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Fourier-Bessel error performance analysis and evaluation of M-ary QAM schemes in an impulsive noise environment

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3 Author(s)
Kosmopoulos, S.A. ; Space Eng. SRL, Rome, Italy ; Mathiopoulos, P.T. ; Gouta, M.D.

Closed-form expressions are derived for the error rate performance of coherent M-ary quadrature amplitude modulated (QAM) systems in the presence of an additive combination of Gaussian and highly impulsive noise, using the Fourier-Bessel series expansion method. Analytical as well as computed simulated results are presented for 16, 64, and 256 QAM systems. The analytical results demonstrate a negligible truncation error and an accuracy ranging from approximately 1 dB for the 16 QAM scheme up to 3.5 dB for the 256 QAM scheme. The numerical evaluation of the closed-form expressions has been performed much faster than the corresponding computer simulation procedure. Hence, the validity of Fourier-Bessel analysis as a fast and accurate performance evaluation tool for high-level digital modulation schemes in complex interference environments is verified

Published in:

Communications, IEEE Transactions on  (Volume:39 ,  Issue: 3 )

Date of Publication:

Mar 1991

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