Optimal Techniques for Sensing Error Minimization with Improved Energy Detection in Cognitive Radios

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Provided by: International Journal on Smart Sensing and Intelligent Systems
Topic: Mobility
Format: PDF
Spectrum sensing, the problem of detecting the presence of licensed user in the channel is considered in this paper. Energy detection is best suited for the spectrum sensing when prior knowledge about the primary users is unavailable. Existing papers report improved versions of energy detection which primarily focuses on maximizing the detection performance. Sensing error minimization is an important aspect of spectrum sensing that needs attention. This paper focuses on the sensing error minimization of the improved energy detection algorithm in which the decision statistic is computed using an arbitrary positive index instead of squaring operation.
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