New distributed arithmetic algorithm for low-power FIR filter implementation

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29 Citations (Scopus)

Abstract

This letter proposes a new distributed arithmetic (DA) algorithm for low-power finite-impulse response (FIR) filter implementation. The characteristic of the proposed algorithm is that the FIR filters using the proposed algorithm do not need to employ two's complement representation in lookup tables as well as multiply-and-accumulation blocks. Thus, the proposed algorithm can minimize the dynamic power consumption of the FIR filters. The experimental results show that the lowpass FIR filter using the proposed algorithm achieves 29% and 26% power consumption reduction compared to that using the conventional algorithm for zero-mean random inputs and speech inputs, respectively.

Original languageEnglish
Pages (from-to)463-466
Number of pages4
JournalIEEE Signal Processing Letters
Volume11
Issue number5
DOIs
Publication statusPublished - 2004 May

Bibliographical note

Funding Information:
Manuscript received April 27, 2003; revised July 29, 2003. This work was supported by the Korea Research Foundation under Grant KRF 2000–042-E00029. Computer-aided drawing tools were supported by the IC Design Education Center. The associate editor coordinating the review of this manuscript and approving it for publication was Dr. Richard C. Kavanagh.

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Electrical and Electronic Engineering
  • Applied Mathematics

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