Results 11 to 20 of about 88,827 (197)
IEEE Access, 2019 A wideband 8-antenna multiple-input and multiple-output (MIMO) system that can cover 3.3-5.0 GHz is proposed for the 5G new radio N77/N78/N79 application in mobile phones.
Anping Zhao, Zhouyou Ren
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Effects of Closed-Loop Devices on Omnidirectional Beam Patterns Radiated from WAVE Monopole Antennas
Applied Sciences, 2022 This study investigates the influence of closed-loop devices on omnidirectional beam patterns radiated from a Wireless Access for Vehicle Environment (WAVE) monopole antenna for facilitating communication stability in Vehicle-to-Vehicle and Vehicle-to ...
Hong-Chan Kim +2 more
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Gong-kuang zidonghua, 2022 When the metal structures distributed in the underground roadway are in the near-field of the large loop transmitting antenna, they will couple the electromagnetic wave energy of the large loop transmitting antenna.
FAN Sihan, YANG Wei, LIU Junbo
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IEEE Antennas and Propagation Magazine, 2011 Loop-antenna calibration is discussed in this tutorial. Loop antennas are especially used in low-frequency radiated-emission (RE) and radiated-susceptibility (RS) measurements and tests. These are important in commercial systems, but critical in military systems.
Soydan Cakir +3 more
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IEEE Access, 2020 This paper studies an isolated ground-radiation antenna (iGradiANT) that has inherent isolation with another closely-located antenna element and demonstrates its applications in 5G multiple-input multiple-output (MIMO) antenna array.
Haiyan Piao, Yunnan Jin, Longyue Qu
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Numerical and experimental evaluation of phantoms for off-body wireless communications [PDF]
, 2011 The effects of a numerical and a physical phantom on different antenna configurations are evaluated. Input response, radiation patterns and efficiency are considered in the presence of the phantoms.
Giddens, H +3 more
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Applied Sciences, 2019 In this paper, we propose a compact four-port coplanar antenna for cognitive radio applications. The proposed antenna consists of a coplanar waveguide (CPW)-fed ultra-wideband (UWB) antenna and three inner rectangular loop antennas. The dimensions of the
Yeonjeong O, Yunnan Jin, Jaehoon Choi
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A Loop-Line Antenna with Enhanced Bandwidth of Circular Polarization
International Journal of Antennas and Propagation, 2020 We investigate a circularly polarized (CP) transmission-line antenna composed of loop radiation elements, called a loop-line antenna. To enhance the CP wave bandwidth, an isolated loop radiation element is first analyzed using the method of moments.
Kazuhide Hirose +2 more
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An adaptive microstrip patch antenna for use in portable transceivers [PDF]
, 1996 This paper describes an adaptive frequency tunable microstrip patch antenna. The introduction of an adaptive feedback loop enables the patch antenna to optimise the antenna-feed impedance match.
Hilton, GS, Railton, CJ, Rostbakken, O
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Design and Analysis of Printed Square Loop Antenna and Solenoidal Loop Antenna for Pill Shaped Bio-implants Object [PDF]
Engineering and Technology Journal, 2017 This paper deals to design and investigated two proposed loop antenna for pill shaped bio-implants objects such as wireless capsule endoscopy. In additional it’s help in developing an understanding of how the fields decay with distance.
S. Mutashar
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