Gain enhancement in MIMO antennas using defected ground structure

NL Nguyen - Progress In Electromagnetics Research M, 2019 - jpier.org
This paper investigates a low-profile Multiple Input Multiple Output (MIMO) antenna with
enhanced gain based on Defected Ground Structure (DGS). The proposed antenna consists …

Defected ground structures for microwave applications

MDS Bhuiyan, NC Karmakar - Wiley Encyclopedia of Electrical …, 1999 - Wiley Online Library
Improved performances, compact size, and lower cost are the key driving factors for
advancement of modern communication systems. To meet these stringent requirements …

Substrate fields modulation with defected ground structure: a key to realize high gain, wideband microstrip antenna with improved polarization purity in principal and …

S Chakraborty, S Chattopadhyay - International Journal of RF …, 2016 - Wiley Online Library
Rectangular microstrip patch antenna with circular headed dumbbell shaped defect in
ground plane has been studied experimentally for concurrent improvement in its gain …

Study of compact microstrip lowpass filter with improved performance using defected ground structure

B Sahu, S Singh, MK Meshram… - International Journal of …, 2018 - Wiley Online Library
A compact lowpass filter (LPF) with wide stopband which uses four non‐uniform cascaded
defected ground structure (DGS) units along with a 50 Ω microstrip line is reported in this …

Design and analysis of a low‐pass filter utilizing a slotted‐ground‐plane resonator

CJ Wang, LJ Hsu - Microwave and Optical Technology Letters, 2018 - Wiley Online Library
In this article, the frequency‐response analysis of an H‐shaped slot resonator etched in the
ground plane is shown by using transmission‐line analysis and even‐and‐odd mode …

Planar electromagnetic bandgap structures

NC Karmakar, MN Mollah, SK Padhi… - … Journal of RF and …, 2006 - Wiley Online Library
This article presents various novel and conventional planar electromagnetic bandgap (EBG)‐
assisted transmission lines. Both microstrip lines and coplanar waveguides (CPWs) are …

Approximate synthesis formulas for microstrip line with aperture in ground plane

D Packiaraj, KJ Vinoy… - International Journal of RF …, 2012 - Wiley Online Library
Approximate closed‐form expressions for the propagation characteristics of a microstrip line
with a symmetrical aperture in its ground plane are reported in this article. Well‐known …

Development of phased array antenna by controlling the filling factor of periodic structure

MN Mollah, NC Karmakar, JS Fu - International Journal of RF …, 2007 - Wiley Online Library
A phased array antenna is realized by utilizing the variation of filling factor (FF) of
electromagnetic bandgap (EBG) structures. The variation takes place under the feed line of …

Novel technique of developing microstrip low pass filter (LPF)

N Mollah, F Hossain, JS Fu… - 2007 6th International …, 2007 - ieeexplore.ieee.org
The novel technique of developing a microstrip LPF is presented in this paper. The ground
plane of a standard 50-ohm transmission line is perturbed by electromagnetic bandgap …

Design of the novel defected ground structure assisted microstrip low pass filter

GM Rafiquzzaman, AT Sadi… - … Conference on Electrical …, 2015 - ieeexplore.ieee.org
A microstrip transmission line on the Chebyshev distributed defected ground structures
(DGSs) and hybrid DGSs realized by interleaving conventional photonic bandgap structures …