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The trade-off problem between spectrum sensing time and cognitive user's maximum achievable throughput is addressed here for a hard-decision-fusion-based cooperative cognitive radio network. Spectrum sensing is carried out using the energy detector. In the literature, fusion rules have been investigated and compared in terms of secondary user's throughput performance by assuming that the primary signal-to-noise...
The spectrum sensing duration and the secondary user's achievable throughput trade-off is optimized under outage constraints in a cooperative cognitive radio network over Nakagami fading conditions. The optimum trade-off depends not only on the maximum outage probability allowed by the primary user and the number of cognitive users involved in the sensing but also on the fading operational conditions...
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