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Base station system in hybrid network built up, and process method for establishing, switching, and releasing a call

A base station system and hybrid networking technology, applied in transmission systems, digital transmission systems, data switching networks, etc., can solve the problem of no specific distinction between the control plane and the user plane, simplify development and maintenance costs, reduce risks, and protect effect of investment

Active Publication Date: 2007-12-26
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

All transmissions in this system are based on TDM (Time Division Multiplexing) mode, and there is no specific distinction between the control plane and the user plane

Method used

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  • Base station system in hybrid network built up, and process method for establishing, switching, and releasing a call
  • Base station system in hybrid network built up, and process method for establishing, switching, and releasing a call
  • Base station system in hybrid network built up, and process method for establishing, switching, and releasing a call

Examples

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Embodiment Construction

[0037] As shown in Figure 2, the present invention, that is, a hybrid network base station system, includes a BSC, a TC connected to the BSC, and several BTSs, wherein it also includes a bandwidth provided between the BSC, TCs, and BTSs Guaranteed IP network, and supports both IP and traditional TDM transmission between BSC and TC, BTS can be a BTS that supports TDM transmission, or a BTS that supports IP transmission. The following is a detailed introduction to BSC, TC and BTS respectively.

[0038] 1. Base Station Controller (BSC)

[0039] As shown in Figure 9, the base station controller (BSC) is connected between several BTSs and TCs in TDM mode, IP / TDM mixed mode and IP mode respectively, including IP / TDM mode calls based on the base station controller body 1 A link controller 12, a first signaling interface controller 13 and a second signaling interface controller 11 connected to the IP / TDM mode call link controller 12, and an IP packet forwarding unit 14, wherein:

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Abstract

The system thereof comprises: BSC, TC, several BTSs, and an IP network for ensuring a bandwidth between BSC, TC and BTS, and simultaneously supporting both IP transmission and TDM transmission between BSC and TC; wherein, said BTS is a BTS supporting TDM transmission or a BTS supporting IP transmission. The invention can be compatible with TDM such that the service provider can smoothly transit from TDM network to IP network.

Description

technical field [0001] The invention relates to a base station system (BSS) in a hybrid network supporting both IP and traditional TDM and its call establishment, switching and release processing methods. Background technique [0002] Referring to Figure 1, the traditional BSS (Base Station Subsystem) is composed of a Base Transceiver Station (BTS), a Base Station Controller (BSC), a Packet Service Server (MFS) and a TC (Type Converter). To the mobile switching center (MSC), wirelessly connect the mobile terminal (MS) through the BTS. All transmissions in this system are based on TDM (Time Division Multiplexing) mode, and there is no specific distinction between the control plane and the user plane. For the BSC, its external interface involves the ABIS interface from the BTS and the Ater interface from the TC; for the TC, its external interface involves the A interface with the MSC. [0003] Compared with the above-mentioned traditional TDM network, the current IP network ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04Q7/22H04L29/06H04W88/08
CPCH04W92/14H04W88/10H04W36/0066H04W88/12H04W92/12H04W36/14H04W88/08
Inventor 张晓文商群峰刘怡陈章毅彭海
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD