Title :
A novel fast canonical-signed-digit conversion technique for multiplication
Author :
Guo, Rui ; DeBrunner, Linda S.
Author_Institution :
Dept. of Electr. & Comput. Eng., Florida State Univ., Tallahassee, FL, USA
Abstract :
Fast multiplication can be achieved by using canonical signed digit (CSD) to speed-up computations. Conversion to CSD is needed when the multiplier is not known a priori. In this work, a novel approach for converting an unsigned binary number or two´s complement number to its CSD form from least significant bit to most significant bit, (right-to-left), is presented. Comparison shows that our algorithm is faster and requires less area than existing CSD conversion algorithms.
Keywords :
digital arithmetic; multiplying circuits; CSD conversion; fast canonical signed digit conversion technique; fast multiplication; least significant bit; most significant bit; multiplier; unsigned binary number conversion; Computers; Delay; Digital signal processing; Hardware; Logic gates; Propagation delay; Booth´s Recoding; canonical-signed-digit (CSD); minimum-signeddigit (MSD); redundant number representation;
Conference_Titel :
Acoustics, Speech and Signal Processing (ICASSP), 2011 IEEE International Conference on
Conference_Location :
Prague
Print_ISBN :
978-1-4577-0538-0
Electronic_ISBN :
1520-6149
DOI :
10.1109/ICASSP.2011.5946812