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The use of arrayed-waveguide grating (AWG) and erbium-doped-fiber amplifier (EDFA) enables long-reach passive optical network (LR-PON) to provide enormous bandwidth over large distance, but they also deteriorate receivers' bit-error rate (BER) performance. In this paper, the effects of AWG and EDFA on BER are studied with both short-term and long-term distance-aware wavelength allocation schemes,...
Long-reach passive optical network (LR-PON) is a cost-effective solution for providing broadband access spanning large areas. LR-PON extends the coverage span of PONs from the traditional 20 km range to 100 km and consolidates the multiple optical line terminals (OLTs) and central offices, thus reducing the operational cost and serving many more users. There are two type of LR-PONs: “tree-and-branch”...
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