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AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorXiaohui WANG
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A method in a wireless communication device for starting a Circuit Switched FallBack, CSFB, in a wireless communication system is disclosed. The wireless communication system comprises one or more Long-Term Evolution, LTE, networks and one or more 2nd or 3rd Generation, 2G/3G, networks. When the communication device is camping in an LTE network and starts a Circuit Switched, CS, service, the wireless communication device sends a CSFB request to a Mobility Management entity, MME, via an access node in the LTE network and starts a first timer and/or a first counter upon sending the CSFB request. When the first timer and/or the first counter is expired and no response to the CSFB request has been received from the LTE networks, it starts a cell search procedure in the 2G/3G networks and starts the CS service via a target cell selected by the cell search procedure in the 2G/3G networks.
A method in a wireless communication device for starting a Circuit Switched FallBack, CSFB, in a wireless communication system, wherein the wireless communication system comprises one or more Long-Term Evolution, LTE, networks and one or more 2nd or 3rd Generation, 2G/3G, networks, and wherein the wireless communication device is camping in an LTE network, the method comprising:
A wireless communication device for starting a Circuit Switched FallBack, CSFB, in a wireless communication system, wherein the wireless communication system comprises one or more Long-Term Evolution, LTE, networks and one or more 2nd or 3rd Generation, 2G/3G, networks, and wherein the communication device is camping in an LTE network, the wireless communication device is configured to:
Dependencies are inferred from the claim text.