Results 291 to 300 of about 5,014,271 (379)
Flexible Frequency Discrimination Subsystems for Reconfigurable Radio Front Ends
, 2005 C. E. +4 more
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IEEE Transactions on Vehicular Technology, 2023
To face a complex wireless communication scenario, a flexible and tunable multi-functional antenna system should be employed to guarantee system quality. This paper presents a polarization and frequency reconfigurable microstrip patch antenna with a wide
Jiangjun Yang +4 more
semanticscholar +1 more source
To face a complex wireless communication scenario, a flexible and tunable multi-functional antenna system should be employed to guarantee system quality. This paper presents a polarization and frequency reconfigurable microstrip patch antenna with a wide
Jiangjun Yang +4 more
semanticscholar +1 more source
A Frequency-Reconfigurable Dielectric Resonator Antenna With a Water Layer
IEEE Antennas and Wireless Propagation Letters, 2023This letter introduces a frequency-reconfigurable dielectric resonator antenna (DRA) with water layer integration. The proposed method is based on the strategy combination of mode reconfiguration and dielectric loading.
Zhe Chen +5 more
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Frequency-Reconfigurable Antenna With Wide- and Narrowband Modes for Sub-6 GHz Cognitive Radio
IEEE Antennas and Wireless Propagation Letters, 2023This letter presents a frequency-reconfigurable antenna for cognitive radio application in sub-6 GHz 5G band. The proposed antenna consists of a wideband (WB) monopole integrated with a narrowband microstrip patch in a single-layer substrate.
T. Nguyen +3 more
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A Frequency-Reconfigurable Single-Feed Zero-Scanning Antenna
IEEE Transactions on Antennas and Propagation, 2023A frequency-reconfigurable zero-scanning single-feed antenna combining two planar back-to-back quarter-wave patch antennas is presented. The reconfiguration mechanism is implemented using open-circuited stub-loaded varactors, which are connected to the ...
Siti Nailah Mastura Zainarry +2 more
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A Surrogate Modeling Approach for Frequency-Reconfigurable Antennas
IEEE Transactions on Antennas and Propagation, 2023A novel generalizable surrogate modeling approach is specifically developed for frequency-reconfigurable antennas. The generalizable modeling processes is based on the rigorous mathematical derivation, including the solution of a nonlinear overdetermined
Yuming Bai +3 more
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Millimeter-Wave Frequency Reconfigurable Dual-Band CMOS Power Amplifier for 5G Communication Radios
IEEE transactions on microwave theory and techniques, 2022This article presents two millimeter-wave frequency reconfigurable dual-band CMOS power amplifiers (PAs) for fifth-generation (5G) communications comprising a single-stage dual-band PA and a two-stage dual-band PA for higher gain.
Jaehun Lee, Ji-Seon Paek, Songcheol Hong
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Polarization- and Frequency-Reconfigurable Patch Antenna Using Gravity-Controlled Liquid Metal
IEEE Transactions on Circuits and Systems - II - Express Briefs, 2022This letter presents a reconfigurable antenna that uses gravity to control the self-circulation of liquid metal (LM), thereby realizing an adaptive reconstruction method. Then the polydimethylsiloxane (PDMS) structure with a square ring channel is loaded
Lei Li +3 more
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A Frequency-Reconfigurable Planar Slot Antenna Using S-PIN Diode
IEEE Antennas and Wireless Propagation Letters, 2022A novel frequency-reconfigurable solid-state plasma chip antenna based on plane slot is proposed. The radiation slot of the antenna is embedded with a surface-PIN (S-PIN) diode and fed by a microstrip line through electromagnetic coupling.
Xiangyu Jin +3 more
semanticscholar +1 more source