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We study multicarrier on-off keying (MCOOK) for fast frequency-hopping (FFH) multiple-access systems. The performance of a sub-optimum receiver is analyzed for Rayleigh fading channels and a closed form expression for bit error rate (BER) has been derived for the binary case. We find that the number of chips per symbol required to optimize the perfor- mance of the system varies from system to system. Comparison with FFH M-ary frequency shift keying (MFSK) shows that in the interference-limited region (large MAI), MCOOK performs better than MFSK and further, the gain in the performance increases with increase in the value of modulation index M.
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Sharma et al. (2007) studied this question.
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