The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.
Accurate Delay Estimation for Multisensor Passive Locating Systems Exploiting the Cross-Correlation Between Signals Cross-Correlations
Open accessAbstract
The availability of accurate estimates of the delay or time of arrival of the incoming signals is of paramount importance for the position estimation in passive radars with multiple receivers. This correspondence aims at improving estimation of the delays by multiple detectors exploiting the cross-correlation between the cross-correlation estimates (say cross-cross-correlation) of the received signals. The resulting equation system is formulated as a least squares minimization problem, whose solution is efficiently found computing the pseudoinverse of the model matrix. In fact, the cross-cross-correlation implicitly performs a filtering operation on the considered signal, approximating the generalized cross-correlator behavior, without using statistical information about the signal spectra. The proposed method is numerically validated in comparison with classic counterparts and theoretical bounds.
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Cites
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Cited by
Sorted by citations
Multi-TDOA Estimation and Source Direct Position Determination Based on Parallel Factor Analysis
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“Traditional TDOA estimation algorithms are based on the correlation theory, for instance, the two received signals are correlated and the maximum value is searched to obtain the TDOA estimate [15].”
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“This limitation is overcome in [8], where a delay estimation method, that intrinsically implements the GCC filter without prior information, is designed.”
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Method
Metadata
- Authors
- Pallotta, L., & Giunta, G.
- Affiliations
- Roma Tre University (IT)
- Venue
- IEEE Transactions on Aerospace and Electronic Systems
- Published
- 2022-06
- Volume
- 58
- Issue
- 3
- Pages
- 2568-2576
- ISSN
- 0018-9251 (ISSN-L)
- 1557-9603
- 2371-9877
- OpenAlex
- W3203937812
- Semantic Scholar
- 7897822a91233f868bdc08f596c90ac979e799ca
- Cited by
- 38
- References
- 34
- Citations by year
- 2026: 6 · 2025: 11 · 2024: 7 · 2023: 10 · 2022: 4
- FWCI
- 2.71
- Type
- journal article
- Language
- en
- Open access
- green
- hdl.handle.net
- Licence
- Locations
- IEEE Transactions on Aerospace and Electronic Systems (publishedVersion)
- CINECA IRIS Institutional Research Information System (University of Basilicata) (submittedVersion, other-oa)
- Iris (Roma Tre University) (submittedVersion, other-oa)
- Iris (Roma Tre University) (submittedVersion)
- Topics
- Physical Sciences › Engineering › Aerospace Engineering › Radar Systems and Signal Processing
- Physical Sciences › Computer Science › Signal Processing › Direction-of-Arrival Estimation Techniques
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Indoor and Outdoor Localization Technologies
- Keywords
- time delay estimation, time of arrival, passive radar, cross correlation function, multiple detectors, least squares, pseudoinverse, positioning, signal filtering
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