Experimental characterization of wireless sensor networks for industrial applications

被引:50
作者
Bertocco, Matteo [1 ]
Gamba, Giovanni [1 ]
Sona, Alessandro [1 ]
Vitturi, Stefano [1 ,2 ]
机构
[1] Univ Padua, Dept Informat Engn, I-35131 Padua, Italy
[2] Italian Natl Res Council IEIIT CNR, Inst Elect Informat Engn & Telecommun, I-20133 Milan, Italy
关键词
alarm latency measurement; carrier-sense multiple access with collision avoidance (CSMA/CA); IEEE; 802.15.4; industrial monitoring; wireless sensor network (WSN);
D O I
10.1109/TIM.2008.925344
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The effects of interference in the setup of wireless sensor networks (WSNs) represent a critical issue, and as such, it needs to be carefully addressed. To this aim, helpful information can be achieved through measurements to be carried out in advance on suitable prototypes and testbeds. In this paper, the measurement of industrial WSN performance is dealt with. In particular, a suitable testbed enlisting IEEE 802.15.4 wireless sensor nodes is presented along with the results of some experiments carried out even in the presence of interference. The purpose is to show how to evaluate some specific parameters of a WSN employed for industrial applications to obtain useful information for its setup optimization in the presence of interference. The analysis will show that from the measurement of these parameters (number of failed pollings, polling round-trip time, experimental cycle time, and alarm latency), interference effects can effectively be recognized, and the network setup can be optimized.
引用
收藏
页码:1537 / 1546
页数:10
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