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Diversity Analysis of Single and Multiple Beamforming

Summary: Diversity Analysis of Single and Multiple
Ersin Sengul, Enis Akay and Ender Ayanoglu
Center for Pervasive Communications and Computing
Department of Electrical Engineering and Computer Science
The Henry Samueli School of Engineering
University of California, Irvine
Irvine, California 92697-2625
Email: esengul@uci.edu, eakay@uci.edu, ayanoglu@uci.edu
Abstract-- Multi-antenna communication systems have the po-
tential to play an important role in the design of the next
generation broadband wireless communication systems. In this
paper, we study a single-user multi-antenna system with perfect
channel state information (CSI) both at the transmitter and the
receiver. Beamforming is used to exploit the perfect channel
knowledge at both ends. We show that beamforming achieves
the maximum diversity in space when only the best eigenmode is
used (i.e., single beamforming). We extend our analytical results
to multiple beamforming (i.e., sending more than one symbol
simultaneously). Our main contribution is the analysis of the


Source: Ayanoglu, Ender - Department of Electrical and Computer Engineering, University of California, Irvine


Collections: Engineering