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Open access Oct 2026

A Compact Circularly Polarized CRLH Leaky‐Wave Antenna for Satellite Communications

A circularly polarized (CP) microstrip composite right/left‐handed (CRLH) leaky‐wave antenna (LWA) with wide‐angle scanning capability is proposed. The antenna is based on a microstrip transmission line that integrates patch, metallic via, and folded branches for miniaturization. The left‐handed and right‐handed parame...

Xiong-An Zeng, Nai-Qiao Zhao, L. Chernogor et al. · 0 citations
Open access Sep 2026

An SDR-Integrated Dual-Band Directional Antenna System for Counter-Drone RF Link Suppression: Design and Open-Field Validation

This paper presents a single-fed dual-band stacked antenna developed for directional counter-drone RF link suppression at the 2.45 GHz and 5.8 GHz ISM bands. The proposed antenna combines a partial ground structure, a metallic reflector, two circular parasitic-resonator layers, and a frequency-selective surface within...

Mert Karahan, Mustafa Güç, Ş. Şanlıöz · 0 citations
Open access Sep 2026

Broadband, Low Profile, Circularly Polarized, Slot Antenna With S‐Shaped Coupling Structure for Vehicle‐to‐Satellite Communications

In this study, a low‐profile circularly polarized (CP) slot antenna featuring an S‐shaped coupling structure is proposed for vehicle‐to‐satellite communications. By leveraging the S‐shaped coupling feed, both wide impedance bandwidth and CP radiation are achieved. In addition, a defected ground structure (DGS) is incor...

Lu Chang, Chao Wang · 0 citations
Conference Open access Sep 2026

Dual-Polarized High-Isolation Textile SIW Antenna at 5 GHz Full-Duplex Communication in Body-Area Networks

A compact co-frequency dual-polarized substrate-integrated-waveguide (SIW) cavity-backed slot antenna for 5-GHz wearable in-band full-duplex (IBFD) communication is described. The antenna is fabricated on a 1.5-mm felt textile substrate and is excited by two quadrature-fed annular slots in a 46.8-mm circular SIW cavity...

N. Palvannazirova, Ayaz Waseem, Nikita Lobasevich et al. · 0 citations
Open access Oct 2026

A compact single-layer tri-band directional antenna for Wi-Fi 6/6E applications

A compact single-layer, single-feed tri-band directional antenna is presented for Wi-Fi 6/6E systems. The target bands at 2.4, 5.2, and 6.0 GHz yield a highest-to-lowest frequency ratio of 2.50, making compact integration of the low-band radiator particularly challenging. To address this issue, the 2.4-GHz driven patch...

A. Nguyen-Quang, Hung Tran-Huy, Hung Nguyen-Manh et al. · 0 citations
Conference Sep 2026

Dual-Band Dual-Polarized Ultra-Thin Flexible Antenna Array for mmWave Wearable Applications

An ultra-thin flexible antenna array based on dualband, dual-polarized antenna elements is presented in this paper. In ultra-thin millimeter-wave antennas, maintaining high isolation between orthogonal polarizations across two frequency bands is challenging due to strong coupling through the patch structure and limited...

S. Alamdar, F. De Flaviis, Soheil Saadat · 0 citations

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