Design of a Differential Chaotic on-off keying communication system

محتوى المقالة الرئيسي

Hikmat Najem Abdullah

الملخص

Among the available chaotic modulation schemes, differential chaos shift keying (DSCK) offers the perfect noise performance. The power consumption of DCSK is high since it sends chaotic signal in both of 1 and 0 transmission, so it does not represent the optimal choice for some applications like indoor wireless sensing where power consumption is a critical issue. In this paper a novel noncoherent chaotic communication scheme called differential chaos on-off keying (DCOOK) is proposed as a solution of this problem. With the proposed scheme, the DCOOK signal have a structure similar to chaos on-off keying (COOK) scheme with improved performance in noisy and multipath channels by introducing the concept of differential coherency used in DCSK. The simulation results show that the proposed scheme have achieved more than 3 dB gain in signal-to-noise ratio for AWGN and Rayleigh multipath fading channels at BER=10-3 over COOK scheme.

تفاصيل المقالة

كيفية الاقتباس
"Design of a Differential Chaotic on-off keying communication system" (2013) مجلة الهندسة, 19(04), ص 464–468. doi:10.31026/j.eng.2013.04.04.
القسم
Articles

كيفية الاقتباس

"Design of a Differential Chaotic on-off keying communication system" (2013) مجلة الهندسة, 19(04), ص 464–468. doi:10.31026/j.eng.2013.04.04.

تواريخ المنشور

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