Dual-Band Asymmetric Leaky-Wave Antennas for Circular Polarization and Simultaneous Dual Beam Scanning

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dc.contributor.authorRudramuni, R.
dc.contributor.authorMajumder, B.
dc.contributor.authorTharehalli Rajanna, T.R.
dc.contributor.authorKandasamy, K.
dc.contributor.authorZhang, Q.
dc.date.accessioned2026-02-05T09:27:10Z
dc.date.issued2021
dc.description.abstractIn this article, two configurations of novel dual-band half-mode substrate integrated waveguide (HMSIW) leaky-wave antennas are presented. The first proposed antenna radiates linearly polarized (LP) waves in the lower band and circularly polarized waves in the upper band when the unit cells are cascaded sequentially. The second antenna, where the sidewall via of the HMSIW unit cells is connected alternatingly, provides simultaneous dual beams with different polarization in the upper operational band in addition to the LP beam in the lower operational band. The unit cells of the two antennas are analyzed in terms of their dispersion behaviors. Finally, the performance of both the antennas is experimentally verified. © 1963-2012 IEEE.
dc.identifier.citationIEEE Transactions on Antennas and Propagation, 2021, 69, 4, pp. 1843-1852
dc.identifier.issn0018926X
dc.identifier.urihttps://doi.org/10.1109/TAP.2020.3026898
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/23268
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.subjectCircular polarization
dc.subjectScanning antennas
dc.subjectSubstrate integrated waveguides
dc.subjectCircularly polarized waves
dc.subjectDispersion behavior
dc.subjectDual Band
dc.subjectDual beam
dc.subjectHalf-mode substrate integrated waveguides
dc.subjectLeaky wave antennas
dc.subjectLinearly polarized
dc.subjectUnit cells
dc.subjectTraveling wave antennas
dc.titleDual-Band Asymmetric Leaky-Wave Antennas for Circular Polarization and Simultaneous Dual Beam Scanning

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