In order to save optical fiber resources and meet the needs of 5G larg e bandwidth,a full-duplex hybrid of W-band OFDM-RoF wireless access and DPSK -WD M-PON wired access based on polarization division multiplexing (PDM) technology is proposed.Compared with V band,W band (75－110GHz) has larger available band w idth,more accurate direction and less atmospheric attenuation.In this system, the optical carrier suppression double-sideband modulation (OCS-DSB) technolog y is used to suppress the optical carrier to generate 80GHz millimeter wave signa l ; and the reflective semiconductor amplifier (RSOA) is used to reuse the downstr eam optical carrier to complete the transmission of the upstream signal.In orde r to verify the performance of the system,the RoF-WDM-PON system was built on t he optical simulation software and the simulation analysis was carried out.The results of the system after transmitting 0km,10km and 20km through the optica l fiber show that the system performance is good,it not only successfully realize s the simultaneous transmission of 80GHz OFDM wireless signals and DPSK wired s ignals,but also realizes bidirectional communication.