Derivative based real-time spectrum coordination for DSL. Verdyck, J., Blondia, C., & Moonen, M. In 2016 24th European Signal Processing Conference (EUSIPCO), pages 305-309, Aug, 2016. Paper doi abstract bibtex In digital subscriber line systems, spectrum coordination is a powerful technique to improve performance. A typical spectrum coordination algorithm employs an iterative procedure to solve the rate adaptive spectrum management problem. These iterative procedures deliver a feasible result only after convergence, and are therefore mostly unable to deal with real-time computational constraints. Recently, the new paradigm of so-called real-time dynamic spectrum management has been defined. This paper presents a simple and powerful framework for real-time spectrum coordination based on bicoordinate ascent methods. This framework is then used to define a novel derivative based real-time spectrum coordination algorithm with provable convergence properties, referred to as fast derivative based iterative power difference balancing (FDB-IPDB). Simulation results show a significant improvement in performance compared to the state of the art.
@InProceedings{7760259,
author = {J. Verdyck and C. Blondia and M. Moonen},
booktitle = {2016 24th European Signal Processing Conference (EUSIPCO)},
title = {Derivative based real-time spectrum coordination for DSL},
year = {2016},
pages = {305-309},
abstract = {In digital subscriber line systems, spectrum coordination is a powerful technique to improve performance. A typical spectrum coordination algorithm employs an iterative procedure to solve the rate adaptive spectrum management problem. These iterative procedures deliver a feasible result only after convergence, and are therefore mostly unable to deal with real-time computational constraints. Recently, the new paradigm of so-called real-time dynamic spectrum management has been defined. This paper presents a simple and powerful framework for real-time spectrum coordination based on bicoordinate ascent methods. This framework is then used to define a novel derivative based real-time spectrum coordination algorithm with provable convergence properties, referred to as fast derivative based iterative power difference balancing (FDB-IPDB). Simulation results show a significant improvement in performance compared to the state of the art.},
keywords = {convergence of numerical methods;digital subscriber lines;iterative methods;radio spectrum management;DSL system;derivative-based real-time spectrum coordination;digital subscriber line system;spectrum coordination algorithm;iterative procedure;rate adaptive spectrum management problem;real-time computational constraint;real-time dynamic spectrum management paradigm;bicoordinate ascent method;convergence properties;fast derivative based iterative power difference balancing algorithm;F-DB-IPDB algorithm;Real-time systems;Radio spectrum management;DSL;Crosstalk;Signal to noise ratio;Heuristic algorithms},
doi = {10.1109/EUSIPCO.2016.7760259},
issn = {2076-1465},
month = {Aug},
url = {https://www.eurasip.org/proceedings/eusipco/eusipco2016/papers/1570256496.pdf},
}
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