CIRCUIT-SWITCHED FALLBACK DELAY MITIGATION
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United States of America Patent
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Issued Date -
Apr 30, 2015
app pub date -
Oct 31, 2013
filing date -
Oct 31, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
System and methods for mitigating circuit-switched fallback delay. A user equipment may initiate connection of the user equipment to a packet-switched network. A request may be sent by the user equipment to the packet-switched network to access a circuit-switched service. A timer may be started to determine elapsed duration between sending the request and receiving a response from the packet-switched network that confirms resource allocation to access the circuit-switched service. The user equipment may select in response to timer expiration, indicating absence of response to the request, a particular algorithm when implemented initiates connection of the user equipment to a particular circuit-switched network to access the circuit-switched service.
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