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Achieving Full Spatial Multiplexing and Full Diversity in Wireless Communications

Summary: Achieving Full Spatial Multiplexing and
Full Diversity in Wireless Communications
Enis Akay, Ersin Sengul, 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
Phone: +1 949 824 9797
Email: eakay@uci.edu, esengul@uci.edu, ayanoglu@uci.edu
Abstract-- It is well-known that using multiple antennas pro-
vides a substantial capacity and diversity increase for wireless
communication systems. A multi-input multi-output (MIMO)
technique that utilizes the channel knowledge both at the
transmitter and the receiver is known as beamforming. Beam-
forming separates a MIMO channel into parallel subchannels.
It was previously shown that uncoded beamforming achieves
a diversity order of (N - S + 1)(M - S + 1) if S symbols
are transmitted simultaneously for N transmit and M receive
antennas. Hence, there is a significant drop in the diversity


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


Collections: Engineering