The conventional optical M-ary spread spectrum (M-ary/SS) system requires a correlator with all sequences and and maximum likelihood estimation as the demodulator. The correlator needs to be optimally ...
Abstract: Carrier overlapping pulsewidth modulation (COPWM) is proposed to address the level degradation issue in carrier-based pulsewidth modulation (CBPWM) at low modulation index. Due to its unique ...
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