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Generation of OAM Radio Waves Using Circular Vivaldi Antenna Array
Published 2013-01-01“…This paper gives a feasible and simple solution of generating OAM-carrying radio beams. Eight Vivaldi antenna elements connect sequentially and fold into a hollow cylinder. …”
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Effect of Parasitic Element on 408 MHz Antenna for Radio Astronomy Application
Published 2014-01-01“…Antenna is one of the important subsystem components in a radio telescope system. …”
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Advanced Techniques and Antenna Design for Pulse Shaping in UWB Cognitive Radio
Published 2012-01-01Get full text
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4
Wirelessly Pattern Reconfigurable Yagi Antenna Based on Radio Frequency Identification
Published 2024-01-01“…This paper presents, for the first time, the implementation of a pattern reconfigurable Yagi-Uda antenna utilizing radio frequency identification (RFID) technology for remote pattern control. …”
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5
Design of Meander-Line Antennas for Radio Frequency Identification Based on Multiobjective Optimization
Published 2012-01-01“…This paper presents optimization problem formulations to design meander-line antennas for passive UHF radio frequency identification tags based on given specifications of input impedance, frequency range, and geometric constraints. …”
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Beamforming for heterogeneous cloud radio access network
Published 2019-08-01Subjects: “…heterogeneous cloud radio access network…”
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Spatial spectrum based blind spectrum sensing for multi-antenna cognitive radio system
Published 2015-04-01Get full text
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8
Fractional-Order Active Disturbance Rejection Controller Design for Large Radio Telescope Antenna
Published 2022-01-01“…large radio telescope antennas are required in current astronomical research and deep space communication applications. …”
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Generation of OAM Radio Waves with Three Polarizations Using Circular Horn Antenna Array
Published 2015-01-01“…Through reasonable configuration of phased antenna array using elements with three polarizations, the OAM radio waves with three polarizations for different states can be generated. …”
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10
Optimization of a Conical Corrugated Antenna Using Multiobjective Heuristics for Radio-Astronomy Applications
Published 2016-01-01“…This paper presents the design of a tree sections corrugated horn antenna with a modified linear profile, using NURBS, suitable for radio-astronomy applications. …”
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Spectrum Sensing under Correlated Antenna Array Using Generalized Detector in Cognitive Radio Systems
Published 2013-01-01“…We derive the probability of false alarm and detection threshold under employment of the generalized detector (GD) in cognitive radio (CR) systems for two scenarios: firstly, the independent antenna array elements; the secondly, the correlated antenna array elements. …”
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12
Directional dependence of the angular resolution of a radio antenna array due to the Earth’s magnetic field
Published 2024-12-01Subjects: Get full text
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13
Fair Optimization of Video Streaming Quality of Experience in LTE Networks Using Distributed Antenna Systems and Radio Resource Management
Published 2014-01-01“…Network quality of experience (QoE) metrics are proposed in order to capture the overall performance of radio resource management (RRM) algorithms in terms of video quality perceived by the end users. …”
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14
Compact RFID tag antenna based on square spiral resonator
Published 2024-03-01Subjects: Get full text
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Model of an automated control system for the positioning of radio signal transmission/reception devices
Published 2024-11-01“…This research aimed to develop a model of an automated control system for the positioning of radio signal transmission/reception antennas, including directional antennas with a radiation pattern angle of 60-90 degrees, ensuring the minimization of azimuth positioning error. …”
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17
Compact Dual-Band Circularly Polarized Stacked Patch Antenna for Microwave-Radio-Frequency Identification Multiple-Input-Multiple-Output Application
Published 2021-01-01“…A compact, low-profile, two-port dual-band circularly polarized (CP) stacked patch antenna for radio-frequency identification (RFID) multiple-input-multiple-output (MIMO) readers is proposed, which employs the shared-aperture technique. …”
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18
A Hybrid Energy Harvester Based on Bowtie Periodic Antenna Surface
Published 2025-01-01Subjects: “…Radio frequency energy harvesting…”
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A broadband integrated rectenna for microwave radio energy harvesting using an integrated hybrid sandwich power divider
Published 2025-03-01“…This paper presents a broadband rectenna system designed to harvest ambient radio frequency energy using a sandwich-type hybrid power combiner (HPC) for operation in the 2–18 GHz frequency range. …”
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A Reconfigurable Triple-Notch-Band Antenna Integrated with Defected Microstrip Structure Band-Stop Filter for Ultra-Wideband Cognitive Radio Applications
Published 2013-01-01“…A printed reconfigurable ultra-wideband (UWB) monopole antenna with triple narrow band-notched characteristics is proposed for cognitive radio applications in this paper. …”
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