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Author Ohlsson, Henrik ♦ Gustafsson, Oscar ♦ Wanhammar, Lars
Source CiteSeerX
Content type Text
File Format PDF
Subject Domain (in DDC) Computer science, information & general works ♦ Data processing & computer science
Subject Keyword Shifted Permuted Difference Coefficient Method ♦ Fir Filter ♦ Permuted Difference Coefficient Method ♦ Difference Coefficient ♦ Former Determine ♦ Low Arithmetic Complexity ♦ Good Candidate ♦ Permutation Network ♦ Fundamental Block ♦ Difference Coefficient Structure ♦ Integer Coefficient ♦ Adder Network ♦ Yield Filter Implementation ♦ Quantized Coefficient
Abstract In this paper we propose a method for implementation of sum-of-products using a shifted permuted difference coefficient method. Here we focus on implementation of FIR filters but the method is generally applicable to computation of sum-of-products. In this work we identify two fundamental blocks in the difference coefficient structure, a permutation network and an adder network. The former determine how the difference coefficients are selected while the latter computes the differences. We also propose that the differences are computed on odd, integer coefficients only. The proposed method is fast and yields filter implementations with low arithmetic complexity. This makes it a good candidate for being incorporated into the search for quantized coefficients in the synthesis of FIR filters. 1.
Educational Role Student ♦ Teacher
Age Range above 22 year
Educational Use Research
Education Level UG and PG ♦ Career/Technical Study
Learning Resource Type Article