Beam-Switching Dual-Spherical Lens Antenna With Low Scan Loss at 71-76 GHz

A millimeter-wave communication system needs a directive beam-steering antenna with a low scan loss to compensate the high free space loss. In this letter, an electronically beam-switching integrated lens antenna (ILA) system with low scan loss is designed for lower E -band (71-76 GHz). An ILA with...

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Published in:IEEE antennas and wireless propagation letters 2018-10, Vol.17 (10), p.1871-1875
Main Authors: Lamminen, Antti Eino Ilmari, Karki, Sabin Kumar, Karttunen, Aki, Kaunisto, Mikko, Saily, Jussi, Lahdes, Manu, Ala-Laurinaho, Juha, Viikari, Ville
Format: Article
Language:English
Subjects:
Antenna feeds
Antenna measurements
Beam steering
Beams (radiation)
Collimation
Communications systems
feed network
Gain
integrated lens antenna (ILA)
Lens antennas
Lenses
Loss measurement
Millimeter waves
millimeter-wave technology
Polytetrafluoroethylene
RF switches
Spherical antennas
Switches
Switching
Transmission line measurements
Vivaldi antenna
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cited_by cdi_FETCH-LOGICAL-c293t-c303c880a0ac016b86fc4a3eb64e60049002ad2afbaff6d08dd133e0561d9fa83
cites cdi_FETCH-LOGICAL-c293t-c303c880a0ac016b86fc4a3eb64e60049002ad2afbaff6d08dd133e0561d9fa83
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container_issue 10
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container_title IEEE antennas and wireless propagation letters
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creator Lamminen, Antti Eino Ilmari
Karki, Sabin Kumar
Karttunen, Aki
Kaunisto, Mikko
Saily, Jussi
Lahdes, Manu
Ala-Laurinaho, Juha
Viikari, Ville
description A millimeter-wave communication system needs a directive beam-steering antenna with a low scan loss to compensate the high free space loss. In this letter, an electronically beam-switching integrated lens antenna (ILA) system with low scan loss is designed for lower E -band (71-76 GHz). An ILA with hemispherical collimating surface of 26 mm radius and spherical feed surface of 37.5 mm radius is fabricated from Teflon material. A conformal 1 × 16 linear beam-switching feed array based on SP4T switches and Vivaldi antennas is designed. The maximum simulated and measured realized gain including the switch network losses is 21.8 and 19.6 dBi, respectively. The measured scan loss of the ILA excluding the switch network loss is less than 1.3 dB in the lower E -band for beams within \pm 40°.
doi_str_mv 10.1109/LAWP.2018.2868543
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source IEEE Electronic Library (IEL) Journals
subjects Antenna feeds
Antenna measurements
Beam steering
Beams (radiation)
Collimation
Communications systems
feed network
Gain
integrated lens antenna (ILA)
Lens antennas
Lenses
Loss measurement
Millimeter waves
millimeter-wave technology
Polytetrafluoroethylene
RF switches
Spherical antennas
Switches
Switching
Transmission line measurements
Vivaldi antenna
title Beam-Switching Dual-Spherical Lens Antenna With Low Scan Loss at 71-76 GHz
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