Results 11 to 20 of about 36,496 (304)
A Singly Curved Conformal Phased Array with Integrated Particles-Based CRLH Phase Shifters
Electronics, 2023 In this paper, a four unit cell micron-sized magnetic particles embedded composite right/left-handed (CRLH) transmission line metamaterial phase shifter is proposed.
Muhammad Ayaz, Irfan Ullah
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IEEE Access, 2023 In this paper, a liquid crystal (LC) phase shifter is proposed using a defected-ground-structure (DGS) transmission line on a 4- $\mu \text{m}$ -thin LC layer. The DGS transmission line is a modified micro-strip line that improves phase shift and loss in
Sungeun Kim +2 more
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Hybrid Beamforming for Large Antenna Arrays with Phase Shifter Selection [PDF]
, 2016 This paper proposes an asymptotically optimal hybrid beamforming solution for large antenna arrays by exploiting the properties of the singular vectors of the channel matrix. It is shown that the elements of the channel matrix with Rayleigh fading follow
Dianati, Mehrdad +2 more
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Compact and Low-Loss V-Band Waveguide Phase Shifter Based on Glide-Symmetric Pin Configuration
IEEE Access, 2019 This paper presents a compact and low-loss V-band waveguide phase shifter based on glide-symmetric pin configuration. This kind of higher symmetry permits the control and improvement of the electromagnetic behavior or radiofrequency devices, as it is the
Angel Palomares-Caballero +4 more
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Electronically tunable graphene-based half-mode SIW phase shifter [PDF]
AIP AdvancesThis paper presents a proof of concept for the first graphene-based half-mode substrate integrated waveguide (GHMSIW) phase shifter. The GHMSIW phase shifter comprises a half-mode substrate integrated waveguide (SIW) transmission line and a single stub ...
Shakir Ullah, Muhammad Yasir
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A Continuously Tunable Phase Shifter Using Surface Waves
IEEE Journal of Microwaves, 2021 In this paper we present the theory, design, and implementation of a continuously tunable phase shifter using a surface-wave structure. The surface-wave travels on a reconfigurable impedance surface which is implemented by arranging dipoles on a single ...
Amirmasoud Ohadi +1 more
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A Compact Single-Layer Ultra-Wideband Phase Shifter Using Weakly Coupled Lines
IEEE Access, 2019 This paper presents a novel compact single-layer ultra-wideband phase shifter using weakly coupled lines, which contains a main line and a reference line. The basic equations of this phase shifter are calculated based on the even-odd mode theory.
Qingxiang Dong +4 more
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SIW Butler Matrix with Modified Hybrid Coupler for Slot Antenna Array
IEEE Access, 2016 This paper presents a substrate integrated waveguide Butler matrix with a modified hybrid coupler, operating from 28 to 32 GHz. The modified hybrid coupler is realized by using 90° hybrid coupler followed by a -45° compensating phase ...
Qing-Ling Yang +4 more
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QUICK-ACTING, CONTROLLABLE PHASE SHIFTER FOR PHASE ANGLE ADJUSTMENT IN RADIO SIGNALS [PDF]
Radio Physics and Radio Astronomy, 2022 Subject and Purpose. The phase shifters intended for controlling the phase of radio signals are widely used in ultra-high frequency technology, communication systems, radar, and a variety of measuring and special-purpose radio equipment.
I. M. Mytsenko, O. M. Roenko
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1.4 GHz Low-Cost PIN Diode Phase Shifter for
IEEE Access, 2019 A 1.4 GHz 4-bit positive intrinsic negative (PIN) diode phase shifter with compact reflective loads for an L-band soil moisture measuring radiometer phased array antenna has been successfully designed.
Kim Tuyen Trinh +3 more
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