【作者】 郭亮； 肖志涛；

【Author】 Guo liang Xiao Zhitao (School of Information and Communication Engineering,Tianjin Polytechnic University, Tianjin 300160 China)

【机构】 天津工业大学信息与通信工程学院；

【摘要】 围绕粮仓无线监控系统的设计与开发,首先研究了基于Si4432的粮仓无线监控系统的整体结构,并提出了基于Si4432无线通信终端的软硬件设计方案;为提高节点的传输效率和降低系统能耗,系统采用基于间歇工作方式的中心集控虚拟令牌机制的网络调度机制。实验表明,基于Si4432传输的无线监控系统具有通信距离远、传输效率高、使用功耗低等优点,为粮仓无线监控提供了可靠的技术保障。更多还原

【Abstract】 Centering on the research and practice of wireless monitoring system of grain depot, this paper puts forward systematic structure of wireless monitoring system based on Si4432,and introduces software and hardware design of wireless communication terminal based on Si4432.In order to enhance the transmission efficiency and lowering the power-waste,the system used a network scheduling mechanism based on center controlled virtual token of intermittent working.The application shows that the wireless monitoring system based on Si4432 has advantage such as far communication distance,higher transmission efficiency,and lower power consumption.It offered a reliable technological guarantee for wireless monitoring system of grain depot.更多还原