Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.1755180
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dc.titleChaotic digital communication by encoding initial conditions
dc.contributor.authorXiaofeng, G.
dc.contributor.authorXingang, W.
dc.contributor.authorMeng, Z.
dc.contributor.authorLai, C.H.
dc.date.accessioned2014-05-19T02:50:30Z
dc.date.available2014-05-19T02:50:30Z
dc.date.issued2004-06
dc.identifier.citationXiaofeng, G., Xingang, W., Meng, Z., Lai, C.H. (2004-06). Chaotic digital communication by encoding initial conditions. Chaos 14 (2) : 358-363. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1755180
dc.identifier.issn10541500
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/52820
dc.description.abstractWe investigate the possibility to improve the noise performance of a chaotic digital communication scheme by utilizing further dynamical information. We show that by encoding the initial information of the chaotic carrier according to the transmitting bits, extra redundance can be introduced into the segments of chaotic signals corresponding to the consecutive bits. Such redundant information can be exploited effectively at the receiver end to improve the noise performance of the system. Compared to other methods (e.g., differential chaos shift keying), straightforward application of the proposed modulation/demodulation scheme already provides significant performance gain in the low signal-to-noise ratio (SNR) region. Furthermore, maximum likelihood precleaning procedure based on the Viterbi algorithm can be applied before the demodulation step to overcome the performance degradation in the high SNR region. The study indicates that it is possible to improve the noise performance of the chaotic digital communication scheme if further dynamics information is added to the system. © 2004 American Institute of Physics.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1063/1.1755180
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.contributor.departmentTEMASEK LABORATORIES
dc.description.doi10.1063/1.1755180
dc.description.sourcetitleChaos
dc.description.volume14
dc.description.issue2
dc.description.page358-363
dc.identifier.isiut000221712100016
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