scholarly journals Design and Analysis of Circular Monopole antenna for WLAN and WI-Max Application in S band

In today’s existence, the technology for communication is continuously growing. The agile achievement in ultra-broadband antennas in wireless communication is increased. A circular monopole microstrip patch antenna has been developed in this research paper. The parameters grandiose by antenna perfmonance are researched. The design is designed to achieve desired gain and bandwidth at 2.4 GHz frequency, with a defected ground system (DGS). This antenna design has been effectuated using FR-4 as the dielectric substrate with 4.3 as dielectric constant. In computer simulation technology (CST) the model monopole circular microstrip patch antenna is simulated and the results needed are achieved. The S11 parameter is obtained as -17.28 decibels which is below -10 decibel. The gain obtained at 2.4 GHz frequency is 1.730 decibel. Application in S band devices, including Wi-Max, WLAN, radio altimeter, cordless phones, wireless headphones etc., were built in this research article.

2018 ◽  
Vol 7 (3.12) ◽  
pp. 1199 ◽  
Author(s):  
Ragini Sharma ◽  
Mahesh Kumar Aghwariya ◽  
Tanvi Agrawal ◽  
Sachin Tyagi

In this paper a slotted microstrip patch antenna has been designed that works for two frequencies 1.42GHz and 2.65GHz. Since a microstrip patch antenna works only on one resonant frequency so converting that into a multiband patch antenna would enhance the bandwidth  and also utilizes the multiple frequencies of operation. This multiband slotted patch antenna is fabricated on FR4 lossy dielectric substrate whose dielectric constant is 4.3 and height is 1.6mm. The length and width of patch are taken as 51.16mm and 39.86mm respectively. we cut out the slots so that the patch antenna works at multiple frequencies. Another advantage of presented design is it reduced the size of antenna actually required for 1.42GHz frequency. Simulation and analysis of slotted patch antenna is done by CST software. Simulation and fabrication results show that the presented antenna design characteristics meet with the standard characteristics of antenna.  


This paper demonstrate the effect of textile material (Jeans) on U.W.B. we all familiar with the information that U.W.B is in between 3.1 to 10.6 GHz, That is assigned by the society of F.C.C (Federal Communication Commission) in 2002.The convoluted design present in this paper, It has designing frequency of 2.4 GHz & we have used IE3D software for simulation. The bandwidth, gain, directivity & efficiency of textile antenna are 109%, 6.69dBi, 6.7dBi, 99.6% respectively and bandwidth, gain, directivity, efficiency of reference antenna are 103%, 7.21dBi, 7.28dBi, 99.5% respectively. Here we are deploying line feed method technique for simulation


2018 ◽  
Vol 7 (2.7) ◽  
pp. 532 ◽  
Author(s):  
R Siri Chandana ◽  
P Sai Deepthi ◽  
D Sriram Teja ◽  
N Veera JayaKrishna ◽  
M Sujatha

This article is about a single band microstrip patch antenna used for the 5G applications. And this antenna is suitable for the millimeter wave frequency. The patch antenna design consists of 2 E shaped slots and 1 H shaped slot. These slots are loaded on the radiating patch with the 50 ohms microstrip feed line. For the simulation purpose, Rogers’s RT5880 dielectric substrate with relative permittivity of 2.2 and loss tangent of 0.0009 is used. The design and simulation of the antenna is done using HFSS (High Frequency Structure Simulator) software. The results are simulated for the parameters Return loss, VSWR, 3D Radiation pattern. The proposed antenna has a return loss of -42.4383 at 59 GHz millimeter wave frequency. 


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