scholarly journals Linear Polarized Non Uniform Shaped Patch Antenna

2016 ◽  
Vol 4 (1) ◽  
Author(s):  
Adnan Affandi ◽  
Navin Kasim ◽  
Talal Hamdan Hamad Althebiani
Keyword(s):  
Transmission Line ◽  
Patch Antenna ◽  
Enhancement Factor ◽  
Design System ◽  
Patch Antennas ◽  
General Requirement ◽  
Microstrip Transmission Line ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Advanced Design System

<div><p><em>In this paper a Non Uniform shaped patch antenna has been designed, simulated and optimized. Microstrip patch antennas with linear based on general requirement network have been investigated. All of the singles and arrays patch antennas are implemented in microstrip transmission line. Single patch non uniform antenna has also been investigated with enhancement factor i.e parasitic elements to investigate the parameter changes. All the designs are simulated and analyzed using Advanced Design System (ADS) software.</em></p></div>

scholarly journals Performance Comparison of Swastika and Rectangular Shaped Microstrip Patch Antenna

2018 ◽  
Vol 1 (1) ◽  
pp. 11-14
Author(s):  
Suroj Burlakoti ◽  
Prakash Rai
Keyword(s):  
Radiation Pattern ◽  
Patch Antenna ◽  
Return Loss ◽  
Ground Plane ◽  
Performance Comparison ◽  
Microstrip Patch Antenna ◽  
Simulation Software ◽  
Patch Antennas ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch

In this paper, Microstrip patch antennas with rectangular and swastika shape of patch are designed and its performance parameters are compared with each other. Rectangular and Swastika shaped patch are considered in this paper with common rectangular ground plane. The antenna is simulated at 2.4 GHz using HFSS simulation software. This work mainly includes modification of antenna patch to improve the antenna parameters. The parameters of antenna such as Return loss, VSWR Bandwidth and radiation pattern are compared using simulation. The performance of Swastika shaped antenna was found to be better than rectangular shaped microstrip patch antenna with improved Return Loss, VSWR, Bandwidth and Radiation Pattern.

Gain enhancement of microstrip patch antenna using Sierpinski fractal-shaped EBG

2015 ◽  
Vol 8 (6) ◽  
pp. 915-919 ◽  
Author(s):  
Neeraj Rao ◽  
Dinesh Kumar Vishwakarma
Keyword(s):  
Patch Antenna ◽  
High Frequency ◽  
Microstrip Patch Antenna ◽  
Patch Antennas ◽  
Electromagnetic Band Gap ◽  
Gain Enhancement ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Rectangular Patch ◽  
Frequency Components

This is the first report on novel mushroom-type electromagnetic band gap (EBG) structures, consisting of fractal periodic elements, used for enhancing the gain of microstrip patch antennas. Using CST Microwave studio the performance of rectangular patch antenna has been examined on proposed fractal EBG substrates. It is found that fractal EBGs are more effective in suppressing surface wave thus resulting in higher gain. The gain of rectangular patch has been improved from 6.88 to 10.67 dBi. The proposed fractal EBG will open new avenues for the design and development of variety of high-frequency components and devices with enhanced performance.

Multidirectional Circular Microstrip Patch Antenna Strain Sensor

2011 ◽  
Author(s):  
Ali Daliri ◽  
Chun H. Wang ◽  
Sabu John ◽  
Amir Galehdar ◽  
Wayne S. T. Rowe ◽  
...  
Keyword(s):  
Patch Antenna ◽  
Strain Sensor ◽  
Microstrip Patch Antenna ◽  
Strain Sensors ◽  
Current Sensor ◽  
Patch Antennas ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Antenna Performance ◽  
Software Packages

In this paper, a new design for microstrip patch antenna strain sensors is proposed. The new antenna sensor works based on the meandered microstrip patch antennas. It is threefold more sensitive than previously proposed circular microstrip patch antenna strain sensors. Also, the overall physical dimension of the new antenna sensor is reduced by the factor of five. The current sensor is able to detect strain in all directions. In order to design the antenna sensor, two available commercial FEM software packages ANSYS™ and HFSS™ are used. Both experimental and FEM results corroborate the multidirectional feature of the new antenna sensor. Also, the effect of the hole size in the structure (for coaxial connection to the antenna) on the antenna performance has been studied. Based on the results obtained, the antenna sensor can be recommended for use in structural health monitoring for strain-based damage detection in aerospace structures.

scholarly journals A Theoretical Survey on Patch Antenna for Wideband Communication

2020 ◽  
Vol 3 (11) ◽  
pp. 69-73
Author(s):  
Kali Krishna Giri ◽  
Raj Kumar Singh ◽  
Kumari Mamata ◽  
Ajeet Kumar Shrivastava
Keyword(s):  
Communication System ◽  
Patch Antenna ◽  
Low Cost ◽  
Microwave Frequency ◽  
Microstrip Patch Antenna ◽  
Patch Antennas ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Wide Range ◽  
Low Efficiency

Modern communication system is based on wideband communication. A wideband antenna is designed in such a way that it will receive a wide range of frequencies. Microwave frequency spectrum is classified as ranging from 1GHz to 100GHz and this range is divided into a number of frequency bands. These bands are defined as L Band, S Band, C Band, X Band etc. To fulfil the demands of many users patch antenna is designed in these bands. Among different types of antenna, Microstrip Patch Antenna is most popular in wireless communication system. Microstrip patch Antennas have many advantages over other familiar antennas because microstrip patch antennas are of low profile, low cost, low volume, light weight. Low efficiency, low gain and narrow bandwidth of patch antenna create major challenge to a designer. Slots are created on patch for preparing antenna forwideband applications. In this paper, we have surveyed upon various types of Microstrip Patch Antenna, feeding techniques, design equation Substrate Characteristics, Simulation tools etc.

Microstrip Patch Antenna

2020 ◽  
pp. 178-193
Author(s):  
Kim Huat Yeap
Keyword(s):  
Wireless Communication ◽  
Transmission Line ◽  
Radiation Pattern ◽  
Patch Antenna ◽  
Microstrip Patch Antenna ◽  
Patch Antennas ◽  
Dual Frequency ◽  
Transmission Line Model ◽  
Communication Industry ◽  
Microstrip Patch

This chapter elaborates in detail on the microstrip patch antenna, which is widely utilized in the receivers of radio telescopes, as well as in the wireless communication industry today. Several models have been developed to analyze and design the patch antennas. The three most common ones are the transmission line model, the cavity model, and the Method of Moments model. Apart from this, the important parameters used in characterizing the patch antenna are also covered, which are its gain, efficiency, directivity, radiation pattern, return loss, bandwidth, and polarization. This is followed by the introduction of the radiation regions, which are basically classified as the Fresnel region and the Fraunhofer region. Finally, the dual-frequency microstrip patch antenna is introduced. Three popular approaches adopted for the design are orthogonal-mode polarization, multi-layer patching, and reactive loading.

scholarly journals Miniaturized Microstrip Patch Antenna for Microwave Imaging Application

2019 ◽  
Vol 9 (1S) ◽  
pp. 214-217
Keyword(s):  
Patch Antenna ◽  
Federal Communication Commission ◽  
Wide Band ◽  
Microstrip Patch Antenna ◽  
Microwave Imaging ◽  
Patch Antennas ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Rectangular Patch ◽  
Imaging Application

This paper present the brief view to design of a microstrip rectangular patch antenna. Microstrip patch antennas are used because of configuration such as low profile, conformal, light weight, and easy fabrication. The linear polarization and circularly polarization of microstrip patch antennas have attracted more attention recently. These antennas are significant due to their ability to improve the benefits of microwave imaging application. The Federal Communication Commission (FCC) has approved the frequency limit for narrowband and wideband antenna. One of the advantage of the narrow band technology is the design of feasible compact conformal antennas. Therefore a compact miniaturized microstrip rectangular patch antenna has been proposed to design for microwave imaging application. The miniaturization of microstrip patch antenna has been done to obtain the better narrow bandwidth, return loss and Voltage Standing Wave Ratio (VSWR). Ultra Wide Band (UWB) is achieved by using certain techniques which is used for expansion of bandwidth. The rectangular patch antenna with a 50Ωmicrostrip feed is fabricated on the FR4 substrate.

scholarly journals Microstrip Patch Antenna Design for Early Breast Cancer Detection

2020 ◽  
Vol 8 (6) ◽  
pp. 2698-2705
Keyword(s):  
Breast Cancer ◽  
Early Detection ◽  
Cancer Detection ◽  
Patch Antenna ◽  
Microstrip Patch Antenna ◽  
Breast Cancer Detection ◽  
Antenna Design ◽  
Patch Antennas ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch

Breast cancer is one of the leading causes of death among women all over the world. It is the abnormal growth of breast tissues in multistage process. As the stage increases, the chances of treatment and probability of survival of patient decreases. Hence, early detection and diagnosis of breast cancer is must. Microwave imaging technique for early detection of breast cancer is a promising technique to detect tumor and it also have several advantages over other existing techniques for breast cancer detection, such as Breast Self-Examination (BSE), Clinical Breast Examination (CBE), Breast Ultrasound, Computerized Tomography (CT), Magnetic Resonance Imaging (MRI), Positron Emission Tomography (PET), Mammography and other breast screening methods. One of them is non-ionizing radiations. Other advantages include portability, inexpensive system and safe for human body. Microwave imaging employs microstrip patch antenna as its integral part, for transmitting and receiving microwaves. Microstrip patch antenna as name suggests is a low weight, smaller size antenna. Depending upon substrate material, microstrip patch antennas can be categorized as flexible and non-flexible antennas. Flexible microstrip patch antennas, mostly consisting of textile materials are becoming the preferred choice for most of the researchers. This paper presents recent trends in microstrip patch antenna design for early breast cancer detection and a comparison among them in terms of substrate, feeding techniques, Specific Absorption Rate (SAR), E and H field, Return Loss, Voltage Standing Wave Ratio (VSWR) and some other parameters.

scholarly journals Understanding and optimizing microstrip patch antenna cross polarization radiation on element level for demanding phased array antennas in weather radar applications

2015 ◽  
Vol 13 ◽  
pp. 251-268 ◽  
Author(s):  
D. Vollbracht
Keyword(s):  
Patch Antenna ◽  
Phased Array ◽  
Microstrip Patch Antenna ◽  
Main Beam ◽  
Patch Antennas ◽  
Cross Polarization ◽  
Phased Array Antennas ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch ◽  
Array Antennas

Abstract. The antenna cross polarization suppression (CPS) is of significant importance for the accurate calculation of polarimetric weather radar moments. State-of-the-art reflector antennas fulfill these requirements, but phased array antennas are changing their CPS during the main beam shift, off-broadside direction. Since the cross polarization (x-pol) of the array pattern is affected by the x-pol element factor, the single antenna element should be designed for maximum CPS, not only at broadside, but also for the complete angular electronic scan (e-scan) range of the phased array antenna main beam positions. Different methods for reducing the x-pol radiation from microstrip patch antenna elements, available from literature sources, are discussed and summarized. The potential x-pol sources from probe fed microstrip patch antennas are investigated. Due to the lack of literature references, circular and square shaped X-Band radiators are compared in their x-pol performance and the microstrip patch antenna size variation was analyzed for improved x-pol pattern. Furthermore, the most promising technique for the reduction of x-pol radiation, namely "differential feeding with two RF signals 180° out of phase", is compared to single fed patch antennas and thoroughly investigated for phased array applications with simulation results from CST MICROWAVE STUDIO (CST MWS). A new explanation for the excellent port isolation of dual linear polarized and differential fed patch antennas is given graphically. The antenna radiation pattern from single fed and differential fed microstrip patch antennas are analyzed and the shapes of the x-pol patterns are discussed with the well-known cavity model. Moreover, two new visual based electromagnetic approaches for the explanation of the x-pol generation will be given: the field line approach and the surface current distribution approach provide new insight in understanding the generation of x-pol component in microstrip patch antenna radiation patterns.

scholarly journals A Machine Learning-Based Approach for Antenna Design Using Class_Reg Algorithm Optimized Using Genetic Algorithm

2021 ◽  
Vol 9 (11) ◽  
pp. 1682-1686
Author(s):  
Suriya Prakash Jambunathan
Keyword(s):  
Machine Learning ◽  
Genetic Algorithm ◽  
Patch Antenna ◽  
Ring Resonator ◽  
Split Ring Resonator ◽  
Simulation Software ◽  
Patch Antennas ◽  
Split Ring ◽  
Microstrip Patch Antennas ◽  
Microstrip Patch

Abstract: Microstrip patch antennas are predominantly in use in mobile communication and healthcare. Their performances are even improved, using Split-Ring Resonator cells. But finding the ideal dimensions of the microstrip patch antenna and calculating the correct number and size of the split ring resonator cells consume a lot of time when we use Electromagnetic Simulation software to design first and then simulate. Using the pre-calculated results of certain sets of microstrip patch antennas with split ring resonators, a machine learning model can be trained and hence be used to predict the antenna metrics when the dimensions are specified. When the machine learning algorithms are combined with feature-optimization algorithms such as the Genetic Algorithm, the efficiency and performance can be improved further. Keywords: Machine Learning, Micro-strip Patch Antenna, Genetic algorithm, Split Ring Resonator.

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