scholarly journals Reconfigurable Circular-Ring Feed Patch Antenna with Tri-Polarization Diversity

2021 ◽  
Vol 9 ◽  
Author(s):  
Hui Gu ◽  
Lei Ge ◽  
Jihong Zhang
Keyword(s):  
Patch Antenna ◽  
Simple Structure ◽  
Wireless Systems ◽  
Circular Ring ◽  
Polarization Diversity ◽  
Circularly Polarized ◽  
Left Hand ◽  
Low Profile ◽  
Linearly Polarized ◽  
Functional Prototype

In this paper, a reconfigurable circular-ring feed patch antenna for polarization diversity applications is proposed. The reconfigurability is realized by using only two p-i-n diodes which are inserted into the circular feed ring of the aperture-coupled patch antenna. With the help of the p-i-n diodes, the polarization of the antenna is able to be altered among 45° linearly polarized (LP), left-hand circularly polarized (LHCP), and right-hand circularly polarized (RHCP) states. A fully-functional prototype is fabricated and measured. The measurement agrees well with the simulation and three polarization states are obtained. Owing to the merits of tri-polarization diversity, low profile and simple structure, the proposed design is a great candidate for future wireless systems.

Development and Miniaturized of Circularly Polarization Diversity at Cavity Backed SIW Antenna for X-Band Application

Frequenz ◽  
2019 ◽  
Vol 73 (9-10) ◽  
pp. 317-320
Author(s):  
Saeid Karamzadeh ◽  
Vahid Rafiei ◽  
Hasan Saygin
Keyword(s):  
Schottky Diodes ◽  
Axial Ratio ◽  
Impedance Bandwidth ◽  
Polarization Diversity ◽  
Circularly Polarized ◽  
Left Hand ◽  
Low Profile ◽  
X Band ◽  
Coaxial Feed ◽  
Good Agreement

Abstract In this work circularly polarization diversity has been achieved by utilizing two Schottky diodes on low profile cavity-backed substrate integrated waveguide (CBSIW). In comparison with other studies in the literature, the size of antenna has been reduced to 0.54λg × 0.76λg by helping a 50-Ohm coaxial feed line. The impedance bandwidth, axial ratio bandwidth and antenna gain are improved to 10.02 %, 5.2 % and 7.68dBi, respectively. In addition, the proposed antenna can generate either a left-hand circularly polarized (LHCP) or a right-hand circularly polarized (RHCP) radiation. The developed antenna was fabricated and tested and the achieved results were in good agreement with the simulated one.

A low-profile wideband circularly polarized MIMO antenna with pattern and polarization diversity

2019 ◽  
Vol 12 (4) ◽  
pp. 316-322 ◽  
Author(s):  
Prashant Chaudhary ◽  
Ashwani Kumar ◽  
B. K. Kanaujia
Keyword(s):  
Impedance Matching ◽  
Axial Ratio ◽  
Polarization Diversity ◽  
Circularly Polarized ◽  
Mimo Antenna ◽  
Low Profile ◽  
X Band ◽  
Monopole Antennas ◽  
Multiple Input ◽  
Linearly Polarized

AbstractThe present work describes a unique planar low-profile wideband circularly polarized Multiple-Input and Multiple-Output (MIMO) antenna operating in the X-band, with pattern and polarization diversity over the entire axial-ratio bandwidth (ARBW). The design is unique in the sense that a simple grounded stub introduced between two linearly polarized monopole antennas has been used to realize wideband circular polarization, pattern diversity, and high isolation between antennas. The ARBW of the MIMO antenna is 2.45 GHz (8.11–10.56) 3 dB and its impedance matching bandwidth is 3.52 GHz (8.07–11.59). The isolation is better than 20 dB. The antenna can be easily adapted to operate other frequency bands by simple frequency scaling. It has been fabricated on an FR-4 substrate and its performance has been compared against several existing available antennas.

scholarly journals Dual Edge-Fed Left Hand and Right Hand Circularly Polarized Rectangular Micro-Strip Patch Antenna for Wireless Communication Applications

2020 ◽  
Vol 2 (3) ◽  
pp. 107-117
Author(s):  
Dr. V. Prakasam ◽  
Dr. P. Sandeep
Keyword(s):  
Data Transmission ◽  
Patch Antenna ◽  
Thinking Skills ◽  
Full Time ◽  
Ieee 802.11A ◽  
Circularly Polarized ◽  
Left Hand ◽  
Right Hand ◽  
Low Profile ◽  
Paper Work

Presently a days the remote correspondence framework advancement requires the ease, low profile, insignificant weight radio wire improvement which is cultivated of proceeding with incredible introduction finished a wide recurrence range. The MSPA architecture has facilitated this forward thinking skills trend. Within this paper work a 4.85 GHz circular polarization operating frequency is planned and simulated for RMSPA. The proposed antenna is capable of designing and inducing Left Hand Loop Polarization (LHCP) and Right Hand Loop Polarization (RHCP) using a cross-coupler that is directly attached to the micro-strip antenna to polarize the circular. The proposed paper work working recurrence is 4.85 GHz which is essentially utilized for satellite interchanges, full-time satellite TV organizations. This working recurrence is the IEEE 802.11a variation C band recurrence and this C band recurrence is utilized in Wi-Fi gadgets and Radio LAN. The proposed FR-4 roundabout polarization rectangular miniature strip fix radio wire is 1.6 mm thick. The proposed rectangular micro strip fix radio wire is planned and mimicked utilizing CSTMWS (Computer Simulation Technology Micro Wave Studio) programming. The full or working recurrence of proposed radio wire presents at 4.85 GHz for remote correspondences that gives S boundaries, data transmission and radiation example of Gain and directivity.

A low‐profile circularly polarized dielectric patch antenna with bandwidth expansion

2021 ◽  
Author(s):  
Jian‐Xin Chen ◽  
Xue‐Ying Wang ◽  
Ye‐Xin Huang ◽  
Ling‐Ling Yang ◽  
Shi‐Chang Tang
Keyword(s):  
Patch Antenna ◽  
Circularly Polarized ◽  
Low Profile ◽  
Bandwidth Expansion

Single-Fed Low Profile Broadband Circularly Polarized Stacked Patch Antenna

2014 ◽  
Vol 62 (10) ◽  
pp. 5406-5410 ◽  
Author(s):  
Wenwen Yang ◽  
Jianyi Zhou ◽  
Zhiqiang Yu ◽  
Linsheng Li
Keyword(s):  
Patch Antenna ◽  
Circularly Polarized ◽  
Low Profile ◽  
Stacked Patch Antenna

A New Design of Ka-Band Circularly-Polarized Antenna

2014 ◽  
Vol 631-632 ◽  
pp. 383-386
Author(s):  
Jiao Jiao Fan ◽  
Jian Li ◽  
Dan Song ◽  
Li Wu ◽  
Shu Sheng Peng
Keyword(s):  
High Frequency ◽  
Circular Waveguide ◽  
Ka Band ◽  
Circularly Polarized ◽  
Simulation And Optimization ◽  
Total Height ◽  
High Frequency Structure Simulator ◽  
Frequency Structure ◽  
Low Profile ◽  
Linearly Polarized

A new ka-band circularly-polarized antenna is presented in this paper, in which a linearly-polarized wave is conversed into a circularly-polarized wave with a circular waveguide polarizer. After simulation and optimization with HFSS (High Frequency Structure Simulator), a compact circularly-polarized antenna is designed with a total height less than 25mm. More simple and easier structure is adopted to achieve a low-profile circularly-polarized antenna.

Low-Profile Circularly Polarized Patch Antenna With Wide 3 dB Beamwidth

2019 ◽  
Vol 18 (12) ◽  
pp. 2473-2477 ◽  
Author(s):  
Mrityunjoy Kumar Ray ◽  
Kaushik Mandal ◽  
Nasimuddin Nasimuddin
Keyword(s):  
Patch Antenna ◽  
Circularly Polarized ◽  
Low Profile
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