Wideband and Low-Profile Multi-Polarization Reconfigurable Filtering Antenna Based on Nonuniform Metasurface

Li, Long; Wu, Zhao; Huang, Y. Jessica; Wu, Wei; Xiu, Q. L.; Liang, Jiajun; Huang, Long

doi:10.1109/tcpmt.2023.3287185

Cited by 8 publications

(1 citation statement)

References 27 publications

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“…Multi‐polarization and pattern reconfigurable antennas generally possess more than two polarization modes, and they can switch the work state according to the communication requirement. There have three common approaches to realizing a polarization reconfigurable antenna, one is to reconfigure the radiator by some radio frequency (RF) switches [2–4], another one is to design a phase‐shift network [5–7], and the other is to utilize the metasurface (MS) [8–10]. A ±45° polarization reconfigurable antenna proposed in [2] has a low profile of 0.04 λ , but a narrow operating bandwidth of 5.7%.…”

Section: Introductionmentioning

confidence: 99%

Low‐profile multi‐polarization and pattern reconfigurable antenna based on metasurface

Liang

et al. 2023

Electronics Letters

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In this letter, a low‐profile metasurface (MS) antenna with multi‐polarization and pattern reconfigurability is presented. The antenna mainly consists of two parts, including a loop antenna fed by balun, and a MS antenna excited by the coupled aperture. When switching the PIN diode and rotating the MS, the multi‐polarization and pattern reconfigurable ability of the antenna is obtained. While the loop antenna is excited, a horizontally linear polarized (HLP) wave and omnidirectional pattern are obtained. Besides, when the MS is operated, due to the differential phase between the orthogonal surface impedance components, the antenna can be switched between vertical linear polarization (VLP), left‐hand circular polarization (LHCP), and right‐hand circular polarization (RHCP). Furthermore, the antenna could achieve a directional pattern. As the simulated and measured results shown, the proposed antenna has an overlapped impedance bandwidth (IMBW) of 24.7% for all polarization modes and a 3‐dB axial ratio (AR) bandwidth of 11.8% for L/RHCP modes. Moreover, the antenna owns a low profile of 0.06 λ (under the operating centre frequency).

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Section: Introductionmentioning

confidence: 99%

Low‐profile multi‐polarization and pattern reconfigurable antenna based on metasurface

Liang

et al. 2023

Electronics Letters

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Recent development in reconfigurable dielectric resonator antenna and microwave filter: design and application

Rai,

Ranjan,

Chowdhury

2024

Int J Communication

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SummaryDeveloping wireless communication systems depends on reconfigurable microwave filters (MF) and dielectric resonator antenna (DRA) because the functionality of the various filters and antennas available for a wireless communication system is limited, and reconfigurable DRA and MF are utilized to overcome these limitations. The throughput of a multiantenna system can be achieved with reconfigurable DRA and filter. Various switching strategies and classifications of reconfigurable DRA and MF are presented. The electrical reconfiguration technique is most suitable for developing a reconfigurable DRA and filter among all the switching techniques. In this approach, reconfigurability may be accomplished by utilizing a PIN diode, a varactor diode, and a radio‐frequency microelectromechanical switch (RF‐MEMS). These switches are more reliable, highly efficient, and easily integrated with the microwave circuit. Reconfigurable DRA with machine learning is demonstrated. The application of reconfigurable DRA and filters in cognitive radio (CR) is also demonstrated. Also, the review article focused on the performance parameters, design, and challenges of reconfigurable antenna and MF.

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A miniaturized dual wide‐band polarization reconfigurable antenna integrated with artificial magnetic conductor for next‐generation wireless applications

Rajavel,

Ghoshal

2024

Int J Communication

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SummaryIn today's intricate wireless communication environment, ensuring system quality demands the use of a reliable and versatile antenna system. This research article introduces a polarization reconfigurable antenna integrated with a 4 × 4 Artificial Magnetic Conductor (AMC) surface. The AMC unit cell exhibits a triple‐band reflection phase response at 1.8GHz, 4.5GHz, and 5.5GHz, demonstrating double negative metamaterial behavior. The antenna features two distinct C‐shaped metal strips connected to two PIN diodes, enabling dynamic current distribution adjustment. Consequently, the proposed antenna offers three reconfigurable states, facilitating seamless switching between dual circular polarization (left and right‐hand circular polarization) and linear polarization. With a frequency coverage ranging from 1.29 to 2.52GHz and 3.59 to 6.15GHz, the antenna boasts a maximum axial ratio (AR) bandwidth of 31.96%. Additionally, it achieves a maximum peak gain of 5.5 dB and maintains front‐to‐back ratio (FBR) values exceeding 25 dB, while recording a minimum specific absorption rate (SAR) value of 0.1059 W/kg. The integration of the AMC surface ensures enhanced performance of the antenna. Experimental results from constructed prototypes closely align with simulation outcomes, validating the effectiveness of the proposed antenna. Consequently, this antenna holds significant promise for next‐generation wireless applications.

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Wideband and Low-Profile Multi-Polarization Reconfigurable Filtering Antenna Based on Nonuniform Metasurface

Cited by 8 publications

References 27 publications

Low‐profile multi‐polarization and pattern reconfigurable antenna based on metasurface

Low‐profile multi‐polarization and pattern reconfigurable antenna based on metasurface

Recent development in reconfigurable dielectric resonator antenna and microwave filter: design and application

A miniaturized dual wide‐band polarization reconfigurable antenna integrated with artificial magnetic conductor for next‐generation wireless applications

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