Multi-port network modeling of stub loaded Microstrip ring antenna for dual-band operations

2012 ◽  
Author(s):  
Subhrakanta Behera ◽  
K. J. Vinoy
Keyword(s):  
Network Modeling ◽  
Dual Band ◽  
Ring Antenna ◽  
Microstrip Ring

Single-feed circularly polarized microstrip ring antenna and arrays

2000 ◽  
Vol 48 (7) ◽  
pp. 1040-1047 ◽  
Author(s):  
R.R. Ramirez ◽  
F. De Flaviis ◽  
N.G. Alexopoules
Keyword(s):  
Circularly Polarized ◽  
Ring Antenna ◽  
Microstrip Ring

scholarly journals Dual-Band Reconfigurable Antenna for Polarization Diversity

2018 ◽  
Vol 2018 ◽  
pp. 1-7 ◽  
Author(s):  
Youngje Sung
Keyword(s):  
Ring Resonator ◽  
Dual Band ◽  
Reconfigurable Antenna ◽  
Pin Diode ◽  
Polarization Diversity ◽  
Pin Diodes ◽  
Resonant Frequencies ◽  
Polarized Waves ◽  
Ring Antenna ◽  
Left And Right

This paper proposes a dual-band reconfigurable square-ring antenna with a polarization diversity property. The proposed antenna consists of a square-ring resonator, two stubs with a shorting via, and two PIN diodes. The stub is positioned symmetrically to the left and right of the square-ring resonator, and the square-ring antenna connected to one of two stubs has a dual-band resonance. In this case, both resonant frequencies exhibit linear polarization (LP), and the two polarized waves are perpendicular to each other. The PIN diode selectively connects only one of the two stubs to the square-ring resonator. Thus, the polarization of the proposed antenna changes electrically at the two resonant frequencies. In addition, the frequency ratio (f2/f1) can be easily controlled by changing the length or width of the stub.

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