Optimal placement of wavelength converters in WDM networks using particle swarm optimizer

The introduction of wavelength converters in all-optical networks can reduce the blocking probabilities of calls. The main contribution of this paper is that we introduce a novel search algorithm namely particle swarm optimizer in finding the optimum solution to the converter placement problem. Expe...

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Bibliographic Details
Main Authors: Choon Fang Teo, Yun Cie Foo, Su Fong Chien, Low, A.L.Y., Venkatesh, B., You, A.H.
Format: Conference Proceeding
Language:English
Subjects:
Applied sciences
blocking probability
Conferences
converters placement
Costs
Exact sciences and technology
Information, signal and communications theory
Intelligent networks
Iterative algorithms
Multiplexing
Network topology
Optical fiber communications
Optical telecommunications
Optical wavelength conversion
Particle swarm optimization
particle swarm optimization (PSO)
Signal and communications theory
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Tree graphs
Wavelength converters
Wavelength routing
WDM networks
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Description
Summary:The introduction of wavelength converters in all-optical networks can reduce the blocking probabilities of calls. The main contribution of this paper is that we introduce a novel search algorithm namely particle swarm optimizer in finding the optimum solution to the converter placement problem. Experiments have been conducted to demonstrate the effectiveness and efficiency of the proposed algorithm. The computed results show that it is more cost effective to introduce additional wavelength channel in a single fiber than placing more wavelength converters.
DOI:10.1109/ICC.2004.1312793