scholarly journals Radiation Pattern of a Microstrip Antenna on a Trapezoidal Substrate

2022 ◽  
Vol 16 ◽  
pp. 537-542
Author(s):  
Suchana Mishra ◽  
Rabindra Kishore Mishra ◽  
Srikanta Patnaik
Keyword(s):  
Radiation Pattern ◽  
Microstrip Antenna ◽  
Cross Product ◽  
Rectangular Microstrip Antenna

This paper deals with a rectangular microstrip antenna on a trapezoidal substrate. It finds radiation pattern of the antenna using the concept of fractional cross product. Results show that as the fraction goes from 1 to 0.1, the direction of null in the H-plane moves from end fire towards broad side. Also, a back-lobe starts to appear in the H-plane.

scholarly journals Design of Compact Tri-Band Fractal Antenna for RFID Readers

2017 ◽  
Vol 7 (4) ◽  
pp. 2036 ◽  
Author(s):  
Mohamed Ihamji ◽  
Elhassane Abdelmounim ◽  
Hamid Bennis ◽  
Mostafa Hefnawi ◽  
Mohamed Latrach
Keyword(s):  
Radio Frequency ◽  
Radiation Pattern ◽  
Radio Frequency Identification ◽  
Input Impedance ◽  
Microstrip Antenna ◽  
Ground Plane ◽  
Physical Parameters ◽  
Fractal Antenna ◽  
Frequency Identification ◽  
Rectangular Microstrip Antenna

In this paper, a multiband and miniature rectangular microstrip antenna is designed and analyzed for Radio Frequency Identification (RFID) reader applications. The miniaturization is achieved using fractal technique and the physical parameters of the structure as well as its ground plane are optimized using CST Microwave Studio. The total area of the final structure is 71.6 x 94 mm<sup>2</sup>. The results show that the proposed antenna has good matching input impedance with a stable radiation pattern at 915 MHz, 2.45 GHz, and 5.8 GHz.

scholarly journals Modified Dual-Band Stacked Circularly Polarized Microstrip Antenna

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Guo Liu ◽  
Liang Xu ◽  
Yi Wang
Keyword(s):  
Radiation Pattern ◽  
Global Positioning System ◽  
Microstrip Antenna ◽  
High Performance ◽  
Axial Ratio ◽  
Dual Band ◽  
Optimized Design ◽  
Positioning System ◽  
Circularly Polarized ◽  
Global Positioning

A novel high-performance circularly polarized (CP) antenna is proposed in this paper. Two separate antennas featuring the global positioning system (GPS) dual-band operation (1.575 GHz and 1.227 GHz for L1 band and L2 band, resp.) are integrated with good isolation. To enhance the gain at low angle, a new structure of patch and two parasitic metal elements are introduced. With the optimized design, good axial ratio and near-hemispherical radiation pattern are obtained.

Improved analysis method for broadband rectangular microstrip antenna geometry using E-plane gap coupling

1993 ◽  
Vol 29 (22) ◽  
pp. 1907 ◽  
Author(s):  
Y.K. Cho ◽  
G.H. Son ◽  
G.S. Chae ◽  
L.H. Yun ◽  
J.P. Hong
Keyword(s):  
Microstrip Antenna ◽  
Analysis Method ◽  
Rectangular Microstrip Antenna ◽  
Gap Coupling
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