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The trade‐off between sensing time and throughput is investigated in the context of an energy‐efficient cognitive radio network considering both the sensing and reporting channels are Rayleigh faded, while the existing literature considered the fading in sensing channel only. In this paper, such a trade‐off is re‐examined under Rayleigh faded sensing as well as reporting channel. Novel analytical...
In cognitive radio (CR) network spectrum sensing is an important issue. Cooperative spectrum sensing improves the detection probability. The accuracy in taking decision about the presence of primary user (PU) depends on sensing time and number of CR users involving in cooperation. A CR network can be efficient if it performs the detection process with minimum error probability and at the same time...
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