On the Performance of Cognitive Underlay SIMO Networks over Equally Correlated Rayleigh Fading Channels

Tu Lam Thanh, Vo Nguyen Quoc Bao, Pham Thi Dan Ngoc, Tran Trung Duy


The performance of single-input multiple-output (SIMO) cognitive spectrum sharing networks with the presence of equally correlated Rayleigh fading channels is investigated. In particular, based on the truncated infinitive series of cumulative distribution function (CDF) and probability density function (PDF) of the end-to-end signal-to-noise ratios (SNRs), close-form expressions are provided for the system outage performance, bit error rate and ergodic capacity. It is shown that the system performance merely depends on the correlation coefficient between antennas. Monte-Carlo simulations are also contributed to confirm the accuracy of our analysis.

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DOI: http://dx.doi.org/10.21553/rev-jec.96

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