Chaos-Based Turbo Systems in Fading Channels

The growing demand for ubiquitous wireless communication services requires powerful coding and modulation schemes to counteract the signal degradation in the air interface, preferably without resorting to costly hardware. Previous work has demonstrated that chaos-based coded modulations could be rob...

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Veröffentlicht in:IEEE transactions on circuits and systems. I, Regular papers Jg. 61; H. 2; S. 530 - 541
Hauptverfasser: Escribano, Francisco J., Wagemakers, Alexandre, Sanjuan, Miguel A. F.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York IEEE 01.02.2014
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
Bit error rate
Channels
Chaos
Chaotic communication
Coding
concatenated coding
Decoding
Degradation
Encoding
error analysis
Fading
Flats
Iterative decoding
Modulation
Robustness
Spectra
ISSN:1549-8328, 1558-0806
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Zusammenfassung:The growing demand for ubiquitous wireless communication services requires powerful coding and modulation schemes to counteract the signal degradation in the air interface, preferably without resorting to costly hardware. Previous work has demonstrated that chaos-based coded modulations could be robust in the flat fading channel. This paper illustrates that, as the flat fading channel quality degrades, parallel concatenated chaos-based coded modulations can provide better error performance than non-chaotic counterparts. Therefore, this joint coding and modulation approach may contribute to power saving in common adverse channel conditions. Moreover, it is shown that it is possible to manage its spectral efficiency while keeping its robustness under fading.
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ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2013.2278349