Broadband partially reflecting superstrate-based antenna for 60 GHz applications

Affan A. Baba; Raheel M. Hashmi; Karu P. Esselle; Julio Gonzalez Marin; Jan Hesselbarth

doi:10.1109/TAP.2019.2916474

Broadband partially reflecting superstrate-based antenna for 60 GHz applications

Affan A. Baba^*, Raheel M. Hashmi, Karu P. Esselle, Julio Gonzalez Marin, Jan Hesselbarth

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

In this communication, a broadband low-profile partially reflecting superstrate (PRS)-based antenna is presented for 60 GHz applications. The PRS with an asymmetric pattern of circular metallic patches printed on one side of a thin dielectric slab improves the feed antenna gain from 6.5 to 18.5 dBi. A prototype antenna exhibits a peak gain of 18.8 dBi with a 3 dB gain bandwidth of 16.7%. Simulated and measured radiation patterns of the proposed antenna are highly directive toward broadside over a large operating bandwidth. The prototype antenna is well matched with a measured voltage standing wave ratio (VSWR) below 2 over a frequency range from 55.6 to 69.6 GHz, corresponding to a matching bandwidth of 22.4%. Fabrication limitations and assembly tolerances are also discussed. Overall, the prototype validates the high gain and wideband performance of the proposed antenna. The total area of the PRS is 5.2λ₀² and the overall height of the antenna is only 0.66λ ₀ at the lowest operating frequency of 55.6 GHz.

Original language	English
Pages (from-to)	4854-4859
Number of pages	6
Journal	IEEE Transactions on Antennas and Propagation
Volume	67
Issue number	7
DOIs	https://doi.org/10.1109/TAP.2019.2916474
Publication status	Published - Jul 2019

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title = "Broadband partially reflecting superstrate-based antenna for 60 GHz applications",

abstract = "In this communication, a broadband low-profile partially reflecting superstrate (PRS)-based antenna is presented for 60 GHz applications. The PRS with an asymmetric pattern of circular metallic patches printed on one side of a thin dielectric slab improves the feed antenna gain from 6.5 to 18.5 dBi. A prototype antenna exhibits a peak gain of 18.8 dBi with a 3 dB gain bandwidth of 16.7%. Simulated and measured radiation patterns of the proposed antenna are highly directive toward broadside over a large operating bandwidth. The prototype antenna is well matched with a measured voltage standing wave ratio (VSWR) below 2 over a frequency range from 55.6 to 69.6 GHz, corresponding to a matching bandwidth of 22.4%. Fabrication limitations and assembly tolerances are also discussed. Overall, the prototype validates the high gain and wideband performance of the proposed antenna. The total area of the PRS is 5.2λ02 and the overall height of the antenna is only 0.66λ 0 at the lowest operating frequency of 55.6 GHz.",

author = "Baba, {Affan A.} and Hashmi, {Raheel M.} and Esselle, {Karu P.} and {Gonzalez Marin}, Julio and Jan Hesselbarth",

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T1 - Broadband partially reflecting superstrate-based antenna for 60 GHz applications

AU - Baba, Affan A.

AU - Hashmi, Raheel M.

AU - Esselle, Karu P.

AU - Gonzalez Marin, Julio

AU - Hesselbarth, Jan

PY - 2019/7

Y1 - 2019/7

N2 - In this communication, a broadband low-profile partially reflecting superstrate (PRS)-based antenna is presented for 60 GHz applications. The PRS with an asymmetric pattern of circular metallic patches printed on one side of a thin dielectric slab improves the feed antenna gain from 6.5 to 18.5 dBi. A prototype antenna exhibits a peak gain of 18.8 dBi with a 3 dB gain bandwidth of 16.7%. Simulated and measured radiation patterns of the proposed antenna are highly directive toward broadside over a large operating bandwidth. The prototype antenna is well matched with a measured voltage standing wave ratio (VSWR) below 2 over a frequency range from 55.6 to 69.6 GHz, corresponding to a matching bandwidth of 22.4%. Fabrication limitations and assembly tolerances are also discussed. Overall, the prototype validates the high gain and wideband performance of the proposed antenna. The total area of the PRS is 5.2λ02 and the overall height of the antenna is only 0.66λ 0 at the lowest operating frequency of 55.6 GHz.

AB - In this communication, a broadband low-profile partially reflecting superstrate (PRS)-based antenna is presented for 60 GHz applications. The PRS with an asymmetric pattern of circular metallic patches printed on one side of a thin dielectric slab improves the feed antenna gain from 6.5 to 18.5 dBi. A prototype antenna exhibits a peak gain of 18.8 dBi with a 3 dB gain bandwidth of 16.7%. Simulated and measured radiation patterns of the proposed antenna are highly directive toward broadside over a large operating bandwidth. The prototype antenna is well matched with a measured voltage standing wave ratio (VSWR) below 2 over a frequency range from 55.6 to 69.6 GHz, corresponding to a matching bandwidth of 22.4%. Fabrication limitations and assembly tolerances are also discussed. Overall, the prototype validates the high gain and wideband performance of the proposed antenna. The total area of the PRS is 5.2λ02 and the overall height of the antenna is only 0.66λ 0 at the lowest operating frequency of 55.6 GHz.

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JO - IEEE Transactions on Antennas and Propagation

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Broadband partially reflecting superstrate-based antenna for 60 GHz applications

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