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Prediction and measurement of multiuser MIMO-OFDM channel in rural Australia

Ratnayake, Nisal Lahiru, Ziri-Castro, Karla I., Suzuki , Hajime, & Robertson, David (2012) Prediction and measurement of multiuser MIMO-OFDM channel in rural Australia. In Proceedings of the 2012 IEEE 75th Vehicular Technology Conference (VTC Spring), IEEE, Pacifico Yokohama, Japan, pp. 1-5.

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    Abstract

    Commonwealth Scientific and Industrial Research Organization (CSIRO) has recently conducted a technology demonstration of a novel fixed wireless broadband access system in rural Australia. The system is based on multi user multiple-input multiple-output orthogonal frequency division multiplexing (MU-MIMO-OFDM). It demonstrated an uplink of six simultaneous users with distances ranging from 10 m to 8.5 km from a central tower, achieving 20 bits s/Hz spectrum efficiency. This paper reports on the analysis of channel capacity and bit error probability simulation based on the measured MUMIMO-OFDM channels obtained during the demonstration, and their comparison with the results based on channels simulated by a novel geometric optics based channel model suitable for MU-MIMO OFDM in rural areas. Despite its simplicity, the model was found to predict channel capacity and bit error rate probability accurately for a typical MU-MIMO-OFDM deployment scenario.

    Impact and interest:

    1 citations in Scopus
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    ID Code: 50224
    Item Type: Conference Paper
    Keywords: fixed wireless broadband, orthogonal frequency
    DOI: 10.1109/VETECS.2012.6240211
    ISBN: 978-1-4673-0988-2
    ISSN: 1550-2252
    Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000)
    Divisions: Current > Schools > School of Electrical Engineering & Computer Science
    Current > QUT Faculties and Divisions > Science & Engineering Faculty
    Copyright Owner: Copyright 2012 [Please consult the authors]
    Deposited On: 14 May 2012 09:46
    Last Modified: 15 May 2013 15:47

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