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The paper exhibits a novel design of stair cased shaped fractal antenna for multiband applications. The antenna is designed on FR4 glass epoxy substrate with parameters like thickness 1.6mm, dielectric constant 4.4 and resonant frequency 3.8GHz. Proposed antenna is simulated and coaxial feed is used to analyze its performance. Maximum value of gain observed is 7.51dB. The HFSS version 13 software...
This paper exhibits the aptness of flexible Teflon material having dielectric constant £r=2.1 to be employed as substrate in the Microstrip patch antenna design. This paper presents two flexible Teflon substrates of thickness 0.5 mm and 1 mm, respectively. The antenna designs employ a Trident shaped copper patch on the top surface of dielectric Teflon substrate and a defected ground plane on the other...
In this paper, the design and performance analysis of dual circular stacked microstrip patch antenna for S-band applications has been proposed. In the proposed antenna design, the substrate of material FR 4 having dielectric constant 4.4 have been used. The ground, patch and feedline are of copper material. The proposed antenna has two circular stackings on the patch and the antenna has impedance...
This paper demonstrates the design and performance analysis of the star shaped microstrip patch antenna. The proposed antenna design employs substrate of FR4 material having thickness and dielectric constant of 1.6 mm and 4.4 respectively. The proposed antenna design consists of a FR4 substrate, star shaped radiating copper patch and slotted ground forming star shaped microstrip patch antenna configuration...
In this paper, a novel multiple slitted and circular stacked microstrip patch antenna with high gain has been proposed. The composite effect of employing slots and stacking provides enhanced return loss (dB), high gain (dB) and directivity (dBi). The proposed antenna design employ FR4 material as a substrate having dielectric constant 4.4. The copper material has been used for patch and ground. The...
The microstrip patch antenna modiflcations have been being conducted over approximately four decades by different simulation tools. In this paper, an elliptical microstrip antenna (EMSA) is considered as a reference one and the introduction of an F-cut on it has brought improvements in the various parameters in both the operating bands with the centre frequencies of 3.6 GHz (S-Band) and 5.3 GHz (C-Band)...
A wideband and planar pentagonal patch antenna using an FR-4 substrate and 4 × 4 arrays are proposed. Antennas were designed by considering effect of human body. The measured and calculated frequency characteristics of Sparameters match well. The amplitude of reflection coefficient was less than −5 dB for frequency range more than 2.2 GHz. Linear frequency characteristics of phase can be observed,...
In this paper we propose a new design of multiband coplanar antenna based on split ring resonator (SRR), which can be used for several applications. Into the top layer of antenna substrate, two gaps with the shape of a bow-tie rounded are printed symmetrically. Then, we investigate the properties of SRR to improve the performances of the antenna. The proposed antenna covers many frequency namely 1...
In this paper, the performance of Rectangular Microstrip Antenna (RMSA) is analyzed by changing the substrate materials. RMSA is designed to operate for 3GHz resonant frequency for various substrate materials. A comparison has been done in terms of reflection coefficient, VSWR, gain, efficiency, radiation pattern and cost. The simulation analysis shows the maximum bandwidth of 82MHz when Polystyrene...
In this demonstrative work, rectangular microstrip patch antenna has been proposed. Teflon substrate having thickness of 4mm and dielectric constant of εr = 2.1 has been employed. The design and analysis of the proposed system has been carried out on Computer Simulation Technology (CST) Microwave Studio 2014. The proposed antenna has compact size, light weight. The proposed antenna ground and patch...
This paper propounds a new flexible material, which has been designed by employing flexible Poly Vinyl Chloride (PVC) having dielectric constant εr= 2.7 as substrate. The projected antenna design states that a circular shaped copper patch with flag shaped slot on it has been deployed over the hexagonal PVC substrate of thickness 1 mm. Then ground plane is partially minimized and slotted to revamp...
In this paper, a microstrip rectangular patch antenna with reduced ground capable of operating in terahertz (optical) frequency range has been designed and proposed. The antenna has been fed by microstrip feedline which has an input impedance of 292.6 Ω closely matching with the input impedance of SMA connecter of impedance 292 Ω for maximum power transfer to the antenna. The ground and patch of the...
An optimized planar antenna for transceiver operating at 1800 MHz (DCS band) is designed and presented. The designed microstrip antenna is used for Digital cellular system operating at the frequency of 1800 MHz with the return loss better than 10 dB.FR4 substrate is used in the design with lesser occupancy of 50*40*3.8mm3. The simulated design of antenna confirms satisfactory output gain and omnidirectional...
A new approach is investigated to enhance the gain of Microstrip Antenna Array using the substrate integrated waveguide (SIW). Integration of SIW is implemented firstly in single microstrip antenna and then in 4×1 array. Rectangular microstrip antenna array is backed with SIW cavity is designed to improve gain as well as bandwidth for wireless communication applications. Proposed antenna array acquires...
In this paper, a flexible I shaped stacked novel ultra wideband (UWB) antenna with defected and reduced ground resonant at 1.26 GHz with an impedance bandwidth of 1.278 GHz (1.0596 GHz to 2.3374 GHz) has been proposed which can be suitably employed for satellite reconnaissance, amateur radio, future soil moisture and sea surface salinity mission applications. The material employed for substrate is...
A new fractal like tree structure of circular patch antennas for multi-band and wide-band challenges in 5G technologies is presented in this paper. The elementary structure is shown in Fig. 1. The antenna is designed on low cost Rogers RT/duroid 5880 (tm) substrate fed by a 50-ohm micro-strip line. The antenna is simulated in High Frequency Structure Simulator Software (HFSS). The proposed antenna...
The design and realization of a low-profile wideband dual-polarized patch antenna with high isolation and low cross polarization has been presented. The aperture-coupled antenna element has four layers of substrates. Two microstrip lines terminated with circular patches are printed on the backside of the bottom substrate for feeding the radiating patches, while on the other side is a ground plane...
In this letter, we proposed a new method to reduce mutual coupling of antenna array without adding additional space for the added structures, such as modified ground structure, metamaterial, and parasitic elements on the surface of antenna substrate. As an example, a compact two-element antenna array working at 5 GHz is designed. Two closed chip loop structures (CCLSs) around the two radiation patches...
This paper presents high gain substrate slotted microstrip patch antenna design for X-band satellite applications. The proposed antenna has been designed by using the substrate of Flame Retardant 4 (FR4) having dielectric constant εr of 4.4. The ground, patch and the feedline are made of copper material having thickness of 0.02mm and conductivity of 5.58 × 106 Siemens/m. The proposed antenna has been...
The motive behind this research is to analyze the performance of different microstrip patch antennas employing different shapes of substrate and ground (circular, rectangular, square, elliptical and hexagonal) using flexible substrate material for UWB wireless applications. In this paper, the multifaceted novel UWB flexible microstrip patch antennas operating over 8.2 GHz frequency for indoor location...
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