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FIR filter optimisation as pre-emphasis of high-speed backplane data transmission

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4 Author(s)
Li, M. ; Dept. of Electron., Carleton Univ., Ottawa, Ont., Canada ; Wang, S. ; Tao, Y. ; Kwasniewski, T.

An FIR filter as pre-emphasis has been used to counteract intersymbol interference (ISI) in high-speed backplane data transmission. A MATLAB program has been developed for optimisation of the FIR filter under LMS criterion. Both a symbol-spaced FIR (SSF) filter and fractionally spaced FIR (FSF) filter are comparatively studied. The determination of tap number and preference of FSF to SSF are discussed.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 14 )