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WUB-IP : a high-precision UWB positioning scheme for indoor multi-user applications

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Yin, Z., Jiang, X., Yang, Z., Zhao, N. and Chen, Yunfei (2019) WUB-IP : a high-precision UWB positioning scheme for indoor multi-user applications. IEEE Systems Journal, 13 (1). 279 -288. doi:10.1109/JSYST.2017.2766690

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Official URL: http://doi.org/10.1109/JSYST.2017.2766690

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Abstract

High-precision positioning scheme, an important part of the indoor navigation system, can be implemented using an ultra-wide band (UWB) based ranging system. Recently, solutions for precise positioning in dense multi-path and non-line-of-sight (NLOS) conditions have attracted a lot of attention in literature. On the other hand, it is expected that Waveform Division Multiple Access (WDMA) technology for multi-user UWB positioning application will be indispensable in the near future. In this regard, a WDMA-UWB based positioning scheme is investigated in this paper, for enhancing the performance of positioning accuracy in multi-user applications. In accordance with practical requirements of indoor positioning, we propose a new indoor positioning scheme, termed as WUB-IP. This scheme adopts WDMA for multiple access, and utilizes an entropy-based approach for the Time of Arrival (TOA) estimation. Moreover, a transfer learning approach is used for ranging error mitigation in NLOS conditions, in order to improve the positioning accuracy in NLOS conditions. System-level simulations demonstrate that the proposed scheme enhances the performance of indoor positioning for multi-user applications.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH): Ultra-wideband communication systems, Global Positioning System, Radio frequency identification systems
Journal or Publication Title: IEEE Systems Journal
Publisher: Institute of Electrical and Electronics Engineers
ISSN: 1932-8184
Official Date: March 2019
Dates:
DateEvent
March 2019Published
10 November 2017Available
30 October 2017Accepted
Volume: 13
Number: 1
Page Range: 279 -288
DOI: 10.1109/JSYST.2017.2766690
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC)
Grant number: Grant No: 61471142, 61102084, 61601145 and 61571167
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