A Filtering Patch Antenna With Reconfigurable Quad-Polarization Diversity

Yiqing Sun; Feng Lin; De Hao Zhao; Zhen Jun Zhai; Hou Jun Sun; Xiu Yin Zhang

doi:10.1109/TCSII.2023.3327000

A Filtering Patch Antenna With Reconfigurable Quad-Polarization Diversity

Yiqing Sun, Feng Lin^*, De Hao Zhao, Zhen Jun Zhai, Hou Jun Sun, Xiu Yin Zhang

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

8 Citations (Scopus)

Abstract

This brief presents a filtering patch antenna with reconfigurable quad-polarization diversity. By loading parasitic patches and a Jerusalem-cross-shaped metal strip on a patch antenna, two radiation nulls are introduced to realize frequency selectivity. Then, to achieve reconfigurability, a feeding network with four switchable output modes is proposed. By switching the PIN diodes, the antenna realizes vertical linear-polarized (V-LP), horizontal linear-polarized (H-LP), left-hand circular-polarized (LHCP) and right-hand circular-polarized (RHCP) radiations while maintaining its intrinsic filtering characteristic. A prototype operating at 2.28 GHz is fabricated, and the measured 10-dB overlapped bandwidth of the four polarization states is 5.7%. The peak gains for the four states are higher than 6.65 dBi, and the overlapped 3-dB AR bandwidth is 7.89%.

© 2023 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.

Original language	English
Pages (from-to)	1106-1110
Journal	IEEE Transactions on Circuits and Systems II: Express Briefs
Volume	71
Issue number	3
Online published	24 Oct 2023
DOIs	https://doi.org/10.1109/TCSII.2023.3327000
Publication status	Published - Mar 2024

Funding

This work was supported by the Beijing Natural Science Foundation under Grant 4212053.

Research Keywords

Filtering antenna
quad-polarization
radiation nulls
reconfigurable device

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title = "A Filtering Patch Antenna With Reconfigurable Quad-Polarization Diversity",

abstract = "This brief presents a filtering patch antenna with reconfigurable quad-polarization diversity. By loading parasitic patches and a Jerusalem-cross-shaped metal strip on a patch antenna, two radiation nulls are introduced to realize frequency selectivity. Then, to achieve reconfigurability, a feeding network with four switchable output modes is proposed. By switching the PIN diodes, the antenna realizes vertical linear-polarized (V-LP), horizontal linear-polarized (H-LP), left-hand circular-polarized (LHCP) and right-hand circular-polarized (RHCP) radiations while maintaining its intrinsic filtering characteristic. A prototype operating at 2.28 GHz is fabricated, and the measured 10-dB overlapped bandwidth of the four polarization states is 5.7%. The peak gains for the four states are higher than 6.65 dBi, and the overlapped 3-dB AR bandwidth is 7.89%. {\textcopyright} 2023 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.",

keywords = "Filtering antenna, quad-polarization, radiation nulls, reconfigurable device",

author = "Yiqing Sun and Feng Lin and Zhao, {De Hao} and Zhai, {Zhen Jun} and Sun, {Hou Jun} and Zhang, {Xiu Yin}",

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AU - Sun, Yiqing

AU - Lin, Feng

AU - Zhao, De Hao

AU - Zhai, Zhen Jun

AU - Sun, Hou Jun

AU - Zhang, Xiu Yin

PY - 2024/3

Y1 - 2024/3

N2 - This brief presents a filtering patch antenna with reconfigurable quad-polarization diversity. By loading parasitic patches and a Jerusalem-cross-shaped metal strip on a patch antenna, two radiation nulls are introduced to realize frequency selectivity. Then, to achieve reconfigurability, a feeding network with four switchable output modes is proposed. By switching the PIN diodes, the antenna realizes vertical linear-polarized (V-LP), horizontal linear-polarized (H-LP), left-hand circular-polarized (LHCP) and right-hand circular-polarized (RHCP) radiations while maintaining its intrinsic filtering characteristic. A prototype operating at 2.28 GHz is fabricated, and the measured 10-dB overlapped bandwidth of the four polarization states is 5.7%. The peak gains for the four states are higher than 6.65 dBi, and the overlapped 3-dB AR bandwidth is 7.89%. © 2023 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.

AB - This brief presents a filtering patch antenna with reconfigurable quad-polarization diversity. By loading parasitic patches and a Jerusalem-cross-shaped metal strip on a patch antenna, two radiation nulls are introduced to realize frequency selectivity. Then, to achieve reconfigurability, a feeding network with four switchable output modes is proposed. By switching the PIN diodes, the antenna realizes vertical linear-polarized (V-LP), horizontal linear-polarized (H-LP), left-hand circular-polarized (LHCP) and right-hand circular-polarized (RHCP) radiations while maintaining its intrinsic filtering characteristic. A prototype operating at 2.28 GHz is fabricated, and the measured 10-dB overlapped bandwidth of the four polarization states is 5.7%. The peak gains for the four states are higher than 6.65 dBi, and the overlapped 3-dB AR bandwidth is 7.89%. © 2023 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission.

KW - Filtering antenna

KW - quad-polarization

KW - radiation nulls

KW - reconfigurable device

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JO - IEEE Transactions on Circuits and Systems II: Express Briefs

JF - IEEE Transactions on Circuits and Systems II: Express Briefs

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A Filtering Patch Antenna With Reconfigurable Quad-Polarization Diversity

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