Unidirectional Ring-Based WDM Fiber Network for Both Downlink and Uplink Signal Access
Chien-Hung Yeh,
Wen-Piao Lin,
Yu-Ting Lai
et al.
Abstract:In the paper, a dual-bidirectional ring-type wavelength-division-multiplexing (WDM) access network with downlink and uplink signal access simultaneously using a single fiber backbone in clockwise and counterclockwise directions, respectively. The proposed network architecture is simple and easy to implement via the designed remote node (RN) and optical line termination (OLT) modules, but it also can double the downlink traffic using the original WDM downlink wavelengths. The presented ring-type WDM network can… Show more
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