Abstract:
In this work we study a particular way of dealing with interference in combinatorial optimization models representing wireless communication networks. In a typical wireless network, co-channel interference occurs whenever two overlapping antennas use the same frequency channel, and a less critical interference is generated whenever two overlapping antennas use adjacent channels. This motivates the formulation of the minimum-adjacency vertex coloring problem which, given an interference graph G representing the potential interference between the antennas and a set of prespecified colors/channels, asks for a vertex coloring of G minimizing the number of edges receiving adjacent colors. We propose an integer programming model for this problem and present three families of facet-inducing valid inequalities. Based on these results, we implement a branch-and-cut algorithm for this problem, and we provide promising computational results. © 2011 Elsevier B.V. All rights reserved.
Registro:
Documento: |
Artículo
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Título: | A branch-and-cut algorithm for the minimum-adjacency vertex coloring problem |
Autor: | Delle Donne, D.; Marenco, J. |
Filiación: | Computer Science Department, FCEN, Ciudad Universitaria, 1428 Buenos Aires, Argentina Sciences Institute, National University of General Sarmiento, J.M. Gutiérrez y J. Verdi, Malvinas Argentinas, (1613) Buenos Aires, Argentina
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Palabras clave: | Adjacent colors; Frequency assignment; Integer programming; Adjacent channels; Adjacent colors; Branch-and-cut algorithms; Computational results; Frequency assignments; Frequency channels; Integer programming models; Interference graphs; Potential interferences; Valid inequality; Vertex coloring; Vertex coloring problems; Wireless communication network; Algorithms; Antennas; Cochannel interference; Combinatorial optimization; Computer programming; Graph theory; Wireless networks; Wireless telecommunication systems; Integer programming |
Año: | 2011
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Volumen: | 8
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Número: | 4
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Página de inicio: | 540
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Página de fin: | 554
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DOI: |
http://dx.doi.org/10.1016/j.disopt.2011.05.003 |
Título revista: | Discrete Optimization
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Título revista abreviado: | Discrete Optim.
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ISSN: | 15725286
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PDF: | https://bibliotecadigital.exactas.uba.ar/download/paper/paper_15725286_v8_n4_p540_DelleDonne.pdf |
Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15725286_v8_n4_p540_DelleDonne |
Referencias:
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Citas:
---------- APA ----------
Delle Donne, D. & Marenco, J.
(2011)
. A branch-and-cut algorithm for the minimum-adjacency vertex coloring problem. Discrete Optimization, 8(4), 540-554.
http://dx.doi.org/10.1016/j.disopt.2011.05.003---------- CHICAGO ----------
Delle Donne, D., Marenco, J.
"A branch-and-cut algorithm for the minimum-adjacency vertex coloring problem"
. Discrete Optimization 8, no. 4
(2011) : 540-554.
http://dx.doi.org/10.1016/j.disopt.2011.05.003---------- MLA ----------
Delle Donne, D., Marenco, J.
"A branch-and-cut algorithm for the minimum-adjacency vertex coloring problem"
. Discrete Optimization, vol. 8, no. 4, 2011, pp. 540-554.
http://dx.doi.org/10.1016/j.disopt.2011.05.003---------- VANCOUVER ----------
Delle Donne, D., Marenco, J. A branch-and-cut algorithm for the minimum-adjacency vertex coloring problem. Discrete Optim. 2011;8(4):540-554.
http://dx.doi.org/10.1016/j.disopt.2011.05.003