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A method for automatically calibrating the transmission power of the sensor

A transmission power, automatic calibration technology, applied in the direction of eliminating distortion/dispersion, optical fiber transmission, electrical components, etc., can solve problems such as low calibration accuracy and complicated operation of BOB modules

Active Publication Date: 2018-11-02
江西网是科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for automatically calibrating BOB transmission power, which mainly solves the problems of complex operation and low calibration accuracy in the calibration method of BOB module transmission power

Method used

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  • A method for automatically calibrating the transmission power of the sensor

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Embodiment

[0083] The present invention provides a method for automatically calibrating BOB transmission power, the method is based on a hardware system such as figure 1 As shown, the system consists of a host computer 1 , an optical power meter 2 and a BOB module 3 . The optical power meter 2 and the BOB module 3 are eight, and all the BOB modules are connected to the optical power meter one by one through the optical fiber, and all the optical power meters are connected to the host computer 1 through the USB interface, And all the BOB modules are also connected with the host computer 1 through the Eth interface.

[0084] According to the above hardware structure, the implementation process of the present invention will be introduced below.

[0085] First, an integrity check is performed on the system's fiber optic lines. Due to the loss of the optical fiber cable, in order to ensure the sending and receiving optical power of the system, it is necessary to check whether the optical fi...

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Abstract

The present invention discloses a method of calibrating a BOB sending power automatically. The method comprises the steps of (1) determining the integrity of an optical fiber line; (2) selecting the optical power values of TxPower 1 and TxPower 2; (3) obtaining a sending optical power reference value TxPower and an APC reference value Y; (4) carrying out the traversal by a successive approximation method to obtain the values of Y1, TxPower 1' and ADC x1; (5) if TxPower 1<=TxPower <= TxPower 2, setting a relocation mark to be false, and obtaining the values of Y2, TxPower 2' and x2 according to the mode of the step (4); if no, setting the relocation mark to be real, making Y=Y1 and TxPower=TxPower 1', and carrying out the traversal by the successive approximation method to obtain the values of Y2, TxPower 2' and x2; (6) calculating the values of slope and offset; (7) calculating the values of TxPowerSlope and TxPowerOffset; (8) writing the values of TxPowerSlope and TxPowerOffset in a BOB module register to calibrate the APC value; (9) selecting a sending optical power value TxPower3 to calculate the value of Y3; (10) obtaining a luminescence value Z and the value of TxPower 4; (11) determining whether the absolute value of (TxPower 4-Z) is not more than 0.5dbm, if yes, determining the calibration to pass, if no, determining the calibration to fail. The method of the present invention realizes the automatic calibration of the BOB sending power, is convenient to operate and is high in calibration precision.

Description

technical field [0001] The present invention relates to a BOSA on board (BOSA On Board, BOB for short) technology, in particular to a method for automatically calibrating BOB transmission power. Background technique [0002] Although the network has fully popularized the public, ADSL technology is still the mainstream. With the continuous expansion of the scope of network use, users have higher and higher requirements for the network, and with the reduction of the production cost of optical fiber cables, both the majority of users, equipment manufacturers and operators have all set their sights on optical fiber network access. into technology. [0003] However, the high price of optical fiber access network equipment has always been the key and difficult problem for the popularization of fiber-to-the-home. Therefore, finding a low-cost technical equipment that can be produced and used has become the focus of current access network research technology. BOSA is referred to a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/079H04B10/2507H04B10/80
Inventor 张春雄
Owner 江西网是科技有限公司
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