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A Chaotic Pulse-Time Modulation Method for Digital Communication

Abstract and Applied Analysis, 2012-01, Vol.2012, p.1-15 [Peer Reviewed Journal]

Copyright © 2012 Nguyen Xuan Quyen et al. ;Copyright © 2012 Nguyen Xuan Quyen et al. Nguyen Xuan Quyen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. ;Copyright 2012 Hindawi Publishing Corporation ;ISSN: 1085-3375 ;EISSN: 1687-0409 ;DOI: 10.1155/2012/835304

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  • Title:
    A Chaotic Pulse-Time Modulation Method for Digital Communication
  • Author: Xuan Quyen, Nguyen ; Van Yem, Vu ; Manh Hoang, Thang
  • Noor, Muhammad Aslam
  • Is Part Of: Abstract and Applied Analysis, 2012-01, Vol.2012, p.1-15
  • Description: We present and investigate a method of chaotic pulse-time modulation (PTM) named chaotic pulse-width-position modulation (CPWPM) which is the combination of pulse-position-modulation (PPM) and pulse-width modulation (PWM) with the inclusion of chaos technique for digital communications. CPWPM signal is in the pulse train format, in which binary information is modulated onto chaotically-varied intervals of position and width of pulses, and therefore two bits are encoded on a single pulse. The operation of the method is described and the theoretical evaluation of bit-error rate (BER) performance in the presence of additive white Gaussian noise (AWGN) is provided. In addition, the chaotic behavior with tent map and its effect on average parameters of the system are investigated. Theoretical estimation and numerical simulation of a CPWPM system with specific parameters are carried out in order to verify the performance of the proposed method.
  • Publisher: New York: Hindawi Limiteds
  • Language: English
  • Identifier: ISSN: 1085-3375
    EISSN: 1687-0409
    DOI: 10.1155/2012/835304
  • Source: ProQuest Central
    DOAJ Directory of Open Access Journals
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