Result: Comparative simulation study of fast heuristics for power control in copper broadband networks

Title:
Comparative simulation study of fast heuristics for power control in copper broadband networks
Authors:
WOLKERSTORFER, Martin, NORDSTRÖM, Tomas
Source:
Signal processing. 104:437-449
Publisher Information:
Amsterdam: Elsevier, 2014.
Publication Year:
2014
Physical Description:
print, 30 ref
Original Material:
INIST-CNRS
Subject Terms:
Telecommunications, Télécommunications, Sciences exactes et technologie, Exact sciences and technology, Sciences appliquees, Applied sciences, Telecommunications et theorie de l'information, Telecommunications and information theory, Théorie de l'information, du signal et des communications, Information, signal and communications theory, Théorie du signal et des communications, Signal and communications theory, Signal, bruit, Signal, noise, Détection, estimation, filtrage, égalisation, prédiction, Detection, estimation, filtering, equalization, prediction, Gestion ressources, Resource management, Gestión recursos, Accès multiple, Multiple access, Acceso múltiple, Algorithme, Algorithm, Algoritmo, Allocation puissance, Power allocation, Asignación potencia, Allocation ressource, Resource allocation, Asignación recurso, Commande puissance, Power control, Control potencia, Débit information, Information rate, Índice información, Etude comparative, Comparative study, Estudio comparativo, Ligne abonné numérique, Digital subscriber line, Línea abonado digital, Méthode combinatoire, Combinatorial method, Método combinatorio, Méthode heuristique, Heuristic method, Método heurístico, Porteuse multiple, Multicarrier, Multiportadura, Réseau large bande, Broadband networks, Simulation, Simulación, Solution optimale, Optimal solution, Solución óptima, Sous porteuse, Subcarrier, Subportadora, Système télécommunication, Telecommunication system, Sistema telecomunicación, Traitement signal, Signal processing, Procesamiento señal, Transmission haut débit, High rate transmission, Transmisión alta caudal, Transmission information, Information transmission, Transmisión información, Digital subscriber lines, Meta-heuristics
Document Type:
Academic journal Article
File Description:
text
Language:
English
Author Affiliations:
FTW Telecommunications Research Center Vienna, Donau-City-Strasse 1, 1220 Vienna, Austria
Centre for Research on Embedded Systems (CERES), Halmstad University, Box 823, 30118 Halmstad, Sweden
ISSN:
0165-1684
Access URL:
http://pascal-francis.inist.fr/vibad/index.php?action=search&terms=28541414
Rights:
Copyright 2015 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Notes:
Telecommunications and information theory
Accession Number:
edscal.28541414
Database:
PASCAL Archive

Further Information

The data-rate in currently deployed multi-carrier digital subscriber line (DSL) communication systems is limited by the interference among copper lines. This interference can be alleviated by multi-user transmit power allocation. Problem decomposition results in a large number of per-subcarrier problems. Our objective is to solve these nonconvex integer per-subcarrier power control problems at low complexity. For this purpose we develop ten combinatorial heuristics and test them by simulation under a small complexity budget in scenarios with tens of DSL users, where optimal solutions are currently intractable. Simulation results lead us to the conclusion that simple randomized greedy heuristics extended by a specific local search perform well despite the stringent complexity restriction. This has implications on multi-user discrete resource allocation algorithms, as these can be designed to jointly optimize transmit power among users even in large-scale scenarios.