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Journal Article
Impact of 3R Wavelength Converters on the Blocking Probability of WDM Networks with Finite Signal Impairment Threshold
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- Authors
- Yun Hee Cho, Kwang Joon Kim
- Issue Date
- 2005-11
- Citation
- IEEE Communications Letters, v.9, no.11, pp.1009-1011
- ISSN
- 1089-7798
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- We consider WDM mesh networks with finite signal impairment threshold (SIT) and estimate the minimum requirement of 3R wavelength converters (3R-WCs) per node. We find that the marginal utility of 3R-WC diminishes rapidly and relatively small number of 3R-WCs is enough to enhance the network performance to that of a WDM network with infinite SIT and wavelength converters at all the channels per node. © 2005 IEEE.
- KSP Keywords
- Blocking probability(BP), Marginal utility, Minimum requirement, Network performance, WDM mesh networks, WDM networks, signal impairment, wavelength converter