Results 41 to 50 of about 222,814 (172)

Polarization Reconfigurable Aperture-Fed Patch Antenna and Array

IEEE Access, 2016
This paper presents a reconfigurable aperture-fed patch antenna array for ±45° polarizations. First, a new method to realize the reconfigurable ±45° polarizations is proposed.
Wei Lin, Hang Wong
doaj   +1 more source

Electrical Reconfigurability in Modern 4G, 4G/5G and 5G Antennas: A Critical Review of Polarization and Frequency Reconfigurable Designs

IEEE Access, 2023
This paper presents a critical review of modern 4G, 4G/5G, and 5G antennas, which employ PIN diodes and Varactors for polarization or frequency reconfiguration.
Razan Alhamad, Eqab Almajali, Soliman Mahmoud   +2 more
doaj   +1 more source

A reconfigurable wideband and multiband antenna using dual-patch elements for compact wireless devices [PDF]

, 2012
This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2012 IEEEA reconfigurable wideband and multiband C-Slot patch antenna with dual-patch elements is proposed and studied.
AbuTarboush, HF, Hamed Al-Raweshidy, S. W. Cheung, Cheung, SW, R. Nilavalan, Cheung, S. W., Budimir, D., Hattan F. Abutarboush, Nilavalan, R, Al-Raweshidy, H.S., AbuTarboush, H.F., Peter, Thomas, Al-Raweshidy, H, Cheung, S.W., Peter, T, Nasr, K.M., Djuradj Budimir, Budimir, D, Nasr, Karim M., Karim M. Nasr, Thomas Peter, Nilavalan, R., Abutarboush, Hattan F., Budimir, Djuradj, Al-Raweshidy, Hamed, Nasr, KM, Peter, T.   +26 more
core   +1 more source

An Overview of Polarization, Frequency and Beam Reconfigurable Antennas

IEEE Access
Reconfigurable antennas dynamically alter intrinsic radiation parameters such as polarization, operating frequency, and beam steering. Their relevance has rapidly increased in recent years to support multiple satellite constellations and to mitigate ...
Filipa Antunes, Amelia Ramos, Tiago Varum, Joao N. Matos   +3 more
doaj   +1 more source

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

Reconfigurable tri-band H-shaped antenna with frequency selectivity feature for compact wireless communication systems [PDF]

, 2011
This is the post-print version of the Article. The published version can be accessed from the link below - Copyright @ 2011 IETThis study presents an H-shaped reconfigurable antenna for wireless applications.
AbuTarboush, HF, Budimir, D, Al-Raweshidy, HS, Cheung, SW, Nilavalan, R., Budimir, D., Nilavalan, R, Al-Raweshidy, H.S., AbuTarboush, H.F., Nasr, KM, Peter, T., Al-Raweshidy, H, Cheung, S.W., Peter, T, Nasr, K.M.   +14 more
core   +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

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

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