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A Cluster-based Power-Efficient Routing Protocol for Sensor Networks  

Kweon, Ki-Suk (한국과학기술원 전산학과)
Lee, Seung-Hak (한국과학기술원 전산학과)
Yun, Hyun-Soo (한국과학기술원 전산학과)
Abstract
Sensor network consists of a large number of sensor nodes that are densely deployed either inside the phenomenon or very close to it. The life time of each node in the sensor network significantly affects the life time of whole sensor network. A node which drained out its battery may incur the partition of whole network in some network topology The life time of each node depends on the battery capacity of each node. Therefore if all sensor nodes in the network live evenly long, the life time of the network will be longer. In this paper, we propose Cluster-Based Power-Efficient Routing (CBPER) Protocol which provides scalable and efficient data delivery to multiple mobile sinks. Previous r(luting protocols, such as Directed Diffusion and TTDD, need to flood many control packets to support multiple mobile sinks and many sources, causing nodes to consume their battery. In CBPER, we use the fact that sensor nodes are stationary and location-aware to construct and maintain the permanent grid structure, which makes nodes live longer by reducing the number of the flooding control packets. We have evaluated CBPER performance with TTDD. Our results show that CBPER is more power-efficient routing protocol than TTDD.
Keywords
Sensor Network; Power-Efficient Routing Protocol; Location-Aware Routing Protocol;
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