Results 41 to 50 of about 2,140 (163)

Millimeter-wave reconfigurable antenna based on VO2 ink achieved by a simple process

Materials & Design
The growth of communication demands have boosted the development of millimeter-wave technology, as the spectrum migrates to higher frequencies. And reconfigurable antennas emerge as a promising solution for complex communication systems.
Suwu Ma, Wanchen Yang, Jinghao Li, Quan Xue, Wenquan Che   +4 more
doaj   +1 more source

Wearable Fabric Reconfigurable Beam-Steering Antenna for On/Off-Body Communication System

International Journal of Antennas and Propagation, 2015
This paper presents a comparison of on-body performances between omnidirectional (loop antenna) and reconfigurable beam-steering antennas. Both omnidirectional and reconfigurable antennas were manufactured on the same fabric substrate and operated at the
Seonghun Kang, Chang Won Jung
doaj   +1 more source

Experimental Results of Novel DoA Estimation Algorithms for Compact Reconfigurable Antennas

International Journal of Antennas and Propagation, 2017
Reconfigurable antenna systems have gained much attention for potential use in the next generation wireless systems. However, conventional direction-of-arrival (DoA) estimation algorithms for antenna arrays cannot be used directly in reconfigurable ...
Henna Paaso, Aki Hakkarainen, Nikhil Gulati, Damiano Patron, Kapil R. Dandekar, Mikko Valkama, Aarne Mämmelä   +6 more
doaj   +1 more source

Low-Cost S-Band Reconfigurable Monopole/Patch Antenna for CubeSats

IEEE Open Journal of Antennas and Propagation, 2020
The development of reconfigurable antennas compatible with a CubeSat form factor can aid several space missions. Often, satellite missions require multiple wireless links with the same radio, but the design of such antennas is challenging due to the ...
Alexander D. Johnson, Vignesh Manohar, Satheesh Bojja Venkatakrishnan, John L. Volakis   +3 more
doaj   +1 more source

Graphene-Based Multi-Beam Reconfigurable THz Antennas

IEEE Access, 2019
Several configurations of multi-beam reconfigurable THz antennas based on graphene have been investigated. Two modulation mechanisms of graphene-based THz antenna are introduced, one is the reflector-transmission window model, and the other is the ...
Yanbin Luo, Qingsheng Zeng, Xin Yan, Yong Wu, Qichao Lu, Chaofan Zheng, Nan Hu, Wenqing Xie, Xia Zhang   +8 more
doaj   +1 more source

Accurate and Robust Characterization of Metasurface-Enabled Frequency Reconfigurable Antennas by Radially Homogeneous Model

IEEE Access, 2019
A category of frequency reconfigurable antennas realized by rotating mechanically a metasurface mounted atop a source radiator has attracted growing attention.
Hongmei Li, Xuming Man, Jiaran Qi
doaj   +1 more source

Reconfigurable pixel antennas for communications

, 2023
The explosive growth of wireless communications has brought new requirements in terms of compactness, mobility and multi-functionality that pushes antenna research. In this context, recon gurable antennas have gained a lot of attention due to their ability to adjust dynamically their frequency and radiation properties, providing multiple ...
openaire   +3 more sources

A State-of-the-Art Review on 4D Printed Antennas and Other Adaptable Designs

IEEE Access
This article offers a thorough review of the current state-of-the-art in four-dimensional (4D) printed antennas and possible adaptable designs. It provides a succinct examination of various categories of materials used in three-dimensional (3D) and 4D ...
Saul S. Carvalho, Joao R. V. Reis, Rafael F. S. Caldeirinha   +2 more
doaj   +1 more source

Metamaterials and Their Application in the Performance Enhancement of Reconfigurable Antennas: A Review. [PDF]

Micromachines (Basel), 2023
Hussain M, Awan WA, Alzaidi MS, Hussain N, Ali EM, Falcone F.   +5 more
europepmc   +1 more source

Reconfigurable Antennas for Wireless Communication: Design Mechanism, State of the Art, Challenges, and Future Perspectives

International Journal of Antennas and Propagation
The rapid development of wireless technology has heightened the requirement for antenna performance. Traditional antennas, characterized by their static performance, are no longer sufficient to accommodate the dynamic requirements of modern wireless ...
Mingyue Zhang, Guangyu Xu, Renjing Gao
doaj   +1 more source