Results 1 to 10 of about 1,902,856 (342)
Evaluation of 8-Channel Radiative Antenna Arrays for Human Head Imaging at 10.5 Tesla [PDF]
Sensors, 2021 For human head magnetic resonance imaging at 10.5 tesla (T), we built an 8-channel transceiver dipole antenna array and evaluated the influence of coaxial feed cables.
Myung Kyun Woo +9 more
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Decoupling of Dual-Polarized Antenna Arrays Using Non-Resonant Metasurface [PDF]
Sensors, 2022 A non-resonant metasurface (NRMS) concept is reported in this paper to improve the isolation of dual-polarized and wideband large-scale antenna arrays. By properly designing the NRMS, it can perform stable negative permeability and positive permittivity ...
Shengyuan Luo +4 more
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Flexible Phased Antenna Arrays: A Review [PDF]
SensorsFlexibility in phased antenna arrays open the world of new applications. Such arrays can conform to different shapes while ensuring performance in harsh conditions.
Waleef Ullah Usmani +2 more
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Sidelobe Reductions of Antenna Arrays via an Improved Chicken Swarm Optimization Approach
IEEE Access, 2020 Antenna arrays are able to improve the directivity performance and reduce the cost of wireless communication systems. However, how to reduce the maximum sidelobe level (SLL) of the beam pattern is a key problem in antenna arrays.
Shuang Liang +5 more
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Magneto-Electric Dipole Antenna Arrays [PDF]
IEEE Transactions on Antennas and Propagation, 2014 A planar magneto-electric (ME) dipole antenna array is proposed and demonstrated by both full-wave analysis and experiments. The proposed structure leverages the infinite wavelength propagation characteristic of composite right/left-handed (CRLH ...
Caloz, Christophe +2 more
core +8 more sources
Near-Field Wideband Beamforming for Extremely Large Antenna Arrays [PDF]
IEEE Transactions on Wireless Communications, 2021 The natural integration of extremely large antenna arrays (ELAAs) and terahertz (THz) communications can potentially establish Tbps data links for 6G networks. However, due to the extremely large array aperture and wide bandwidth, a new phenomenon termed
Mingyao Cui, Linglong Dai
semanticscholar +1 more source
Wireless Picosecond Time Synchronization for Distributed Antenna Arrays [PDF]
IEEE transactions on microwave theory and techniques, 2022 Distributed antenna arrays have been proposed for many applications ranging from space-based observatories to automated vehicles. Achieving good performance in distributed antenna systems requires stringent synchronization at the wavelength and ...
Jason M. Merlo +2 more
semanticscholar +1 more source
Effect of polarized signals on the performance of adaptive antenna arrays [PDF]
Archives of Electrical Engineering, 2020 The polarized electromagnetic waves have significant impact on the performance of adaptive antenna arrays. In this paper we investigate the effect of polarized desired and undesired signals on the performance of electronically steered beam adaptive ...
Amin H. Al Ka'bi
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Satellite Swarm-Based Antenna Arrays for 6G Direct-to-Cell Connectivity
IEEE Access, 2023 Direct connectivity in L/S frequency bands between satellites and common mobile terrestrial user equipment (UE), such as smartphones, is an essential feature for future 6G non-terrestrial networks.
Diego Tuzi, T. Delamotte, A. Knopp
semanticscholar +1 more source
IET Microwaves, Antennas & Propagation, 2023 The detection and stealth abilities of array antennas depend mainly on the antennas' radiating and scattering performance, respectively. However, the operating environmental loads and assembly lead to serious structural errors, including deformation and ...
Yan Wang +10 more
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