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PePerformance of Coherent M-ary PSK Systems in an Impulsive and Gaussian Noise Environment

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2 Author(s)
Oshita, S. ; Shinshu University, Matsumoto, Japan ; Feher, Kamilo

The general probability of error expressions of coherentM-ary PSK (M = 2, 4, 8, 16) systems in the presence of both impulsive and Gaussian noise are derived. This work is an extension of our paper related to BPSK and DPSK systems in a complex interference environment [1]. The presented impulsive and Gaussian channel disturbance is a first-order approximation to operational multichannel satellite and terrestrial microwave systems in which, in addition to front-end Gaussian noise, out-of-band intermodulation noise may be present. Our analysis contains an extension of the method developed by Bello and Esposito [2], [3], to include the Gaussian as well as the impulsive noise environment. The numerical results show that a well defined threshold region exists, above which the effect of the impulsive noise on the system performance is predominant.

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Communications, IEEE Transactions on  (Volume:30 ,  Issue: 11 )