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Energy Efficient Cooperative Spectrum Sensing in Cognitive Radio
2016
International Journal of Computer Networks & Communications
Sensing in cognitive radio (CR) protects the primary user (PU) from bad interference. Therefore, it is assumed to be a requirement. However, sensing has two main challenges; first the CR is required to sense the PU under very low signal to noise ratios which will take longer sensing time, and second, some CR nodes may suffer from deep fading and shadowing effects. Cooperative spectrum sensing (CSS) is supposed to solve these challenges. However, CSS adds extra energy consumption due to CRs send
doi:10.5121/ijcnc.2016.8202
fatcat:t3bbc3wry5crxjwsc4hhrve3ea