Demonstration of bidirectional wired and wireless services in integrated optical and wireless system carried by single wavelength lightwave

Mathematical Verification for Transmission Performance of Centralized Lightwave WDM-RoF-PON with Quintuple Services Integrated in Each Wavelength Channel

“…Then, for the specific key technologies in WDM-RoF-PON, Jia et al [27] have studied the generation of RoF signal and the wavelength reusing scheme in ONUs. As it comes to the multiservices access of WDM-RoF-PON, Pham et al [28] have made a structure design with double downstream services including UWB and baseband data transmitting simultaneously; Cao et al [29] have designed a quadruple services system structure with both wireless and baseband data services transmitted bidirectionally; affected by centralized lightwave concept in WDM-PON system design, Yang et al [30] have utilized local optical amplifier in ONUs to save construction cost of the system which has almost the same structure as [29]. Later on, more different types of wireless services in different frequency band have been added to WDM-RoF-PON structure; in each wavelength channel distributed by WDM-RoF-PON system, Zhu et al [31] have tried to load three different services in WiFi, WiMAX, and millimeter wave band separately, while Rodrigues et al [32] have tried to realize the transmission of bidirectional LTE, WiMAX, and UWB services as well as baseband orthogonal frequency division multiplexing (OFDM) signal simultaneously.…”