A seismic resistant design algorithm for laying and shielding of optical fiber cables

Wang, Z, Wang, Q, Zukerman, M and Moran, W 2017, 'A seismic resistant design algorithm for laying and shielding of optical fiber cables', Journal of Lightwave Technology, vol. 35, no. 14, pp. 3060-3074.

Document type: Journal Article
Collection: Journal Articles

Title A seismic resistant design algorithm for laying and shielding of optical fiber cables
Author(s) Wang, Z
Wang, Q
Zukerman, M
Moran, W
Year 2017
Journal name Journal of Lightwave Technology
Volume number 35
Issue number 14
Start page 3060
End page 3074
Total pages 15
Publisher IEEE
Abstract This paper considers a long-haul optical fiber cable, connecting two points on the Earth's surface that passes through earthquake-prone or other sensitive areas. Different segments of the cable are characterized by different protection levels, where a higher level through shielding represents a more costly and more resilient segment. This leads to a multi-objective optimization problem, where the two objectives are 1) the total cost of the cable and 2) the total number of potential repairs along the cable likely to be caused by earthquakes. As a measure of seismic risk, we use the concept of cable repair rate used in the civil engineering community. In our models, ground motion intensity data are used to estimate the cable repair rate, and a graph of a triangulated irregular network is used to represent the Earth's surface. We formulate this optimization problem as a multi-objective shortest path problem and solve it by a variant of the label setting algorithm. Two approximate algorithms, an interval-partition-based label-setting algorithm and an evolutionary algorithm, are also presented as methods of computational cost reduction for large-scale cases, and their results are compared. The solution leads to a Pareto front or an approximate Pareto front that enables us to choose the path and protection of the cable to either minimize cost for a given risk level or minimize risk for a given budget.
Subject Optical Fibre Communications
Keyword(s) Cost effectiveness
multi-objective optimization
optical fiber cables
path optimization
seismic resilience
DOI - identifier 10.1109/JLT.2017.2711658
Copyright notice © 2017 IEEE.
ISSN 0733-8724
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