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Abstract : We introduce an algorithm for optimizing sensing parameters including the number of sensing samples and the number of reporting bits of a quantization-based cooperative spectrum sensing scheme in cognitive radio networks. This is obtained by maximizing the network throughput subject to a target detection probability. With Rayleigh fading and energy detector, the proposed algorithm simultaneously optimizes the number of sensing samples at a local node, the number of bits for quantizing local sensing data and the global threshold at a fusion center.
N. Nguyen-Thanh, Philippe Ciblat, Sina Maleki, V. T. Nguyen. How many bits to report in quantized cooperative spectrum sensing?. IEEE Wireless Communications Letters, IEEE comsoc, 2015, 4 (5), pp.465-468. ⟨10.1109/LWC.2015.2437879⟩. ⟨hal-02287194⟩