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

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    Type
    Conference Paper
    Authors
    Douik, Ahmed S. cc
    Dahrouj, Hayssam cc
    Al-Naffouri, Tareq Y. cc
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2016-07-26
    Online Publication Date
    2016-07-26
    Print Publication Date
    2016-05
    Permanent link to this record
    http://hdl.handle.net/10754/622594
    
    Metadata
    Show full item record
    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. © 2016 IEEE.
    Citation
    Douik A, Dahrouj H, Al-Naffouri TY, Alouini M-S (2016) Resilient backhaul network design using hybrid radio/free-space optical technology. 2016 IEEE International Conference on Communications (ICC). Available: http://dx.doi.org/10.1109/ICC.2016.7511143.
    Sponsors
    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.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2016 IEEE International Conference on Communications (ICC)
    Conference/Event name
    2016 IEEE International Conference on Communications, ICC 2016
    DOI
    10.1109/ICC.2016.7511143
    arXiv
    1508.00140
    Additional Links
    http://ieeexplore.ieee.org/document/7511143/
    ae974a485f413a2113503eed53cd6c53
    10.1109/ICC.2016.7511143
    Scopus Count
    Collections
    Conference Papers; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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