Simulations of a new MIMO zero-forcing detector for correlated and estimated Rician fading

Authors:
Xiaonan Shi;Constantin Siriteanu;Yoshikazu Miyanaga
Affiliations:
Hokkaido University, Sapporo, Japan;Hokkaido University, Sapporo, Japan;Hokkaido University, Sapporo, Japan
Venue:
Proceedings of the 44th Annual Simulation Symposium
Year:
2011

Citing 4
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Abstract

Among symbol-detection techniques for multiple-input multiple-output (MIMO) wireless communications systems deploying spatial multiplexing, zero-forcing (ZF) is the low-complexity choice. However, ZF is also known to offer fairly low symbol-detection performance. Herein, simulations show that ZF performance can be improved dramatically with a new approach that exploits not only the channel matrix estimate, as the conventional approach, but also the channel and noise statistics. These performance gains are demonstrated for various assumptions about the channel fading type (Rayleigh and Rician) and about the azimuth spread and the K-factor.