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An Analytical Approach to Opportunistic Transmission under Rayleigh Fading Channels

Author

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  • Yousaf Bin Zikria
  • Sung Won Kim
  • Heejung Yu
  • Seung Yeob Nam

Abstract

In cognitive radio sensor networks, the routing methods including multiple relays have been extensively studied to achieve higher throughput and lower end-to-end delay. As one of innovative approaches, the opportunistic routing scheme was proposed. In this paper, the effectiveness of the opportunistic transmission in terms of reliability and delay of transmission is verified with an analytical way. For the analysis, we establish the probabilistic model with respect to distance and the number of relay nodes under the Rayleigh fading channels including path loss effects. Under this model, we develop a generic Markov chain model to obtain the analytical results and verify the effectiveness of the statistical analysis. The results show that an opportunistic transmission approach is better than traditional multihop transmissions in terms of successful data delivery with fewer transmissions. Consequently, it can provide an energy efficient transmission mechanism for cognitive radio sensor networks.

Suggested Citation

  • Yousaf Bin Zikria & Sung Won Kim & Heejung Yu & Seung Yeob Nam, 2015. "An Analytical Approach to Opportunistic Transmission under Rayleigh Fading Channels," International Journal of Distributed Sensor Networks, , vol. 11(12), pages 725198-7251, December.
    • Handle: RePEc:sae:intdis:v:11:y:2015:i:12:p:725198
    DOI: 10.1155/2015/725198
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