Iterative Stochastic Resonance Demodulation Algorithm of Frequency-Hopping Signal

doi:10.16182/j.issn1004731x.joss.201801045

Abstract

Abstract: In order to improve the demodulation performance of frequency-hopping signals, this paper proposes a digital receiving algorithm based on the bistable stochastic resonance. With the digital samples sifting, the algorithm processes multiple frequency signals in one stochastic resonance system. The conversion from channel noise to useful signal is improved with multiple iterations of signal system. Finally, the local signal is designed to eliminate the frequency distortion in stochastic resonance system through the relevant calculation. Theoretical analysis and simulation results show that the algorithm can demodulate frequency-hopping signal, and its performance can be improved with the increase of sampling rate. With high sampling rate, the demodulation performance is 2 dB higher than the existing single random resonance detection system.

Key words: wireless communication, stochastic resonance, iterative, frequency-hopping, sampling

CLC Number:

TN918

Li Haixia, Ren Yongfeng, Yang Yuhua, Zhang Baili, Tian Zhumei. Iterative Stochastic Resonance Demodulation Algorithm of Frequency-Hopping Signal[J]. Journal of System Simulation, 2018, 30(1): 341-347.

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