Radar Target Detection Aided by Reconfigurable Intelligent Surfaces
In this work, we consider the target detection problem in a sensing architecture where the radar is aided by a reconfigurable intelligent surface (RIS), that can be modeled as an array of sub-wavelength small reflective elements capable of imposing a tunable phase shift to the impinging waves and, u...
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| Veröffentlicht in: | IEEE signal processing letters 2021, Vol.28, p.1315-1319 |
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| container_title | IEEE signal processing letters |
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| creator | Buzzi, Stefano Grossi, Emanuele Lops, Marco Venturino, Luca |
| description | In this work, we consider the target detection problem in a sensing architecture where the radar is aided by a reconfigurable intelligent surface (RIS), that can be modeled as an array of sub-wavelength small reflective elements capable of imposing a tunable phase shift to the impinging waves and, ultimately, of providing the radar with an additional echo of the target. A theoretical analysis is carried out for closely- and widely-spaced (with respect to the target) radar and RIS and for different beampattern configurations, and some examples are provided to show that large gains can be achieved by the considered detection architecture. |
| doi_str_mv | 10.1109/LSP.2021.3089085 |
| format | Article |
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A theoretical analysis is carried out for closely- and widely-spaced (with respect to the target) radar and RIS and for different beampattern configurations, and some examples are provided to show that large gains can be achieved by the considered detection architecture.</description><subject>Delays</subject><subject>Impinging waves</subject><subject>metasurfaces</subject><subject>Radar</subject><subject>Radar antennas</subject><subject>Radar detection</subject><subject>Radar targets</subject><subject>Reconfigurable intelligent surfaces</subject><subject>reflective intelligent surfaces</subject><subject>Signal to noise ratio</subject><subject>Target detection</subject><subject>Transmitting antennas</subject><subject>Wireless communication</subject><issn>1070-9908</issn><issn>1558-2361</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kMtqwzAQRUVpoeljX-jG0LXTkWS9liF9BQItSboWkjwKDq6dyvYif1-HhK7mwpw7A4eQBwpTSsE8L9dfUwaMTjloA1pckAkVQueMS3o5ZlCQm3FxTW66bgcAmmoxIfOVK13KNi5tsc9esMfQV22TzaoSy8wfshWGtonVdkjO15gtmh7rutpi02frIUUXsLsjV9HVHd6f5y35fnvdzD_y5ef7Yj5b5oEZ2ufSS0QTKecygoBohAy6CJJ5cCJqrl2p0SuPhacglCqYisiCCVE65RnwW_J0urtP7e-AXW937ZCa8aVlQlAulTJmpOBEhdR2XcJo96n6celgKdijKjuqskdV9qxqrDyeKhUi_uOmEAVXgv8BCP1kMg</recordid><startdate>2021</startdate><enddate>2021</enddate><creator>Buzzi, Stefano</creator><creator>Grossi, Emanuele</creator><creator>Lops, Marco</creator><creator>Venturino, Luca</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Electronic Library (IEL) |
| subjects | Delays Impinging waves metasurfaces Radar Radar antennas Radar detection Radar targets Reconfigurable intelligent surfaces reflective intelligent surfaces Signal to noise ratio Target detection Transmitting antennas Wireless communication |
| title | Radar Target Detection Aided by Reconfigurable Intelligent Surfaces |
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