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Communication information process transmission system

A technology of a transmission system and a processing module, applied in the field of communication information processing and transmission system, can solve problems such as large access limitations of ATM services, and achieve the effects of improving system access capability, simplifying complexity and workload, and improving work efficiency

Inactive Publication Date: 2006-09-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In the existing implementation technology, there is only VC-4 ATM access, and the access of ATM services has relatively large limitations

Method used

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  • Communication information process transmission system
  • Communication information process transmission system
  • Communication information process transmission system

Examples

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Embodiment Construction

[0025] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0026] According to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present invention comprises SDH crossover device 1 and ATM switching device 2, as shown in Figure 2, ATM switching device 2 comprises IMA switching unit 21, ATM switching unit 22, ATM switching unit 23. STM interface unit 24, and conversion units of various signals, namely, VC-4&VC-4-xV ATM conversion unit 25 and E3ATM conversion unit 26, VC-4&VC-4-xV ATM conversion unit 25 and E3 ATM conversion unit 26 to perform corresponding processing on corresponding signals respectively.

[0027] Wherein, as shown in Figure 2, VC-4&VC-4-xV ATM conversion unit 25 completes the SDH encapsulation of VC-4 and VC-4-xV signal to the conversion of ATM encapsulation or ATM cell decapsulation, descrambling, carries out Processing of the transmission convergence sublayer, as well as alarm monitoring, performance stati...

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PUM

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Abstract

This invention relates to a communication information process and transmission system of digital information including a SDH cross device and an ATM switch device, in which, the ATM switch device switches the ATM NE by the ATM switch unit to finish the port accumulation and to accumulate the IMA or ATM service to the STM interface unit to be output or sent to the far end by a SDH cross device characterizing that the ATM includes a transformation unit of multiple signals processing related signals and including a VC-4&, VC-4-xV ATM transformation unit and an E3 ATM conversion unit and an IMA port expanding unit is set between the ATM switch unit and the IMA conversion unit.

Description

technical field [0001] The invention relates to digital information transmission, in particular to a communication information processing and transmission system. Background technique [0002] The goal of the 3G network is flat networking and IP-based transmission. Currently, time division multiplexing TDM / asynchronous transfer mode ATM transmission is relatively mature. This relatively mature 3G network is mainly based on ATM packet technology. The radio link controller RNC and NodeBs (logic nodes for WCDMA wireless access) carry services through ATM cells, and applications mainly come from static data services such as short messages and Internet access. [0003] The uplink bandwidth of the 3G base station is 2M ~ 8M, and the maximum will not exceed 16M. Utilizing existing copper cable resources, using one or more cables to transmit E1 signals in IMA (Inverse Multiplex of ATM: ATM inverse multiplexing) mode is a better implementation method. The standard interface of 3G ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/70
Inventor 李喜祥
Owner HUAWEI TECH CO LTD
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