Results 1 to 10 of about 546,427 (119)
X-Shaped Dual-Band Slot Antenna with Simultaneous Pattern Diversity and Frequency Tuning [PDF]
SensorsThis paper proposes a frequency-reconfigurable and active beam-switching antenna based on an X-shaped slot array integrated with a diode-based switching network.
Youngjin Cho, Youngje Sung
doaj +2 more sources
IEEE Access, 2023 This paper presents a compact three-port antenna design suitable for use in mobile radio systems that require polarization and pattern diversity. The antenna design utilizes a shorted bow-tie patch split in half with an air gap and a top-loaded two ...
Jihun Choi, Fikadu T. Dagefu
doaj +1 more source
IEEE Access, 2022 In this paper, a highly-isolated microstrip patch antenna (MPA) is presented for pattern diversity applications. The physical insight of MPA is investigated without the influence of external exciter by using the theory of characteristic modes (TCMs ...
Changjiang Deng, Zhewei Zhao, Weihua Yu
doaj +1 more source
Dual-Circularly Polarized Topological Patch Antenna With Pattern Diversity
IEEE Access, 2021 Recently, the topological properties of composite vortices, i.e., the superposition between vortex modes of a different order, have proven effective in manipulating the radiation properties of patch antennas and making them suitable for new operative ...
Mirko Barbuto +3 more
doaj +1 more source
Vertically Polarized Quasi-Yagi MIMO Antenna for 5G N78 Band Application
IEEE Access, 2021 In this study, a three-port vertically polarized Quasi-Yagi Multiple-Input-Multiple-Output (MIMO) antenna system with pattern diversity is proposed for 5G N78 band application.
Yizhen Xu +3 more
doaj +1 more source
MIMO Antenna System With Pattern Diversity for Sub-6 GHz Mobile Phone Applications
IEEE Access, 2021 A MIMO antenna system is designed and presented for sub-6 GHz mobile phone applications. The proposed antenna design consists of six loop-type radiation elements.
Uzair Ahmad +6 more
doaj +1 more source
Uni-Planar MIMO Antenna for Sub-6 GHz 5G Mobile Phone Applications
Applied Sciences, 2022 This article presents the design of a uni-planar MIMO antenna system for sub-6 GHz 5G-enabled smartphones. The MIMO antenna designed comprises four loop-shaped radiators placed at each corner of the mobile phone board, which follows the principle of ...
Umair Rafique +7 more
doaj +1 more source
UWB MIMO antenna with hybrid pattern and polarization diversity [PDF]
Journal of Engineering Science and Military Technologies, 2021 This study introduces a detailed design architecture and analysis of amodified half disc monopole Ultra-Wideband (UWB) (3.110.6- GHz)antenna elementused to build a multiple-input multiple-output MIMOwith extra hybrid polarization and radiation pattern ...
Abdallah Yousef +3 more
doaj +1 more source
Anterior–Posterior Patterning in Lepidopteran Wings
Frontiers in Ecology and Evolution, 2020 The color patterns on the wings of butterflies and moths are among the most complex manifestations of pattern formation in nature. The complexities of these patterns arise from the diversification of a conserved set of homologous elements known as the ...
Kenneth Z. McKenna +2 more
doaj +1 more source
IEEE Open Journal of Antennas and Propagation, 2022 In this paper, a compact, band-notched ultra-wideband (UWB) fully-recessed antenna with pattern diversity is proposed and demonstrated for vehicle-to-X communications.
Ke Zhang +4 more
doaj +1 more source