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Long-Reach Ethernet Passive Optical Networks (LR-EPONs) have become a promising broadband access technology due to cost-effectiveness and the ability to simplify Metropolitan Area Network (MAN) and Local Area Network (LAN) architectures. However, the increased propagation delay has led increased idle time for interleaved-based Dynamic Bandwidth Allocation schemes resulting in poor bandwidth utilization...
This study proposes a novel WDM EPON system based upon an AWG, in which multiple wavelengths are established in both the upstream and the downstream fibers. The use of the AWG enables the WDM EPON architecture to achieve wavelength spatial-reuse and to provide an intercommunication capability between ONUs. As a result, the architecture not only allows upstream access to the central office but also...
This study proposes a novel WDM EPON system based upon an AWG, in which multiple wavelengths are established in both the upstream and the downstream fibers. The use of the AWG device enables the WDM EPON architecture to support wavelength spatial reuse and allows the ONUs to communicate directly with one another rather than through the OLT. The proposed WDM EPON scheme takes account of the requirement...
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