Linear precoding for space-time coded systems with known fadingcorrelations
Sampath, H.
Paulraj, A.
Iospan Wireless Inc., San Jose, CA;
This paper appears in: Signals, Systems and Computers, 2001. Conference Record of the Thirty-Fifth Asilomar Conference on
Publication Date: 2001
Volume: 1,
On page(s): 246-251 vol.1
Meeting Date: 11/04/2001 - 11/07/2001
Location: Pacific Grove, CA, USA
ISBN: 0-7803-7147-X
References Cited: 14
INSPEC Accession Number: 7328164
Digital Object Identifier: 10.1109/ACSSC.2001.986914
Current Version Published: 2002-08-07
Abstract
We design an optimal linear precoder for a space-time coded system
assuming knowledge of only the transmit antenna fading correlations.
Assuming a flat fading channel and a maximum likelihood receiver, we
show that the linear precoder transmits power on the eigenmodes of the
transmit antenna correlation matrix. The power allocation on the
eigenmodes is a form of waterpouring policy. Simulation results are
presented to show performance improvement on a space-time coded system
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