Simple Hybrid Scaling-Free CORDIC Solution for FPGAs | Zendy

Leonid Moroz | Zendy; Shinobu Nagayama | Zendy; Taras Mykytiv | Zendy; Ihor Kirenko | Zendy; Taras Boretskyy | Zendy

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Simple Hybrid Scaling-Free CORDIC Solution for FPGAs

Author(s) -

Leonid Moroz,

Shinobu Nagayama,

Taras Mykytiv,

Ihor Kirenko,

Taras Boretskyy

Publication year - 2014

Publication title -

international journal of reconfigurable computing

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.236

H-Index - 16

eISSN - 1687-7209

pISSN - 1687-7195

DOI - 10.1155/2014/615472

Subject(s) - cordic , trigonometric functions , computer science , sine , field programmable gate array , stratix , overhead (engineering) , hyperbolic function , parallel computing , algorithm , elementary function , simple (philosophy) , trigonometry , skein , computer hardware , computational science , mathematics , mathematical analysis , philosophy , geometry , computer security , epistemology , operating system

COordinate Rotation DIgital Computer (CORDIC) is an effective method that is used in digital signal processing applications for computing various trigonometric, hyperbolic, linear, and transcendental functions. This paper presents the theoretical basis and practical implementation of circular (sine-cosine) CORDIC-based generator. Synthesis results of this generator based on Altera Stratix III FPGA (EP3SL340F1517C2) using Quartus II version 9.0 show that the proposed hybrid FPGA architecture significantly reduces latency (42% reduction) with a small area overhead, compared to the conventional version. The proposed algorithm has been simulated for sine and cosine function evaluation, and it has been verified that the accuracy is comparable with conventional algorithm

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