University of Hertfordshire

Standard

Low-Profile Wideband Circularly Polarized Array Antennas Using Integrated Half-Power Quadrature Power Divider. / Wen, Lehu; Gao, Steven; Luo, Qi; Hu, Wei; Sanz-Izquierdo, Benito; Yang, Xue-Xia.

In: IEEE Transactions on Antennas and Propagation, Vol. PP, No. 99, 9755032, 11.04.2022, p. 1-1.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Author

Wen, Lehu ; Gao, Steven ; Luo, Qi ; Hu, Wei ; Sanz-Izquierdo, Benito ; Yang, Xue-Xia. / Low-Profile Wideband Circularly Polarized Array Antennas Using Integrated Half-Power Quadrature Power Divider. In: IEEE Transactions on Antennas and Propagation. 2022 ; Vol. PP, No. 99. pp. 1-1.

Bibtex

@article{1038712f9a0c47ff93ff57da3b65f0c9,
title = "Low-Profile Wideband Circularly Polarized Array Antennas Using Integrated Half-Power Quadrature Power Divider",
abstract = "Low-profile wideband circularly polarized (CP) array antennas using integrated half-power quadrature power divider (HP-QPD) are presented. A novel HP-QPD is first proposed as an important design concept for CP radiation. Detailed analyses show that the proposed HP-QPD can have half-power CP radiation and the remaining half-power transmission with equal-magnitude but quadrature phase difference. Therefore, it can be utilized for designing a 1×2 CP array antenna. Compared to the traditionally designed single-feed or dual-feed CP counterparts, this 1×2 array antenna can have more than four times wider axial ratio (AR) bandwidth with three CP modes and a simple feed network. This 1×2 array antenna was then designed, fabricated, and measured for performance verification. Both measured and simulated results show that this array antenna can have a wide overlapped impedance and AR bandwidth of 7.9% with a thin dielectric thickness of 0.031λ0. The 1×2 array antenna was further extended to a 1×8 linear array antenna for high gain CP radiation. Measured results show that unidirectional and symmetrical radiation patterns are achieved with high peak realized gain of 15.4 dBic, low profile, and simple feed network.",
keywords = "Antenna arrays, Wideband, Broadband antennas, Ports (computers), Microstrip, Antenna measurements, Linear antenna arrays",
author = "Lehu Wen and Steven Gao and Qi Luo and Wei Hu and Benito Sanz-Izquierdo and Xue-Xia Yang",
year = "2022",
month = apr,
day = "11",
doi = "10.1109/TAP.2022.3164885",
language = "English",
volume = "PP",
pages = "1--1",
journal = "IEEE Transactions on Antennas and Propagation",
issn = "0018-926X",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "99",

}

RIS

TY - JOUR

T1 - Low-Profile Wideband Circularly Polarized Array Antennas Using Integrated Half-Power Quadrature Power Divider

AU - Wen, Lehu

AU - Gao, Steven

AU - Luo, Qi

AU - Hu, Wei

AU - Sanz-Izquierdo, Benito

AU - Yang, Xue-Xia

PY - 2022/4/11

Y1 - 2022/4/11

N2 - Low-profile wideband circularly polarized (CP) array antennas using integrated half-power quadrature power divider (HP-QPD) are presented. A novel HP-QPD is first proposed as an important design concept for CP radiation. Detailed analyses show that the proposed HP-QPD can have half-power CP radiation and the remaining half-power transmission with equal-magnitude but quadrature phase difference. Therefore, it can be utilized for designing a 1×2 CP array antenna. Compared to the traditionally designed single-feed or dual-feed CP counterparts, this 1×2 array antenna can have more than four times wider axial ratio (AR) bandwidth with three CP modes and a simple feed network. This 1×2 array antenna was then designed, fabricated, and measured for performance verification. Both measured and simulated results show that this array antenna can have a wide overlapped impedance and AR bandwidth of 7.9% with a thin dielectric thickness of 0.031λ0. The 1×2 array antenna was further extended to a 1×8 linear array antenna for high gain CP radiation. Measured results show that unidirectional and symmetrical radiation patterns are achieved with high peak realized gain of 15.4 dBic, low profile, and simple feed network.

AB - Low-profile wideband circularly polarized (CP) array antennas using integrated half-power quadrature power divider (HP-QPD) are presented. A novel HP-QPD is first proposed as an important design concept for CP radiation. Detailed analyses show that the proposed HP-QPD can have half-power CP radiation and the remaining half-power transmission with equal-magnitude but quadrature phase difference. Therefore, it can be utilized for designing a 1×2 CP array antenna. Compared to the traditionally designed single-feed or dual-feed CP counterparts, this 1×2 array antenna can have more than four times wider axial ratio (AR) bandwidth with three CP modes and a simple feed network. This 1×2 array antenna was then designed, fabricated, and measured for performance verification. Both measured and simulated results show that this array antenna can have a wide overlapped impedance and AR bandwidth of 7.9% with a thin dielectric thickness of 0.031λ0. The 1×2 array antenna was further extended to a 1×8 linear array antenna for high gain CP radiation. Measured results show that unidirectional and symmetrical radiation patterns are achieved with high peak realized gain of 15.4 dBic, low profile, and simple feed network.

KW - Antenna arrays

KW - Wideband

KW - Broadband antennas

KW - Ports (computers)

KW - Microstrip

KW - Antenna measurements

KW - Linear antenna arrays

UR - https://ieeexplore.ieee.org/document/9755032/

U2 - 10.1109/TAP.2022.3164885

DO - 10.1109/TAP.2022.3164885

M3 - Article

VL - PP

SP - 1

EP - 1

JO - IEEE Transactions on Antennas and Propagation

JF - IEEE Transactions on Antennas and Propagation

SN - 0018-926X

IS - 99

M1 - 9755032

ER -