Abstract
AbstractThis paper evaluates the performance of throughput over Hoyt fading channel. The number of cognitive radio users and fusion rule are some parameters that influence throughput for cooperative spectrum sensing. This paper compares centralized cooperative spectrum sensing and cluster-based cooperative spectrum sensing using different fusion rules in terms of throughput metric. An optimum fusion rule is found at which throughput is maximum. It is observed that highest throughput is attained for OR-AND fusion rule against other fusion rules investigated. Under Hoyt fading condition, OR-AND fusion rule attains maximum throughput which increases by 4.07% compared to OR fusion rule and increases by 6.94% compared to AND fusion rule. Further, the impact of number of cognitive radio users and number of clusters over throughput is investigated.KeywordsCognitive radioThroughputCluster-based cooperative spectrum sensingHoyt fading
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