• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Partial Relay Selection in Decode and Forward Cooperative Cognitive Radio Networks over Rayleigh Fading Channels

Vol. 8, No. 11, November 29, 2014
10.3837/tiis.2014.11.017, Download Paper (Free):

Abstract

The performance of an partial relay selection on the decode-and-forward (DF) mode cognitive radio (CR) relay networks is studied, with some important factors, including the outage probability, the bit error ratio (BER), and the average channel capacity being analyzed. Different from the conventional relay selection schemes, the impact of spectrum sensing process as well as the spectrum utilization efficiency of primary users on the performance of DF-based CR relaying networks has been taken into consideration. In particular, the exact closed-form expressions for the figures of merit such as outage probability, BER, and average channel capacity over independent and identically distributed (i.i.d.) Rayleigh fading channels, have been derived in this paper. The validity of the proposed analysis is proven by simulation, which showed that the numerical results are consistent with the theoretical analysis in terms of the outage probability, the BER and the average channel capacity. It is also shown that the full spatial diversity order can always be obtained at the signal-to-noise ratio (SNR) range of [0dB, 15dB] in the presence of multiple potential relays.


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Cite this article

[IEEE Style]
B. Zhong, Z. Zhang, D. Zhang, K. Long, H. Cao, "Partial Relay Selection in Decode and Forward Cooperative Cognitive Radio Networks over Rayleigh Fading Channels," KSII Transactions on Internet and Information Systems, vol. 8, no. 11, pp. 3967-3983, 2014. DOI: 10.3837/tiis.2014.11.017.

[ACM Style]
Bin Zhong, Zhongshan Zhang, Dandan Zhang, Keping Long, and Haiyan Cao. 2014. Partial Relay Selection in Decode and Forward Cooperative Cognitive Radio Networks over Rayleigh Fading Channels. KSII Transactions on Internet and Information Systems, 8, 11, (2014), 3967-3983. DOI: 10.3837/tiis.2014.11.017.

[BibTeX Style]
@article{tiis:20652, title="Partial Relay Selection in Decode and Forward Cooperative Cognitive Radio Networks over Rayleigh Fading Channels", author="Bin Zhong and Zhongshan Zhang and Dandan Zhang and Keping Long and Haiyan Cao and ", journal="KSII Transactions on Internet and Information Systems", DOI={10.3837/tiis.2014.11.017}, volume={8}, number={11}, year="2014", month={November}, pages={3967-3983}}