Abstract
We consider the problem of scheduling wireless links in the physical model, where we seek a partition of a given a set of wireless links into the minimum number of subsets satisfying the signal-to-interference-and-noise-ratio (SINR) constraints. We consider the two families of approximation algorithms that are known to guarantee \(O(\log {n})\) approximation for the scheduling problem, where n is the number of links. We present network constructions showing that the approximation ratios of those algorithms are no better than logarithmic, both in n and in \(\varDelta \), where \(\varDelta \) is a geometric parameter – the ratio of the maximum and minimum link lengths.
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Halldórsson, M.M., Konrad, C., Tonoyan, T. (2015). Limitations of Current Wireless Scheduling Algorithms. In: Bose, P., Gąsieniec, L., Römer, K., Wattenhofer, R. (eds) Algorithms for Sensor Systems. ALGOSENSORS 2015. Lecture Notes in Computer Science(), vol 9536. Springer, Cham. https://doi.org/10.1007/978-3-319-28472-9_6
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DOI: https://doi.org/10.1007/978-3-319-28472-9_6
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