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A chaotic direct-sequence spread-spectrum communication system
IEEE Transactions on Communications, 1994The use of chaotic sequences as spectral spreading sequences in direct-sequence spread-spectrum (DS/SS) communication systems is proposed. The error probabilities of such systems are investigated and shown to be, for all practical purposes, identical to the conventional DS/SS systems which use binary signature sequences. Among the advantages of the use
C D McGillem
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Detectability of Chaotic Direct-Sequence Spread-Spectrum Signals
IEEE Wireless Communications Letters, 2015Chaotic spreading sequences were previously proposed for use in direct-sequence spread-spectrum (DSSS) communications systems, and it was suggested that the nonbinary nature of these sequences would result in an improvement in the low probability of intercept (LPI) performance of the signal.
Mahmoud Farhang
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Markov oscillators and direct sequence spread spectrum
Proceedings of ICC'97 - International Conference on Communications, 2002This paper presents a concept under development, that of dynamically coloring the spectrum of a pseudorandom spreading code in order to aid slow rate data communication in a very poor channel. The method seems to hold promise for some difficult industrial communications problems, especially for wireless random access communications in time varying ...
John E. Hershey, Amer A. Hassan
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Direct-Sequence Spread Spectrum with Variable Spreading Sequence for Jamming Immunity
2019 16th International Bhurban Conference on Applied Sciences and Technology (IBCAST), 2019Jamming attacks can limit the availability of wireless networks and can lead to significant re-transmissions and increased power consumption. Over the past decades DSSS has been utilized to consolidate jamming-resistant communication. Such a system is relatively immune to jamming interference when the spreading sequence is unknown to the jammer ...
Muhammad Ahsan Munir +1 more
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Neural Direct Sequence Spread Spectrum Acquisition
2004A neural network model is described which simulate the Parallel Matching Filtering (PMF) for Direct Sequence Spread Spectrum (DSSS) signal acquisition. This system is based on training the Counter Propagation Network (CPN) in all half chip phase shifts of the Pseudo Noise (PN) code.
Tarek Elhabian, Bo Zhang, Dingrong Shao
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Trellis-coded direct-sequence spread-spectrum communications
IEEE Transactions on Communications, 1994This paper considers the application of trellis coding techniques to direct-sequence spread-spectrum multiple-access (DS/SSMA) communication. The unique feature of the trellis codes considered is that they are constructed over the set of possible signature sequences rather than over some standard 2-D signal constellation.
Brian D. Woerner, Wayne E. Stark
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