Method for carrying out self adaptation in optical network according to rate and signal transmission device

A signal transmission and self-adaptive technology, applied in the field of optical networks, can solve the problems of increasing labor and management costs, increasing equipment hardware costs, etc., and achieve the effect of reducing hardware costs and labor and management costs.

Inactive Publication Date: 2010-08-11
RAISECOM TECH
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Problems solved by technology

[0004] If the signal transmission device can only realize the 3R function for a single rate, that is, one device only supports one rate, it will inevitably bring a lot of inconvenience to various aspects such as engineering installation, equipment debugging, configuration management, etc., which not only increases the equipment hardware costs, but also increased manpower and management costs

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  • Method for carrying out self adaptation in optical network according to rate and signal transmission device
  • Method for carrying out self adaptation in optical network according to rate and signal transmission device
  • Method for carrying out self adaptation in optical network according to rate and signal transmission device

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Embodiment Construction

[0042] The solution of the present invention is aimed at the characteristics of many types of user rates in the optical fiber access network, and proposes a set of self-adaptive solutions that can cover multiple rates. By judging whether the rate of user data received by the service input port is the same as the current set rate, if Same, the rate out-of-lock alarm is set to the normal state, otherwise the rate out-of-lock alarm is set to the alarm state; monitor the rate out-of-lock alarm, if it is detected that the rate out-of-lock alarm appears in the alarm state, then reconfigure the current rate, And turn to the aforementioned step of judging whether the rates are the same; if it is detected that the rate out-of-lock alarm is normal, perform retiming, reshaping, and reamplification processing on the user data. This solution can effectively avoid repetitive production, realize 3R functions for multiple standard rates, and realize 2R or 3R functions for non-standard rates. ...

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Abstract

The invention discloses a signal transmission device in an optical network, which comprises a business input port, a business output port, a control unit, a clock recovery module and a storing unit. A self-adaptation adjusting mechanism is started under the condition that the rate of user data received by the business input port is different from the current set rate; and the set rate is automatically adjusted to be the same with the actual rate of the user data, and the retiming, reshaping and re-amplification processing is carried out on the user data. In addition, the reshaping and re-amplification processing is carried out on the user data under the condition of self-adaptation adjusting failure. The invention also discloses a method for carrying out self adaptation in an optical network according to the rate. The scheme can carry out self adaptation specific to different rates and reduce the hardware cost of equipment and the labor and management cost.

Description

technical field [0001] The invention relates to the technical field of optical networks, in particular to a method for performing self-adaptation according to a rate in an optical network and a signal transmission device. Background technique [0002] In the signal transmission device in the optical network, common standard rate signals, such as synchronous transmission module-1 (STM-1), STM-1 with forward error correction (STM-1FEC), STM-4, STM-4 with forward error correction (STM-4FEC), STM-16, STM-16 with forward error correction (STM-16FEC), Fast Ethernet, Gigabit Ethernet and Gigabit with forward error correction Ethernet services, etc., perform optical-electrical-optical conversion, and realize retiming, reshaping, and reamplification (3R) functions. The signal transmission device includes but not limited to a fiber optic transceiver and an optical wavelength converter. [0003] Optical networks often have more than one service rate, especially for optical fiber acce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/13H04B10/17H04B10/25
Inventor 宋杰王伟孙强冯伯韬许欣
Owner RAISECOM TECH
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