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In this paper, a simulation based study has been conducted to understand the effect of motion on the performance of spectrum sensing techniques. Simulations are done for the four techniques at different values of velocity. Power spectral density of received signal for energy detection is calculated. Detectors waveforms for a specific Signal to Noise Ratio but different vehicular velocity are plotted...
Noise has always been the most important constraint upon the sensing of Primary User in the frequency spectrum. Evaluation of various spectrum sensing schemes under noise gives us a fair idea about their robustness. Energy detection is fast but other Sensing techniques are better when it comes to the performing under Noise. Simulations are done for the three techniques at different noise levels. Detection...
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