CIRCUIT SWITCHED FALLBACK
    1.
    发明申请
    CIRCUIT SWITCHED FALLBACK 审中-公开
    电路开关电源

    公开(公告)号:US20160345210A1

    公开(公告)日:2016-11-24

    申请号:US15114718

    申请日:2015-02-23

    Abstract: Technology for facilitating circuit switched fallback (CSFB) for a user equipment (UE) is disclosed. A mobility management entity (MME) can receive an optimized CSFB capability indicator from the UE. The MME can receive a requested service type associated with the UE. The MME can initiate a single radio voice call continuity (SR-VCC) handover of the UE to a circuit switched network based on the optimized CSFB capability of the UE. The MME can send an S1 application protocol (S1-AP) request message to an evolved node B (eNB). The S1AP message can include the optimized CSFB capability indicator and a single radio voice call continuity (SRVCC) indicator for the UE. The MME can receive a handover required message from the eNB.

    Abstract translation: 公开了一种便于用户设备(UE)的电路交换回退(CSFB)的技术。 移动性管理实体(MME)可以从UE接收优化的CSFB能力指示符。 MME可以接收与UE相关联的所请求的服务类型。 基于UE的优化的CSFB能力,MME可以发起UE到电路交换网络的单个无线电语音呼叫连续性(SR-VCC)切换。 MME可以向演进节点B(eNB)发送S1应用协议(S1-AP)请求消息。 S1AP消息可以包括用于UE的优化的CSFB能力指示符和单个无线电语音呼叫连续性(SRVCC)指示符。 MME可以从eNB接收切换所需的消息。

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