NDLI: Fundamental issues in time-delay estimation of multicarrier signals with applications to next-generation GNSS

Content Provider	IEEE Xplore Digital Library
Author	Zanier, F. Luise, M.
Copyright Year	2008
Description	Author affiliation: Dipt. di Ing. dell'Inf., Univ. of Pisa, Pisa (Zanier, F.; Luise, M.)
Abstract	Multicarrier (MC) signals, now well-known and widely adopted in the field of terrestrial wireless communications, are being adopted also in the field of satellite communications with the DVB-SH standard. The main motivation of MC signaling is its intrinsic ronbustness to multipath (frequency-selective) channels. On the other hand, multipath is known to be one of the dominant sources to the error budget in global navigation satellite systems (GNSSs), mainly due to the bias it arises in time of arrival (TOA) estimation. From this viewpoint, it can be argued that MC signals could be adopted in a long-term horizon as ranging signals in GNSSs. In this paper we focus onto the issue of TOA estimation for Filter Bank Multicarrier Modulation (FBMCM) signal. FBMC is preferred as opposed to the well-known OFDM for its stricter spectral limitation and its frequency orthogonality of the subchannels. TOA estimation for FBMCM signals is investigated in terms of Cramer-Rao bound (CRB), with particular emphasis on the comparison with the case of single carrier modulation. As a corollary, it is also shown that MC signals with uneven power distribution can be adopted as an easy implementation of a cognitive positioning system (CPS).
Starting Page	1
Ending Page	8
File Size	501419
Page Count	8
File Format	PDF
ISBN	9781424425723
DOI	10.1109/SPSC.2008.4686720
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-06
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	time-of-arrival estimation OFDM Time of arrival estimation GNSS Satellite navigation systems Communication standards Global Positioning System Cramér Rao Bound Wireless communication filter bank cognitive positioning multicarrier Power distribution time-delay estimation OFDM modulation Filter bank Satellite communication Digital video broadcasting
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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