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Elastic Bandwidth Allocation in Flexible OFDM-Based Optical Networks

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Broadband Communications, Networks, and Systems (BROADNETS 2010)

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Abstract

Orthogonal Frequency Division Multiplexing (OFDM) has recently been proposed as a modulation technique for optical networks, because of its good spectral efficiency, flexibility, and tolerance to impairments. We consider the planning problem of an OFDM optical network, where connections are provisioned for their requested rate by elastically allocating spectrum using a variable number of OFDM subcarriers and choosing an appropriate modulation level taking into account the transmission distance. Using algorithms developed in our previous works, we evaluate the spectrum utilization gains that can be obtained by utilizing the elastic bandwidth allocation of OFDM, when compared to a traditional WDM network.

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Author information

Authors and Affiliations

  1. Computer Engineering and Informatics Department, University of Patras, and Research Academic Computer Technology Institute, Patra, Greece

    Konstantinos Christodoulopoulos

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  1. Konstantinos Christodoulopoulos
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Editor information

Editors and Affiliations

  1. Athens Information Technology, Markopoulo Avenue Peania, PO Box 68, 19002, Athens, Greece

    Ioannis Tomkos

  2. Department of Computer Engineering and Informatics, University of Patras, University campus, 26504, Rio, Patras, Greece

    Christos J. Bouras

  3. Department of Electrical and Computer Engineering, University of Cyprus, 75 Kallipoleos Street, 1678, Nicosia, Cyprus, Greece

    Georgios Ellinas

  4. University of Piraeus, 185 34 Piraeus, Athens, Greece

    Panagiotis Demestichas

  5. Department of Computer Science and Engineering, Ohio State University, 2015 Neil Avenue, 43210, Columbus, OH, USA

    Prasun Sinha

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© 2012 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering

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Christodoulopoulos, K. (2012). Elastic Bandwidth Allocation in Flexible OFDM-Based Optical Networks. In: Tomkos, I., Bouras, C.J., Ellinas, G., Demestichas, P., Sinha, P. (eds) Broadband Communications, Networks, and Systems. BROADNETS 2010. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 66. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30376-0_36

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  • DOI: https://doi.org/10.1007/978-3-642-30376-0_36

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-30375-3

  • Online ISBN: 978-3-642-30376-0

  • eBook Packages: Computer ScienceComputer Science (R0)

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