给定聚合树下的收敛调度问题:复杂性现状及一些特殊情况

2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) Pub Date : 2016-07-20 DOI:10.1109/CSNDSP.2016.7574007

A. Erzin, A. Pyatkin

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引用次数: 16

摘要

研究分布式无线网络中无冲突的数据聚合问题，即聚合调度问题。一般来说，这个问题是强np困难的。然而，在给定聚合树的情况下，问题的复杂性状态仍然是开放的。我们已经证明，在这种情况下，问题也是np困难的。此外，我们在网格图的特殊情况下提出了几个新的近似次优解。

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Convergecast scheduling problem in case of given aggregation tree: The complexity status and some special cases

We consider the problem of conflict-free data aggregation in distributed wireless radio networks, that is known as a Convergecast Scheduling Problem. This problem is strongly NP-hard in general. However the complexity status of the problem remained open in the case when the aggregation tree was given. We have proved that in this case, the problem is also NP-hard. Additionally, we proposed several new approximate suboptimal solutions in the special cases of the problem on the grid graphs.

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2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)

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