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On the Use of Reciprocal Filter Against WiFi Packets for Passive Radar.

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Title: On the Use of Reciprocal Filter Against WiFi Packets for Passive Radar.
Authors: Colone, Fabiola1 (AUTHOR) fabiola.colone@uniroma1.it, Filippini, Francesca1 (AUTHOR) francesca.filippini@uniroma1.it, Di Seglio, Marco1 (AUTHOR) marco.diseglio@uniroma1.it, Chetty, Kevin2 (AUTHOR) k.chetty@ucl.ac.uk
Source: IEEE Transactions on Aerospace & Electronic Systems. Aug2022, Vol. 58 Issue 4, p2746-2761. 16p.
Subjects: Signal processing, Matched filters, Passive radar, Radio transmitters & transmission, Signal-to-noise ratio
Abstract: This article derives a novel unified signal processing scheme for WiFi-based passive radar in order to limit its complexity and enhance its suitability for short range civilian applications. To this purpose, the exploitation of a reciprocal filtering (RpF) strategy is investigated as an alternative to conventional matched filtering at the range compression stage. Along with the well-known advantage of a remarkable sidelobes control capability for the resulting range-Doppler response, the use of a RpF is shown to provide additional benefits for the specific sensor subject of this article. Specifically, it allows to streamline the disturbance cancellation stage and to implement a unified signal processing architecture which is capable to handle the different modulation schemes typically adopted in WiFi transmissions. Appropriate adjustments are also proposed to the theoretical RpF in order to cope with the inherent loss in terms of signal-to-noise power ratio. The effectiveness of the proposed signal processing scheme encompassing the RpF strategy is proved against both simulated and experimental datasets. [ABSTRACT FROM AUTHOR]
Copyright of IEEE Transactions on Aerospace & Electronic Systems is the property of IEEE 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.)
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  Data: <searchLink fieldCode="AR" term="%22Colone%2C+Fabiola%22">Colone, Fabiola</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> fabiola.colone@uniroma1.it</i><br /><searchLink fieldCode="AR" term="%22Filippini%2C+Francesca%22">Filippini, Francesca</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> francesca.filippini@uniroma1.it</i><br /><searchLink fieldCode="AR" term="%22Di+Seglio%2C+Marco%22">Di Seglio, Marco</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> marco.diseglio@uniroma1.it</i><br /><searchLink fieldCode="AR" term="%22Chetty%2C+Kevin%22">Chetty, Kevin</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> k.chetty@ucl.ac.uk</i>
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  Data: <searchLink fieldCode="DE" term="%22Signal+processing%22">Signal processing</searchLink><br /><searchLink fieldCode="DE" term="%22Matched+filters%22">Matched filters</searchLink><br /><searchLink fieldCode="DE" term="%22Passive+radar%22">Passive radar</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+transmitters+%26+transmission%22">Radio transmitters & transmission</searchLink><br /><searchLink fieldCode="DE" term="%22Signal-to-noise+ratio%22">Signal-to-noise ratio</searchLink>
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  Data: This article derives a novel unified signal processing scheme for WiFi-based passive radar in order to limit its complexity and enhance its suitability for short range civilian applications. To this purpose, the exploitation of a reciprocal filtering (RpF) strategy is investigated as an alternative to conventional matched filtering at the range compression stage. Along with the well-known advantage of a remarkable sidelobes control capability for the resulting range-Doppler response, the use of a RpF is shown to provide additional benefits for the specific sensor subject of this article. Specifically, it allows to streamline the disturbance cancellation stage and to implement a unified signal processing architecture which is capable to handle the different modulation schemes typically adopted in WiFi transmissions. Appropriate adjustments are also proposed to the theoretical RpF in order to cope with the inherent loss in terms of signal-to-noise power ratio. The effectiveness of the proposed signal processing scheme encompassing the RpF strategy is proved against both simulated and experimental datasets. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of IEEE Transactions on Aerospace & Electronic Systems is the property of IEEE 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: 10.1109/TAES.2021.3138711
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        Text: English
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        Type: general
      – SubjectFull: Matched filters
        Type: general
      – SubjectFull: Passive radar
        Type: general
      – SubjectFull: Radio transmitters & transmission
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      – SubjectFull: Signal-to-noise ratio
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              M: 08
              Text: Aug2022
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