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On the BER estimation of experimental direct detection OFDM systems

Alves , T. M. F. ; Cartaxo, A.

On the BER estimation of experimental direct detection OFDM systems, Proc ICETE International Conf. on Optical Communication Systems - OPTICS, Athens, Greece, Vol. 1, pp. 1 - 5, July, 2010.

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Abstract
We propose to extend the exhaustive Gaussian approach (EGA) to assess the bit error ratio (BER) of experimental
direct detection optical orthogonal frequency division multiplexing setups. Excellent agreement
between the actual probability density function (PDF) of each subcarrier and the Gaussian PDF estimated
from a set of experimental runs is shown. The proposed EGA allows evaluate quickly the BER as only a few
hundreds of runs are required to reach stabilized BER estimates. The BER estimated by EGA has shown an
excellent agreement with the BER estimates provided by direct error counting.