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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 4, Iss. 5 — May. 1, 2012
  • pp: 392–401

Implementation of a PID Controller for the Bandwidth Assignment in Long-Reach PONs

Tamara Jiménez, Noemi Merayo, Patricia Fernández, Ramón J. Durán, Ignacio de Miguel, Rubén M. Lorenzo, and Evaristo J. Abril  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 4, Issue 5, pp. 392-401 (2012)
http://dx.doi.org/10.1364/JOCN.4.000392


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Abstract

In this paper a proportional–integral–derivative (PID) controller to efficiently allocate bandwidth in high coverage passive optical networks (PONs) is presented. The novelty of this proposal relies on the fact that this is the first proposal to use a PID to control a network parameter in PONs. As the PID takes into account present, past and possible future errors in the bandwidth adjustment, this self-adapting technique results in a very robust process. Simulation results exhibit that not only is it faster and more stable than other algorithms, but also it auto-adapts the resources very efficiently when facing real time changes in the network parameters or in the bandwidth conditions. In fact, the standard deviation of the difference between the allocated and the guaranteed bandwidth is reduced by up to 50% and the convergence speed is up to four times quicker than other proposals.

© 2012 OSA

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(060.4256) Fiber optics and optical communications : Networks, network optimization

ToC Category:
Research Papers

History
Original Manuscript: July 29, 2011
Revised Manuscript: March 26, 2012
Manuscript Accepted: March 28, 2012
Published: April 17, 2012

Citation
Tamara Jiménez, Noemi Merayo, Patricia Fernández, Ramón J. Durán, Ignacio de Miguel, Rubén M. Lorenzo, and Evaristo J. Abril, "Implementation of a PID Controller for the Bandwidth Assignment in Long-Reach PONs," J. Opt. Commun. Netw. 4, 392-401 (2012)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-4-5-392

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