Research on RoF-PON Integrated Access System Based on Optical Carrier Suppression

In order to meet the high bandwidth requirements of next generation access network, this paper studies the hybrid access network with the characteristics of wireless network flexibility and wired network stability, and proposes a RoF-PON integrated access system based on Optical Carrier Suppression (OCS): Radio over Fiber (RoF) and passive optical network (PON) are integrated for transmission. OCS modulation technology is used to generate 20GHz millimeter wave signal, and the downlink optical carrier is reused. The fusion system realizes the integration of wired and wireless access, improves the bandwidth utilization, and realizes 25km bidirectional optical fiber transmission. Simulation results show the effectiveness and reliability of the proposed scheme.