基于CC2530的無線傳感器網絡網關節(jié)點的設計
[Abstract]:[objective] in view of the existing agricultural environment monitoring gateway equipment development cost is high, the system power consumption is large, the operation is complex and so on. A kind of wireless sensor network gateway node for agricultural environmental monitoring is designed and developed. [methods] the gateway node uses low power chip CC2530 as the core processing unit, through the peripheral state indicator circuit, power management module, and so on, the gateway node uses the low power consumption chip CC2530 as the core processing unit. Complete the ZigBee network networking and monitoring node data collection and processing functions; At the same time, the SIM900A module is connected by serial port, and the monitoring data is uploaded to the central server by GPRS. Finally, the error packet rate of monitoring data and the signal receiving intensity are tested in farmland, and the stability and reliability of the system are verified by field deployment test. [results] the designed gateway node can realize the collection of four kinds of agricultural environmental data. When the node spacing is less than 120m, the data transmission error rate is less than 1%, and the monitoring data changes continuously during the 30-day farmland test period, and can be uploaded to the server for a long time, and the data is stable. [conclusion] the designed and developed CC2530-based gateway node has the characteristics of low packet loss rate, stable operation and reliable operation, which can meet the monitoring needs of a variety of agricultural environmental factors, and has a good application prospect.
【作者單位】: 西北農林科技大學機械與電子工程學院;
【基金】:“十二五”國家科技支撐計劃項目(2012BAH29B04-00) 陜西省科學技術研究發(fā)展計劃項目(2012KJXX-14)
【分類號】:S126;TN929.5;TP212.9
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