected, wherein the network data include network installation data relating to the pluralities of RAN and transport nodes. A configuration for the wireless mobile/cellular network is automatically provided based on the network data. Responsive to providing the configuration, the configuration is automatically deployed to provide configuration of the pluralities of RAN and transport nodes.

Abstract: A method of assigning data capacity to network slices in a mobile communications network comprises acquiring identifiers of the network slices managed by a device, an indication of types of services being provided in the identified network slices, number of data radio bearers DRBs served by each network slice and number of DRBs served by each service type in each network slice; adding the acquired identifiers, indication of types of services being provided, number of DRBs served by each network slice and number of DRBs served by each service type in each network slice; computing a slice weight for the data capacity to be assigned as a product of an initial weight indicating the data capacity being assigned and the number of DRBs divided by a sum; and assigning the data capacity to said each network slice in accordance with the computed slice weight.

Abstract: It is provided a method for enabling a user device to verify data integrity. The method is performed in a network node and includes: obtaining measurement data indicating resource usage by the user device; obtaining a session identifier; generating a measurement indicator using a one-way function, based on the measurement data; generating an asymmetric cryptographic signature of the session identifier and the measurement indicator, the asymmetric cryptographic signature being based on a private key of a cryptographic key pair of the network node; and storing, in a distributed ledger database, a set of data comprising the asymmetric cryptographic signature, the session identifier and the measurement indicator.

Abstract: The disclosure provides methods, apparatus and computer-readable media for synchronization over an optical network. A method comprises: receiving, from a client, a request to initiate a synchronization service for a client node coupled to the optical communication network; and, in response to the request, establishing a synchronization service to the client node via a virtual synchronization network utilizing the optical communication network. The synchronization service utilizes a bidirectional optical channel established via the optical communication network for the transmission of synchronization data for the client.

Abstract: A method of operating a User Equipment (UE) device may be provided. Installation data relating to an antenna of a radio access network (RAN) node may be obtained, wherein the installation data includes physical installation data including at least one of a height of the antenna, a direction of the antenna, and/or a tilt of the antenna. The installation data may be transmitted from the UE device to a management system for a wireless communication network including the RAN node. Related radio nodes and management nodes are also discussed.

Abstract: The application discloses methods and corresponding systems and network devices and/or nodes for enabling user equipment belonging to a home network to access data communication services in a visited network of a wireless communication system. By way of example, there is provided a method that comprises the step of obtaining at least one cryptographic token originating from a network node of the home network of the user equipment and cryptographically signed by a private key associated with the home network, wherein the at least one cryptographic token represents means for accessing data communication services via user data transport functions of the visited network.

Abstract: The disclosure provides methods, apparatus and computer-readable media for synchronization over an optical network. A method comprises: receiving, from a client, a request to initiate a synchronization service for a client node coupled to the optical communication network; and, in response to the request, establishing a synchronization service to the client node via a virtual synchronization network utilizing the optical communication network. The synchronization service utilizes a bidirectional optical channel established via the optical communication network for the transmission of synchronization data for the client.

Abstract: It is provided a method for enabling a user device to verify data integrity. The method is performed in a network node and includes: obtaining measurement data indicating resource usage by the user device; obtaining a session identifier; generating a measurement indicator using a one-way function, based on the measurement data; generating an asymmetric cryptographic signature of the session identifier and the measurement indicator, the asymmetric cryptographic signature being based on a private key of a cryptographic key pair of the network node; and storing, in a distributed ledger database, a set of data comprising the asymmetric cryptographic signature, the session identifier and the measurement indicator.

Abstract: There is provided a radio base station suitable for a wireless communications network. The radio base station is arranged to request a local IP address from a DHCP server the request including a local port number. The radio base station is further arranged to receive a response from the DHCP server comprising a local IP address, an external IP address and port forwarding information. The radio base station is also arranged to send a service record update to a DNS server, the service record update comprising the service capability information of the radio base station, the external IP address, and the port forwarding information.

Abstract: The disclosure provides methods, apparatus and computer-readable media for synchronization over an optical network. A method comprises: receiving, from a client, a request to initiate a synchronization service for a client node coupled to the optical communication network; and, in response to the request, establishing a synchronization service to the client node via a virtual synchronization network utilizing the optical communication network. The synchronization service utilizes a bidirectional optical channel established via the optical communication network for the transmission of synchronization data for the client.

Abstract: A network node and a method performed by a network node for providing a recommendation associated with a service to a wireless device are provided. The network node is operable in a wireless communication network. The method includes obtaining bandwidth information associated with a radio interface between a radio access node of a Radio Access Network, RAN, of the wireless communication network and the wireless device; and obtaining bandwidth information associated with a transport network of the wireless communication network. The method further includes determining available bandwidth for providing the service to the wireless device based on the obtained bandwidth information associated with the radio interface and the obtained bandwidth information associated with the transport network.

Abstract: Embodiments herein relate to a method performed by a radio network node for enabling communication for a wireless device in a communication network, which communication network comprises a core network with partitioned sets of functionalities, where a first core network node supports a first set of functionalities out of a total set of functionalities in the core network, and the first set of functionalities belongs to a first network slice of the core network and is separated from another set of functionalities. The radio network node receives a connection request from the wireless device comprising an indication, which indication indicates connection to the first network slice. The radio network node retrieves configuration information from a network node for establishing the connection interface, for RAN and/or CN, to the first network slice, and establishes the connection interface towards the first core network node using the retrieved configuration information.

Abstract: The present disclosure relates to a method performed in a radio base station in a radio access network, of collecting characteristics for a path between two IP end-point associated with a radio access transport network to which the radio base station is connected, the method comprising the steps of; receiving an IP address of at least one IP end-point associated with the radio access transport network to which the radio base station is connected; sending a query to a node, in the radio access transport network, for at least one characteristic for a path between two IP end-points. And receiving the at least one characteristics for the path.

Abstract: Congestion control in a telecommunications network, in which a method of congestion control in a transport network is provided. A buffer state of a buffer is monitored by dynamically sampling the buffer such that the sampling rate is adjusted in dependence of the buffer state. Also, a condition indicative of congestion is determined in response to a change of the buffer state exceeding a predetermined limit. In response to determining the condition indicative of congestion, a congestion notification message is created. The created congestion notification message may then be transmitted to a second network node. The second network node may subsequently compensate for a detected congestion on the basis of a received congestion notification message.

Abstract: Back-pressure control in a telecommunications network, in which a method of back-pressure control in a transport network is provided. A buffer state of a buffer is monitored. A condition indicative of back-pressure is also determined in response to a change of the buffer state passing a predetermined limit. In response to determining the condition indicative of back-pressure, a back-pressure notification message is created and, subsequently, transmitted to at least one second network node.

Abstract: Embodiments herein relate to a method performed by a radio network node for enabling communication for a wireless device in a communication network, which communication network comprises a core network with partitioned sets of functionalities where a first core network node supports a first set of functionalities out of a total set of functionalities in the core network of the communication network, and which 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 radio network node receives a connection request from the wireless device comprising an indication, which indication indicates connection to the first network slice.

Abstract: Back-pressure control in a telecommunications network, in which a method of back-pressure control in a transport network is provided. A buffer state of a buffer is monitored. A condition indicative of back-pressure is also determined in response to a change of the buffer state passing a predetermined limit. In response to determining the condition indicative of back-pressure, a back-pressure notification message is created and, subsequently, transmitted to at least one second network node.