Abstract
On-demand routing protocols in wireless ad-hoc (mesh) networks use route requests to search for a routing path. To determine a route that optimizes a metric function, an intermediate node retransmits a route request that has a lower metric value. This can create flooding waves, where a large number of route requests are retransmitted through the network. In this paper, we study different classes of node load-based metric functions that are useful in sensor networks and telephony applications. We tackle the problem of determining optimal routes while minimizing flooding waves. We define a notion of efficient flooding and show that an online algorithm can discover an optimal metric path while achieving efficient flooding for a sum load metric, but this is not possible for a min-max load metric. We simulate an online algorithm that is provably efficient in terms of flooding for some classes of metrics and analyze its performance for different load-based metric functions.
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Gobriel, S., Krishnakumar, A.S., Krishnan, P., Yajnik, S. (2008). Load-Based Metrics and Flooding in Wireless Mesh Networks. In: Li, Y., Huynh, D.T., Das, S.K., Du, DZ. (eds) Wireless Algorithms, Systems, and Applications. WASA 2008. Lecture Notes in Computer Science, vol 5258. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-88582-5_11
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DOI: https://doi.org/10.1007/978-3-540-88582-5_11
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