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Backbone colouring and algorithms for TDMA scheduling

Julien Bensmail 1 Thibaut Blanc 2 Nathann Cohen 3 Frédéric Havet 1 Leonardo Rocha 4
1 COATI - Combinatorics, Optimization and Algorithms for Telecommunications
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
3 GALaC - LRI - Graphes, Algorithmes et Combinatoire (LRI)
LRI - Laboratoire de Recherche en Informatique
Abstract : We investigate graph colouring models for the purpose of optimizing TDMA link scheduling in Wireless Networks. Inspired by the BPRN-colouring model recently introduced by Rocha and Sasaki, we introduce a new colouring model, namely the BMRN-colouring model, which can be used to model link scheduling problems where particular types of collisions must be avoided during the node transmissions. In this paper, we initiate the study of the BMRN-colouring model by providing several bounds on the minimum number of colours needed to BMRN-colour digraphs, as well as several complexity results establishing the hardness of finding optimal colourings. We also give a special focus on these considerations for planar digraph topologies, for which we provide refined results.
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Submitted on : Thursday, June 20, 2019 - 1:40:52 PM
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  • HAL Id : hal-01851600, version 4


Julien Bensmail, Thibaut Blanc, Nathann Cohen, Frédéric Havet, Leonardo Rocha. Backbone colouring and algorithms for TDMA scheduling. Discrete Mathematics and Theoretical Computer Science, DMTCS, 2019, Vol. 21 no. 3 (3), pp.#24. ⟨hal-01851600v4⟩



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