Title :
Performance simulation and tap number selection of fractionally spaced DFE
Author :
Chengxiang, Su ; Hongrui, Fang
Author_Institution :
Institute of Electronic Engineering, China Academic of Engineering Physics, Mianyang, China
Abstract :
In order to select the tap number of feedforward filter of a fractionally spaced decision feedback equalizer (FS-DFE), the relationship between the order and the equalization performance was studied. Under the known channel characteristics, in variant signal noise ratio and order of feedforward filter, the optimal tap coefficients of FS-DFE was calculated with given algorithm, then the bit error rate performance was simulated using Monte Carlo method and compared with that of symbol spaced decision feedback equalizer (SS-DFE). Finally a method of how to select the order of FS-DFE feedforward filter based on simulation result was proposed and it could be taken as a reference of FS-DFE engineering design.
Keywords :
Bit error rate; Decision feedback equalizers; Feedforward neural networks; Filtering algorithms; Monte Carlo methods; Niobium; decision feedback; equalizer; fractionally spaced; performance simulation; tap number;
Conference_Titel :
Information Science and Engineering (ICISE), 2010 2nd International Conference on
Conference_Location :
Hangzhou, China
Print_ISBN :
978-1-4244-7616-9
DOI :
10.1109/ICISE.2010.5689765
