Istituto di Scienza e Tecnologie dell'Informazione     
Alia G., Martinelli E. A VLSI algorithm for direct and reverse conversion from weighted binary number system to residue number system. In: Ieee Transactions on Circuits and Systems, vol. CAS-31 (12) pp. 1033 - 1039. IEEE Computer society, 1984.
Residue Number Systems (RNS) are proved lo be useful in many applications, as for example in signal processing. In this paper, a VLSI computing architecture is proposed for converting an integer number N from the weighted binary representation into and out a residue code based on s moduli. For this architecture a possible layout is given and its complexity is evaluated in terms of area and time. Under several hypotheses on RNS parameters, constructive upper bounds ranging from O(n log n) to O( n log log n) and from O(log n) to O(log n) for area and time, respectively, have been obtained for the direct conversion. On the contrary, constructive upper bounds A=O(n log n) and T = O(1ogn) have been found independent of the formed hypotheses, for the reverse conversion.
Subject VLSI Algorithm

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