Abstract
In this investigation, we propose and investigate the standard WiMAX
access in high speed railway (HSR) using radio over fiber (RoF) link. We
also discuss the theory of mobile WiMAX at a target speed of 300 km/hr in
simulation. We also analyze the effect of the Doppler frequency shift over
HSR. The effective transmission fiber length in the WiMAX-RoF system was
limited due to the time-division-duplex (TDD) protocol in the practical
WiMAX. Thus, we also demonstrate the transmission limitation and performance
of the standard WiMAX access in RoF link. The performances of throughput and
packet loss at different fiber lengths are also investigated and discussed.
Furthermore, a WiMAX-RoF field trial is also demonstrated based on a simple
two RAUs RoF architecture. It was tested and measured in the SongShan tunnel
of the Taiwan high speed railway (THSR).
© 2010 IEEE
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