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   Articles with "phase shifters" as a keyword



Series vs Parallel Reflection-Type Phase Shifters

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recommendations! Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.3030463

Abstract: A performance comparison between series and parallel resonant circuits in the Reflection-Type Phase Shifter (RTPS) configuration is presented in this article. Initially, equations are derived to theoretically assess the fundamental limits of both configurations, in… read more here.

Keywords: series parallel; type phase; reflection type; phase ... See more keywords

Low-Loss Mechanically Tunable Resonator and Phase Shifters in Groove Gap Waveguide Technology

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recommendations! Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3186988

Abstract: This research is focused on the design and realization of high-performance high-power variable phase shifters in groove gap waveguide technology. Specifically, it is shown that the unique characteristic of groove gap waveguides, which is its… read more here.

Keywords: groove gap; shifters groove; mechanically tunable; phase ... See more keywords

Thermal Phase Shifters for Femtosecond Laser Written Photonic Integrated Circuits

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recommendations! Published in 2019 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2019.2923126

Abstract: Photonic integrated circuits (PICs) are today acknowledged as an effective solution to fulfill the demanding requirements of many practical applications in both classical and quantum optics. Phase shifters integrated in the photonic circuit offer the… read more here.

Keywords: photonic integrated; integrated circuits; thermal phase; shifters femtosecond ... See more keywords

MIMO With Analogue 1-Bit Phase Shifters: A Quantum Annealing Perspective

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recommendations! Published in 2024 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2024.3382095

Abstract: In this letter, we study the analogue pre/post-coding vector design for a point-to-point multiple-input multiple-output (MIMO) system with 1-bit phase shifters. Specifically, we focus on the signal-to-noise ratio (SNR) maximization problem which corresponds to a… read more here.

Keywords: mimo analogue; bit; phase shifters; bit phase ... See more keywords

Improving Beamforming Performance With Practical Phase Shifters Using Robust Mapping and Deep Learning

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recommendations! Published in 2024 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2024.3360637

Abstract: In this article, the problem of beamforming and maximizing the phased array gain for practical phase shifters is addressed using a deep learning approach. For an ideal phase shifter, the amplitude is constant and the… read more here.

Keywords: deep learning; voltage values; phase shifters; practical phase ... See more keywords

FALP: Fast Beam Alignment in mmWave Systems With Low-Resolution Phase Shifters

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recommendations! Published in 2019 at "IEEE Transactions on Communications"

DOI: 10.1109/tcomm.2019.2941490

Abstract: Millimeter wave (mmWave) systems can enable high data rates if the link between the transmitting and receiving radios is configured properly. Fast configuration of mmWave links, however, is challenging due to the use of large… read more here.

Keywords: resolution; phase shifters; beam; beam alignment ... See more keywords

Balanced Wideband Quasi-Schiffman Phase Shifters Based on Slotlines

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recommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2022.3185332

Abstract: This brief presents a quasi-design about balanced wideband Schiffman phase shifters based on slotlines, which can achieve phase shift with relatively small phase equiripple and high common mode (CM) rejection. The proposed balanced phase shifters… read more here.

Keywords: balanced wideband; schiffman phase; shifters based; phase ... See more keywords

Synthesis Design of Dual-Band Differential Phase Shifters With Independent Filtering Passbands and Predetermined Phase Shifts

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recommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2021.3055182

Abstract: This article proposes the synthesis design method of the dual-band differential phase shifters with independent filtering passbands and predetermined phase shifts. The filtering unit of the proposed phase shifter adopts a simple branch-line structure, which… read more here.

Keywords: dual band; phase shifts; phase; design ... See more keywords

50–110-GHz Continuous GaN MMIC Reflective Phase Shifters

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recommendations! Published in 2024 at "IEEE Transactions on Microwave Theory and Techniques"

DOI: 10.1109/tmtt.2023.3308107

Abstract: This article presents design, simulation, and measurements of continuous 90° and 180° phase shifters implemented in a 40-nm gallium nitride (GaN)-on-SiC process. The architecture of a single 90° reflective phase shifter uses a Lange coupler… read more here.

Keywords: continuous gan; 110 ghz; phase shifters; reflective phase ... See more keywords

A Unifying Design of Hybrid Beamforming Architectures Employing Phase Shifters or Switches

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recommendations! Published in 2018 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2018.2865705

Abstract: Hybrid beamforming (BF) architectures employing phase shifters or switches reduce the number of required radio frequency chains and the power consumption of base stations that employ a large number of antennas. Due to the inherent… read more here.

Keywords: phase shifters; phase; beamforming; architectures employing ... See more keywords

Energy-Efficient Analog Combiner Design Using Low-Resolution Phase Shifters and Antenna Selection for mmWave D2D Communications

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recommendations! Published in 2020 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2020.3025055

Abstract: This study investigates the use of an analog combiner comprising low-resolution phase shifters (PSs) to suppress interference from other devices and improve the received signal power of interest in millimeter-wave device-to-device networks simultaneously. Unlike typical… read more here.

Keywords: analog; low resolution; resolution phase; analog combiner ... See more keywords