Results 21 to 30 of about 31,467 (338)

Advances in Reconfigurable Antenna Systems Facilitated by Innovative Technologies

open access: yesIEEE Access, 2018
Future fifth generation (5G) wireless platforms will require reconfigurable antenna systems to meet their performance requirements in compact, light-weight, and cost-effective packages. Recent advances in reconfigurable radiating and receiving structures
Y. Jay Guo   +4 more
doaj   +1 more source

Compact printed multiband antenna with independent setting suitable for fixed and reconfigurable wireless communication systems [PDF]

open access: yes, 2012
This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2012 IEEE. Personal use of this material is permitted.
Hattan F. Abutarboush   +6 more
core   +2 more sources

Review of Reconfigurable Antennas for LTE, WiMAX and WLAN Application

open access: yesAdvanced Electromagnetics, 2017
To satisfy the requirement of advance wireless system various frequency and pattern reconfigurable antennas are designed. Monopole and PIFA antennas with reconfigurability are preferred for various handheld devices.
A. A. Palsokar, S. L. Lahudkar
doaj   +1 more source

PIFA based reconfigurable multiband antenna for wireless applications [PDF]

open access: yes, 2010
Copyright @ 2010 IEEEA compact reconfigurable four bands Planar Inverted-F Antenna (PIFA) is presented for Digital Video Broadcasting - Handheld (DVB-H), Universal Mobile Telecommunications System (UMTS), Global System for Mobile Communications (GSM800 ...
AbuTarboush, HF, Nilavalan, R, Peter, T
core   +1 more source

Reconfigurable wideband patch antenna for cognitive radio [PDF]

open access: yes, 2009
Cognitive radio communication is envisaged to be a new paradigm of methodologies for enhancing the performance of radio communication systems through the efficient utilization of radio spectrum.
AbuTarboush, H.F.   +9 more
core   +2 more sources

Joint Symbol-Level Precoding and Reflecting Designs for IRS-Enhanced MU-MISO Systems [PDF]

open access: yes, 2021
Intelligent reflecting surfaces (IRSs) have emerged as a revolutionary solution to enhance wireless communications by changing propagation environment in a cost-effective and hardware-efficient fashion.
Li, M, Liu, Q, Liu, R, Swindlehurst, AL
core   +2 more sources

Analysis of RF Front-End Performance of Reconfigurable Antennas with RF Switches in the Far Field

open access: yesInternational Journal of Antennas and Propagation, 2014
The RF front-end performances in the far-field condition of reconfigurable antennas employing two commonly used RF switching devices (PIN diodes and RF-MEMS switches) were compared.
Insu Yeom   +4 more
doaj   +1 more source

On the Reconfigurability of a Singly-Layered Dual-Band Reflectarray for Space Applications [PDF]

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2023
This paper presents a feasibility study of a singlylayered dual-band reflectarray for space applications. The data links should operate simultaneously at K-band downlink frequency band 17.7-20.2 GHz with left-hand circular polarization (LHCP) and at Ka ...
Roger L. Farias   +2 more
doaj   +1 more source

Recent Advances in Flexible RF MEMS

open access: yesMicromachines, 2022
Microelectromechanical systems (MEMS) that are based on flexible substrates are widely used in flexible, reconfigurable radio frequency (RF) systems, such as RF MEMS switches, phase shifters, reconfigurable antennas, phased array antennas and resonators,
Yingli Shi, Zhigang Shen
doaj   +1 more source

Aiming Perfectly in the Dark - Blind Interference Alignment through Staggered Antenna Switching [PDF]

open access: yes, 2010
We propose a blind interference alignment scheme for the vector broadcast channel where the transmitter is equipped with M antennas and there are K receivers, each equipped with a reconfigurable antenna capable of switching among M preset modes.
Gou, Tiangao   +2 more
core   +1 more source

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