NDLI: Experimental Evaluation of UWB Ranging Performance for Correlation and ED Receivers in Dense Multipath Environment

Content Provider	IEEE Xplore Digital Library
Author	Chi Xu Law, C.L.
Copyright Year	2007
Description	Author affiliation: Nanyang Technol. Univ., Nanyang (Chi Xu; Law, C.L.)
Abstract	UWB signal reception can be accomplished by coherent or non-coherent receivers. Correlation receiver is a type of coherent receiver while energy detection (ED) receiver belongs to non-coherent type. In this paper, we evaluate their ranging performance using the channel profiles measured in a typical indoor office environment. The effects of ranging parameters such as search window length are also investigated. The results show that correlation receiver outperforms ED receiver in the line-of-sight (LOS) scenario and smaller integration interval gives better performance for ED. For the non-line-of-sight (NLOS) scenario, surprisingly, ED receiver outperforms correlation receiver and larger integration interval brings better performance for ED when the detection threshold exceeds certain level. The study also shows that regardless of the receiver types used, the resultant ranging errors for the LOS or NLOS environments can be described by unified models with the parameters being distance dependent.
Starting Page	186
Ending Page	192
File Size	297533
Page Count	7
File Format	PDF
ISBN	0769530486
DOI	10.1109/FGCN.2007.121
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-06
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Building materials Wireless networks Indoor environments Cities and towns Robustness Concrete Global Positioning System Narrowband Ultra wideband technology
Content Type	Text
Resource Type	Article

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