Fig. 1. Structure diagram of multi-service layered WDM-ROF system with optional frequency millimeter wave based on optical frequency comb

Fig. 2. Output spectra of EAMs and PM

Fig. 3. Output spectra of OBPF

Fig. 4. Output spectra of AWG2

Fig. 5. Optical spectra of channel 1 after transmission through 20 km SMF

Fig. 6. Bit error rate (BER) curves of four millimeter wave signals in base station for B-T-B, 20 km SMF and 40 km SMF transmission cases. (a) Millimeter wave signal with frequency of 35 GHz; (b) millimeter wave signal with frequency of 45 GHz; (c) millimeter wave signal with frequency of 65 GHz ; (d) millimeter wave signal with frequency of 95 GHz

Fig. 7. Downlink data eye diagrams of 45 GHz millimeter wave for different transmission distances. (a) B-T-B; (b) 20 km SMF;

Fig. 8. BER curves of uplink data in BSG1 for B-T-B, 20 km SMF and 40 km SMF transmission cases. (a) Uplink data updata1; (b) uplink data updata2

Fig. 9. Eye diagrams of uplink data updata1 for different transmission distances. (a) B-T-B; (b) 20 km SMF; (c) 40 km SMF

Table 1. Receiving sensitivity and power cost of four millimeter wave signals in downlink when BER is 10^-9

Table 2. Receiving sensitivity and power cost of uplink data updata1 and updata2 when BER is 10^-9