Channel assignment in IEEE 802.11-based substitution networks

Anthony Busson 1 Isabelle Lassous 1 Ha Pham The Anh 1
1 DANTE - Dynamic Networks : Temporal and Structural Capture Approach
Inria Grenoble - Rhône-Alpes, LIP - Laboratoire de l'Informatique du Parallélisme, IXXI - Institut Rhône-Alpin des systèmes complexes
Abstract : A substitution network is a rapidly deployable wireless network that provides a backup solution to quickly react to failures on an existing network. We consider a substitution network scenario where wireless routers are equipped with several Wi-Fi cards. The problem addressed in this paper deals with the channel assignment of these wireless interfaces. In this particular context, it is possible to derive an objective function that estimates precisely the overall throughput that can be achieved. This problem is formulated through a linear optimization problem for which we propose a heuristics. Solutions give the channel assignments but also the optimal traffic load sharing between the different paths of the substitution network. Simulation results, performed with ns-3, compare our heuristics to the optimum and to classical approaches.
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Anthony Busson, Isabelle Lassous, Ha Pham The Anh. Channel assignment in IEEE 802.11-based substitution networks. BalkanCom 2018 - Second International Balkan Conference on Communications and Networking, Jun 2018, Podgorica, Montenegro. pp.1-5. ⟨hal-01906335⟩

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