Substrate-Integrated Two-Port Dual-Frequency Antenna

A two-port dual-frequency substrate-integrated antenna with a large frequency difference is presented. It consists of a differentially fed slot antenna and a substrate-integrated dielectric resonator antenna for low- and high-frequency radiation, respectively. The former is loaded by a hollow patch,...

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Published in:IEEE transactions on antennas and propagation 2016-08, Vol.64 (8), p.3692-3697
Main Authors: Sun, Yu-Xiang, Leung, Kwok Wa
Format: Article
Language:English
Subjects:
Antenna measurements
Antenna radiation patterns
Antennas
Dielectric resonator antennas
Dielectric resonator antennas (DRAs)
Dielectrics
dual-frequency antennas
Feeds
Patch antennas
Radio antennas
Simulation
Slot antennas
substrate-integrated antennas
Substrates
Wireless networks
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container_title IEEE transactions on antennas and propagation
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Leung, Kwok Wa
description A two-port dual-frequency substrate-integrated antenna with a large frequency difference is presented. It consists of a differentially fed slot antenna and a substrate-integrated dielectric resonator antenna for low- and high-frequency radiation, respectively. The former is loaded by a hollow patch, whereas the latter is fabricated inside the hollow region of the patch by using air holes and metalized vias. Beneath the antenna substrate is a second substrate on which slot-coupled sources are printed to feed the two antennas. For demonstration, a two-port dual-frequency antenna working at 5.2-GHz WLAN band and 24-GHz ISM band was designed, fabricated, and measured. The S-parameters, radiation patterns, and antenna gains of the two antenna parts are reported. Reasonable agreement between the measured and simulated results is observed. Very good isolation of over 35 dB between the two antenna parts is observed.
doi_str_mv 10.1109/TAP.2016.2565740
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It consists of a differentially fed slot antenna and a substrate-integrated dielectric resonator antenna for low- and high-frequency radiation, respectively. The former is loaded by a hollow patch, whereas the latter is fabricated inside the hollow region of the patch by using air holes and metalized vias. Beneath the antenna substrate is a second substrate on which slot-coupled sources are printed to feed the two antennas. For demonstration, a two-port dual-frequency antenna working at 5.2-GHz WLAN band and 24-GHz ISM band was designed, fabricated, and measured. The S-parameters, radiation patterns, and antenna gains of the two antenna parts are reported. Reasonable agreement between the measured and simulated results is observed. 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source IEEE Xplore (Online service)
subjects Antenna measurements
Antenna radiation patterns
Antennas
Dielectric resonator antennas
Dielectric resonator antennas (DRAs)
Dielectrics
dual-frequency antennas
Feeds
Patch antennas
Radio antennas
Simulation
Slot antennas
substrate-integrated antennas
Substrates
Wireless networks
title Substrate-Integrated Two-Port Dual-Frequency Antenna
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