Abstract
Spectrum Sensing (SS) is the best technique to identify the vacant bands present in the radio spectrum. Co-operative Spectrum Sensing (CSS) concept is introduced to overcome the drawbacks present in the SS network and CSS improves the detection probability though the fading and shadowing effects are present in the environment. It is necessary to maximize the network utility function and minimize the total error probability rate for the better usage of the CSS network. In this paper, performance is evaluated by maximizing network utility function and minimizing the total error probability rate with the Conventional Energy Detection (CED) scheme in AWGN channel. An imperfect Binary Symmetric Channel (BSC) having an error probability rate (r) is considered in the CSS network reporting channel. Finally, comparison between perfect and imperfect reporting channel, effect of error rate on utility function and total error are described.
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