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IEEE Computer Society Annual Symposium on VLSI (ISVLSI'02)
VLSI Implementation for MAC-Level DWT Architecture
Pittsburgh, Pennsylvania
April 25-April 26
ISBN: 0-7695-1486-3
Shiuh-Rong Huang, National Chiao-Tung University
Lan-Rong Dung, National Chiao-Tung University
This paper presents a VLSI design methodology for the MAC-level DWT processor based on a novel limited-resource scheduling (LRS) algorithm. The r-split Fully-specified Signal Flow Graph (FSFG) of limited-resource FIR filter has been developed for the scheduling of the MAC-level DWT signal processing. Given a set of architecture constraints and DWT parameters, the LRS algorithm can generate four scheduling matrices that drive the data path to perform the DWT computation, and the performance has also been investigated. Because the registers of FIR filtering are reused for the inter-octave storage, the MAC-level DWT architecture may require less extra inter-octave memory than the traditional architecture.
Index Terms:
VLSI, DWT, FSFG, limited-resource (LR), MAC-level, scheduling
Citation:
Shiuh-Rong Huang, Lan-Rong Dung, "VLSI Implementation for MAC-Level DWT Architecture," isvlsi, pp.0101, IEEE Computer Society Annual Symposium on VLSI (ISVLSI'02), 2002
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