NDLI: BPSK-like Methods for Hybrid-Search Acquisition of Galileo Signals

Content Provider	IEEE Xplore Digital Library
Author	Burian, A. Lohan, E.S. Renfors, M.
Copyright Year	2006
Description	Author affiliation: Institute of Communications Engineering, Tampere University of Technology, P.O.Box 553, FIN-33101, Finland. elena-simona.lohan@tut.fi (Lohan, E.S.) \|\| Institute of Communications Engineering, Tampere University of Technology, P.O.Box 553, FIN-33101, Finland. adina.burian@tut.fi (Burian, A.) \|\| Institute of Communications Engineering, Tampere University of Technology, P.O.Box 553, FIN-33101, Finland. markku.renfors@tut.fi (Renfors, M.)
Abstract	The Binary Offset Carrier (BOC) modulation which has been proposed for future Galileo and GPS M-code signals, provides a higher spectral separation from BPSK-modulated signals, such as GPS C/A code. The absolute value of the auto-correlation function of a BOC signal has a narrower main lobe, which may increase the resolution of delay estimates, but also presents deep fades, which may lead to a higher number of timing hypotheses to acquire the signal. In order to get rid of these ambiguities, several approaches have been proposed in literature, which provide an unambiguous BPSK-like shape of correlation function. In this paper we analyze, compare and develop further two BPSK-like methods which allow to acquire a BOC-signal unambiguously. The focus is on hybrid search, where several time-frequency bins are searched in parallel. We introduce here a modified version of a BPSK-like method which decreases the receiver complexity and is valid for both odd and even BOC orders. We analyze both single-side band (SSB) processing (i.e., only one band is used) and dual-side band (DSB) processing (i.e., upper and lower bands are combined non-coherently). While eliminating the ambiguities in auto-correlation function, both SSB and DSB processing present some performance degradation, induced by the band selection and non-coherent processing. The analysis is done in the presence of multipath fading channels. As a benchmark, we keep also the ambiguous BOC processing. We consider parameters specified in the proposals for Galileo system Open Service (OS), respectively Publicly Regulated Service (PRS).
Starting Page	5211
Ending Page	5216
File Size	160485
Page Count	6
File Format	PDF
ISBN	1424403553
ISSN	81649547
DOI	10.1109/ICC.2006.255493
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-11
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Global Positioning System Autocorrelation Delay estimation Amplitude modulation Modulation coding Signal resolution Timing Shape Time frequency analysis Degradation
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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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BPSK-like Methods for Hybrid-Search Acquisition of Galileo Signals”, accepted for presentation at (2006)

Statistical analysis of BPSK-like techniques for the acquisition of Galileo signals (2006)

On the Acquisition Ambiguity for Galileo BOC(n,n) Modulated Signals

PROCEEDINGS OF THE 3rd WORKSHOP ON POSITIONING, NAVIGATION AND COMMUNICATION (WPNC’06) Complexity Considerations for Unambiguous Acquisition of Galileo Signals

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Some effects of a random channel on transmitted reference signals

The Galileo Signals With Emphasis on L1 OS

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Robust detectors for code acquisition with BOC modulation for GNSS receivers

BPSK-like Methods for Hybrid-Search Acquisition of Galileo Signals

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