Ant Colony Optimization Based Energy Saving Routing for Energy-Efficient Networks

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This letter proposes an ant colony optimization (ACO) based energy saving routing, referred to as A-ESR, for energy efficient networks. The proposed A-ESR algorithm firstly re-formulates the energy-consumption minimized network (EMN) problem, which is NP-complete, into a simpler one by using the concept of traffic centrality. After that, it solves the re-formulated problem by 1) letting the flow to autonomously be aggregated on some specific heavy-loaded links and 2) switching off the other light-loaded links. Simulation results show that the A-ESR algorithm can get better performance than previous works in terms of energy efficiency.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2011-07
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.15, no.7, pp.779 - 781

ISSN
1089-7798
URI
http://hdl.handle.net/10203/99843
Appears in Collection
EE-Journal Papers(저널논문)
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