DESIGN AND ANALYSING OF COMPACT MICROSTRIP ANTENNA WITH DEFECTED GROUND STRUCTURE FOR UWB APPLICATION (original) (raw)
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IJERT-Analysis and Design of Microstrip Antenna with Defected Ground Structure for UWB Application
International Journal of Engineering Research and Technology (IJERT), 2016
https://www.ijert.org/analysis-and-design-of-microstrip-antenna-with-defected-ground-structure-for-uwb-application https://www.ijert.org/research/analysis-and-design-of-microstrip-antenna-with-defected-ground-structure-for-uwb-application-IJERTV5IS010636.pdf In this paper a small size microstrip antenna with DGS (Defected ground structure) is designed and analyzed for UWB (Ultra Wide Band) application. This antenna cover the complete frequency range of 3.1 to 10.6 GHz with a very small geometry as compared to a conventional antenna Dielectric substrate use in this antenna is Fr-4. This antenna is designed with a dimension is 36mm × 34 mm on a dielectric substrateFr-4 whose permittivity εr =4.4 and height h = 1.6 mm. The result for return losses and radiation patterns is simulated by using HFSS (High Frequency structure simulation) software. The ground element of the proposed antenna is taken in the form of defected ground structure (DGS).
Novel UWB Microstrip Antenna Structures with Defected Ground Structure
Indonesian Journal of Electrical Engineering and Computer Science, 2018
This paper presents the design of new compact printed antennas for Ultra Wide Band applications, fed with a microstrip-line. The proposed designs consist of a patch antenna with defected ground, which are fed by 50Ω microstrip transmission line. The frequency range is 3.1-10.6 GHz which is the Federal Communication Commission (FCC) band of UWB. The proposed antennas are easy for integration with microwave circuits. They are validated into simulation by using two electromagnetic solvers CST-MW and Ansoft HFSS. The simulated input impedance bandwidth ranging 3GHz to more than 14 GHz is obtained with return loss less-10dB, and exhibits good UWB characteristics. The measured parameters are good agreement with the simulation. Therefore these antennas offer excellent performance for UWB system.
Canadian Journal of IoT, and Smart Engineering Technologies (CJITSET)
A novel method to develop an Ultra-Wide Band (UWB) antenna is proposed in which a defected ground structure technique is employed. The proposed design is Micro-strip fed slotted patch with an altered ground side. The Operating Band width of antenna is 3.1 GHz to 10.6 GHz. The design parameters of the antenna have been optimized using high frequency finite element based simulation software for the best gain, bandwidth and efficiency performance. Effectively directional radiation patterns and large impedance bandwidth has been observed from simulation results. The design parameters and the simulation results are all reported in this paper including the radiation pattern in different frequencies within the operating band. The proposed antenna is also fabricated and the measurement results are also presented in this paper.
Microstrip Rectangular Monopole Antennas with Defected Ground for UWB Applications
International Journal of Electrical and Computer Engineering (IJECE), 2017
This paper presents the design of new compact antennas for ultra wide band applications. Each antenna consists of a rectangular patch fed by 50Ω microstrip transmission line and the ground element is a defected ground structure (DGS). The aim of this study is to improve the bandwidth of these antennas by using DGS and the modification geometry of rectangular structure, which gives new compact antennas for UWB applications. The input impedance bandwidth of the antennas with S11<-10dB is more than 10GHz, from 3GHz to more than 14 GHz. The proposed antennas are investigated and optimized by using CST microwave studio, they are validated by using another electromagnetic solver Ansoft HFSS. The measured parameters present good agreement with simulation. The final antenna structures offer excellent performances for UWB system. Keyword: Ansoft HFSS CST microwave studio Defected ground structure (DGS) Rectangular microstrip patch antenna (RMSA) Ultra wideband (UWB)
MICROSTRIP ANTENNA WITH DEFECTED GROUND STRUCTURE: A REVIEW
Defected Ground Structure is a new face or we can say a new era of research and application on printed circuit Microstrip antennas. Since DGS used antenna has a different ways of understanding about the Microstrip antennas it is being introduced in this paper to give a broad perspective and understanding about DGS. Intentionally created error or the slot in the ground plane of a Microstrip antenna is referred as the Defected Ground Structure (DGS) and is used for different applications. The defects introduced in the ground plane can be single or multiple. The defects are introduced to reduce the harmonics and to suppress mutual coupling between elements. DGS has opened a new face of exploration in the fields of microwave engineering which leads to thousands of applications and developments till date. Many patents are been already made using DGS in antennas and there are many technical papers, articles. In this paper it is tried to introduce to the new face of development especially in the field of Microstrip antennas, giving an insight to applications and developmental challenges on microstrip antennas in improving, bandwidth, polarization, compactness in size and multiband applications.
Design and Improvement of Microstrip Patch Antenna Parameters Using Defected Ground Structure
In this paper simple RMPA is designed and its performance parameters are compared with RMPA having defected ground plane. The antenna is simulated at 2.4 GHz using CAD-FEKO simulation software .This work mainly includes modification of antenna ground plane called as Defected Ground Structure (DGS). The parameters of antenna such as Reflection coefficient, Gain, VSWR and Band width, with and without DGS are measured. The main focus of this paper is to improve band width so that patch antenna is used for wide band applications and study effect of DGS on antenna parameters.
Measurement Analysis of Ultra-Wideband Monopole Antenna With Defected Ground Structure
International Journal of Measurement Technologies and Instrumentation Engineering, 2017
This article describes how a compact, low profile Ultra-wideband (UWB) monopole antenna with a defected ground structure is designed and demonstrated experimentally. The design and experimentation activities have been carried out with the help of a CST Microwave studio tool. The UWB characteristics of the proposed antenna are achieved with a modification of the ground structure of the referenced antenna with novel L shaped defected ground structure (DGS). Both antennas are fabricated on the same substrate with the dimensions of 28.3 x 24 mm2. The comparative analysis of the results for both antennas clearly indicate that the proposed UWB monopole antenna enhanced the impedance bandwidth from 3.7 GHz – 14.9 GHz without DGS and to 3.4 GHz – 20 GHz with DGS. The enhanced bandwidth, constant group delay and good radiation characteristics of the proposed antenna have identified it as a good candidate for portable UWB applications.
Ultra-Wideband Antenna with Y-Shape Defected Ground Structure
International Journal of Advanced Trends in Computer Science and Engineering, 2020
Ultra-Wide Band (UWB) technology is rapidly developing area in the field of wireless communication. There are many challenges in this field; one of the challenges is to design an antenna that covers the entire UWB frequency range. The paper present the design UWB antennas that operates in the frequency range from 3 GHz to 12 GHz. Rectangular microstrip planar patch antenna integrated with Defected Ground Structured, which is Y-shaped, and full ground plane is proposed. The antenna is simulated using CST Microwave Studio software. A comparative parametric analysis has been made based on return loss, gain, radiation pattern characteristic and impedance bandwidth. The antenna is fabricated, measured and verified using vector network analyzer and good agreement was observed. DGS implementation is able to improve the antenna bandwidth significantly from 0.5GHz to 8.9GHz. The antenna is able to operate at UWB which is covered 3.1GHz to 12GHz with gain of 4.1dB. Proposed antenna present good candidate for UWB applications due to their special characteristic such small size, low profile, low cost, wide bandwidth and almost omnidirectional radiation pattern.
Wireless Personal Communications, 2021
A new compact pentagonal microstrip patch antenna with slotted ground plane structure, developed for use in ultrawideband applications, is studied in this article. The proposed antenna is mainly constituted by a pentagonal shaped patch antenna, a defected ground plane structure, two stubs, and four slots to improve the bandwidth. The designed antenna has an overall dimension of 30×17.59×1.6mm 3 , for WIMAX /WLAN/ WiFi/HIPERLAN-2 /Bluetooth /LTE /5G applications with a very large bandwidth starting from 2.66 GHz to 10.82 GHz (S11<-6 dB). A parametric study of the ground plane structure was carried out to find the final and the optimal UWB antenna, and to confirm that the antenna has good performance and broader bandwidth. The proposed antenna prototype has been fabricated. The measured results indicate that the antenna has a good impedance matching. The antenna has an electrically small dimension with a good gain, a notable efficiency, and a wide impedance bandwidth, which makes this antenna an excellent candidate for ultrawideband wireless communication, microwave imaging, radar applications, and the major part of the mobile phone frequencies as well.
Design and Performance Analysis of UWB Circular Patch Antenna with Defected Ground Structure
International Journal of Scientific Research in Science and Technology, 2023
This paper presents the design and performance analysis of an ultra-wideband (UWB) circular patch multiple-input multiple-output (MIMO) antenna with a defected ground structure (DGS). The proposed antenna design has a compact area of 60x30 mm^2, resulting in a total size of 1800 mm^2. The circular patch configuration allows for improved bandwidth and frequency coverage. The MIMO antenna consists of two circular type patches, with a separation distance of 0.05Ag, where Ag represents the area of the antenna. By optimizing the dimensions and positioning of the circular patches, the antenna achieves resonant frequencies at 2.5, 6.3, 8.2, and 11.64 GHz. This frequency range effectively covers the spectrum from 2.0 to 20.0 GHz, providing excellent UWB performance. To enhance the antenna's performance, a defected ground structure (DGS) is incorporated. The DGS helps in suppressing unwanted harmonics and improves the antenna's radiation characteristics. Additionally, the antenna design is carefully optimized to maintain a voltage standing wave ratio (VSWR) of ≤2, ensuring efficient power transfer and signal integrity. The proposed UWB circular patch MIMO antenna with a defected ground structure offers significant advantages, including a compact form factor, wide frequency coverage, and improved performance. The design and performance analysis presented in this paper demonstrate the potential of this antenna for various wireless communication applications, such as ultra-wideband systems, radar, and wireless sensing.