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Data transmission system and method

A technology of a data transmission system and a data transmission method, which is applied in the field of communication, and can solve problems such as dissimilarity, large loss in high-frequency parts of data, and specified rate, etc., to achieve the effects of reducing loss, increasing transmission distance, and reducing bit error rate

Inactive Publication Date: 2009-02-18
ANALOGIX CHINA SEMICON
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Problems solved by technology

[0003] However, in practical applications, the actual data bandwidth and rate required by different applications are different, and the actual required data bandwidth may be between 0 to 10Mbps / s, 10 to 100bps / s, or 100 to 1000bps / s between
Moreover, the higher the rate, the greater the loss of the high frequency part of the data
[0004] In the prior art, there is no non-standard rate Ethernet, that is, IEEE 802.3 does not specify a rate between 10Mbps / s, 100Mbps / s, and 1Gbps / s, and there is no standard rate equipment and non-standard rate. Rate interconnection method and / or system

Method used

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  • Data transmission system and method

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Embodiment Construction

[0020] The specific implementation manners of the present invention will be described in detail below with reference to the accompanying drawings.

[0021] Such as figure 1 As shown, a clock signal (clock) needs to be provided to each physical layer device of the Ethernet. By changing the clock frequency of the system, the Ethernet physical layer device can send and receive data at a non-standard rate. By changing the clock signal provided to the Ethernet physical layer device, the physical layer device of the Ethernet can be operated at a non-standard speed state, and a non-standard speed Ethernet system can be formed.

[0022] For example, the working clock frequency (clock) of the standard Ethernet system of 10Base-T is F1, and its transmission rate is 10Mbps / s, if the non-standard transmission rate of XMbps / s is to be realized, then adjust the working clock frequency of the Ethernet system F2 is F2=F1*(X / 10), wherein, F1 is the working clock frequency of the standard rate...

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PUM

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Abstract

The invention discloses a data transmission system and method. The data transmission system comprises: a data receiving device, for receiving data from standard velocity Ethernet and / or non-standard velocity Ethernet; a data buffer device, for buffering data received by data receiving device; and a data transmission device, for transmitting buffering data from data buffer device by data transmission velocity of standard velocity Ethernet and / or non-standard velocity Ethernet. The inventive data transmission system can transmits Ethernet data by non-standard velocity, so reduces high frequency spoilage and code error rate of transmission data, and promotes anti-interference ability and transmission distance.

Description

technical field [0001] The present invention relates to the field of communications, and more particularly to a data transmission system and method. Background technique [0002] IEEE 802.3 stipulates that the speed of standard Ethernet is 10Mbps / s, 100Mbps / s, and 1Gbps / s. [0003] However, in practical applications, the actual data bandwidth and rate required by different applications are different, and the actual required data bandwidth may be between 0 to 10Mbps / s, 10 to 100bps / s, or 100 to 1000bps / s between. Also, the higher the rate, the greater the loss of the high frequency part of the data. [0004] In the prior art, there is no non-standard rate Ethernet, that is, IEEE 802.3 does not specify a rate between 10Mbps / s, 100Mbps / s, and 1Gbps / s, and there is no standard rate equipment and non-standard rate. Rate interconnection methods and / or systems. Contents of the invention [0005] In view of one or more problems described above, the present invention provides a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L1/00H04L12/28
Inventor 姚飞吴小军匡俊华
Owner ANALOGIX CHINA SEMICON
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