Computer Science – Networking and Internet Architecture
Scientific paper
2008-09-29
IEEE International Conference on Communications, Chine (2008)
Computer Science
Networking and Internet Architecture
Scientific paper
This article investigates the effect of equal and unequal received powers on the performances of different MIMO-OFDM schemes for terrestrial digital TV. More precisely, we focus on three types of non-orthogonal schemes: the BLAST scheme, the Linear Dispersion (LD) code and the Golden code, and we compare their performances to that of Alamouti scheme. Using two receiving antennas, we show that for moderate attenuation on the second antenna and high spectral efficiency, Golden code outperforms other schemes. However, Alamouti scheme presents the best performance for low spectral efficiency and equal received powers or when one antenna is dramatically damaged. When three antennas are used, we show that Golden code offers the highest robustness to power unbalance at the receiving side
Crussière Matthieu
Hélard Jean-François
Nasser Youssef
Pasquero Oudomsack
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