NDLI: TOA estimation in IR UWB ranging using rank statistics with energy detection receiver under harsh conditions

Content Provider	IEEE Xplore Digital Library
Author	Hong Ding Wenyan Liu Xiaotao Huang Linhua Zheng
Copyright Year	2013
Description	Author affiliation: Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China (Hong Ding; Wenyan Liu; Xiaotao Huang; Linhua Zheng)
Abstract	To improve time of arrival (TOA) estimation in impulse radio ultra wideband (IR UWB) ranging under harsh conditions, a novel method based on the rank statistics of the received signals is proposed to detect the first path (FP) in dense multipath, in which the FP is not always the strongest. Under the energy detection (ED) receiver, many threshold based methods are proposed for TOA estimation in the AWGN. However, many of them do not work well under harsh conditions, for example, when the noise is non-Gaussian or when there are outliers in the received signal. In these situations, there will be more random large samples in the output of the ED receiver, which will affect the FP detection, as it will be hard to model the received signal. The proposed method can solve the problem and it does not require prior information. Simulation results demonstrate its effectiveness.
Starting Page	1255
Ending Page	1260
File Size	2884316
Page Count	6
File Format	PDF
ISBN	9781467359382
ISSN	15253511
e-ISBN	9781467359399
e-ISBN	9781467359375
DOI	10.1109/WCNC.2013.6554744
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Receivers Time of arrival estimation Distance measurement Signal to noise ratio Robustness Estimation error UWB ranging non-Gaussian noise outlier rank statistics
Content Type	Text
Resource Type	Article

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