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A 2 \times 2 MIMO DVB-T2 System: Design, New Channel Estimation Scheme and Measurements With Polarization Diversity

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4 Author(s)
Gomez-Calero, C. ; Dept. of Signals, Univ. Politec. de Madrid, Madrid, Spain ; Navarrete, L.C. ; de Haro, L. ; Martinez, R.

The increasing interest in MIMO (Multiple-Input Multiple-Output) systems has given rise to a prolific research activity in recent years. Both theoretical and practical issues have been studied. However, so far few MIMO testbeds or prototypes have been built for DVB-T or future standards. In this paper, a novel 2 × 2 MIMO testbed specifically designed for evaluating the performances of a DVB-T2 MIMO system is presented. The description of signal processing is detailed including a new scheme to estimate the MIMO channel matrix. Finally, measurement results with different polarization schemes are presented for typical scenarios, obtaining higher capacity in LoS situations using polarization diversity.

Published in:

Broadcasting, IEEE Transactions on  (Volume:56 ,  Issue: 2 )

Date of Publication:

June 2010

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