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On Connectivity Limits in Ad Hoc Networks with Beamforming Antennas
EURASIP Journal on Wireless Communications and Networking volume 2009, Article number: 878419 (2009)
Abstract
Multihop wireless networks will play an important role in future communication networks. Beamforming antennas have shown great potential to improve the connectivity in these networks; however only heuristic approaches exist to assess the benefits of this technology. Using the popular "keyhole" antenna model, we formulate a Mixed Integer Program (MIP) capable of acquiring optimal antenna configurations for path probability with various auxiliary constraints, node degree, and k-connectivity. We employ a problem-specific large-scale optimization approach named "column generation" to be able to cope with realistic scenario sizes without sacrificing optimality. In a case study, we show the feasibility of our optimization approach and demonstrate that "smarter" beamforming heuristics would still have plenty of room to improve the connectivity of such a network.
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Kiese, M., Hartmann, C., Lamberty, J. et al. On Connectivity Limits in Ad Hoc Networks with Beamforming Antennas. J Wireless Com Network 2009, 878419 (2009). https://doi.org/10.1155/2009/878419
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DOI: https://doi.org/10.1155/2009/878419