Mina B. Abdel-Malek

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In this paper we introduce the genetic algorithm as an improved method of signal reconstruction in wavelet-based compressive sensing. Instead of using basis pursuit for reconstruction, a population of initial guesses is created and a genetic algorithm is applied to find the sparsest solution. The paper investigates the different possible objective functions(More)
In this paper, we introduce the Stationary Wavelet Transform (SWT) as an improved method of spectrum sensing in wideband systems. Such systems employing Cognitive Radio require a fast and efficient spectrum sensing technique to locate the edges of the occupied channels and determine spectral holes to enable secondary users to access the spectrum without(More)
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