[Discuss-gnuradio] SVD from LAPACK takes too long time
From:
Hoang Ngo Khac
Subject:
[Discuss-gnuradio] SVD from LAPACK takes too long time
Date:
Tue, 3 Mar 2015 14:13:02 +0700
Dear all,
I got trouble with Singular Value Decomposition computation in GNU Radio using LAPACK. I use SVD to build a precoder for a secondary transmitter in a cognitive radio model. It takes too long times to handle a 128x144 matrix with complex entries, and therefore, the data stream to be transmitted seem to be really slow in rate.
Is there any other way to compute SVD faster? FYI, I just need the V* matrix within the result (U, S, V*).
Thanks,
Hoang
--
Hoang Ngo-Khac
Research Assistant - Signal and System Lab, FET, UET