作者: Ville Kaseva , Timo D Hämäläinen , Marko Hännikäinen
DOI: 10.1109/UPINLBS.2010.5654345
关键词:
摘要: Wireless Sensor Networks (WSNs) consist of densely deployed, independent, and collaborating low cost sensor nodes. The nodes are highly resource-constrained in terms energy, processing, data storage capacity. Thus, the protocols used WSNs must be energy-efficient. WSN communication achieving lowest power consumption minimize radio usage by accurately synchronizing transmissions receptions with their neighbors. In this paper, we show how network signaling frames state-of-the-art synchronized for low-power supporting mobile can positioning. We derive mathematical models node analysis. provide a tool estimating what kind lifetimes expected when average positioned speed, amount anchor required location estimation algorithm, refresh rate application known. presented analysis results based on two kinds hardware: real hardware prototypes having no Received Signal Strength Indicator (RSSI) support typical values an integrated chip using IEEE 802.15.4 compliant RSSI.