Optical power control to efficiently handle flex-grid spectrum gain over existing fixed-grid network infrastructures

The exponential traffic growth in optical networks has triggered the evolution from Fixed-Grid to Flex-Grid technology. This evolution allows better spectral efficiency and spectrum usage over current networks in order to facilitate dynamic and huge traffic demands. The integration of Flex-Grid tech...

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Vydané v:ICNC : 2016 International Conference on Computing, Networking and Communications : 15-18 February 2016 s. 1 - 7
Hlavní autori: Kanj, M., Le Rouzic, E., Amar, D., Auge, J. L., Cousin, B., Brochier, N.
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 01.02.2016
Predmet:
Flex-Grid
GMPLS
Link Design
Optical attenuators
Optical fiber networks
Optical noise
Optical saturation
Path Computation Algorithm
Power Control
Signal to noise ratio
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Abstract The exponential traffic growth in optical networks has triggered the evolution from Fixed-Grid to Flex-Grid technology. This evolution allows better spectral efficiency and spectrum usage over current networks in order to facilitate dynamic and huge traffic demands. The integration of Flex-Grid technology increases the number of optical channels established over optical links, leading, however, to an increase in amplification power and possibly saturating optical amplifiers. In this work, we propose a power adaptation process that takes advantage of link optical signal to noise ratio (OSNR) margins to allow network operators to support this power increase while maintaining the use of legacy amplifiers. Results show that controlling channel optical power benefits from the Flex-Grid in terms of spectrum and capacity gain using in-place amplifier infrastructure.
AbstractList The exponential traffic growth in optical networks has triggered the evolution from Fixed-Grid to Flex-Grid technology. This evolution allows better spectral efficiency and spectrum usage over current networks in order to facilitate dynamic and huge traffic demands. The integration of Flex-Grid technology increases the number of optical channels established over optical links, leading, however, to an increase in amplification power and possibly saturating optical amplifiers. In this work, we propose a power adaptation process that takes advantage of link optical signal to noise ratio (OSNR) margins to allow network operators to support this power increase while maintaining the use of legacy amplifiers. Results show that controlling channel optical power benefits from the Flex-Grid in terms of spectrum and capacity gain using in-place amplifier infrastructure.
Author Le Rouzic, E.
Kanj, M.
Cousin, B.
Brochier, N.
Auge, J. L.
Amar, D.
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  organization: Orange Labs., Lannion, France
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Snippet The exponential traffic growth in optical networks has triggered the evolution from Fixed-Grid to Flex-Grid technology. This evolution allows better spectral...
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SubjectTerms Flex-Grid
GMPLS
Link Design
Optical attenuators
Optical fiber networks
Optical noise
Optical saturation
Path Computation Algorithm
Power Control
Signal to noise ratio
Title Optical power control to efficiently handle flex-grid spectrum gain over existing fixed-grid network infrastructures
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