Performance Evaluation of a 60-GHz Multi-band OFDM (MB-OFDM) Ultra-Wideband Radio-Over-Fibre System
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چکیده
In this paper, we present a performance analysis of a Multi-band, Orthogonal Frequency Division Multiplexing (MB-OFDM) Radio-Over-Fibre (RoF) system for UltraWideband (UWB) applications in the 60-GHz radio band. We have made use of two cascaded Mach-Zehnder modulators (MZMs) to carry out optical upconversion of the MB-OFDM signal to the 60 GHz band. The impact of the non-linearity of the MZM, fibre transmission and the received optical power are investigated through a simulation model of the complete UWB RoF system. System performance is evaluated at 1.92 Gb/s bit rate using Error Vector Magnitude (EVM) measurements as a performance metric.
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تاریخ انتشار 2011