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This paper proposes a novel approach to design a microstrip patch antenna and to obtain the relationships between physical dimensions of it and its bandwidth. The curve-fitting method is adopted to establish the aforesaid relationship. The antenna is designed to operate in X band region of the entire electromagnetic spectrum and simulated results are verified with respect to the design frequency.
In this study, a square microstrip patch antenna operating in millimeter wave frequencies with improved return loss characteristics is proposed. The proposed patch antenna operates at 30 GHz which is among the projected 5G communication frequencies and has a novel geometry with diamond-shaped slots. The first design in this work is a conventional inset fed square microstrip patch antenna. It has a...
This paper presents two antenna design, the first antenna design a dipole antenna made of two material, aluminum and iron to works at TV channel frequency (450MHz-950MHz) in Jakarta, Indonesia. The second antenna design is a rectangular microstrip antenna with line feed method for radar application such as weather radar working on S-band at 3GHz frequency, we used rectangular shape because it is the...
Microstrip patch antenna finds a better choice in wireless communications because of their less cost, light weight and ease of fabrication. This paper proposes a novel design for the bandwidth enhancement of microstrip patch antenna with parasitic patch placed adjacent to the radiating patch along with the slots. The proposed structure is designed at 8.5 GHz using FR4-epoxy as substrate material that...
In this paper, a development of aperture coupled based microstrip antenna using meander line slot is presented. The proposed antenna constitutes of 2 substrate layers which are separated by a common ground plane. A Meander line slot is loaded to the antenna patch to reduce the dimension of the proposed antenna design. The antenna characteristics before and after applying a meander line slot are numerically...
This paper presents an analysis of four impedance matching techniques to apply in tapered microstrip patch antenna fed by microstrip-line. The techniques used are inset-feed, quarter-wave transformer, displaced-line, and hybrid-line, which is a combination of the other three techniques. The antennas were designed to an operation frequency of 5 GHz. Antenna analysis and measurement were done using...
This paper aims to present the influence of a metasurface, a special type of metamaterials, in the performance of a microstrip antenna. We design and manufacture a microstrip antenna with and without the use of a metasurface. Simulations were done with ANSYS software and measurements were realized with a E5071C ENA Network Analyzer. A comparative analysis, showing how the metasurface changes the performance...
This paper presents the analysis of microstrip monopoles for applications in ultra wideband systems (UWB). Antenna structures using circular and semi annular ring patches are considered. The antennas are printed on a FR4 dielectric substrate and present truncated ground planes with a small cut beneath the microstrip line feeder to improve the antenna impedance matching. Results for return loss, resonant...
The demand on higher data rate in modern communication systems leads to the use of multiband applications. A multiband double layered microstrip antenna is designed for this purpose. The patches are shaped through variation of the widths and lengths of tri-slots to achieve reflection minima at 3.1 GHz, 5.8 GHz, 7.4 GHz and 9.8 GHz, which cover many applications such as WiMAX, Wi-Fi or other wireless...
Bandwidth enhancement of a rectangular monopole UWB antenna using M-shaped strip with triple band notched characteristic is presented. Antenna consists of an exciting rectangular patch with two C-shaped and one inverted U-shaped slots along with defected ground plane which is coupled with M shaped strip. By inserting slots to the rectangular patch, three notched frequency bands are achieved. A conceptual...
In this paper Compaq patch antenna is designed using array of E shape element and its performance is optimized using defected ground structure. Two array designs are proposed of 1 by 2 elements and 2 by 2 elements and its performances are analyzed. Circular DGS is introduced to enhance the performance characteristics like gain, bandwidth, mutual coupling and better isolation between elements of antenna...
This proposed paper, a single band microstrip patch antenna for 5G wireless application is presented. This proposed antenna is suitable for the millimeter wave frequency. The single band antenna consist of new H slot and E slot loaded on the radiating patch with the 50 ohms microstrip line feeding used. This single band antenna is simulated on a Rogers RT5880 dielectric substrate have relative permittivity...
Bandwidth enhancement of an ultra-wide band swastika slot loaded antenna with band notch characteristic is presented. The antenna consists of an exciting rectangular patch on the front side and a partial ground plane on the backside of the substrate. A swastika shape is etched on patch, by inserting corner slots to the swastika shape, notched frequency band is improved. The simulated impedance is...
This paper presents a design of compact tri-band F-shaped slot antenna using complementary split ring resonator (CSRR) for Mobile and Wireless Local Area (WLAN) applications. The aim of this paper is to design a very small-profile antenna (27.48×26.59mm2) or 0.08λ0× 0.08λ0 (λ0 = 900 MHz) that can operate in tri-band frequency ranges around 900MHz, 1800MHz and 2.4GHz. By etching F-shaped slots on each...
Design and analysis of multilayer stacked-patch antenna with LTCC-technology. It is shown that changing the number of the dielectric layers can increase the working band-width of the antenna compared with single-layer antennas. The use of passive elements in the construction of the antenna (multilayer microstrip antenna) can reduce the change of the impedance of the antenna when changing the frequency...
The microstrip antenna (MSA) is one of the most widely used microwave antennas possessing several advantages. However, it presents a low impedance bandwidth, low gain, and tolerance problems. Due to the increasing usage of wireless communication applications, the performance improvement studies of such systems has found a growing investigation area in recent years. One new area of applying wireless...
Nowadays UWB antennae have become popular due to the growing need for both the UWB ground and space communication. In this work, an UWB Vivaldi antenna is proposed with the enhanced functionalities through the use of DGS and dielectric lens for to be used for both ground and space communications. Performance enhancement of an UWB Vivaldi antenna is worked out on Roger 4350B substrate (єr=3.66, tanô=0...
This paper is aimed at developing a Hexagonal Patch Microstrip antenna for C Band, X Band and Ku Band Applications. This is designed using FR-4 (Lossy) substrate and validation of model is done using extensive simulations in CST MWS 2011. The proposed design is achieved using 3 steps with each step resulting in a great enhancement in the bandwidth. The proposed antenna works for all frequencies from...
This paper presents a low profile unidirectional UWB cavity backed antenna analyzed using The Theory of Characteristics Modes (TCM). The main goal of this work is to design a low profile UWB antenna with a very stable and unidirectional radiation pattern. The proposed design is based on exciting the fundamental mode of a cavity structure composed of a metallic ring, a circular waveguide and two circular...
A new robust design of the printed phased antenna array was developed and investigated. Results of numerical prediction of radiation, matching and scanning characteristics of a single printed bow-tie antenna and a new design of phased antenna array composed of these radiating elements are presented.
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