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Highly Efficient, Limited Range Multipliers for LUT-based FPGA Architectures

, and . IEEE Trans. Very Large Scale Integr. Syst., 12 (10): 1113--1117 (October 2004)
DOI: 10.1109/TVLSI.2004.833399

Abstract

A novel design technique for deriving highly efficient multipliers that operate on a limited range of multiplier values is presented. Using the technique, Xilinx Virtex field programmable gate array (FPGA) implementations for a discrete cosine transform and poly-phase filter were derived with area reductions of 31%-70% and speed increases of 5%-35% when compared to designs using general-purpose multipliers. The technique gives superior results over other fixed coefficient methods and is applicable to a range of FPGA technologies.

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Highly efficient, limited range multipliers for LUT-based FPGA architectures

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