Title :
INS/FMCW radar integrated local positioning system
Author :
Al-Qudsi, B. ; Edwan, E. ; Joram, N. ; Ellinger, F.
Author_Institution :
Dept. for Circuit Design & Network Theor., Tech. Univ. Dresden, Dresden, Germany
Abstract :
The aim of this research paper is to explore the feasibility of integrating an inertial measurement unit (IMU) with a frequency-modulated continuous wave (FMCW)-based local positioning system (LPS) to mitigate the effects of multipath bias in highly reflective indoor scenarios. The LPS uses a time difference of arrival (TDOA) positioning scheme. The IMU consists of accelerometer and gyroscope triads. Using a proper integration algorithm combined with a zero-velocity update (ZUPT) technique, a mitigation of about 40% is achieved in terms of the overall LPS position absolute error.
Keywords :
CW radar; FM radar; accelerometers; direction-of-arrival estimation; gyroscopes; inertial navigation; measurement errors; ´MU; FMCW radar; INS; LPS position absolute error; TDOA positioning scheme; ZUPT technique; accelerometer; frequency modulated continuous wave; gyroscope; inertial measurement unit; integration algorithm; local positioning system; multipath bias effects mitigation; time difference of arrival; zero-velocity update; Accuracy; Base stations; Chirp; Frequency modulation; Mobile communication; Radar measurements;
Conference_Titel :
Inertial Sensors and Systems Symposium (ISS), 2014 DGON
DOI :
10.1109/InertialSensors.2014.7049478
