An Improved Mono-Station UWB TOA/AOA Positioning Method


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The paper proposes a mono-station TOA/AOA positioning method based on ultra-wideband (UWB) antenna array. The article calculates accurately the signal's angle of arrival (AOA) by measurement of the UWB-pulse amplitude of the reference base-station antenna array received, combined with the antenna beam pattern. With the estimation of the information of arrival time using the skewness and the maximum slope, the location of the label can be found. The ranging error of the localization algorithm can achieve centimeter-level and angle of arrival is less than or equal to 1.0.In the paper, the accuracy of positioning method is not affected, eliminating the high-precision synchronization requirements of the traditional reference base-station and significantly reducing the system requirements of clock accuracy and system complexity.



Edited by:

Mohamed Othman




X. D. Tu et al., "An Improved Mono-Station UWB TOA/AOA Positioning Method", Applied Mechanics and Materials, Vols. 229-231, pp. 1373-1376, 2012

Online since:

November 2012




[1] Xiaobing Sun; Yugang Ma; Jin Xu; Jian Zhang; Junjun Wang A high accuracy mono-station UWB positioning system, Ultra-Wideband, 2008. ICUWB 2008. IEEE International Conference on Volume: 1 Digital Object Identifier: 10. 1109/ICUWB. 2008. 4653318 Publication Year: 2008, Page(s): 201 - 204.


[2] Xianming Qing; Zhi Ning Chen; See, T.S.P.; Sectored antenna array for indoor mono-station UWB positioning applications, Antennas and Propagation, 2009. EuCAP 2009. 3rd European Conference on Publication Year: 2009 , Page(s): 822 - 825.


[3] Sivanand Krishnan, etc. A UWB Based Location System for Indoor Robot Navigation, ICUWB 2007, Sept., 2007, Singapore.

[4] H. L. Xie, A. Wang, B. Qin, H. Chen, and B. Zhao, An ultra low-power low-cost Gaussian impulse generator for UWB applications, Proc. Int. Conf. on Solid-State and Integrated Circuit Technology, 2006, pp.1817-1820.


[5] J.R. Foerster, Ultra-Wideband Technology for Short- or Medium-Range Wireless Communications, Intel Tech. J., Q2, (2001).

[6] Sivanand Krishnan, etc. A UWB Based Location System for Indoor Robot Navigation, ICUWB 2007, Sept., 2007, Singapore.

[7] Jack T. Matheney, Linda M. Lee and Donald D. Mondul Apparatus and Method for Locating Objects in a Three-Dimensional Space, U. S. Patent No. 6, 483, 461, Nov. (2002).

[8] Time Domain Corporation, Application Note Angle-of Arriving (AOA) Sample Application, 27. March, (2003).

[9] Edward A Richley etc Object Location System and Method, U. S. Patent Appl. US2004/0108954 Jun., (2004).