Algorithms for Low Power FIR Filter Realization Using Differential Coefficients

Hyderabad, India January 04-January 07

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http://doi.ieeecomputersociety.org/10.1109/ICVD.1997.568072

Tenth International Conference on VLS ...

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	N. Sankarayya, K. Roy, D. Bhattacharya, "Algorithms for Low Power FIR Filter Realization Using Differential Coefficients," VLSI Design, International Conference on, pp. 174, Tenth International Conference on VLSI Design: VLSI in Multimedia Applications, 1997.

	BibTex	x
	@article{ 10.1109/ICVD.1997.568072, author = {N. Sankarayya and K. Roy and D. Bhattacharya}, title = {Algorithms for Low Power FIR Filter Realization Using Differential Coefficients}, journal ={VLSI Design, International Conference on}, volume = {0}, year = {1997}, issn = {1063-9667}, pages = {174}, doi = {http://doi.ieeecomputersociety.org/10.1109/ICVD.1997.568072}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - VLSI Design, International Conference on TI - Algorithms for Low Power FIR Filter Realization Using Differential Coefficients SN - 1063-9667 SP EP A1 - N. Sankarayya, A1 - K. Roy, A1 - D. Bhattacharya, PY - 1997 KW - FIR filters KW - low power FIR filter realization KW - differential coefficients KW - convolution KW - computational reduction VL - 0 JA - VLSI Design, International Conference on ER -

N. Sankarayya, Dept. of Electr. Eng., Purdue Univ., West Lafayette, IN, USA

K. Roy, Dept. of Electr. Eng., Purdue Univ., West Lafayette, IN, USA

D. Bhattacharya, Dept. of Electr. Eng., Purdue Univ., West Lafayette, IN, USA

We present a set of new algorithms for low-power realization of FIR filters which use various orders of differences between coefficients for computing the convolution with the input data. Also the results of computations are stored and reused, thus requiring more storage and storage accesses. These techniques result in a reduction in the computations necessary per convolution as compared to directly using the coefficients. It is shown analytically that this computational reduction at the price of more storage can result in a reduction in net energy dissipated. Realization of some example FIR filters using these algorithms is analyzed.

Index Terms:

FIR filters, low power FIR filter realization, differential coefficients, convolution, computational reduction

Citation:

N. Sankarayya, K. Roy, D. Bhattacharya, "Algorithms for Low Power FIR Filter Realization Using Differential Coefficients," vlsid, pp.174, Tenth International Conference on VLSI Design: VLSI in Multimedia Applications, 1997

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