Monitoring And Suppression Of Chromatic Dispersion Using Electronic Equalizer In Fiber Optic Communication Link
Journal: International Journal of Technology Enhancements and Emerging Engineering Research (IJTEEE) (Vol.3, No. 9)Publication Date: 2015-09-25
Authors : Mehtab Singh;
Page : 39-41
Keywords : Keywords dispersion compensation; equalization; Electronic Equalizer; ISI;
Abstract
ABSTRACT Dispersion phenomenon limits the performance of an optical fiber communication link very often which causes the optical pulse to broaden as they travel through the fiber. These expanded pulses may overlap with each other at the output giving rise to Intersymbolic Interference ISI. Dispersion posses a great hindrance to achieve high data rates and longer links in fiber optic communication system and hence dispersion compensation has become an issue of great importance. One of the methods to reduce ISI in signal is equalization of received signal. In this paper investigation has been done an adaptive equalization to reduce ISI caused by dispersion in optical links. Simulations are performed using Electronic Equalizer in order to monitor and suppress dispersion in optical links. Considerable improvement in the overall quality of signal can be seen in results of these simulations. Q factor before equalization was measured and found to be 64.037. Q factor was shown to improve after equalization and attained highest value of 102.843 when leakage factor was taken to be 1 step size 0.003 forward tap space 2 and no of forward taps 4.
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Last modified: 2015-11-13 19:01:11