Simultaneous acquisition of a td-scdma network in circuit-switched fallback from tdd-lte systems
AssigneeQUALCOMM Incorporated
InventorsTom Chin, Guangming Shi, Kuo-Chun Lee, Thawatt Gopal
Life of this patent
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Abstract
In mobile user equipment (UE) configured to allow for operation on multiple wireless communication networks, such as on a TD-SCDMA network or on a TDD-LTE network, an improved method for handing over a circuit-switched call is offered. The proposed circuit-switched fallback procedure, employing an improved UE hardware architecture, allows for certain connection setup procedures to occur in parallel, such as the UE pre-acquiring the TD-SCDMA cell. The parallel operations thus speed up the circuit-switched fallback procedure and reduce existing delays in executing circuit-switched fallback from TDD-LTE to TD-SCDMA networks.
Claims20
A method for wireless communication, comprising:
- communicating with a first radio access network to obtain information relating to a circuit switched fall back to a second radio access network;
- and
- initiating communications with the second radio access network during the communicating.
A user equipment (UE) configured for wireless communication, the user equipment comprising:
- means for communicating with a first radio access network to obtain information relating to a circuit switched fall back to a second radio access network;
- and
- means for initiating communications with the second radio access network during the communicating.
A computer program product, comprising:
- a non-transitory computer-readable medium having program code recorded thereon, the program code comprising:
- program code to communicate with a first radio access network to obtain information relating to a circuit switched fall back to a second radio access network;
- and
- program code to initiate communications with the second radio access network during the communicating.
A user equipment (UE) configured for wireless communication, comprising:
- at least one processor;
- and
- a memory coupled to said at least one processor,
- wherein said at least one processor is configured:
- to communicate with a first radio access network to obtain information relating to a circuit switched fall back to a second radio access network;
- and
- to initiate communications with the second radio access network during the communicating.
Dependencies are inferred from the claim text.