Coded performance of a fast frequency-hopped noncoherent BFSK ratio statistic receiver over a Rician fading channel with partial-band interference
Betancourt R., Miguel A.
Ha, Tri T.
Robertson, R. Clark
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A frequency-hopping binary frequency shift keying (BSFK) ratio-statistic receiver with multihops per data bit is an effective electronic counter-countermeasures (ECCM) system against partial-band jamming interference. Interference is modeled as Gaussian noise. Orthogonal binary signaling and independent fading diversity is considered over frequency-nonselective, slow fading Rayleigh, Rician, and Gaussian channels. A forward error correcting coding scheme is implemented for a 1/2 rate convolutional code algorithm. The probability of bit error is examined for different levels of diversity, thermal noise, severity of fading, fraction of bandwidth jammed, and jamming power. Uncoded and coded system comparisons are done to determine worst case performance.
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