Iterative power pricing for distributed spectrum coordination in DSL

  • Authors:
  • Yair Noam;Amir Leshem

  • Affiliations:
  • Department of Electrical Engineering, Tel-Aviv University, Tel-Aviv, Israel;School of Engineering, Bar-Ilan University, Ramat-Gan, Israel and Dept. of EEMCS, Delft University of Technology, Delft, The Netherlands

  • Venue:
  • IEEE Transactions on Communications
  • Year:
  • 2009

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Abstract

In this letter we propose a novel distributed technique for dynamic spectrum management of DSL lines. The proposed method generalizes several known techniques, by imposing pricing for use of spectrum. We propose a simple mechanism that allows each line to choose an appropriate pricing function independently of the other lines. Finally, by incorporating a total power constraint, the algorithm is capable of self-correcting an overly ambitious pricing function. We also provide simulated examples based on measured DSL lines.