Method, device and system for implementing IP A interface in second generation mobile communication system
A mobile communication system and A-interface technology, which is applied to the realization of A-interface IP, can solve the problems of waste of transmission resources, reduce voice quality, waste, etc., and achieve the effects of saving equipment costs, improving voice quality, and reducing transmission costs.
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[0035] In the embodiment of the present invention, the networking structure of the A interface after IP conversion is as follows: image 3 As shown, the IP transmission technology is used on the A interface instead of the TDM transmission technology.
[0036] In the implementation of the present invention, a technical scheme for implementing IP-based A interface in the second-generation wireless communication network is provided, so as to realize IP-based processing of the A interface between the base station control device and the media gateway. Specifically, it may be as follows: firstly, the base station control equipment such as BSC (base station controller) performs the processing of removing the encapsulation of the rate adaptation unit TRAU (that is, the TRAU termination processing) on the received wireless side data, and obtains the static payload data through compressed speech coding; after that Encapsulating the compressed voice coded payload data into an IP packet...
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