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Resilient backhaul network design using hybrid radio/free-space optical technology

Douik, Ahmed and Dahrouj, Hayssam and Al-Naffouri, Tareq Y. and Alouini, Mohamed-Slim (2016) Resilient backhaul network design using hybrid radio/free-space optical technology. In: 2016 IEEE International Conference on Communications (ICC). IEEE , Piscataway, NJ, pp. 1-7. ISBN 978-1-4799-6664-6. http://resolver.caltech.edu/CaltechAUTHORS:20160719-072340211

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Abstract

The radio-frequency (RF) technology is a scalable solution for the backhaul planning. However, its performance is limited in terms of data rate and latency. Free Space Optical (FSO) backhaul, on the other hand, offers a higher data rate but is sensitive to weather conditions. To combine the advantages of RF and FSO backhauls, this paper proposes a cost-efficient backhaul network using the hybrid RF/FSO technology. To ensure a resilient backhaul, the paper imposes a given degree of redundancy by connecting each node through K link-disjoint paths so as to cope with potential link failures. Hence, the network planning problem considered in this paper is the one of minimizing the total deployment cost by choosing the appropriate link type, i.e., either hybrid RF/FSO or optical fiber (OF), between each couple of base-stations while guaranteeing K link-disjoint connections, a data rate target, and a reliability threshold. The paper solves the problem using graph theory techniques. It reformulates the problem as a maximum weight clique problem in the planning graph, under a specified realistic assumption about the cost of OF and hybrid RF/FSO links. Simulation results show the cost of the different planning and suggest that the proposed heuristic solution has a close-to-optimal performance for a significant gain in computation complexity.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1109/ICC.2016.7511143DOIArticle
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7511143&isnumber=7510595PublisherArticle
ORCID:
AuthorORCID
Douik, Ahmed0000-0001-7791-9443
Additional Information:© 2016 IEEE. Hayssam Dahrouj would like to thank Effat University in Jeddah, Saudi Arabia, for funding the research reported in this paper through the Research and Consultancy Institute.
Funders:
Funding AgencyGrant Number
Effat UniversityUNSPECIFIED
Subject Keywords:Backhaul network design, deployment cost minimization, link-disjoint graph, free-space optic, optical fiber
Record Number:CaltechAUTHORS:20160719-072340211
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160719-072340211
Official Citation:A. Douik, H. Dahrouj, T. Y. Al-Naffouri and M. S. Alouini, "Resilient backhaul network design using hybrid radio/free-space optical technology," 2016 IEEE International Conference on Communications (ICC), Kuala Lumpur, Malaysia, 2016, pp. 1-7. doi: 10.1109/ICC.2016.7511143
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:69101
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:26 Jul 2016 23:52
Last Modified:09 Feb 2017 03:18

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