Abstract: A radio access network, RAN, node of a wireless communication network maintains a radio channel having a network-side termination at the RAN node and a subscriber-side termination at a wireless access device. Further, the RAN node maintains one or more further radio channels. The one or more further radio channels each have a network-side termination at the RAN node and a respective subscriber-side termination at a respective further wireless access device. The RAN node associates the radio channel and the one or more further radio channels to a virtual radio channel for carrying data between the RAN node and the wireless access device. The one or more further wireless access devices are assigned for forwarding data between the wireless access device and the respective further radio channel having its subscriber-side termination at the further wireless access device.

Abstract: A system, method, node, apparatus, and computer program for allocating a flight corridor for use by an UAV (10) for traveling from a starting point to a destination point is presented. The UAV (10) is connected to a cellular network and associated with an Application Server, UAV-AS, (100) being responsible for an own geographical service area (150) where the UAV (10) is located. The UAV-AS (100) is maintaining a set of predetermined flight corridor segments in the geographical service area (150). The method is performed by the UAV-AS (100) and comprises receiving a request for allocation of a flight corridor for use by the UAV (10), the request comprising a starting point and a destination point. The method further comprises allocating a flight corridor being seamlessly covered by the cellular network and allowing a seamless control of the UAV (10) by the UAV-AS (100), the flight corridor comprising a concatenation of flight corridor segments and bridging the starting point and the destination point.

Abstract: An optoelectronic device may include an optoelectronic semiconductor chip that is configured to emit electromagnetic radiation. The chip may include a first semiconductor layer, a second semiconductor layer, first and second current spreading structures, and a plurality of electrical contact elements. The first current spreading layer may be arranged on a side of the second semiconductor layer facing away from the first semiconductor layer. The plurality of electrical contact elements may electrically connect the first semiconductor layer to the first current spreading layer. The second current spreading layer may be electrically connected to the second semiconductor layer. The second current spreading layer may be arranged between the first current spreading layer and the second semiconductor layer where an insulating layer insulates a first electrical contact element and a second electrical contact element from the second current spreading layer.

Abstract: A system, method, node, and computer program for determining a flight start policy to be applied to an unmanned aerial vehicle, UAV, (10) is described. The UAV (10) is associated with a first UAV-Application Server, UAV-AS (100) maintaining a flight policy applicable for the geographical service area (150) where the UAV (10) is located. The method comprising the first UAV-AS (100) determining whether the UAV (10) is going to leave the geographical service area (150) towards a second geographical service area (150), wherein the second geographical service area (150) is associated with a second UAV-AS (130). If so querying by the first UAV-AS (100) a flight policy applicable for the second geographical service area (150) from the second UAV-AS (130), and instructing a received flight policy applicable for the second geographical service to the UAV (10), before the UAV (10) has entered the second geographical service area (150).

Abstract: A system, method, node and computer program for determining a flight policy to be applied to an unmanned aerial vehicle, UAV, (10) is described. The UAV (10) is associated with a first UAV-Application Server, UAV-AS, (100) maintaining a flight policy applicable for a geographical service area (150) where the UAV (10) is located. The method comprising the first UAV-AS (100) determining whether the UAV (10) is going to leave the geographical service area (150) towards a second geographical service area (150). If so, determining by the first UAV-AS (100) a flight policy applicable for the second geographical service area (150), wherein that flight policy is maintained by a second UAV-AS (130). The method also comprises that the first UAV-AS (100) instructs the determined flight policy to the UAV (10), before the UAV (10) has entered the second geographical service area (150).

Abstract: A method of acting upon a restriction in services for an unmanned aerial vehicle, UAV, wherein the UAV is connected to a telecommunication network and wherein the UAV is allowed to utilize one or more services within the telecommunication network, the method comprising the steps of receiving, by the UAV, from a base station in the telecommunication network, access information for being served by the base station, determining, by the UAV, from the access information that at least one service of the one or more llowed services is restricted, determining, by the UAV, an action to be performed based on the at least one restricted service, the action eing at least one of a communication service modification of the UAV, and a physical action of the UAV, and finally performing, by the UAV, the action.

Abstract: A method of adaptively allocating, by a network control function, NWCF, radio resources provided by an advanced antenna system, AAS, of a radio access network, RAN. The AAS has an adaptive radio antenna arrangement configured for serving terrestrial radio user equipments, UEs. The NWCF, upon receiving information of an upcoming demand for radio resources of the RAN for serving aerial vehicle radio user equipments, UEs, maps the demand to radio resources to be allocated by the AAS for serving the aerial vehicle UEs, and instructs the AAS to allocate the radio resources for serving the aerial vehicle UEs by adapting the radio antenna arrangement of the AAS. A network control function, an advanced antenna system, and radio cell site equipment are provided.

Abstract: The present invention relates to concepts underlying the realization of a virtual data session, and in more detail to a virtual data session control device, to a fixed wireless access device supporting a virtual data session, to a user data plane device supporting a virtual data session, to an access and mobility management device supporting a virtual data session, and to related control methods. Here, a virtual data session is an aggregation of at least two data sessions (22, 24) set up between at least two fixed wireless access devices (26, 28) forming a fixed wireless access domain in a cellular infrastructure and a data plane device (20) providing interconnection functionality between the cellular infrastructure and an external data network (18).

Abstract: A technique for verifying a geographical position of an unmanned aerial vehicle, UAV, is disclosed. A computing unit for executing a UAV application server residing in a cellular network and configured to verify a geographical position of a UAV connected to the cellular network comprises at least one processor and at least one memory, wherein the at least one memory contains instructions executable by the at least one processor such that the UAV application server is operable to receive (S202) UAV-based position information indicative of a current geographical position of the UAV determined by the UAV, trigger (S204) obtaining, from at least one entity of the cellular network and based on information associated with the UAV available in the cellular network, network-based position information indicative of a current geographical position of the UAV, and trigger (S206) verifying the UAV-based position information based on the network-based position information.

Abstract: A technique for controlling an unmanned aerial vehicle, UAV, (100) by a regulator entity (612) is provided, wherein the UAV (100) is connected to a cellular network. A method implementation of the technique is performed by the UAV (100) and comprises receiving, from a cellular network entity (604) of the cellular network, a command originating from the regulator entity (612), the command being directed to the UAV (100) and taking precedence in the UAV (100) over commands originating from other entities (608, 610) controlling the UAV (100).

Abstract: A filter element for filtering a fluid is provided with a first end disc and a second end disc. An annularly arranged filter medium is held between the first and second end discs. The filter medium can be flowed through by a fluid to be filtered in a radial direction relative to a longitudinal axis of the filter element from an exterior of the filter element to an interior of the filter element. A fluid outlet socket is connected to the filter medium and extends away from the filter medium in an axial direction past the first end disc. The fluid outlet socket is provided with a wall and at least one vent hole extending through the wall in the radial direction. A fluid filter is provided with a filter housing and with the afore described filter element that is arranged in the filter housing.

Abstract: The application relates to a method for operating a flow control entity configured to control a data packet flow in a radio access network and a transport network of a communications network. It is determined that a transmission condition for the data packet flow through the communications network has changed, and determined through which radio access node the data packet flow is transmitted. A new anchor point for the data packet flow is determined in dependence on the radio access node, and a bearer control entity is informed about the new anchor point.

Abstract: A method, apparatus, and computer program for assisting an unmanned aerial vehicle, UAV, (10) in performing serving radio area re-selection is presented. The UAV (10) is connected via a serving radio area to a cellular network and further is associated with an UAV-Application Server, UAV-AS, (100). The method is performed by the UAV-AS (100) and comprises receiving a request for allocating a flight path for use by the UAV (10) for traveling to a destination point and determining, after allocation of a flight path, a list of radio areas suitable as serving radio area along the allocated flight path and providing the list of radio areas to the requestor to assist the UAV (10) in performing serving radio area re-selection.

Abstract: A technique for selecting an unmanned aerial vehicle, UAV, application server is disclosed. A computing unit for executing a cellular network entity configured to select a UAV application server residing in a cellular network to be assigned to a UAV connecting to the cellular network comprises at least one processor and at least one memory, wherein the at least one memory contains instructions executable by the at least one processor such that the cellular network entity is operable to trigger (S204) selecting, as part of an attach procedure of the UAV to the cellular network, a UAV application server in the cellular network to be assigned to the UAV.

Abstract: A system, method, node, apparatus, and computer program for allocating a flight corridor for use by an UAV (10) for traveling from a starting point to a destination point is presented. The UAV (10) is connected to a cellular network and associated with an Application Server, UAV-AS, (100) being responsible for an own geographical service area (150) where the UAV (10) is located. The UAV-AS (100) is maintaining a set of predetermined flight corridor segments in the geographical service area (150). The method is performed by the UAV-AS (100) and comprises receiving a request for allocation of a flight corridor for use by the UAV (10), the request comprising a starting point and a destination point. The method further comprises allocating a flight corridor being seamlessly covered by the cellular network and allowing a seamless control of the UAV (10) by the UAV-AS (100), the flight corridor comprising a concatenation of flight corridor segments and bridging the starting point and the destination point.

Abstract: A technique for verifying a geographical position of an unmanned aerial vehicle, UAV, is disclosed. A computing unit for executing a UAV application server residing in a cellular network and configured to verify a geographical position of a UAV connected to the cellular network comprises at least one processor and at least one memory, wherein the at least one memory contains instructions executable by the at least one processor such that the UAV application server is operable to receive (S202) UAV-based position information indicative of a current geographical position of the UAV determined by the UAV, trigger (S204) obtaining, from at least one entity of the cellular network and based on information associated with the UAV available in the cellular network, network-based position information indicative of a current geographical position of the UAV, and trigger (S206) verifying the UAV-based position information based on the network-based position information.

Abstract: A system, method, node and computer program for determining a flight policy to be applied to an unmanned aerial vehicle, UAV, (10) is described. The UAV (10) is associated with a first UAV-Application Server, UAV-AS, (100) maintaining a flight policy applicable for a geographical service area (150) where the UAV (10) is located. The method comprising the first UAV-AS (100) determining whether the UAV (10) is going to leave the geographical service area (150) towards a second geographical service area (150). If so, determining by the first UAV-AS (100) a flight policy applicable for the second geographical service area (150), wherein that flight policy is maintained by a second UAV-AS (130). The method also comprises that the first UAV-AS (100) instructs the determined flight policy to the UAV (10), before the UAV (10) has entered the second geographical service area (150).

Abstract: A system, method, node, and computer program for determining a flight start policy to be applied to an unmanned aerial vehicle, UAV, (10) is described. The UAV (10) is associated with a first UAV-Application Server, UAV-AS (100) maintaining a flight policy applicable for the geographical service area (150) where the UAV (10) is located. The method comprising the first UAV-AS (100) determining whether the UAV (10) is going to leave the geographical service area (150) towards a second geographical service area (150), wherein the second geographical service area (150) is associated with the service area of the UAV-AS a second UAV-AS (130). If so querying by the first UAV-AS (100) a flight policy applicable for the second geographical service area (150) from the second UAV-AS (130), and instructing a received flight policy applicable for the second geographical service to the UAV (10), before the UAV (10) has entered the second geographical service area (150).

Abstract: A coalescence element is provided with at least one coalescence medium configured to coalesce water contained in a fluid. The at least one coalescence medium is made of a material with a packing density of at most 10%. The coalescence element is embodied as a single layer formed as a cylindrical jacket and has a fluid path for a fluid between an inlet side and an outlet side of the cylindrical jacket. A filter element with a filter bellows and a support pipe arranged coaxially inside the filter bellows is provided with such coalescence element that is arranged between the filter bellows and the support pipe in the flow direction so as to surround the support pipe at a radial outer side.

Abstract: A technique for selecting an unmanned aerial vehicle, UAV, application server is disclosed. A computing unit for executing a cellular network entity configured to select a UAV application server residing in a cellular network to be assigned to a UAV connecting to the cellular network comprises at least one processor and at least one memory, wherein the at least one memory contains instructions executable by the at least one processor such that the cellular network entity is operable to trigger (S204) selecting, as part of an attach procedure of the UAV to the cellular network, a UAV application server in the cellular network to be assigned to the UAV.