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SpaceTime Coding over Correlated Fading Channels with Antenna Selection
 

Summary: Space­Time Coding over Correlated Fading
Channels with Antenna Selection
Israfil Bahc¸eci
, Y¨ucel Altunbas¸ak
and Tolga M. Duman
School of Electrical and Computer Engineering Department of Electrical Engineering
Georgia Institute of Technology Arizona State University
Atlanta, GA 30332-0250 Tempe, AZ 85287-5706
{bahceci,yucel}@ece.gatech.edu duman@asu.edu
Abstract-- In [1], antenna selection for multiple antenna transmission
systems has been studied under the assumption that the subchannels be-
tween antenna pairs fade independently. In this paper, we consider the
performance of such systems when the subchannels experience correlated
fading. We assume that the channel state information is available only at
the receiver, the antenna selection is performed only at the receiver, and the
selection is based on the instantaneous received signal power. We quantify
the effects of channel correlation on the diversity and coding gain when the
receiver system uses all or a subset of the antennas. Theoretical results indi-
cate that the correlations in the channel does not degrade the diversity order
provided that the channel is full-rank. However, it does result in some per-

  

Source: Altunbasak, Yucel - School of Electrical and Computer Engineering, Georgia Institute of Technology

 

Collections: Engineering