Distance-adaptive routing and spectrum assignment in OFDM-based flexible transparent optical networks

Distance-adaptive routing and spectrum assignment in OFDM-based flexible transparent optical... Orthogonal frequency division multiplexing (OFDM) technology has been recently gaining increasing attention in flexible optical networks due to its significant spectrum efficiency, flexibility, and superior tolerance against impairments. In this paper, we put forward a novel distance-adaptive routing and spectrum assignment algorithm to select the proper modulation format dynamically based on OFDM according to the transmission reach, thereby effectively improving the spectrum utilization. The presented simulation results show that our proposed algorithm achieves significantly improved spectrum efficiency. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photonic Network Communications Springer Journals

Distance-adaptive routing and spectrum assignment in OFDM-based flexible transparent optical networks

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Publisher
Springer US
Copyright
Copyright © 2014 by Springer Science+Business Media New York
Subject
Computer Science; Computer Communication Networks; Electrical Engineering; Characterization and Evaluation of Materials
ISSN
1387-974X
eISSN
1572-8188
D.O.I.
10.1007/s11107-014-0432-8
Publisher site
See Article on Publisher Site

Abstract

Orthogonal frequency division multiplexing (OFDM) technology has been recently gaining increasing attention in flexible optical networks due to its significant spectrum efficiency, flexibility, and superior tolerance against impairments. In this paper, we put forward a novel distance-adaptive routing and spectrum assignment algorithm to select the proper modulation format dynamically based on OFDM according to the transmission reach, thereby effectively improving the spectrum utilization. The presented simulation results show that our proposed algorithm achieves significantly improved spectrum efficiency.

Journal

Photonic Network CommunicationsSpringer Journals

Published: Apr 17, 2014

References

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