Accurate Derivation of Chaos-Based Acquisition Performance in a Fading Channel

Accurate expressions for sequence acquisition in a chaos-based spread-spectrum system are derived using the statistical properties of the chaos-based spreading sequences. The expressions are validated by comparing the analytical predictions of the acquisition performance with the simulation results...

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Bibliographic Details
Published in:IEEE transactions on wireless communications 2012-02, Vol.11 (2), p.722-731
Main Authors: Vali, R., Berber, S., Sing Kiong Nguang
Format: Article
Language:English
Subjects:
acquisition
Acquisitions
Applied sciences
Channels
chaos-based communications
Chaotic communication
chaotic correlation characterization
Computer simulation
Correlation
Derivation
Exact sciences and technology
Fading
Gaussian
Marketing
Noise
Rayleigh channels
Serials
Synchronization
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
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Summary:Accurate expressions for sequence acquisition in a chaos-based spread-spectrum system are derived using the statistical properties of the chaos-based spreading sequences. The expressions are validated by comparing the analytical predictions of the acquisition performance with the simulation results for three channel scenarios. Additive white Gaussian noise and Rayleigh fading channels are considered in the first two scenarios. As the third scenario a blind chip interleaving serial search algorithm is proposed and system performance is shown to improve. The simulation results show excellent agreement with the theoretical results for all three scenarios considered. This is significant as previous examinations of the same have only yielded upper-bounds.
ISSN:1536-1276
1558-2248
DOI:10.1109/TWC.2011.120511.110306