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Energy Detection Based Spectrum Sensing Analysis of Cooperative Cognitive Radios under Different Fading Environments

Energy Detection Based Spectrum Sensing Analysis of Cooperative Cognitive Radios under Different Fading Environments

Deepti Kakkar, Mayank Gupta, Arun Khosla, Moin Uddin
Copyright: © 2013 |Pages: 24
ISBN13: 9781466642218|ISBN10: 1466642211|EISBN13: 9781466642225
DOI: 10.4018/978-1-4666-4221-8.ch003
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MLA

Kakkar, Deepti, et al. "Energy Detection Based Spectrum Sensing Analysis of Cooperative Cognitive Radios under Different Fading Environments." Cognitive Radio Technology Applications for Wireless and Mobile Ad Hoc Networks, edited by Natarajan Meghanathan and Yenumula B. Reddy, IGI Global, 2013, pp. 50-73. https://doi.org/10.4018/978-1-4666-4221-8.ch003

APA

Kakkar, D., Gupta, M., Khosla, A., & Uddin, M. (2013). Energy Detection Based Spectrum Sensing Analysis of Cooperative Cognitive Radios under Different Fading Environments. In N. Meghanathan & Y. Reddy (Eds.), Cognitive Radio Technology Applications for Wireless and Mobile Ad Hoc Networks (pp. 50-73). IGI Global. https://doi.org/10.4018/978-1-4666-4221-8.ch003

Chicago

Kakkar, Deepti, et al. "Energy Detection Based Spectrum Sensing Analysis of Cooperative Cognitive Radios under Different Fading Environments." In Cognitive Radio Technology Applications for Wireless and Mobile Ad Hoc Networks, edited by Natarajan Meghanathan and Yenumula B. Reddy, 50-73. Hershey, PA: IGI Global, 2013. https://doi.org/10.4018/978-1-4666-4221-8.ch003

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Abstract

This chapter discusses the detection performance of relay based cognitive radio networks. Relays are assigned in cognitive radio networks to transmit the primary user’s signal to cognitive coordinators or CPUs, thus achieving cooperative spectrum sensing. The purpose of the chapter is to provide mathematical analysis of energy detectors for dual hop networks. The soft fusion rule is used at the relays which acts as amplify and forward relays. For the detection purpose, the energy detector is employed at the cognitive coordinator. In the ending sections, sensing performance is analyzed for different fading channels in the MATLAB environment and simulation results present comparative performance of various relay conditions with concluding remarks.

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