Title :
Complexity reductions in unrolled CORDIC architectures
Author_Institution :
Dept. of Electr. & Inf. Technol., Lund Univ., Lund, Sweden
Abstract :
This paper shows a novel methodology to reduce the complexity in unrolled CORDIC architectures. The methodology is based on eliminating the CORDIC stages starting from the first stage. As an example, a six stage CORDIC is used but the methodology is applicable on CORDICs with an arbitrary number of stages. The paper shows that the complexity can be reduced by 25%.
Keywords :
computational complexity; computer architecture; digital arithmetic; CORDIC stages elimination; complexity reduction; unrolled CORDIC architecture; Approximation algorithms; Computer architecture; Costs; Delay; Energy consumption; Hardware; Information technology; Input variables; Iterative algorithms; Read only memory;
Conference_Titel :
Electronics, Circuits, and Systems, 2009. ICECS 2009. 16th IEEE International Conference on
Conference_Location :
Yasmine Hammamet
Print_ISBN :
978-1-4244-5090-9
Electronic_ISBN :
978-1-4244-5091-6
DOI :
10.1109/ICECS.2009.5410765
