Experimental studies of circularly polarized printed square spiral slot antennas

2002 ◽  
Author(s):  
Jian-Yi Wu ◽  
Jeen-Sheen Row ◽  
Kin-Lu Wong
Keyword(s):  
Experimental Studies ◽  
Slot Antennas ◽  
Circularly Polarized

Circularly Polarized Right Angle Slot Antennas for WLAN of IEEE 802.11b/g

2008 ◽  
Author(s):  
A. Pomsathit ◽  
C. Benjangkaprasert ◽  
N. Anantrasirichai ◽  
V. Chutchavong ◽  
T. Wakabayashi
Keyword(s):  
Ieee 802.11B ◽  
Slot Antennas ◽  
Circularly Polarized

Dual circularly polarized radial line slot antennas

1995 ◽  
Vol 43 (8) ◽  
pp. 874-876 ◽  
Author(s):  
M. Takahashi ◽  
M. Ando ◽  
N. Goto ◽  
Y. Numano ◽  
M. Suzuki ◽  
...  
Keyword(s):  
Radial Line ◽  
Slot Antennas ◽  
Circularly Polarized

scholarly journals Design Method for Wideband Circularly Polarized Slot Antennas

2015 ◽  
Vol 63 (10) ◽  
pp. 4271-4279 ◽  
Author(s):  
Adam Narbudowicz ◽  
Matthias John ◽  
Vit Sipal ◽  
Xiulong Bao ◽  
Max J. Ammann
Keyword(s):  
Design Method ◽  
Slot Antennas ◽  
Circularly Polarized

scholarly journals CIRCULARLY POLARIZED ARRAYS OF CAVITY BACKED SLOT ANTENNAS FOR X-BAND SATELLITE COMMUNICATIONS

2008 ◽  
Vol 9 ◽  
pp. 179-198 ◽  
Author(s):  
Eman M. A. Eldesouki ◽  
Khalid Fawzi Ahmed Hussein ◽  
Adel M. El-Nadi
Keyword(s):  
Satellite Communications ◽  
Slot Antennas ◽  
Circularly Polarized ◽  
X Band

Investigations on the Microstripline-Fed Wide-Slot Antennas for Wideband Applications

2019 ◽  
pp. 56-102
Author(s):  
Krishnendu Chattopadhyay ◽  
Sekhar Ranjan Bhadra Chaudhuri
Keyword(s):  
Experimental Studies ◽  
Microstrip Antennas ◽  
Magnetic Surface ◽  
Slot Antenna ◽  
Impedance Bandwidth ◽  
Dual Frequency ◽  
Slot Antennas ◽  
Available Bandwidth ◽  
Bandwidth Enhancement ◽  
Radiation Properties

Microstrip patch antennas are printed antennas that find suitability because they are lightweight, low volume, thin in profile, dual frequency, and dual polarization operation, and compatible with MMIC. The objective of chapter is to exhibit the investigations on the bandwidth enhancement of microstrip antennas with special reference to microstrip-line-fed wide-slot antennas. Performances are realized and validated through experimental studies on the impedance properties by VNA and radiation properties by pattern measurement setup. An innovative method for the design of hexagonal wide-slot antenna has been proposed considering it as an equivalent magnetic surface of monopole antenna. Impedance bandwidth of the above slot antenna is enhanced through various tuning stubs. In case of forklike tuning stub, the obtained bandwidth is about 900MHz, for hexagonal stub the available bandwidth is 1751MHz. Further improvement in bandwidth is proposed through rotation of hexagonal wide slot, results in wide bandwidth of 5165 MHz covering all the WLAN and WiMAX applications.

Circular polarization realization in array antennas by a modified sequential phase feeding mechanism of linearly polarized elements

2019 ◽  
Vol 11 (7) ◽  
pp. 729-738
Author(s):  
A. Haghshenas ◽  
CH. Ghobadi ◽  
J. Nourinia ◽  
M. Majidzadeh ◽  
S. Mohammadi-Asl
Keyword(s):  
Ground Plane ◽  
Slot Antennas ◽  
Circularly Polarized ◽  
Array Antennas ◽  
Four Corners ◽  
Linearly Polarized ◽  
Feed Network ◽  
Array Structures ◽  
And Performance ◽  
Sequential Phase

AbstractNovel designs of a circularly polarized 2 × 2 and 4 × 4 slot array antennas (CPSAAs) are proposed. Sequential phase feed network composed of a section of 270° and four strips is utilized to feed the array structures. Array elements are simple linearly polarized wide slot antennas (WSAs) composed of simple radiating patches with truncation on four corners and slotted ground plane on substrate backside. Each WSA operates over the UWB frequency band of 3.1–10.6 GHz. When the WSAs are arranged in the form of 2 × 2 and 4 × 4 CPSAAs, frequency bands of 3–13.1 and 1.4–12.3 GHz are covered, respectively. More importantly, CP is generated at 4.5–8 and 4.6–8.8 GHz for 2 × 2 and 4 × 4 CPSAAs, respectively. This is while; the WSAs are linearly polarized elements. Higher gain values and wider bandwidths are obtained with respect to single WSA. Design process and performance analysis of the single and array antennas are discussed through the paper.

Sign in / Sign up

Export Citation Format

Share Document