Investigation of High-Accuracy Indoor 3-D Positioning Using UWB Technology
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- 6 June 2008
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Microwave Theory and Techniques
- Vol. 56 (6), 1316-1330
- https://doi.org/10.1109/tmtt.2008.923351
Abstract
There are many challenges in building an ultra-wideband (UWB) indoor local positioning system for high-accuracy applications. These challenges include reduced accuracy due to multipath interference, sampling rate limitations, tag synchronization, and antenna phase-center variation. Each of these factors must be addressed to achieve millimeter or sub-millimeter accuracy. The developed system architecture is presented where a 300-ps Gaussian pulse modulates an 8-GHz carrier signal and is transmitted through an omni-directional UWB antenna. Receiver-side peak detection, a low-cost subsequential-sampling mixer utilizing a direct digital synthesizer, high fidelity 10-MHz crystals, and Vivaldi phase-center calibration are utilized to mitigate these challenging problems. Synchronized and unsynchronized experimental results validated with a sub-millimeter accurate optical tracking system are presented with a detailed discussion of various system errors.Keywords
This publication has 44 references indexed in Scilit:
- Distributed weighted-multidimensional scaling for node localization in sensor networksACM Transactions on Sensor Networks, 2006
- Location accuracy of an UWB localization system in a multi-path environmentPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2006
- Joint time-scale and TDOA estimation: analysis and fast approximationIEEE Transactions on Signal Processing, 2005
- Locating the nodes: cooperative localization in wireless sensor networksIEEE Signal Processing Magazine, 2005
- An overview of ultra wide band indoor channel measurements and modelingIEEE Microwave and Wireless Components Letters, 2004
- Evaluation of an ultra-wide-band propagation channelIEEE Transactions on Antennas and Propagation, 2002
- Measurement results and modeling aspects for the UWB radio channelPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- A broadband microstrip-to-slot-line transitionMicrowave and Optical Technology Letters, 1998
- Jitter analysis of high speed sampling systemsPublished by Institute of Electrical and Electronics Engineers (IEEE) ,1989
- A Statistical Model for Indoor Multipath PropagationIEEE Journal on Selected Areas in Communications, 1987