Sf. Hsiao et al., Redundant constant-factor implementation of multi-dimensional CORDIC and its application to complex SVD, J VLSI S P, 25(2), 2000, pp. 155-166
Citations number
16
Categorie Soggetti
Eletrical & Eletronics Engineeing
Journal title
JOURNAL OF VLSI SIGNAL PROCESSING SYSTEMS FOR SIGNAL IMAGE AND VIDEO TECHNOLOGY
Redundant Implementations of Multi-dimensional CORDIC algorithms are presen
ted where the carry-ripple additions are replaced by carry-free signed-digi
t additions. Both folded (iterative) and unfolded (pipelined) architectures
are considered in the redundant implementation. Furthermore, the scaling i
terations are merged with the unscaled CORDIC iterations in the folded CORD
IC architecture in order to reduce the overall computation time of one CORD
IC operation. The redundant multidimensional CORDIC is then applied to the
singular value decomposition of complex matrices, with either a folded or a
n on-line architecture. The resulting processing speed is higher than with
alternative approaches based on 2-D CORDIC.