Broadband High-Gain Empty SIW Cavity-Backed Slot Antenna

To broaden the bandwidth of high-gain substrate-integrated waveguide (SIW) cavity-backed slot antennas, an empty SIW (ESIW) cavity-backed antenna with multiple high-order hybrid modes is proposed. Due to the ESIW configuration, the proposed antenna is independent on substrates and a high efficiency...

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Published in:IEEE antennas and wireless propagation letters 2021-10, Vol.20 (10), p.2073-2077
Main Authors: Wang, Ren, Duan, Yu, Song, Yu, Zhao, Wu-Guang, Lv, Yan-He, Liang, Mu-Sheng, Wang, Bing-Zhong
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Bandwidth
Bandwidths
Broadband
Broadband antennas
cavity-backed antenna
Communications systems
Electric fields
empty substrate-integrated waveguide (ESIW)
High gain
Hybrid modes
Slot antennas
Substrate integrated waveguides
Substrates
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cited_by cdi_FETCH-LOGICAL-c402t-67932e8420bbae48d36b21b32736450869666434d76b53ef21b224517483e3e43
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container_end_page 2077
container_issue 10
container_start_page 2073
container_title IEEE antennas and wireless propagation letters
container_volume 20
creator Wang, Ren
Duan, Yu
Song, Yu
Zhao, Wu-Guang
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Liang, Mu-Sheng
Wang, Bing-Zhong
description To broaden the bandwidth of high-gain substrate-integrated waveguide (SIW) cavity-backed slot antennas, an empty SIW (ESIW) cavity-backed antenna with multiple high-order hybrid modes is proposed. Due to the ESIW configuration, the proposed antenna is independent on substrates and a high efficiency more than 90% in the operational band can be realized even the typical low-cost high-loss FR4 substrate is used. The proposed antenna has a wide measured bandwidth of 40.8% and the maximum measured realized gain can reach 11.1 dBi. The proposed broadband high-gain antenna can be used in radar and communication systems.
doi_str_mv 10.1109/LAWP.2021.3103751
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source IEEE Electronic Library (IEL) Journals
subjects Antenna measurements
Antennas
Bandwidth
Bandwidths
Broadband
Broadband antennas
cavity-backed antenna
Communications systems
Electric fields
empty substrate-integrated waveguide (ESIW)
High gain
Hybrid modes
Slot antennas
Substrate integrated waveguides
Substrates
title Broadband High-Gain Empty SIW Cavity-Backed Slot Antenna
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