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ROADEF Challenge Session - Frequency and Polarization Allocation

Participate in the ROADEF 2001 Challenge on frequency and polarization allocation for dense networks. Solve NP-complete problems with multiple objectives. Understand the mathematical formulation and constraints involved. Join senior and junior teams for presentations and awards.

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ROADEF Challenge Session - Frequency and Polarization Allocation

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  1. Planning du Challenge Session JE-A7, 10h-12h, équipes Senior, 1 présentation du sujet 20’ + 3 exposés 25’. Session JE-B7, 14h30-16h, équipes Junior, 1 bref rappel du sujet 10’ + 4 exposés 20’. Remise des prix au dîner de FRANCORO III http://www.roadef.org

  2. Equipes Junior 0. T. Defaix, DGA-CELAR. 1. B. Weinberg, LIFL, Univ. Lille 1. 2. D. Schindl, N. Zufferey et A. Hertz, EPFL. 3. H. Gavranovic, IMAG+Univ. u Sarajevu. 4. F. Buscaylet, F. Dru, F. Faure, F. Pernias, LIA, Univ. Avignon. http://www.roadef.org

  3. Challenge ROADEF 2001 Allocation de fréquences et de polarisations

  4. Environnement F1 F2 F3 Cible Faisceaux hertziens Allocation des ressources : - Réseau dense - Environnement dense

  5. Formulation mathématique Domaines fréquentiels : F0, F1,...,FN Domaines des polarisations : P-1={-1}, P1={1}, P0={-1,1} Pour chaque trajet iT : Allouer fiF(i) et piP(i) Contraintes : Le problème est NP complet.

  6. Objectifs et fonction de coût • Notation : • Trois objectifs classés dans l ’ordre d ’importance : • Minimiser k • Minimiser le nombre de contraintes non satisfaites au niveau k-1 • Minimiser les insatisfactions aux niveaux < k-1 • Fonction de coût : avec

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