Abstract
A cost-efficient ultra-wideband (UWB) over fiber architecture is proposed and demonstrated through simulation results. A directly modulated laser diode at the central unit (CU) is employed to transport and generate downlink UWB signals at a remote access unit (RAU). The directly modulated carrier is re-used at the RAU for transmission of uplink UWB signal. Therefore, all-optical full-duplex transmission of UWB signals at a rate of 2 Gbps is achieved while maintaining very low-bit-error rate (BER) values.
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