Method for mutually switching local exchange chain and non-local exchange chain
A local switching and switching chain technology, applied in the field of mobile communications, can solve problems such as voice quality degradation, voice interruption, and data packets that cannot follow the control plane, so as to improve user experience and avoid voice quality degradation.
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[0028] The present invention provides a method for switching between local switching links and non-local switching links. Send and receive data packets, but only process valid data packets received.
[0029] This embodiment provides a method for switching between a local switching link and a non-local switching link. When the BTS receives an LS link establishment command or a non-LS link establishment command, it adopts a dual-receipt and double-transmission mode, that is, in the state switching process Among them, the BTS not only sends and receives non-LS link data packets (downlink data packets sent by A port, that is, data packets sent by TC, referred to as downlink data packets), but also transmits and receives LS link data packets (uplink data packets sent by the other party’s BTS). packets, referred to as uplink data packets) for sending and receiving. Although BTS can receive data packets of LS links and non-LS links, BTS only selects valid data packets among them for...
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