Effect of a Root-Raised-Cosine Filter on a BPSK Stochastic Resonance Receiver

Yasuo Nakashima, Hiroya Tanaka, Takaya Yamazato, Yukihiro Tadokoro, and Shintaro Arai

stochastic resonance, wireless communication, BPSK, bandlimit, root-raised-cosine filter, roll-off factor
Signal filtering is necessary for wireless communication. However it causes the signal am- plitude to fluctuate and affects the performance of stochastic resonance (SR) receivers. In this study, we evaluate the bit error rate (BER) performance of filtered binary phase-shift keying (BPSK) on an SR receiver. The results show that filtering improves the BER performance of the SR receiver because the amplitude fluctuation contributes to improving the SR effect. We also evaluate the effect of the roll-off factor, which determines the bandwidth of the filter and the amplitude fluctuation. The results demonstrate the applicability of the SR receiver to bandlimited BPSK signals.

Effect of a Root-Raised-Cosine Filter on a BPSK Stochastic Resonance Receiver

NOLTA, IEICE

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