High Accuracy Ultra Wideband Real Time Location System for
 Drug Rehabilitation Center

doi:10.16183/j.cnki.jsjtu.2020.01.010

Abstract

Abstract: To satisfy the needs of intelligent supervision in drug rehabilitation center, a novel high-accuracy real-time location system based on ultra wideband (UWB) technology is proposed. Compared to ZigBee and Wi-Fi location systems, the UWB location system well improves the detection accuracy. The error sources of UWB system are analyzed and the delay parameter is corrected with a newly proposed parameter. The ranging function of system is used as geo-fencing, limiting the activity area of patients. The locating function of the system can calculate the position of patients and paint their positions on the screen simultaneously. Experiments indicate that the ranging error is lower than 7cm, the refresh rate is larger than 10Hz, the locating error is lower than 20cm, and the refresh rate is larger than 5Hz. The whole system has a good accuracy and real-time capability.

Key words: ultra-wide band(UWB) technology; drug rehabilitation center; intelligent supervision; high-accuracy ranging; real-time location

CLC Number:

TP 391

SUN Mingyang,YAN Guozheng,LIU Dasheng,WANG Zhiwu,HAN Ding,ZHAO Kai,YANG Lei. High Accuracy Ultra Wideband Real Time Location System for Drug Rehabilitation Center[J]. Journal of Shanghai Jiaotong University, 2020, 54(1): 76-84.

References

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High Accuracy Ultra Wideband Real Time Location System for Drug Rehabilitation Center

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