In this paper design and analysis of annular or circular ring type microstrip patch antenna and the basic terms related to design aspects and study of proposed antenna is presented. Like many available variations of microstrip patch geometries annular or circular ring widely used due to its broadband nature when operated in 〖TM〗_12 mode and has smaller circular counterparts when it is operated in its fundamental mode〖 TM〗_11. In this article theoretical and mathematical analysis related to annular ring patch antenna with design is presented and briefly explained. The designed antenna operates at 2.4 GHz resonant frequency so can be used in ISM (Industrial, Scientific and Medical) band wireless applications. The proposed antenna shows good return loss, VSWR as depicted in the graphs.
Table of Contents
1. INTRODUCTION
2. ANTENNA DESIGN AND SIMULATION RESULTS
3. CONCLUSION
Research Objectives and Themes
This paper aims to present the design and mathematical analysis of an annular ring microstrip patch antenna optimized for wireless communication within the 2.4 GHz ISM band, focusing on its compact size and performance metrics.
- Mathematical modeling of annular ring microstrip patch antennas
- Optimization of resonant frequency for the 2.4 GHz ISM band
- Simulation and evaluation of return loss (S11) and VSWR performance
- Analysis of antenna radiation characteristics and field distribution
- Design considerations for compact, low-profile communication equipment
Excerpt from the Book
1. INTRODUCTION
Microstrip patch antenna (MSA) consists of metallic or conducting strip on dielectric substrate covered by ground plane on other side and patch radiates fringing fields around its edges [1]. For miniaturization of communication equipment compact microstrip patch antennas (MSAs) have been much attracted due to its light weight and light volume and better performance. However, microstrip patch antennas have limitation of narrow bandwidth which limits its application in practice [2] but there are so many techniques available to improve the performance of patch antennas. The geometries of patch antenna like rectangular, circular disk, triangular etc. are available and their variation such as rectangular ring, semi circular disk, annular ring are used for some wireless and communication applications. Also as an alternative to regular or standard rectangular and circular patch antenna rectangular ring and circular ring or annular ring patch antenna are widely used because of their broadband nature and these configuration are smaller in size as compared to prior configurations so size will be less as compared to its rectangular or circular counterparts [3]. These antennas are low-profile, simple and inexpensive to manufacture using printed circuit technology [4-7].
Summary of Chapters
1. INTRODUCTION: This section provides an overview of microstrip patch antennas, highlighting the advantages of annular ring structures for miniaturization and improved bandwidth in wireless applications.
2. ANTENNA DESIGN AND SIMULATION RESULTS: This chapter details the mathematical formulas for determining resonant frequency and effective dielectric constants, followed by simulation data and performance plots generated via Ansoft HFSS.
3. CONCLUSION: This section summarizes the success of the proposed annular ring antenna in achieving desired performance metrics within the 2.4 GHz ISM band using a simple and compact geometry.
Keywords
Microstrip Patch Antennas, MSAs, Circular Ring Microstrip Patch Antenna, CRMSA, Annular Ring Microstrip Patch Antenna, ARMSA, Circular Polarization, Voltage Standing Wave Ratio, VSWR, Resonant Frequency, ISM Band, Antenna Simulation, Ansoft HFSS, Dielectric Substrate, Fringing Fields
Frequently Asked Questions
What is the core subject of this research?
The research focuses on the design and electromagnetic analysis of an annular ring microstrip patch antenna intended for wireless communication systems.
What are the primary thematic areas covered?
The paper covers antenna geometry, mathematical modeling of resonant frequencies, substrate material selection, and simulation-based performance evaluation.
What is the main objective of this study?
The primary goal is to demonstrate a compact, efficient antenna design that operates at a 2.4 GHz resonant frequency, suitable for the Industrial, Scientific and Medical (ISM) band.
Which scientific methods are utilized?
The study employs mathematical modeling involving Bessel functions to predict antenna behavior and uses the Ansoft HFSS full-wave electromagnetic simulator for performance validation.
What topics are discussed in the main body?
The main body details the theoretical equations for annular ring geometry, the modification of radii to account for fringing fields, and simulation results including return loss, VSWR, and radiation patterns.
Which keywords best describe this research?
Key terms include Microstrip Patch Antennas (MSAs), Annular Ring, 2.4 GHz ISM band, Resonant Frequency, and VSWR.
Why is the annular ring configuration preferred over circular patch antennas?
The annular ring structure allows for smaller overall antenna dimensions when operated in its lowest mode, which is particularly beneficial for array applications.
What specific substrate material was used for the proposed model?
The antenna was designed using Roger RT/Duroid 5880 substrate material with a dielectric constant of 2.2 and a height of 3.125 mm.
How does the author account for fringing fields along the curved edges?
The author applies empirical formulas to modify the outer and inner radii of the ring to compensate for fringing effects and ensure accurate frequency determination.
What performance results were achieved at 2.4 GHz?
The proposed design achieved a return loss of -15 dB, a VSWR of 1.4, and a return loss bandwidth of 220 MHz (9.05%).
- Arbeit zitieren
- Ankit Ponkia (Autor:in), 2014, A Simple Design and Analysis of Coaxial Fed Annular Ring Microstrip Patch Antenna For Wireless Communication Systems, München, GRIN Verlag, https://www.grin.com/document/275071
