An Efficient Implementation of Singular Value Decomposition Rotation Transformations with CORDIC Processors

Hu, Xiaofang; Bass, S.; Harber, R.G.

doi:10.1006/jpdc.1993.1034

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Cited by 12 publications

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“…It has a wide range of application including fast Fourier transformation (FFT) [4], direct digital frequency synthesizer (DDFS) [5], matrix decomposition [6], etc.…”

Section: Introductionmentioning

confidence: 99%

A Parallel Double-Step CORDIC Algorithm for Digital Down Converter

Wang

Zheng

Lin

2009

2009 Seventh Annual Communication Networks and Services Research Conference

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The COordinate Rotation DIgital Computer (CORDIC) algorithm is a widely studied and hardware-efficient iterative algorithm for evaluating many arithmetic operations. In this paper, we propose a parallel double step CORDIC algorithm. All rotation directions can be predicted in parallel while two rotations are processed in each iteration. The novel hybrid algorithm achieves much less delay and similar throughput compared with parallel CORDIC algorithm [1]. Based on the new algorithm, we also provide a digital down converter architecture using dual CORDIC processor to eliminate both multiplier and CORDIC scale factor.Index Terms-CORDIC, parallel CORDIC, double step, digital down converter.

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“…It has a wide range of application including fast Fourier transformation (FFT) [4], direct digital frequency synthesizer (DDFS) [5], matrix decomposition [6], etc.…”

Section: Introductionmentioning

confidence: 99%