scholarly journals AMC backed circularly polarized dual band antenna for Wi-Fi and WLAN applications

2020 ◽  
Vol 71 (5) ◽  
pp. 298-307
Author(s):  
Gande B. G. Tilak ◽  
Sarat K. Kotamraju ◽  
Boddapati T. P. Madhav ◽  
Korada C. S. Kavya ◽  
Manikonda V. Rao
Keyword(s):  
Circular Polarization ◽  
Parametric Analysis ◽  
Dual Band ◽  
Radiation Patterns ◽  
Circularly Polarized ◽  
Design And Implementation ◽  
Dual Band Antenna ◽  
Proposed Model ◽  
Overall Performance ◽  
Meander Line

Abstract In this article the design and implementation of dual band circularly polarized antenna which is backed with AMC is presented. The proposed antenna consists of a novel heart shaped concentric ringshaped patch attached to meander line. The dimension of the antenna without AMC is 0.24 λ0 × 0.140 λ0 × 0.012 λ0 × and with AMC 0.43 λ0 × 0.43 λ0 × 0.32 λ0 and designed on a commercial FR4 substrate. The antenna gets worked at dual band applications such as 2.4 GHz (wi-fi) operates from 2.3 GHz to 2.5 GHz and 5.2 GHz (WLAN) operates from 4.7 GHz to 5.9 GHz and also gets circular polarization from 2.3 GHz to 2.5 GHz (200 MHz) and 4.95 GHz to 5.40 GHz (450 MHz) is achieved. In this article the proposed model is investigated towards circular polarization, radiation patterns and current distributions by varying parametric analysis is carried to analyze overall performance of antenna with and without AMC.

Dual-band stacked circularly polarized microstrip antenna for S and C band applications

2015 ◽  
Vol 8 (8) ◽  
pp. 1215-1222 ◽  
Author(s):  
Sachin Kumar ◽  
Abhishek Sharma ◽  
Binod K. Kanaujia ◽  
Mukesh K. Khandelwal ◽  
Anil Kumar Gautam
Keyword(s):  
Circular Polarization ◽  
Microstrip Antenna ◽  
Dual Band ◽  
Impedance Bandwidth ◽  
Radiation Characteristics ◽  
Antenna Structure ◽  
Circularly Polarized ◽  
Patch Structure ◽  
Dual Band Antenna ◽  
Good Agreement

A single-fed circularly polarized microstrip antenna is proposed where the antenna structure exhibits truncated corners in the radiating square patch. The truncated corners square patch structure is loaded with a circular slot and is resonating at 2.25 GHz with circular polarization. Furthermore, the proposed antenna is stacked using an upper circular patch thus achieving a dual-band circularly polarized pattern. The dual-band antenna resonates at 2.25 GHz in the first band and with impedance bandwidth ranging from 4.4 to 5.5 GHz in the second band. The size of the proposed stacked structure is compact compared with the conventional circularly polarized stacked antenna designs. Proposed structures are fabricated and fed using Subminiature version A (SMA) connector. The measured results are in good agreement with the simulated. The antenna shows stable radiation characteristics for the entire band of operation.

A Broadband Circularly Polarized Cross-slotted Patch Antenna with Horizontal Meandered Strip (HMS)

Frequenz ◽  
2020 ◽  
Vol 74 (5-6) ◽  
pp. 191-199
Author(s):  
M. K. Verma ◽  
Binod K. Kanaujia ◽  
J. P. Saini ◽  
Padam S. Saini
Keyword(s):  
Circular Polarization ◽  
Patch Antenna ◽  
Impedance Matching ◽  
Axial Ratio ◽  
Impedance Bandwidth ◽  
Radiation Patterns ◽  
Circularly Polarized ◽  
Feeding Technique

AbstractA broadband circularly polarized slotted square patch antenna with horizontal meandered strip (HMS) is presented and studied. The HMS feeding technique provides the good impedance matching and broadside symmetrical radiation patterns. A set of cross asymmetrical slots are etched on the radiating patch to realize the circular polarization. An electrically small stub is added on the edge of the antenna for further improvement in performance. Measured 10-dB impedance bandwidth (IBW) and 3-dB axial ratio bandwidth (ARBW) of the proposed antenna are 32.31 % (3.14–4.35 GHz) and 20.91 % (3.34–4.12 GHz), respectively. The gain of the antenna is varied from 3.5 to 4.86dBi within 3-dB ARBW. Measured results matched well with the simulated results.

scholarly journals DESIGN AND IMPLEMENTATION OF DUAL-BAND CIRCULARLY POLARIZED ANTENNAS USING STACKED PATCHES

2017 ◽  
Vol 10 (4) ◽  
pp. 87-100
Author(s):  
S Sankaranarayanan ◽  
M Anto Bennet ◽  
B. Deepa ◽  
A. Banu ◽  
S. Gayathri
Keyword(s):  
Dual Band ◽  
Circularly Polarized ◽  
Design And Implementation

Reconfigurable circularly polarized capacitive coupled microstrip antenna

2016 ◽  
Vol 9 (4) ◽  
pp. 843-850 ◽  
Author(s):  
Dinesh Kumar Singh ◽  
Binod Kumar Kanaujia ◽  
Santanu Dwari ◽  
Ganga Prasad Pandey ◽  
Sandeep Kumar
Keyword(s):  
Circular Polarization ◽  
Microstrip Antenna ◽  
Axial Ratio ◽  
Dual Band ◽  
Single Frequency ◽  
Impedance Bandwidth ◽  
Pin Diode ◽  
Dual Frequency ◽  
Pin Diodes ◽  
Circularly Polarized

The design and measurement of reconfigurable circularly polarized capacitive fed microstrip antenna are presented. Small isosceles right angle triangular sections are removed from diagonally opposite corners for the generation of circular polarization (CP) of axial ratio bandwidth of 11.1%. Horizontal slits of different lengths are inserted at the edges of the truncated patch to provide the dual-band CP and by switching PIN diodes across the slits ON and OFF, reconfigurable circularly polarized antenna is realized. The antenna shows dual-band behavior with reconfigurable CP. In order to enhance the operation bandwidth of the antenna, an inclined slot was embedded on the patch along with PIN diodes across the horizontal slits. This proposed antenna gave an impedance bandwidth of 66.61% (ON state) ranging from 4.42 to 8.80 GHz and 68.42% (OFF state) ranging from 4.12 to 8.91 GHz and exhibits dual-frequency CP with PIN diode in OFF state and single-frequency CP with PIN diode in ON state with good axial ratio bandwidth. The axial ratio bandwidth of 4.42, 2.35, and 2.72% is obtained from the antenna. The antenna has a similar radiation pattern in all the three different CP bands and almost constant gain within the bands of CP operation.

scholarly journals A Dual-band Circularly-polarized Printed Monopole Antenna for Wi-Fi and WiMAX Applications

2019 ◽  
Vol 4 (2019) ◽  
pp. 50-54
Author(s):  
Zaw Myo Lwin ◽  
Thae Su Aye
Keyword(s):  
Circular Polarization ◽  
Ground Plane ◽  
Axial Ratio ◽  
Monopole Antenna ◽  
Dual Band ◽  
Circularly Polarized ◽  
Printed Monopole Antenna ◽  
Printed Monopole ◽  
Simulation Results ◽  
Microstrip Feed

This paper presents a rectangular-shaped printed monopole antenna with circular polarization for Wi-Fi (2.4–2.484 GHz) and WiMAX (3.3-3.7 GHz) bands. The antenna relies on asymmetric arrangement of the patch with respect to the microstrip feed, in order to generate circular polarization. Dual-band (Wi-Fi and WiMAX) operation is enabled by inserting a slit in the corner of the ground plane. Simulation results show a bandwidth increase of 15.9% (2.2–2.58 GHz) for Wi-Fi, and of 24.16% (3.13–3.99 GHz) for WiMAX applications. Furthermore, beamwidths at the axial ratio of 3 dB equal 48˚ and 51˚ for the x-z plane and y-z planes, respectively.

scholarly journals Dual- Band Antenna for Wi-Fi and 5G Applications

2019 ◽  
Vol 9 (1S5) ◽  
pp. 130-131
Keyword(s):  
Circular Polarization ◽  
Linear Polarization ◽  
Patch Antenna ◽  
Return Loss ◽  
Axial Ratio ◽  
Band Width ◽  
Dual Band ◽  
Circular Patch ◽  
Dual Band Antenna ◽  
Circular Patch Antenna

In this communication, a circular patch antenna is reported for dual- band operation based on VIAs. Initially the patch is resonating at single band with Linear Polarization (LP), and the Circular Polarization (CP) is obtained by inserting semi circular cuts at the edges of circular patch. The second band is achieved by loading the vertical metallic VIAs along the circumference of the patch antenna. The reported antenna is working at 2.4 GHz (Wi-Fi) and 3.5 GHz (5G) bands with Return Loss Band Width (RLBW) of 4.83% and 10.37% respectively. The Axial Ratio (AR) bandwidth at 5G band is 2.38% (3.31- 3.39 GHz)

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