NDLI: Indoor optical wireless localization system with height estimation for high-speed wireless communications in personal areas

Content Provider	IEEE Xplore Digital Library
Author	Ke Wang Nirmalathas, A. Lim, C. Skafidas, E.
Copyright Year	2012
Description	Author affiliation: Victoria Res. Lab. (VRL), Nat. ICT Australia, Melbourne, VIC, Australia (Ke Wang; Nirmalathas, A.; Skafidas, E.) \|\| Dept. of Electr. & Electron. Eng., Univ. of Melbourne, Melbourne, VIC, Australia (Lim, C.)
Abstract	High-speed wireless communications in personal areas are now highly demanded, given that broadband connectivity has now reached the doorstep of the users' premises. Optical wireless technology has been considered as a promising solution due to the availability of huge unregulated bandwidth. However, the coverage area of optical wireless communication systems is limited because of safety issues and localization of users is needed. Previously, we proposed a localization system for personal areas based on optical wireless technology, so the same system was used for both localization and high-speed wireless communications. However, the height difference between the fiber transceiver and subscriber was fixed in the investigation. In real applications, the height of subscriber unit is always changing and the localization system should have the capability of estimating the height difference. In this paper, we propose a novel optical wireless based localization system for personal areas with the capability of height estimation. The localization and height estimation functions are realized by the combinational usage of received signal power and angle of arrival information. Experimental results show that a localization accuracy of ~ 4.73 cm can be achieved and the height estimation accuracy is ~ 4.86 cm. When this localization system with height estimation is incorporated with the previously proposed optical wireless communication system, high-speed wireless connectivity can be provided in personal areas.
Sponsorship	IEEE Photonics Soc. (PHO)
Starting Page	72
Ending Page	75
File Size	434838
Page Count	4
File Format	PDF
ISBN	9781467328630
e-ISBN	9781467328654
DOI	10.1109/MWP.2012.6474057
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-11
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Optical fibers High-speed optical techniques Passive optical networks Estimation Imaging height estimation wireless personal area networks optical wireless technology indoor localization
Content Type	Text
Resource Type	Article

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