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In this paper, an intra-symbol frequency-domain averaging (ISFA)-combined pilot-aided channel estimation scheme is proposed and investigated in investigated in intensity-modulation direct-detection (IM/DD) multiband orthogonal frequency division multiplexing (MB-OFDM) ultra-wideband (UWB) over fiber system. After transmitted over 50km standard single mode fiber, the simulation results show that, at...
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