Performance of a SIMO-CDSK System over Rayleigh Fading Channels

Jun-Yi Duan, Guo-Ping Jiang and Hua Yang

Mathematical Problems in Engineering, 2013, vol. 2013, 1-7

Abstract:

This paper proposes a single-input multiple-output (SIMO) architecture for correlation delay shift keying (CDSK) modulation technique, and the bit error rate (BER) formula is derived under the assumption of the proposed system over Rayleigh fading channels. The new system employs multiple antennas at the receiver end to form a SIMO structure so as to obtain a diversity gain. Theoretical analysis and simulations show that, at a higher signal-to-noise ratio (SNR), the proposed SIMO-CDSK architecture has an outstanding bit error rate (BER) performance in contrast to the conventional single-input single-output (SISO) CDSK and GCDSK communication system; for the given SNR, the diversity gain of the proposed system will be improved with the number of receiver antennas increasing; for different SNRs, the best performance of the proposed system can be obtained by selecting the reasonable spreading factor; because the performance of SIMO-CDSK system is independent of the time delay, the proposed system has better security than GCDSK system.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:532653

DOI: 10.1155/2013/532653

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