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	A novel algorithm for common subexpression elimination in VLSI implementation of high-speed multiplierless FIR filters
	Wu, QZ ; Song, Q ; Sun, YH
	2010-05-07 ; 2010-05-07
会议名称	Proceedings of the Sixth IASTED International Conference on Signal and Image Processing ; 6th IASTED International Conference on Signal and Image Processing ; Honolulu, HI ; Web of Science
关键词	finite impulse response (FIR) filter multiple constant multiplication (MCM) canonic signed digit (CSD) representation common subexpression elimination (CSE) logic depth (LD) logic operator (LO) Computer Science, Artificial Intelligence Engineering, Electrical & Electronic Imaging Science & Photographic Technology
中文摘要	In this paper, a novel algorithm called logic depth oriented (LDO) common subexpression elimination (CSE) is proposed. In order to avoid the increase of logic depth in circuit structure that may be caused by the application of some other CSE techniques, the process of common subexpressions eliminating of this algorithm Is logic depth oriented and the realization of logic operators reuse will not lead to the increase of logic depth. A complete description of the LDO algorithm and the comparisons with several popular CSE algorithms are presented in this paper. Results of comparisons show that using this algorithm can realize the logic operators reuse efficiently, while the logic depth in circuit structure will maintain optimal. Application of this method in the multiplierless VLSI implementation of high-speed FIR filters or some other multiple constant multiplication (MCM) problems will contribute to the high performances in several aspects such as area, speed and power dissipation.
会议录出版者	ACTA PRESS ; CALGARY ; B6, STE 101, 2509 DIEPPE AVE SW, CALGARY, ALBERTA T3E 7J9, CANADA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/16910]
专题	清华大学
推荐引用方式 GB/T 7714	Wu, QZ,Song, Q,Sun, YH. A novel algorithm for common subexpression elimination in VLSI implementation of high-speed multiplierless FIR filters[C]. 见:Proceedings of the Sixth IASTED International Conference on Signal and Image Processing, 6th IASTED International Conference on Signal and Image Processing, Honolulu, HI, Web of Science.

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