Poster Abstract: LocaLight - A Battery-Free Passive Localization System Using Visible Light

2016 ◽  
Author(s):  
Elena Di Lascio ◽  
Ambuj Varshney ◽  
Thiemo Voigt ◽  
Carlos Perez-Penichet
Keyword(s):  
Visible Light ◽  
Localization System ◽  
Poster Abstract ◽  
Passive Localization

scholarly journals Nuzzer: A Large-Scale Device-Free Passive Localization System for Wireless Environments

2013 ◽  
Vol 12 (7) ◽  
pp. 1321-1334 ◽  
Author(s):  
Moustafa Seifeldin ◽  
Ahmed Saeed ◽  
Ahmed E. Kosba ◽  
Amr El-Keyi ◽  
Moustafa Youssef
Keyword(s):  
Large Scale ◽  
Localization System ◽  
Wireless Environments ◽  
Device Free ◽  
Passive Localization

Improving the visible light communication localization system using Kalman filtering with averaging

2020 ◽  
Vol 37 (11) ◽  
pp. A130
Author(s):  
Eman Shawky ◽  
Mohamed El-Shimy ◽  
Amr Mokhtar ◽  
El-Sayed A. El-Badawy ◽  
Hossam M. H. Shalaby
Keyword(s):  
Visible Light ◽  
Kalman Filtering ◽  
Visible Light Communication ◽  
Localization System

Indoor localization system utilizing two visible light emitting diodes

2016 ◽  
Vol 55 (11) ◽  
pp. 116114 ◽  
Author(s):  
Farag I. K. Mousa ◽  
Hoa Le-Minh ◽  
Zabih Ghassemlooy ◽  
Xuewu Dai ◽  
Son T. Tran ◽  
...  
Keyword(s):  
Visible Light ◽  
Light Emitting Diodes ◽  
Indoor Localization ◽  
Light Emitting ◽  
Localization System

scholarly journals Experimental Evaluation of Multipath Mitigation in TDOA-Based Indoor Passive Localization System Using A Beam Steering Broadband Circular Polarization Antenna

Electronics ◽  
2018 ◽  
Vol 7 (12) ◽  
pp. 362 ◽  
Author(s):  
Changjiang Su ◽  
Yanqun Liu ◽  
Leilei Liu ◽  
Mei Yang ◽  
Hongxin Zhao ◽  
...  
Keyword(s):  
Circular Polarization ◽  
Experimental Evaluation ◽  
Multipath Propagation ◽  
Beam Steering ◽  
Line Of Sight ◽  
Indoor Environments ◽  
Rf Switch ◽  
Multipath Mitigation ◽  
Localization System ◽  
Passive Localization

An experimental evaluation of multipath mitigation using a beam steering broadband circular polarization antenna (BSBCPA) in indoor passive localization system based on time differences of arrival (TDOA) is presented in this paper. The BSBCPA consists of a beam switch network, four identical hexagon patch elements and their respective feeding networks. By controlling the states of a radio frequency (RF) switch in the beam switch network, four steering circular polarization beams can be excited separately for azimuth omnidirectional coverage. Combining the spatial selectivity of steering beams and circular polarization in the BSBCPA, the positioning inaccuracy from indoor multipath propagation can be mitigated. In two different indoor environments with line of sight (LOS), complex multipath, when transmitting a 20 MHz bandwidth signal in WLAN, the 2D positioning mean error obtained is 0.7 m and 0.82 m, respectively. Compared with conventional omnidirectional linear polarization antenna (OLPA), the BSBCPA can at least improve positioning accuracy by 51%. The experimental results show that the proposed BSBCPA can significantly mitigate multipath propagation for TDOA-based indoor passive localization.

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