Position estimation via ultra-wide-band signals
Date
2009-02-27
Authors
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Source Title
Proceedings of the IEEE
Print ISSN
0018-9219
Electronic ISSN
Publisher
IEEE
Volume
97
Issue
2
Pages
386 - 403
Language
English
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Abstract
The high time resolution of ultra-wide-band (UWB) signals facilitates very precise position estimation in many scenarios, which makes a variety applications possible. This paper reviews the problem of position estimation in UWB systems, beginning with an overview of the basic structure of UWB signals and their positioning applications. This overview is followed by a discussion of various position estimation techniques, with an emphasis on time-based approaches, which are particularly suitable for UWB positioning systems. Practical issues arising in UWB signal design and hardware implementation are also discussed.