RAN-Controlled Selective Handover Between First and Second RAN:S
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Abstract
The present disclosure relates to a method, in a mobility function (MF) node. The method comprises receiving (S1) information about a mapping to a property, of each of a plurality of radio bearers of a radio device for carrying data traffic between the radio device and a first radio access network (RAN). The method also comprises determining (S2) based on the received (S1) information, that at least one of the radio bearers can be handed over to a second RAN. The method also comprises initiating (S3) a handover command to the radio device instructing the radio device to hand over the at least one radio bearer to the second RAN.
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Citations
41 Claims
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1-23. -23. (canceled)
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24. A method, in a mobility function (MF) node, in a communication network, the method comprising:
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receiving information about a mapping to a property, of each of a plurality of radio bearers of a radio device for carrying data traffic between the radio device and a first radio access network (RAN); determining, based on the received information, that at least one of the radio bearers can be handed over to a second RAN; and initiating a handover command to the radio device instructing the radio device to hand over the at least one radio bearer to the second RAN. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A method, performed in a base station of a cellular RAN, the method comprising:
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receiving information about a mapping to a property, of each of a plurality of radio bearers of a radio device for carrying data traffic between the radio device and the cellular RAN; and forwarding the mapping information to an MF node for use in determining that at least one of the radio bearers can be handed over to a WLAN RAN. - View Dependent Claims (39)
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40. A mobility function (MF) node for a communication network, the MF node comprising:
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a communication interface configured for communicating with one or more nodes of at least a first radio access network (RAN); processing circuitry; and a storage unit storing instructions executable by said processing circuitry whereby said MF node is operative to; receive information about a mapping to a property, of each of a plurality of radio bearers of a radio device for carrying data traffic between the radio device and the first RAN; determine, based on the received information, that at least one of the radio bearers can be handed over to a second RAN; and initiate a handover command to the radio device instructing the radio device to handover the at least one radio bearer to the second RAN.
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41. A base station for a cellular RAN, the base station comprising:
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a radio communication interface for communication with a radio device; processing circuitry; and a storage unit storing instructions executable by said processing circuitry whereby said base station is operative to; receive information about a mapping to a property, of each of a plurality of radio bearers of the radio device for carrying data traffic between the radio device and the cellular RAN; and forward the mapping information to an MF node for use in determining that at least one of the radio bearers can be handed over to a WLAN RAN.
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Specification