IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
CSD-based CORDIC algorithm and its VLSI implementation
Chester S. ParkSungkyung Park
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JOURNALS FREE ACCESS

2016 Volume 13 Issue 11 Pages 20160393

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Abstract

Canonical signed digit (CSD) encoding is applied to the COordinate Rotation DIgital Computer (CORDIC) algorithm. The closed-form expressions of angle quantization error are obtained and verified with the simulation results, showing that the CSD-based CORDIC algorithm improves the accuracy significantly if the rotation angle is decomposed appropriately. The VLSI implementation results show that the proposed CSD-based CORDIC algorithm remarkably reduces the execution time of the conventional CORDIC algorithm.

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© 2016 by The Institute of Electronics, Information and Communication Engineers
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