NDLI: Span restoration for flexi-grid optical networks under different spectrum conversion capabilities

Content Provider	IEEE Xplore Digital Library
Author	Yue Wei Gangxiang Shen
Copyright Year	2013
Description	Author affiliation: Sch. of Electron. & Inf. Eng., Soochow Univ., Suzhou, China (Yue Wei; Gangxiang Shen)
Abstract	Orthogonal Frequency Division Multiplexing (OFDM) has been proposed as a new modulation technique for fiber-optic transmission owing to its high spectral efficiency, flexibility in bandwidth allocation, and tolerance to the impairments such as chromatic dispersion. An optical transport network based on optical OFDM transmission technique is often called flexi-grid elastic optical network. In this paper, we investigate the span restoration (SR) technique for this type of network under three different spectrum conversion capabilities, namely, (1) without spectrum conversion, (2) partial spectrum conversion, and (3) full spectrum conversion. For all the three cases, we develop integer linear programming (ILP) models to minimize required spare capacity and maximal used link frequency slots. Our results indicate that spectrum conversion shows great benefit of improving spare capacity redundancy and spectrum efficiency for the flexi-grid elastic optical network.
Starting Page	79
Ending Page	87
File Size	302662
Page Count	9
File Format	PDF
ISBN	9781479900497
e-ISBN	9789638111791
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-03-04
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Scientific Assoc for infocom
Subject Keyword	Frequency selective surfaces Optical fibers Optical wavelength conversion elastic optical network Optical fiber networks span restoration flexi-grid specrum continuity Distance measurement spectrum conversion Indexes CO-OFDM
Content Type	Text
Resource Type	Article

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Span-Restorable Elastic Optical Networks Under Different Spectrum Conversion Capabilities

Span Restoration for Flexi-Grid Optical Networks under Different Spectrum Conversion Capabilities

Span restoration for CO-OFDM-based elastic optical networks under spectrum conversion

Lightpath fragmentation for efficient spectrum utilization in dynamic elastic optical networks

Dynamic resource allocation in elastic optical networks

AF3E.7.pdf ACP Technical Digest © 2012 OSA Span Restoration for CO-OFDM-based Elastic Optical Networks under Spectrum Conversion

How much can sub-band virtual concatenation (VCAT) help static routing and spectrum assignment in elastic optical networks? (Invited)

GMPLS/PCE control of flexi-grid DWDM optical networks using CO-OFDM transmission [Invited]

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Span restoration for flexi-grid optical networks under different spectrum conversion capabilities

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