基于MSP 430的无线传感器网络节点的研究与实现

Research and Development of Wireless Sensor Networks Node Based on MSP430

分析传感器网络应用中现存的问题,在此基础上提出基于低功耗微控制器MSP430和嵌入式操作系统Webit5.0的无线传感器网络节点的设计与实现.通过使用MCU的不同运行模式及对传感模块、无线收发模块的动态电源管理等节能措施,大幅降低了传感器节点的能耗,延长了传感器节点的使用寿命.其次分析了传感器网络路由及节点自适应性,提出了一种新的组网方法,有效降低了自组织网络的复杂度及发送数据的冲突率,提高了网络的效率及节点的自适应能力.经测试系统有很高的可靠性及可扩展性,对各种不同应用环境具有很强的适应性.

Analyze the problem existent in wireless sensor networks, proposed a design of wireless sensor networks nodes based on ultralow-power microcontroller MSP430 and embedded operating system Webit5. 0. Through using the energy-saving measure of different MCIJ mode and the dynamic power management of sensor and wireless module, reduce the energy consume and protract the life of wireless sensor networks node. Discuss the wireless sensor networks routing and the self-adaptive of sensor node. Then, propose a new method of network to reduce the complexity of network and the collision rate when send data, meanwhile, enhance the efficiency of network and the ability of self-adaptive of sensor node. Finally,an experiment has been taken to prove the reliability and extensibility of the system, which ensures a strong adaptability for different application environments.