Design of WDM-RoF-PON based on Improved OFDM mechanism and optical coherent technology

In this paper, we propose a wavelength division multiplexed radio-over-fiber passive optical network (WDM-RoF-PON) based on the improved orthogonal frequency division multiplexing (OFDM) format and optical coherent technology. With OFDM and coherent receiving technology, the access network achieves high bandwidth utility efficiency and excellent transporting properties. Using optical heterodyne, the network implements 60 GHz wireless access without adding a radio source. We evaluate the performance of the system in terms of bit error rate, coverage area, and receiving constellation and obtain a network with an excellent access property.

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