Signal-to-interference ratio improvement by using a phased array antenna of switched-beam elements

dc.contributor.authorNgamjanyaporn, Phaisan
dc.contributor.authorPhongcharoenpanich, Chuwong
dc.contributor.authorAkkaraekthalin, Prayoot
dc.contributor.authorKrairiksh, Monai
dc.date.accessioned2026-08-06T09:53:14Z
dc.date.available2026-08-06T09:53:14Z
dc.date.issued2005-05-01
dc.description.abstractA phased array antenna of switched-beam elements is proposed to improve the signal-to-interference ratio (SIR). By using 1-bit phase shifters, the main beam of the array is switched to desired signal direction, and with the switched-beam patch antenna elements the null patterns are changeable. The results of radiation patterns show that the interference suppression can be improved. Moreover, the SIR measurement is also set up in multipath environment to ensure the array performance. It is found that the SIR is significantly affected by the multipath environment; however, the SIR improvement of more than 10 dB can be obtained by changing the null patterns. © 2005 IEEE.
dc.identifier.citationIEEE Transactions on Antennas and Propagation, 53(5), 1819-1828, 2005
dc.identifier.doi10.1109/TAP.2005.846759
dc.identifier.issn0018926X
dc.identifier.other2-s2.0-19144364774
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/1039
dc.sourceIEEE Transactions on Antennas and Propagation
dc.subject1-bit phase shifter
dc.subjectPatch antenna
dc.subjectPhased array antenna
dc.subjectPIN diode
dc.subjectSignal-to-interference ratio (SIR)
dc.subjectSwitched-beam antenna
dc.titleSignal-to-interference ratio improvement by using a phased array antenna of switched-beam elements
dc.typeArticle

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