[Back]

A. Habib, C. Mehlführer, M. Rupp:
"Performance Comparison of Antenna Selection Algorithms in WiMAX with Link Adaptation";
Talk: 4th International Conference on CROWNCOM 2009, Hannover, Germany; 06-22-2009 - 06-24-2009; in: "4th International Conference on Cognitive Radio Oriented Wireless Networks and Communications", (2009), ISBN: 978-1-4244-3424-4.

Antenna subset selection methods are feasible to
reduce the hardware complexity of Multiple-Input Multiple-
Output (MIMO) systems. Numerous methods have been devised
to resolve this problem. Most of these selection schemes were
applied to specific system models and for frequency flat sys-
tems. In broadband systems like WiMAX (IEEE 802.16-2004),
the overall channel under consideration is typically frequency
selective, and flat only over the subcarrier bandwidths. In this
work, receive antenna subset selection schemes are applied
to a WiMAX compliant MIMO-OFDM transmission system.
Simulation results in terms of average throughput and BER
on an adaptive modulation and coding link are shown. Very
unexpectedly we find that the optimal selection for maximum
throughput, does not give the best results in terms of BER
performance. We thus conclude that minimum BER is not the
right choice for antenna selection. We also find through our
simulations that the simple, low complex norm based selection
algorithm, provides good results, close to optimal selection in
frequency selective channels.

http://publik.tuwien.ac.at/files/PubDat_176038.pdf