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Accurate time difference of arrival estimation for HF radio broadcast signals.

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Title: Accurate time difference of arrival estimation for HF radio broadcast signals.
Authors: Jain, Ankit1 ankit.jain@imt-atlantique.fr, Pagani, Pascal1, Fleury, Rolland1, Ney, Michel M.1, Pajusco, Patrice1
Source: Microwave & Optical Technology Letters. Jun2018, Vol. 60 Issue 6, p1406-1410. 1111p. 2 Diagrams, 2 Charts, 1 Graph, 1 Map.
Subjects: Shortwave radio, Wireless geolocation systems, Radio broadcasting, Parameter estimation, Signal processing
Abstract: Abstract: Geolocation of high frequency (HF) transmitters at distances in the order of 2000 km is possible by exploiting the time difference of arrival (TDoA) among multiple distributed single antenna receivers. HF radio signals propagate via skywaves between the Earth‐Ionosphere medium and the signals are received through non‐line‐of‐sight mode. This experimental study demonstrates that it is possible to evaluate the TDoA between two receivers for a HF radio broadcast signal propagating through the ionospheric channel. The HF propagation path geometry for one hop propagation mode is explained. Simulations are performed using this model to evaluate the theoretical TDoA between the signals received at two synchronized receivers. In the second step, two remotely controllable receivers built to capture distinct HF signals are deployed in two cities in France. Radio broadcast signals from different HF transmitters across Europe are captured simultaneously on the two synchronized receivers. The TDoA is obtained by cross‐correlating the captured signals from the receivers. The TDoA obtained by experimental and simulation methods are compared for different radio propagation paths and results show some very good agreement. [ABSTRACT FROM AUTHOR]
Copyright of Microwave & Optical Technology Letters is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 129280624
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Accurate time difference of arrival estimation for HF radio broadcast signals.
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  Data: <searchLink fieldCode="AR" term="%22Jain%2C+Ankit%22">Jain, Ankit</searchLink><relatesTo>1</relatesTo><i> ankit.jain@imt-atlantique.fr</i><br /><searchLink fieldCode="AR" term="%22Pagani%2C+Pascal%22">Pagani, Pascal</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Fleury%2C+Rolland%22">Fleury, Rolland</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ney%2C+Michel+M%2E%22">Ney, Michel M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pajusco%2C+Patrice%22">Pajusco, Patrice</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Microwave+%26+Optical+Technology+Letters%22">Microwave & Optical Technology Letters</searchLink>. Jun2018, Vol. 60 Issue 6, p1406-1410. 1111p. 2 Diagrams, 2 Charts, 1 Graph, 1 Map.
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  Data: <searchLink fieldCode="DE" term="%22Shortwave+radio%22">Shortwave radio</searchLink><br /><searchLink fieldCode="DE" term="%22Wireless+geolocation+systems%22">Wireless geolocation systems</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+broadcasting%22">Radio broadcasting</searchLink><br /><searchLink fieldCode="DE" term="%22Parameter+estimation%22">Parameter estimation</searchLink><br /><searchLink fieldCode="DE" term="%22Signal+processing%22">Signal processing</searchLink>
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  Data: Abstract: Geolocation of high frequency (HF) transmitters at distances in the order of 2000 km is possible by exploiting the time difference of arrival (TDoA) among multiple distributed single antenna receivers. HF radio signals propagate via skywaves between the Earth‐Ionosphere medium and the signals are received through non‐line‐of‐sight mode. This experimental study demonstrates that it is possible to evaluate the TDoA between two receivers for a HF radio broadcast signal propagating through the ionospheric channel. The HF propagation path geometry for one hop propagation mode is explained. Simulations are performed using this model to evaluate the theoretical TDoA between the signals received at two synchronized receivers. In the second step, two remotely controllable receivers built to capture distinct HF signals are deployed in two cities in France. Radio broadcast signals from different HF transmitters across Europe are captured simultaneously on the two synchronized receivers. The TDoA is obtained by cross‐correlating the captured signals from the receivers. The TDoA obtained by experimental and simulation methods are compared for different radio propagation paths and results show some very good agreement. [ABSTRACT FROM AUTHOR]
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  Label:
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  Data: <i>Copyright of Microwave & Optical Technology Letters is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/mop.31178
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      – Code: eng
        Text: English
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        PageCount: 1111
        StartPage: 1406
    Subjects:
      – SubjectFull: Shortwave radio
        Type: general
      – SubjectFull: Wireless geolocation systems
        Type: general
      – SubjectFull: Radio broadcasting
        Type: general
      – SubjectFull: Parameter estimation
        Type: general
      – SubjectFull: Signal processing
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      – TitleFull: Accurate time difference of arrival estimation for HF radio broadcast signals.
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              Text: Jun2018
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              Y: 2018
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