Resilient, bandwidth scalable and energy efficient hybrid PON architecture

Amit Kumar Garg () and Vijay Janyani
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Amit Kumar Garg: Malaviya National Institute of Technology
Vijay Janyani: Malaviya National Institute of Technology

Telecommunication Systems: Modelling, Analysis, Design and Management, 2018, vol. 67, issue 4, No 10, 687-698

Abstract: Abstract This paper proposes a resilient, bandwidth scalable and energy efficient WDM–TDM passive optical network (PON) architecture that provides network access services to the end user at very high data rates and reduces the power consumption of access network significantly in the presence of low traffic/underutilized network. The proposed power saving technique includes the efficient use of proper line cards (LC) and adaptive link rate (ALR) mechanism at optical line terminal located at the central office. In the presence of low traffic, ALR switches link rate from 10 to 1 Gbps depending on the particular threshold value of traffic load. In the presence of narrowband traffic, a significant amount of energy is saved. Proposed architecture also saves capital expenditure (CAPEX) at remote node and reduces significant CAPEX for larger networks. This architecture also provides network resiliency against LC/TRx or module failure and bandwidth scalability to support future generation PON architectures without any service interruption.

Keywords: Time division multiplexing; Wavelength division multiplexing; Optical access network; Optical line terminal; Optical networking unit (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s11235-017-0369-1

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