Energy-efficient communication in multihop wireless sensor networks using ternary encoding and silent symbols

Rabindranath Ghosh, Koushik Sinha, Debasish Datta, Bhabani P. Sinha

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The ternary-with-silent-symbol (TSS) energy-efficient data communication technique was earlier proposed in Ghosh et al. (2008) which coupled ternary encoding of data stream with the use of silent periods for transmitting the ternary digits. The performance analysis of TSS using bit-error rate (BER), however, is inadequate to capture the transitive error-propagation in the transmitted binary data stream. In this paper, we use the concept of frame-error rate (FER) to successfully capture the effects of the error-propagation and the message length reduction. Our FER-based analysis shows 23% average saving in transmitter energy compared to the non-coherent BFSK for AWGN channels, rather than 20% saving as in BER-based analysis. For coherent detection-based receiver we show that the average transmitter energy savings are about 30% and 17% relative to the non-coherent and coherent BFSK respectively. Simultaneously, there is energy saving of about 37% in the receiver relative to BFSK, which makes TSS a very suitable scheme for multihop communication in wireless sensor networks.

Original languageEnglish
Pages (from-to)376-389
Number of pages14
JournalInternational Journal of Communication Networks and Distributed Systems
Volume11
Issue number4
DOIs
Publication statusPublished - 1 Dec 2013
Externally publishedYes

Fingerprint

Wireless sensor networks
Communication
Bit error rate
Transmitters
Energy conservation

Keywords

  • BER
  • Bit-error rate
  • Communication through silence
  • CtS
  • Energy-efficient communication
  • FER
  • Frame-error rate
  • Ternary encoding
  • Wireless sensor networks
  • WSNs

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

Energy-efficient communication in multihop wireless sensor networks using ternary encoding and silent symbols. / Ghosh, Rabindranath; Sinha, Koushik; Datta, Debasish; Sinha, Bhabani P.

In: International Journal of Communication Networks and Distributed Systems, Vol. 11, No. 4, 01.12.2013, p. 376-389.

Research output: Contribution to journalArticle

Ghosh, Rabindranath ; Sinha, Koushik ; Datta, Debasish ; Sinha, Bhabani P. / Energy-efficient communication in multihop wireless sensor networks using ternary encoding and silent symbols. In: International Journal of Communication Networks and Distributed Systems. 2013 ; Vol. 11, No. 4. pp. 376-389.
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