Performance of FM-DCSK Communication Systems with Timing Synchronization Error

Chen, Shaoyuan

doi:10.17706/ijcce.2015.4.4.290-297

Cited by 1 publication

(1 citation statement)

References 7 publications

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“…Because of their simplicity, chaos-based communications offer an alternative solution to conventional Spread Spectrum (SS) technology [38]. The effect of synchronization error in AWGN channel and multipath performances of FM-DCSK and DCSK systems have been evaluated in [39,40]. Various types of channel models including AWGN, Rayleigh and Ricean fading have been considered in the literature to evaluate the performance of noncoherent DCSK system [41][42][43].…”

Section: Introductionmentioning

confidence: 99%

Use of memristor-based chaotic circuits in AM-DCSK and FM-DCSK modulation

Sahin,

Kolumbán,

Hamamci

et al. 2023

Phys. Scr.

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In this paper, digital communications systems are built by taking advantage of hyperchaotic circuits implemented with an active flux-controlled memristor. The signals produced by these hyperchaotic circuits with rich chaotic dynamics obtained by replacing the nonlinear element with the memristor in the Chua circuit and the Wien bridge oscillator are used as carriers in digital communications systems. The dynamic behavior of memristor-based hyperchaotic circuits has a high degree of disorder. Therefore, they offer better system performance in many practical applications such as broadband signal generation, encryption and secure communications compared to the already used ordinary chaotic systems. To demonstrate the excellent system performance of memristor-based chaotic circuits, they are applied to two variants of differential chaos shift keying (DCSK) communications schemes. Both the Amplitude Modulated Differential Chaos Shift Keying (AM-DCSK) and Frequency-modulated differential chaos shift keying (FM-DCSK) have been considered. The Bit Error Rate (BER) performances of the proposed AM-DCSK and FM-DCSK systems are evaluated in an Additive White Gaussian Noise (AWGN) channel.

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