Method, site and system for compensating transmission delay deviations among synchronous transmission channels

A technology of synchronous transmission and transmission delay, applied in the field of communication, can solve the problems of difficulty, the inability of intermediate stations to monitor and control the synchronous transmission channel, and impracticability, so as to achieve the effect of eliminating skew

Inactive Publication Date: 2010-10-27
HUAWEI TECH CO LTD
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  • Abstract
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Problems solved by technology

[0005] Intermediate sites cannot monitor and control the skew between synchronous transmission channels. The more intermedi

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  • Method, site and system for compensating transmission delay deviations among synchronous transmission channels
  • Method, site and system for compensating transmission delay deviations among synchronous transmission channels
  • Method, site and system for compensating transmission delay deviations among synchronous transmission channels

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] Such as figure 1 As shown, a method for compensating transmission delay deviation between synchronous transmission channels provided by an embodiment of the present invention includes: the source station splits the high-speed signal into multiple low-speed signals and sends them to the intermediate station, wherein each split The divided low-speed signals all contain alignment marks; the intermediate station compares the transmission delay deviation of ...

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Abstract

The embodiment of the invention discloses a method, a site and a system for compensating transmission delay deviations among synchronous transmission channels. The method comprises the following steps: a source-end site resolves high-speed signals into multiple low-speed signals and sends the low-speed signals to an intermediate site, wherein each resolved low-speed signal includes an alignment identification; the intermediate site compares the transmission delay deviations of the received multiple low-speed signals based on the alignment identification, and aligns and sends the multiple low-speed signals; a destination-end site compares the received transmission delay deviations of the received multiple low-speed signals based on the alignment identification, aligns the multiple low-speed signals, and recovers the high-speed signals, so that the transmission delay deviations among synchronous transmission channels can be well eliminated, and the transmission delay deviations among synchronous transmission channels can be still eliminated under the condition of passing through multiple intermediate sites.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method, a station and a system for compensating transmission delay deviation between synchronous transmission channels. Background technique [0002] In the transmission system, in order to expand the bandwidth of the optical fiber system and increase the capacity of a single channel, it has become the most direct and effective way. The 40G transmission system is gradually commercialized, and the 100G rate system is also under study; due to the limitations of optical fiber dispersion and nonlinearity, etc. Influenced by key factors restricting communication speed and distance, the method of splitting high-speed signals into several low-speed synchronous signals is generally used to achieve transmission, such as 100GE, using inverse multiplexing, using 10 OTU2V signals, a function standardized The OTU (Optical Channel Transport Unit, Optical Channel Transport Unit) is use...

Claims

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Application Information

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IPC IPC(8): H04J3/06H04Q11/00H04L12/56
Inventor 崔秀国向晖高伟
Owner HUAWEI TECH CO LTD
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