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A method for realizing AP interface network intercommunication function

A technology of intercommunication function and interface, applied in the field of communication, can solve the problems of wasting network resources, unable to make good use of network resources, etc., and achieve the effect of reducing design changes

Inactive Publication Date: 2011-04-06
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] But at present, it is impossible to use the modulation, demodulation and rate adaptation functions of the traditional Modem chip under the original A interface to realize the IWF function when the Ap interface is connected. Therefore, when the network is upgraded, the operator cannot make good use of the original There are network resources, resulting in a waste of network resources

Method used

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  • A method for realizing AP interface network intercommunication function
  • A method for realizing AP interface network intercommunication function
  • A method for realizing AP interface network intercommunication function

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Embodiment Construction

[0025] The present invention will be described in detail below according to the accompanying drawings and specific examples.

[0026] Fig. 3 is the system structure diagram of the circuit data service when the Ap interface between BSC and CN applied in the present invention, including mobile terminal 101, base transceiver station BTS102, base station controller BSC1 103, IP network, MSCe is mobile switching emulation, MGW is The media gateway and the PSTN network are the public telecommunications switching network.

[0027] The Ap interface is used between BSC and CN (core), the media bearer between BSC and MGW is IP A2P interface, the signaling bearer between BSC and MSCe is IP A1P interface; the core network and PSTN network (public telecom switching network) TDM instant division multiplexing bearer mode is adopted.

[0028] Fig. 4 is a model diagram of circuit-type data service IWF intercommunication resource connection model diagram of the Ap interface between BSC and CN ...

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Abstract

The invention provides a method of realizing IWF function of an AP interface, which is applied in communication field. The invention has the technical proposal that: a mobile terminal launches the circuit data business under an Ap port, MSCe, i.e. mobile switching simulation is coordinated with MGW, i.e. media gateway and inserts TC, i.e. vocoder resource in calling connection. TC completes the conversion between TDM, i.e. time division multiplexing and an IP port, in order to realize the network intercommunication under the Ap port. The invention can multiplex the resource under the prior Apport and reduce changes to design.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for realizing the network intercommunication function of an AP interface. Background technique [0002] The CDMA mobile network implements the traditional circuit-type data service between the PSTN network and the PSTN network through the IWF (Inter-working Function), that is, the network interworking function device. IWF is a device that provides interworking functions between CDMA and PSTN networks. It utilizes the MODEM on the mobile station MS and the IWF, that is, the modem, to provide users with the same function as the wired MODEM to realize circuit data services. [0003] The traditional CDMA 2G core network is connected to the BSC through the A interface. When the MS mobile user initiates a circuit data service, the core network passes the user data accessed from the A interface circuit through the modulation and demodulation and rate adaptation of the Modem chip. It...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L29/06
Inventor 袁磊峰张强关先锋
Owner ZTE CORP
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