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|Title:||Energy balanced data gathering in WSNs with grid topologies|
|Citation:||Proceedings of the 7th International Conference on Grid and Cooperative Computing, 24-26 October, 2008|
|Conference Name:||International Conference on Grid and Cooperative Computing (7th : 2008 : Shenzhen, China)|
|Jing Chen, Hong Shen and Hui Tian|
|Abstract:||Data gathering in a wireless sensor network works in a way that a sink collects data from a large number of sensor nodes. Traditionally, the hop-by-hop transmission is used in this many-to-one communication. In this communication pattern, the closer a sensor node is to the sink, the sooner its energy is exhausted. The nodes close to the sink need to route data packets for farther nodes and thus the unbalanced energy consumption results in a short network lifetime. In this paper we discuss the problem of balancing energy consumption of the WSN with grid topology and propose a randomized data gathering scheme. In our scheme, direct transmission is tradeoff by hop-by-hop transmission so as to protect the sensor nodes with higher load burden from early exhaustion. The network lifetime is thus prolonged.|
|Appears in Collections:||Computer Science publications|
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