Energy Efficient Embedded Wireless System Used For Localisation In Indoor Environments

被引：0
|
作者：
Fourty, Nicolas [1 ]
Charlon, Yoann [2 ,3 ,4 ]
Campo, Eric [2 ,3 ,4 ]
机构：
[1] Univ Grenoble 2, LCIS, IUT Valence, F-26901 Valence, France
[2] CNRS, LAAS, F-31077 Toulouse 4, France
[3] Univ Toulouse, F-31077 Toulouse 4, France
[4] LAAS, UTM, UT1, UPS,INSA,INP,ISAE, F-31077 Toulouse 4, France
来源：
PROCEEDINGS OF SENSORDEVICES 2011: THE SECOND INTERNATIONAL CONFERENCE ON SENSOR DEVICE TECHNOLOGIES AND APPLICATIONS | 2011年
关键词：
wireless sensors; telemetry; low power; ultrasonic; localization; 802.15.4; indoor environment;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The paper presents an embedded telemetry system used in combination of localisation algorithm for a precise indoor pedestrian localisation. The system is based on the association of two wireless technologies: ultrasonic and 802.15.4. The novelty is the use of 802.15.4 RF signal to give the reference starting time of the ultrasonic emission. A ToA (Time of Arrival) measurement provides the distance between two mobiles or a mobile and a fixed beacon with a few centimeters accuracy. A material prototype implementing this method was performed and a first evaluation was conducted.
引用
收藏
页码：44 / 49
页数：6
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