Title :
Triangular systolic array with reduced latency for QR-decomposition of complex matrices
Author :
Maltsev, Alexander ; Pestretsov, Vladimir ; Maslennikov, Roman ; Khoryaev, Alexey
Author_Institution :
Broadband Wireless Div., Intel Corp., Nizhny Novgorod
Abstract :
The novel CORDIC-based architecture of the triangular systolic array for QRD of large size complex matrices is presented. The proposed architecture relies on QRD using a three angle complex rotation approach that provides significant reduction of latency (systolic operation time) and makes the QRD in such a way that the upper triangular matrix R has only real diagonal elements
Keywords :
VLSI; computational complexity; digital arithmetic; matrix decomposition; systolic arrays; CORDIC; QR-decomposition; three angle complex rotation approach; triangular systolic array; Delay; Frequency estimation; Hardware; MIMO; Matrices; Matrix decomposition; Multiaccess communication; OFDM; Signal processing algorithms; Systolic arrays;
Conference_Titel :
Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International Symposium on
Conference_Location :
Island of Kos
Print_ISBN :
0-7803-9389-9
DOI :
10.1109/ISCAS.2006.1692603
