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Low-power CSD linear phase FIR filter structure using vertical common sub-expression

Title
Low-power CSD linear phase FIR filter structure using vertical common sub-expression
Authors
Jang Y.Yang S.
Ewha Authors
양세정
SCOPUS Author ID
양세정scopus
Issue Date
2002
Journal Title
Electronics Letters
ISSN
0013-5194JCR Link
Citation
Electronics Letters vol. 38, no. 15, pp. 777 - 779
Indexed
SCI; SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
A high-speed/low-power canonic signed digit (CSD) linear phase finite impulse response (FIR) filter structure using vertical common sub-expression is proposed. In the conventional linear phase CSD filter, the horizontal common sub-expression method (see Hartley, 1996) has been widely utilised due to the inherent symmetrical filter coefficients. However, use has been made of the fact that the most significant bits of adjacent filter coefficients in the linear phase filter are also equal since they have mostly similar values. Through the example, it is shown that the proposed structure is more efficient in the case where bit precision of implementation is lower.
DOI
10.1049/el:20020529
Appears in Collections:
연구기관 > 예술과학융합연구소 > Journal papers
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