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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.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.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.typeConference Paper
dc.contributor.departmentELECTRICAL ENGINEERING
dc.description.sourcetitleProceedings - IEEE International Symposium on Circuits and Systems
Appears in Collections:Staff Publications

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