NDLI: Two-step hybrid self-localization using unsynchronized low-complexity anchors

Content Provider	IEEE Xplore Digital Library
Author	Yue Wang Wiemeler, M. Feng Zheng Weiming Xiong Kaiser, T.
Copyright Year	2013
Description	Author affiliation: Center for Space Sci. & Appl. Res., Beijing, China (Weiming Xiong) \|\| Inst. of Digital Signal Process., Univ. of Duisburg-Essen, Duisburg, Germany (Yue Wang; Wiemeler, M.; Feng Zheng; Kaiser, T.)
Abstract	Self-localization using unsynchronized low-complexity anchors has a number of attractive features. Traditional self-localization techniques are not suitable to this scenario or have their applicability limitations. In this paper, a two-step hybrid self-localization technique using unsynchronized low-complexity anchors is proposed, which can achieve two-dimensional (2-D) instantaneous localization for both mobile and fixed agents and eliminate the need for heading information of the agents. In the first step, an initial location estimate is obtained utilizing range information based on received-signal-strength (RSS) measurements. In the second step, differential angle-of-arrival (AOA) measurements are converted to range measurements with the aid of the first step location estimate. Finally, a two-step hybrid localization algorithm is obtained using all the measurements in the first step and the second step. Simulation results show that the two-step hybrid self-localization technique has relatively high accuracy even in the scenarios with large RSS-based ranging variances and medium AOA measurement variances.
Starting Page	1
Ending Page	5
File Size	178348
Page Count	5
File Format	PDF
ISBN	9781479904846
ISSN	23250771
e-ISBN	9781479904860
DOI	10.1109/ICL-GNSS.2013.6577271
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-25
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Ultra-wideband (UWB) Hybrid Unsynchronized low-complexity anchors Self-localization 60 GHz Wireless sensor networks Accuracy Received-signal-strength (RSS) Simulation Measurement uncertainty Angle-of-arrival (AOA) Distance measurement Antenna arrays
Content Type	Text
Resource Type	Article

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