Abstract
In this paper, we demonstrate multiband orthogonal frequency division
multiplexing (MB-OFDM) transmission of quadrature phase shift keying (QPSK)
modulation with 200-Mb/s bit rate by all-optical frequency up-conversion using
external modulator for ultrawideband (UWB) applications to 60-GHz band radio-over-fiber
(RoF) network. Error vector magnitude (EVM) measurements are used to evaluate
the performance of our system and an EVM root mean square (rms) of 12.6% at
60 GHz is obtained with our technique and corresponds to bit error rate (BER)
below $10^{-9}$,
in compliance with standard requirements.
© 2009 IEEE
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