A pattern reconfigurable U-slot antenna and its applications in MIMO systems

PY Qin, YJ Guo, AR Weily… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
A new compact pattern reconfigurable U-slot antenna is presented. The antenna consists of
a U-slot patch and eight shorting posts. Each edge of the square patch is connected to two …

A beam-steering reconfigurable antenna for WLAN applications

Z Li, E Ahmed, AM Eltawil… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
A multifunctional reconfigurable antenna (MRA) capable of operating in nine modes
corresponding to nine steerable beam directions in the semisphere space …

Frequency-reconfigurable Archimedean spiral antenna

FD Dahalan, SKA Rahim, MR Hamid… - IEEE antennas and …, 2013 - ieeexplore.ieee.org
In this letter, a frequency-reconfigurable Archimedean spiral antenna is presented. The
proposed antenna consists of a two-arm spiral fed by a coplanar waveguide (CPW) feeding …

Reconfigurable MIMO antennas for cognitive radios

R Hussain, MS Sharawi - Spectrum access and management for cognitive …, 2017 - Springer
The concept of cognitive radio (CR) is a new paradigm that autonomously discover the
demographics of radio spectrum to get information about its utilization and determine the …

[PDF][PDF] Investigations and Performance of a Cavity backed Novel modified Balun free Archimedean Spiral Antenna and Planar Array Implementation

B Shanmugam - 2012 - digitalcollections.sdsu.edu
1.1 BACKGROUND Spiral antennas belong to a class of aperture antennas called the
frequency independent antennas. They are inherently broadband circularly polarized …

Failure detection and correction in switch reconfigurable antenna arrays

MJ Rivera, J Costantine, Y Tawk… - … on Antennas and …, 2011 - ieeexplore.ieee.org
This paper discusses switch failures in reconfigurable antenna arrays. We present a new
methodology for the detection of individual switch failures in any array type and propose a …

A beam-steering dual-polarization reconfigurable antenna

X Zhang, F Yang, P Yang - 2016 Progress in Electromagnetic …, 2016 - ieeexplore.ieee.org
With the current state of affairs in the development of antennas in the wireless
communication field, the need of compact multiband, multifunctional and cost effective …

[PDF][PDF] Reconfigurable antennas for wireless network security

P Mookiah - 2011 - Citeseer
A pattern reconfigurable antenna array design is presented in this chapter [21]. The antenna
design consists of a spiral antenna whose arm length is varied using a PIN diode switch to …

Detection of failures in switch reconfigurable antenna arrays using embedded sensing lines

MJ Rivera, J Costantine, Y Tawk… - Proceedings of the …, 2012 - ieeexplore.ieee.org
In this paper we discuss the detection of switch failures in reconfigurable antenna arrays.
Changes in the antenna array's electromagnetic behavior due to a switch failure are …

[图书][B] A characteristic mode perturbation approach for antenna loading design

MW Young - 2015 - search.proquest.com
Reactive loading is commonly applied to antennas to modify input impedance and radiation
pattern properties. However, reactive loading design approaches based on experience …