Analysis and Comparision of Different Spectrum Sensing Technique for IEEE 802 11 IJTSRD


The electromagnetic spectrum is natural resources. The use of wireless communication grows day by day but spectrum allocation policies is static, it tends to increase the spectrum scarcity problem. COGNITIVE RADIO refers to advance wireless radio which aims to improve the spectrum utilization by identify unused spectrum from environment. Spectrum sensing proposed the key method of cognitive radio which detects the presence of primary user in licensed frequency band to utilize unused spectrum. There are three categories of spectrum sensing techniques Non-Cooperative System, Cooperative System, Interference Based Sensing. The current work aim on the performance analysis of Non-Cooperative System under low and high SNR, validating the result and applied the technique for IEEE 802.11 WLAN , IEEE 802.16 WIMAX . To estimate the threshold chi-square equation has been solve and identify no. of detected signal, signal under AWGN with the help of MATLAB software. 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. Under low SNR no of detected signal increases when no. of sample increases gradually.

Adil Niyaz Makhdoomi | Rashmi Raj “Analysis and Comparision of Different Spectrum Sensing Technique for IEEE 802.11”

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-6 , October 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd18292.pdf

Paper URL: http://www.ijtsrd.com/engineering/electronics-and-communication-engineering/18292/analysis-and-comparision-of-different-spectrum-sensing-technique-for-ieee-80211/adil-niyaz-makhdoomi

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