| Summary: | 碩士 === 淡江大學 === 資訊工程學系碩士班 === 94 === Wireless sensor networks consist of small nodes with sensing, computation and wireless communication capabilities. In many emerging application scenarios (e.g., battlefield surveillance, large-area and perimeter monitoring in agriculture, and autonomous ocean scientific sampling), a large number of such simple immobile nodes are deployed in a vast geographical area to monitor activities or environmental conditions.
The energy efficiency is a substantial key design issue in such networks. An efficient routing protocol is critical to prolong the life of sensor nodes. Several methods for transmitting data in randomly deployed sensor nodes have been proposed, including direct communication, flat and clustering protocols. In this paper, we propose a Tree-Based Multipath Routing Protocol (TMRP) for wireless sensor networks. According to the proposed TMRP, the wireless sensor network is initially constructed as a layered network. Based on the layered network, sensor nodes have multipath routes to the sink node through candidate parent nodes. In this paper, the verification simulation is also executed to prove the proposed TMRP can increase the lifetime of sensor networks better than other protocol
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