Dynamic Threshold Energy Detection Technique for Cognitive Radio | Zendy

N. Neelu | Zendy; Арун Кумар | Zendy

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Dynamic Threshold Energy Detection Technique for Cognitive Radio

Author(s) -

N. Neelu,

Арун Кумар

Publication year - 2016

Publication title -

international journal of computer applications

Language(s) - English

Resource type - Journals

ISSN - 0975-8887

DOI - 10.5120/ijca2016911127

Subject(s) - computer science , cognitive radio , energy (signal processing) , detection threshold , cognition , real time computing , telecommunications , statistics , wireless , mathematics , neuroscience , biology

sensing is the main feature of cognitive radio technology. Spectrum sensing gives an idea of detecting the presence of the primary users in a licensed spectrum. The dynamic threshold energy detection is proposed in this paper for the spectrum sensing of Cognitive Radio. The proposed dynamic energy scheme depends on the current state of the primary user. Depending on this, dynamic thresholds are evaluated considering the effect of noise uncertainty. The thresholds evaluated are used to increase the value of Pd and decrease the value of . The performance of dynamic energy detection technique is optimized against the values of parameters. It is observed that the proposed dynamic energy detection (DED) scheme is better than the classical energy detection (CED) scheme. Keywordssensing, Energy detection, Probability of detection

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