Abstract
Moisture sensor acquires data of moisture content and water height of farmland; the data are transmitted by wireless sensor network and stored in data server to provide data mining and decision support for users, the utilization of wireless moisture sensor network could facilitate the excellent growth of crops and sustainable development of water resources. Based on self-design moisture sensor and actual monitoring needs of farmland moisture, this paper presents the architecture of wireless moisture sensor network and format of moisture data packet, designs the mechanisms of hierarchical storage, hierarchical error control and retransmission. Especially, the paper analyzes and simulates the mechanism of error control from respects of consuming time and correcting error ability, simulation results show that BCH coding is more suitable for wireless moisture sensor network than RS coding.
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