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Method and system for transmitting real-time parallel data stream

A serial data stream, data stream technology, applied in time division multiplexing systems, parallel/serial conversion, electrical components, etc., can solve problems such as poor transmission quality, improve speed, avoid business data conflicts, and be compatible good effect

Inactive Publication Date: 2006-10-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0008] In view of this, the purpose of the present invention is to provide a method for transmitting real-time parallel data streams, realize efficient real-time transmission of parallel data streams in switches, and solve the problem of poor transmission quality when existing TDM parallel data streams are transmitted across chassis question

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  • Method and system for transmitting real-time parallel data stream
  • Method and system for transmitting real-time parallel data stream

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Embodiment Construction

[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0044] The core idea of ​​the present invention is: on the sending side, the parallel data bytes are encapsulated into a data frame containing a frame header, and then the parallel data bytes forming the data frame are converted into serial data streams for output; while on the receiving side, first Locate the frame header of each data frame from the received serial data stream, and convert the serial data stream into a data frame containing the frame header composed of parallel data bytes according to the located frame header, and then get Each data frame decapsulates to restore the original parallel data stream. Thus, the transmission of TDM parallel data streams is realized.

[0045] The basic process of the inventive method is as figure 2 As shown, it mainl...

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Abstract

The invention discloses a method for transmitting real time parallel data flow, which comprises: sealing the parallel data bits into a data frame with frame head, transferring the parallel data bits of the data frame into the serial data flow and output it on the sending side; orienting the frame head of each data frame from the received serial data flow, transferring the serial data flow into the data frame with frame head which is formed by the parallel data bits, at last opening each obtained data frame and recovering the initial parallel data flow to achieve the TDM data flow cross transmission.

Description

technical field [0001] The invention relates to time division multiplexing (TDM) communication technology, in particular to a method and system for transmitting real-time parallel data streams. Background technique [0002] With the rapid development of network communication technology, the traffic carried by the communication network has increased sharply. Correspondingly, higher requirements are placed on the data transmission capabilities of network communication devices such as switches. Existing switches are composed of multiple cascaded chassis. When parallel data streams, such as cross-chassis transmission of TDM data streams, are required, a TDM parallel data frame is composed of eight bits (Bit) in parallel. Therefore, each sending side frame must output the eight bits of data that make up each TDM data frame in parallel through eight output lines, and correspondingly, each receiving side frame must use eight input lines to parallel receive the sending side Parall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/00H03M9/00
Inventor 廖健行李晓华张晋程贵峰
Owner HUAWEI TECH CO LTD
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