Methods and arrangements in a cellular communication network
First Claim
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1. A method in a User Equipment, UE, comprising at least one radio access communication interface supporting cellular and local ad-hoc communication, the method comprising:
- establishing a local communication to an ad-hoc network; and
sending via a cellular connection, to a node of a cellular network, information about radio resource utilization resulting in resource restrictions for cellular communication due to the local ad-hoc communication, wherein the local ad-hoc communication is prioritized over the cellular communication;
wherein sending the information comprises sending, from the UE to the node of the cellular network, a request that identifies resources that are reserved for the local ad-hoc communication, wherein the request triggers the cellular network to avoid conflicts with the resources that are reserved for the local ad-hoc communication.
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Abstract
The present invention relates to methods and arrangements for resolving radio resource conflicts occurring in radio networks supporting both local ad-hoc communication and cellular communication. The conflicts are resolved by informing the cellular network about radio resource management restrictions due to the local ad-hoc communication needs and resources that are reserved for local ad-hoc communications.
47 Citations
35 Claims
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1. A method in a User Equipment, UE, comprising at least one radio access communication interface supporting cellular and local ad-hoc communication, the method comprising:
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establishing a local communication to an ad-hoc network; and sending via a cellular connection, to a node of a cellular network, information about radio resource utilization resulting in resource restrictions for cellular communication due to the local ad-hoc communication, wherein the local ad-hoc communication is prioritized over the cellular communication; wherein sending the information comprises sending, from the UE to the node of the cellular network, a request that identifies resources that are reserved for the local ad-hoc communication, wherein the request triggers the cellular network to avoid conflicts with the resources that are reserved for the local ad-hoc communication. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method in a network node controlling cellular radio resources of User Equipments, UEs, in a cellular network at least configured to operate according to one radio access technology supporting local ad-hoc communication, the method comprising:
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receiving information from a UE about radio resource utilization resulting in resource restrictions due to a local communication which the UE intends to be involved in; and controlling the cellular radio resources based on the received information, wherein the local communication is prioritized over cellular communication; wherein receiving the information comprises receiving, from the UE, a request that identifies resources that are reserved for the local ad-hoc communication, wherein the request triggers the cellular network to avoid conflicts with the resources that are reserved for the local ad-hoc communication. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A User Equipment, UE, comprising:
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at least one radio access communication interface supporting cellular and local ad-hoc communication, said at least one radio access communication interface is configured to establish a local communication to an ad-hoc network; and a processor configured to send via a cellular connection, to a node of a cellular network, information about radio resource utilization resulting in resource restrictions for cellular communication due to the local ad-hoc communication, wherein the local ad-hoc communication is prioritized over the cellular communication; wherein the processor is further configured to send, from the UE to the node of the cellular network, a request that identifies resources that are reserved for the local ad-hoc communication, wherein the request triggers the cellular network to avoid conflicts with the resources that are reserved for the local ad-hoc communication. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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27. A network node controlling cellular radio resources of User Equipments, UEs, in a cellular network that is at least configured to operate according to one radio access technology supporting local ad-hoc communication, the network node comprising:
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a receiver configured to receive information from a UE about radio resource utilization resulting in resource restrictions due to a local communication which the UE intends to be involved in; and a processor configured to control the cellular radio resources based on the received information, wherein the local communication is prioritized over cellular communication; wherein the receiver is further configured to receive, from the UE, a request that identifies resources that are reserved for the local ad-hoc communication, wherein the request triggers the cellular network to avoid conflicts with the resources that are reserved for the local ad-hoc communication. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
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Specification