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Receiving performance optimization method and device for optical communication system

An optical communication system and technology of receiving performance, applied in the field of optical fiber transmission, can solve the problems of complex control algorithm and insufficient application of error code information, and achieve the effect of improving transmission performance, realizing convenience, speed, and easy digitization.

Active Publication Date: 2012-03-21
莒县石材协会
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Problems solved by technology

The result of this is that the control algorithm of the receiver itself is complicated, but the bit error information is not fully applied

Method used

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  • Receiving performance optimization method and device for optical communication system
  • Receiving performance optimization method and device for optical communication system
  • Receiving performance optimization method and device for optical communication system

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Embodiment Construction

[0041] The main purpose of the present invention is to provide a method and device for optimizing the receiving performance of an optical communication system based on the minimum bit error rate. The core idea is to use the bit error information contained in the signal received by the receiver as a feedback signal, and provide it to The control module based on the bit error information, the control module controls the receiver in real time according to the bit error information, until the bit error rate is the minimum when the receiver regenerates the signal (at this time, it can be considered that the receiver is working at the optimal working point ), so as to optimize the receiving performance of the optical communication system.

[0042] Based on the above ideas, the present invention provides a method for optimizing the receiving performance of an optical communication system, specifically adopting the following technical solutions:

[0043] After demodulating and analyzi...

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Abstract

The invention discloses a receiving performance optimization method and device for an optical communication system, wherein the method comprises the steps of: demodulating and analyzing the signals received by a receiver to obtain information of an error code; regulating the working point of the receiver based on the information of the error; and carrying out feedback control to the receiver. In the method disclosed by the invention, the receiver is controlled by the information relevant to the error code; the information of error code primarily used for correcting and alarming is jointed to the control to the receiver of the optical communication system, so that the transmission performance of the optical communication system can be greatly improved.

Description

technical field [0001] The present invention relates to the technical field of optical fiber transmission, and more particularly, to a method and device for optimizing receiving performance of an optical communication system. Background technique [0002] In engineering practice, the optical communication system is not an ideal digital channel, and the signal will produce distortion and non-isochronous delay during the transmission of the medium, which will cause distortion and jitter, which are finally reflected in the bit error of the system. [0003] In order to ensure the accurate transmission of digital signals on the communication channel between the sending end and the receiving end of the optical communication system, there are mainly two schemes as follows: one is to make both the transmitter and receiver work at the optimal operating point; The receiver can recognize some bit errors and correct them through appropriate coding methods. For the former scheme, the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/08H04B10/12H04B10/06H04B10/60H04L1/00
Inventor 陈建华
Owner 莒县石材协会
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