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Dual-Tree Error Compensation for High Performance Fixed-Width Multipliers

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3 Author(s)
Strollo, A.G.M. ; Dept. of Electron. & Telecommun. Eng., Univ. of Napoli, Italy ; Petra, N. ; De Caro, D.

In this paper, a new error-compensation network for fixed-width multipliers is proposed. The error-compensation block is composed of two summation trees which are optimally chosen in order to minimize either the mean-square error or the maximum absolute error. The new technique substantially improves error performances with respect to previously proposed approaches. Simulation results show that new fixed-width multipliers exhibit significant improvements both in propagation delay and in power dissipation with respect to previous solutions.

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Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:52 ,  Issue: 8 )