Results 111 to 120 of about 639,224 (342)
RHOMBUS SHAPED RECONFIGURABLE MICROSTRIP ANTENNA FOR CDMA WIRELESS APPLICATIONS [PDF]
ICTACT Journal on Communication Technology, 2015 Rhombus Shaped Reconfigurable microstrip antenna is designed to operate at 1.74GHz. The proposed antenna is a Rhombus shaped microstrip antenna which gives a good size reduction with good impedance bandwidth in terms of with and without capacitor.
K. Madhusudhana, S. Jagadeesha
doaj
High-Rate Space Coding for Reconfigurable 2x2 Millimeter-Wave MIMO Systems
, 2015 Millimeter-wave links are of a line-of-sight nature. Hence, multiple-input multiple-output (MIMO) systems operating in the millimeter-wave band may not achieve full spatial diversity or multiplexing.
Hua, Yingbo +3 more
core
Tunable multiband microstrip antenna for 5GHz WLAN [PDF]
, 2013 Copyright @ 2013. Ali Ejaz, R. Nilavalan & Hattan Abutarboush. This is a research/review paper, distributed under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License http://creativecommons.org/licenses/by-nc/3.0 ...
Abutarboush, H, Ejaz, A, Nilavalan, R
core
Full-Duplex Systems Using Multi-Reconfigurable Antennas
, 2014 Full-duplex systems are expected to achieve 100% rate improvement over half-duplex systems if the self-interference signal can be significantly mitigated. In this paper, we propose the first full-duplex system utilizing Multi-Reconfigurable Antenna (MRA)
Ahmed, Elsayed +3 more
core +1 more source
PATCH ANTENNA WITH RECONFIGURABLE POLARIZATION
Progress In Electromagnetics Research C, 2009 A reconfigurable patch antenna consisting of a square patch with two cross-shaped diagonal slots is presented. The proposed design approach is based on the use of two pairs of switches in order to obtain both frequency and polarization reconfigurability.
MONTI, GIUSEPPINA +2 more
openaire +2 more sources
Advanced Functional Materials, EarlyView.Cephalopod‐inspired photonic microparticles with dynamic structural coloration are fabricated via confined self‐assembly of linear block copolymers into ellipsoids containing stacked lamellae. Embedded superparamagnetic nanoparticles enable rapid magnetic alignment, restoring vivid, angle‐dependent color.
Gianluca Mazzotta +8 more
wiley +1 more source
Review on Multifunctional Pattern and Polarization Reconfigurable Antennas
IEEE AccessThis paper presents a detailed review of multifunctional pattern and polarization reconfigurable antennas, highlighting their potential to enhance performance of the wireless communication systems. These adaptable antennas offer versatile functionalities,
Venkataswamy Suryapaga +1 more
doaj +1 more source
A novel reconfigurable band-notched ultra-wideband slot antenna for cognitive radio systems
Dianzi Jishu Yingyong, 2019 A novel printed ultra-wideband(UWB) slot antenna with reconfigurable band-notched characteristics for cognitive radio(CR) applications is presented. An improved rectangular monopole antenna is used as the basic model and a tangential rectangular floor is
Lv Xinmeng +3 more
doaj +1 more source
User Effects in Beam-Space MIMO
, 2013 The performance and design of the novel single-RF-chain beam-space MIMO antenna concept is evaluated for the first time in the presence of the user. First, the variations of different performance parameters are evaluated when placing a beam-space MIMO ...
Najibi, Halima +2 more
core +1 more source
Pixel reconfigurable antennas: Towards low-complexity full reconfiguration
2016 10th European Conference on Antennas and Propagation (EuCAP), 2016 The explosive growth of wireless communications has brought new requirements in terms of compactness, mobility and multi-functionality that make reconfigurable antennas excellent candidates for future wireless networks. Pixel antennas are particularly interesting due to their ability to dynamically reshape its active surface to change their properties.
Rodrigo López, Daniel +3 more
openaire +2 more sources