针对建筑群监控的无线传感器网络设计

现代建筑群结构复杂、楼层多,对其实现集中监控的无线传感器网络的网络容量需求大,且在多障碍物的复杂环境下保障无线通信链路具有一定难度。通过分析对比现有主要无线通信技术的特点,设计了一种融合Zigbee技术与433 MHz射频通讯技术的无线传感器网络模型,其中Zigbee网络的实现采用TI公司的Z-STACK协议栈和CC2530 Zigbee模块,433 MHz射频通讯模块选用RFM69H。试验结果表明,该传感器网络能实现半径约600 m的区域内建筑群覆盖,丢包率低于5%,能保障较好的网络服务质量(Qos),整个网络通信在ISM频段,成本低,具有一定应用前景。

Design of Wireless Sensor Network for Buildings Monitoring

The structure of modern buildings is complex and high-rise, and the wireless sensor network(WSN) for centralized monitoring of the buildings must have a large network capacity, and there is certain difficulty in wireless communication link security under the complex multi obstacles environment. Designed a wireless sensor network model integrating Zigbee technology and 433 MHz radio communication technology, in which Zigbee network using the Z-STACK protocol and CC2530 Zigbee module of TI company and the 433 MHz radio communication module using RFM69H. The test results show that this WSN can cover a building area of a radius of 600 m, the packet loss rate is less than 5% and promises a good network service quality(Qos). The network communication is at ISM band with low cost, and the WSN has a good application prospect.