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FAST RETURN FAILURE HANDLING IN A WIRELESS NETWORK
FAST RETURN FAILURE HANDLING IN A WIRELESS NETWORK
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机译:无线网络中的快速返回故障处理
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摘要
A user equipment (UE) may reduce potential delay when attempting to return to a first radio access technology (RAT) after a circuit-switched fall back (CSFB) call releases at a second RAT. The UE may first determine its speed when the CSFB call releases. The UE then suspends a return to the first RAT without searching non-dedicated frequencies of the first RAT. This occurs when the UE speed is above a first predefined threshold and a signal quality of a dedicated frequency of the first RAT, included in a release message from a network of the second RAT or in a record of the UE, is below a second predetermined threshold. The UE may also search non-dedicated frequencies of the first RAT when the UE speed is below the first predefined threshold and the signal quality of the dedicated frequency of the first RAT is below the second predetermined threshold.
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