Journal
OPTICS COMMUNICATIONS
Volume 407, Issue -, Pages 69-82Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2017.09.001
Keywords
Smart grid; Wavelength-routing module; Online access; Full-fiber-fault protection; Dynamic bandwidth allocation
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Funding
- Natural Science Foundation of China [61132004, 61275073, 61420106011]
- Shanghai Science and Technology Development Funds [15511105400, 15530500600, 14511100100]
- Shanghai Leading Academic Discipline Project [S30108]
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In this paper, a novel architecture of hybrid PON for smart grid is proposed by introducing a wavelength-routing module (WRM). By using conventional optical passive components, a WRM with M ports is designed. The symmetry and passivity of the WRM makes it be easily integrated and very cheap in practice. Via the WRM, two types of network based on different ONU-interconnected manner can realize online access. Depending on optical switches and interconnecting fibers, full-fiber-fault protection and dynamic bandwidth allocation are realized in these networks. With the help of amplitude modulation, DPSK modulation and RSOA technology, wavelength triple-reuse is achieved. By means of injecting signals into left and right branches in access ring simultaneously, the transmission delay is decreased. Finally, the performance analysis and simulation of the network verifies the feasibility of the proposed architecture. (C) 2017 Elsevier B.V. All rights reserved.
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