Reconfigurable Thinning for the Adaptive Control of Linear Arrays
Dealing with the adaptive nulling of the array radiation pattern, two reconfigurable thinning strategies are presented and assessed. An easily-reconfigurable and low-complexity antenna architecture is considered where a set of radio-frequency switches is exploited to either connect or disconnect the...
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| Veröffentlicht in: | IEEE transactions on antennas and propagation 2013-10, Vol.61 (10), p.5068-5077 |
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| container_title | IEEE transactions on antennas and propagation |
| container_volume | 61 |
| creator | Poli, Lorenzo Rocca, Paolo Salucci, Marco Massa, Andrea |
| description | Dealing with the adaptive nulling of the array radiation pattern, two reconfigurable thinning strategies are presented and assessed. An easily-reconfigurable and low-complexity antenna architecture is considered where a set of radio-frequency switches is exploited to either connect or disconnect the array elements for controlling the radiation pattern and generating deep nulls along the directions-of-arrival of the undesired signals. By defining through a genetic algorithm-based optimization the on/off status of the switches to maximize the signal-to-interference-plus-noise ratio at the antenna output, two different formulations are discussed. The first one does not constrain the number of active elements, while the other forces the solution to satisfy a fixed-directivity criterion also in correspondence with a time-varying interference scenario. The performances of the proposed approaches are assessed in both static and time-varying scenarios where single and multiple interfering signals impinge on the array from different angular directions. |
| doi_str_mv | 10.1109/TAP.2013.2272452 |
| format | Article |
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An easily-reconfigurable and low-complexity antenna architecture is considered where a set of radio-frequency switches is exploited to either connect or disconnect the array elements for controlling the radiation pattern and generating deep nulls along the directions-of-arrival of the undesired signals. By defining through a genetic algorithm-based optimization the on/off status of the switches to maximize the signal-to-interference-plus-noise ratio at the antenna output, two different formulations are discussed. The first one does not constrain the number of active elements, while the other forces the solution to satisfy a fixed-directivity criterion also in correspondence with a time-varying interference scenario. The performances of the proposed approaches are assessed in both static and time-varying scenarios where single and multiple interfering signals impinge on the array from different angular directions.</description><subject>Adaptive arrays</subject><subject>Antennas</subject><subject>Applied sciences</subject><subject>Electromagnetism</subject><subject>Engineering Sciences</subject><subject>Exact sciences and technology</subject><subject>Genetic algorithms</subject><subject>Interference</subject><subject>Optimization</subject><subject>pattern nulling</subject><subject>Radio frequency</subject><subject>Radiocommunications</subject><subject>Signal and Image processing</subject><subject>Signal to noise ratio</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>thinned arrays</subject><issn>0018-926X</issn><issn>1558-2221</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM9LwzAUx4MoOKd3wUsuHjx0Ji_Nr2MZ6oSCIhO8hTRNt0htR1KF_fe2bOz0eO99P9_DB6FbShaUEv24Lt4XQChbAEjIOZyhGeVcZQBAz9GMEKoyDeLrEl2l9D2uucrzGSo-vOu7Jmx-o61aj9fb0HWh2-Cmj3jYelzUdjeEP4-XfTfEvsV9g8vQeRtxEaPdp2t00dg2-ZvjnKPP56f1cpWVby-vy6LMHNNsyEBYxTTlQCrwTFacspqAFuB1bXmlPAPlNGFeqIoJXTdCcstzV1EnJZCazdHDoXdrW7OL4cfGveltMKuiNNONUCqkVvSPjllyyLrYpxR9cwIoMZMuM-oyky5z1DUi9wdkZ5OzbRNt50I6cSCV5lRO1XeHXPDen96Cc8Zyxf4Bv2BxBQ</recordid><startdate>20131001</startdate><enddate>20131001</enddate><creator>Poli, Lorenzo</creator><creator>Rocca, Paolo</creator><creator>Salucci, Marco</creator><creator>Massa, Andrea</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-8429-8937</orcidid></search><sort><creationdate>20131001</creationdate><title>Reconfigurable Thinning for the Adaptive Control of Linear Arrays</title><author>Poli, Lorenzo ; Rocca, Paolo ; Salucci, Marco ; Massa, Andrea</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-26a8391520b2e37b513d02962e9da5b8e328c903e68b369df675a54cb1c7720d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adaptive arrays</topic><topic>Antennas</topic><topic>Applied sciences</topic><topic>Electromagnetism</topic><topic>Engineering Sciences</topic><topic>Exact sciences and technology</topic><topic>Genetic algorithms</topic><topic>Interference</topic><topic>Optimization</topic><topic>pattern nulling</topic><topic>Radio frequency</topic><topic>Radiocommunications</topic><topic>Signal and Image processing</topic><topic>Signal to noise ratio</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>thinned arrays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Poli, Lorenzo</creatorcontrib><creatorcontrib>Rocca, Paolo</creatorcontrib><creatorcontrib>Salucci, Marco</creatorcontrib><creatorcontrib>Massa, Andrea</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>IEEE transactions on antennas and propagation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Poli, Lorenzo</au><au>Rocca, Paolo</au><au>Salucci, Marco</au><au>Massa, Andrea</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reconfigurable Thinning for the Adaptive Control of Linear Arrays</atitle><jtitle>IEEE transactions on antennas and propagation</jtitle><stitle>TAP</stitle><date>2013-10-01</date><risdate>2013</risdate><volume>61</volume><issue>10</issue><spage>5068</spage><epage>5077</epage><pages>5068-5077</pages><issn>0018-926X</issn><eissn>1558-2221</eissn><coden>IETPAK</coden><abstract>Dealing with the adaptive nulling of the array radiation pattern, two reconfigurable thinning strategies are presented and assessed. An easily-reconfigurable and low-complexity antenna architecture is considered where a set of radio-frequency switches is exploited to either connect or disconnect the array elements for controlling the radiation pattern and generating deep nulls along the directions-of-arrival of the undesired signals. By defining through a genetic algorithm-based optimization the on/off status of the switches to maximize the signal-to-interference-plus-noise ratio at the antenna output, two different formulations are discussed. The first one does not constrain the number of active elements, while the other forces the solution to satisfy a fixed-directivity criterion also in correspondence with a time-varying interference scenario. The performances of the proposed approaches are assessed in both static and time-varying scenarios where single and multiple interfering signals impinge on the array from different angular directions.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TAP.2013.2272452</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-8429-8937</orcidid></addata></record> |
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| subjects | Adaptive arrays Antennas Applied sciences Electromagnetism Engineering Sciences Exact sciences and technology Genetic algorithms Interference Optimization pattern nulling Radio frequency Radiocommunications Signal and Image processing Signal to noise ratio Telecommunications Telecommunications and information theory thinned arrays |
| title | Reconfigurable Thinning for the Adaptive Control of Linear Arrays |
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