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A routing and spectrum assignment problem in optical OFDM networks

descriptionPublicationkeyboard_double_arrow_right Conference object 01 Jan 2011 Spain English
Authors: Klinkowski, Miroslaw; Careglio, Davide;

handle: 2117/13505

A routing and spectrum assignment problem in optical OFDM networks

Abstract

Optical Orthogonal Frequency Division Multiplexing (O-OFDM) is a novel and attractive modulation technology enabling flexible sub-wavelength and super-channel transmission in optical networks. In an OFDM-based optical network with elastic bandwidth provisioning, the problem of Routing and Spectrum Assignment (RSA) emerges. RSA is NP-hard and it can be computationally exhaustive even for small network scenarios. In this paper, we both formulate RSA as an Integer Linear Programming (ILP) problem and propose an heuristic method to find a sub-optimal solution. Numerical results show the heuristic performs efficiently even for larger problem instances.

Peer Reviewed

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Spain
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Keywords

Orthogonal frequency division multiplexing, O-OFDM, Optical communications, Comunicacions òptiques, Optical Orthogonal Frequency Division Multiplexing, Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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Average
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