The European Physical Journal B

, Volume 73, Issue 4, pp 597–604 | Cite as

Heterogeneous attachment strategies optimize the topology of dynamic wireless networks

Interdisciplinary Physics

Abstract

In optimizing the topology of wireless networks built of a dynamic set of spatially embedded agents, there are many trade-offs to be dealt with. The network should preferably be as small (in the sense that the average, or maximal, pathlength is short) as possible, it should be robust to failures, not consume too much power, and so on. In this paper, we investigate simple models of how agents can choose their neighbors in such an environment. In our model of attachment, we can tune from one situation where agents prefer to attach to others in closest proximity, to a situation where agents attach to random others regardless of distance (which thus are, on average, further away than the connections to the spatial neighbors). We evaluate this scenario with several performance measures and find that the optimal topologies, for most of the quantities, is obtained for strategies resulting in a mix of most local and a few random connections.

Keywords

Power Consumption Medium Access Control Optimal Topology Symbol Size Random Edge 

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.Department of PhysicsUmeå UniversityUmeåSweden
  2. 2.Department of Energy ScienceSungkyunkwan UniversitySuwonKorea
  3. 3.School of Computer Science and Communication, Royal Institute of TechnologyStockholmSweden
  4. 4.Department of PhysicsBK21 Physics Research Division and Institute of Basic Science, Sungkyunkwan UniversitySuwonKorea
  5. 5.Access Linneaus Centre, Royal Institute of TechnologyStockholmSweden

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