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Multitone jamming rejection of FFH/BFSK spread-spectrum system over fading channels

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3 Author(s)
K. C. Teh ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore ; A. C. Kot ; K. H. Li

Analytical expressions for bit-error probability are derived for a fast frequency-hopping binary frequency-shift keying (FFH/BFSK) spread-spectrum communication system over a fading channel with worst-case band multitone jamming (MTJ) and additive white Gaussian noise (AWGN). An FFH system employing either a linear-combining receiver or a clipper receiver is investigated. The desired signal and MTJ are assumed to undergo independent fading, and our analysis, validated with simulation results, shows that the performance of the system is slightly improved as the severity of the MTJ fading is increased. The clipper receiver is found to be superior to the linear-combining receiver when the jamming power is strong. The worst-case MTJ is shown to be more harmful than the corresponding worst-case partial-band noise jamming over a fading channel with AWGN

Published in:

IEEE Transactions on Communications  (Volume:46 ,  Issue: 8 )