This Paper explores basic two systems of spectrum sensing: Cooperative System & Non-Cooperative System. Non-Cooperative System includes Energy detector, Match Filter and cyclostationary with a performance analysis of transmitter based detection. It also includes analysis of Match Filter and Cyclostationary under low and high SNR, validating the result and applied the technique for Wireless local Area Network (WLAN). To identify the no. of detected signal, chi-square equation has been solved and finds the threshold. It has been observed during analysis that energy rises at high SNR under AWGN and under high SNR no. of detected signal decreases gradually when the no. of sample increases. When no. of sample increases then the no. of detected signal increases. The results of the detection techniques are reliable in comparison. Energy detection provides good result under high SNR values. All of the simulation work is done in MATLAB software and finalized the best detection technique for spectrum sensing.
Cognitive radio, Non-cooperative system, WLAN, WIMAX, AWGN
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