Browsing Mathematics, Statistics & Physics by Author "Hasna, M.O."
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Alternative method of diffraction-enhanced imaging
Hasna, M.O.; Chapman, D. ( Elsevier B.V. , 2007 , Article)Diffraction-enhanced imaging (DEI) is a radiographic technique that derives contrast from an object's X-ray absorption, refraction gradient and small-angle scatter properties (extinction). The DEI imaging system prepares ... -
Wireless transmission using cooperation on demand
Hasna, M.O.; Kamel, Tourki; Mohamed Slim, Alouini ( Elsevier B.V. , 2009 , Article)Mobile users with single antennas can still take advantage of spatial diversity through repetition based cooperative transmission. In this paper, we consider a scheme in which the cooperation is triggered only if the ...