Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/72764
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dc.titleMultiplierless realization of adaptive filters by nonuniform quantization of input signal
dc.contributor.authorLi, Dongning
dc.contributor.authorChing Lim, Yong
dc.date.accessioned2014-06-19T05:11:44Z
dc.date.available2014-06-19T05:11:44Z
dc.date.issued1994
dc.identifier.citationLi, Dongning,Ching Lim, Yong (1994). Multiplierless realization of adaptive filters by nonuniform quantization of input signal. Proceedings - IEEE International Symposium on Circuits and Systems 2 : 457-459. ScholarBank@NUS Repository.
dc.identifier.issn02714310
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/72764
dc.description.abstractThis paper presents a multiplierless realization structure for the implementation of adaptive digital filters. Multiplierless realization is achieved by quantizing input signals in such way that each input sample is expressed as a sum of a fixed number of signed power-of-two (SPT) terms. This simplifies all multiplications involving input signal data. Simulation results for suppressing a narrow-band interference in a direct-sequence spread-spectrum communication system show that the performance of our technique with input signal quantized to 2 SPT terms is comparable to a conventional filter with input uniformly quantized to 10 bits. However, our technique reduces the number of transistors required for realization in a custom VLSI circuit to about 1/3 of that required by conventional realization.
dc.sourceScopus
dc.typeConference Paper
dc.contributor.departmentELECTRICAL ENGINEERING
dc.description.sourcetitleProceedings - IEEE International Symposium on Circuits and Systems
dc.description.volume2
dc.description.page457-459
dc.description.codenPICSD
dc.identifier.isiutNOT_IN_WOS
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