Hundred megabyte Ethernet extra information transmission method and transmission implementing system

An additional information, Ethernet technology, applied in the field of additional data transmission system, to achieve the effect of low implementation cost, improved bandwidth utilization, and low technical complexity

Inactive Publication Date: 2009-03-18
SHANGHAI UNIV
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  • Abstract
  • Description
  • Claims
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  • Hundred megabyte Ethernet extra information transmission method and transmission implementing system
  • Hundred megabyte Ethernet extra information transmission method and transmission implementing system
  • Hundred megabyte Ethernet extra information transmission method and transmission implementing system

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Embodiment Construction

[0019] An embodiment of a communication system based on the use of Fast Ethernet frame intervals to transmit additional data in the present invention is described in detail as follows:

[0020] The method for transmitting additional information in the Fast Ethernet is to use the inherent gap between the data frames before and after the Fast Ethernet to insert data to transmit the additional information.

[0021] The additional information transmitted is clock synchronization information or control signals.

[0022] see figure 1 , for realizing the above method, the system for transmitting additional information in Fast Ethernet includes the first communication terminal (1) connected to the first Ethernet protocol physical layer module (2), the first Ethernet protocol physical layer module (2) Connect the second ether protocol physical layer module (10) of another party system through Ethernet, the second ether protocol physical layer module (10) connects the second communicat...

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Abstract

The invention relates to method for transmitting additional information in a 100 m Ethernet and a system of the method. The transmission method mainly utilizes fixed frame gaps between 100 m Ethernet data frames to transmit the additional data, such as time synchronization information and control information. The communication system based on the idea mainly comprises a mobile terminal, an Ethernet protocol physical layer module and an MII interrupt processing module, and the Ethernet protocol physical layer module switches information of terminals hierarchically, which is convenient for the MII interrupt processing module to insert data and to extract and analyze the data. The method utilizes the fixed frame gaps between the 100 m Ethernet data frames to transmit the additional data, which no longer occupies the in-band bandwidth of the Ethernet package, and the method is a novel data transmission method which has on interference to the normal Ethernet packet transmission and greatly improves the utilization of the bandwidth.

Description

technical field [0001] The invention relates to an additional data transmission system applied to Fast Ethernet. A method and system applicable to transmitting extra information in 100M Ethernet are proposed. Background technique [0002] Since the invention of Ethernet technology, the transmission medium has changed from thick copper wire to optical fiber, and the distance has ranged from hundreds of meters to hundreds of kilometers, and its rate has also developed from 10Mbit / s to the current 10Gbit / s. And wide area network has been widely used. Although the rate of Ethernet continues to increase rapidly, it still cannot keep up with people's geometric growth requirements for network bandwidth. Therefore, improving the utilization rate of network bandwidth resources can make the network serve people better. [0003] The original Ethernet is connected end-to-end, and each user is configured with an actual physical connection. This network link configuration scheme has a ...

Claims

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Application Information

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IPC IPC(8): H04L12/28H04L12/56H04L29/08H04L12/70
Inventor 张俊杰韩盛杰陈健宋英雄洪亮
Owner SHANGHAI UNIV
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