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Experimental Evaluation of an IEEE 802.11n Wireless LAN System Employing Lattice Reduction Aided MIMO Detection

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3 Author(s)
Soler-Garrido, J. ; Telecommun. Res. Lab., Toshiba Res. Eur. Ltd., Bristol, UK ; Takeda, D. ; Egashira, Y.

This paper presents the implementation details and experimental evaluation results of a high-performance multiple-input multiple-output (MIMO) detector for new generation wireless LAN systems. Performance of an IEEE 802.11n compliant FPGA-based prototype equipped with a dual MIMO processing unit is evaluated in a small office environment for both linear MMSE and lattice-reduction aided detection modes. Experimental results for MIMO configurations transmitting two independent data streams show performance gains for the reduced-lattice detector comparable to those obtained when adding an extra receiver antenna for spatial diversity in the linear case, with only a moderate increase in receiver complexity.

Published in:

Global Telecommunications Conference (GLOBECOM 2010), 2010 IEEE

Date of Conference:

6-10 Dec. 2010