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Design of Low Power QPP Interleave Address Generator Using the Periodicity of QPP

Won-Ho LEE, Chong Suck RIM

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Summary :

This paper presents two power-saving designs for Quadratic Polynomial Permutation (QPP) interleave address generator of which interleave length K is fixed and unfixed, respectively. These designs are based on our observation that the quadratic term f2x2%K of f(x) = (f1x+f2x2)%K, which is the QPP address generating function, has a short period and is symmetric within the period. Power consumption is reduced by 27.4% in the design with fixed-K and 5.4% in the design with unfixed-K on the average for various values of K, when compared with existing designs.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E92-A No.6 pp.1538-1540
Publication Date
2009/06/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E92.A.1538
Type of Manuscript
LETTER
Category
VLSI Design Technology and CAD

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