Microstrip antenna with DGS based on CSRR array for WiMAX applications

Ajay, V. G.; Parvathy, A. R.; Mathew, Thomaskutty

doi:10.11591/ijece.v9i1.pp157-162

IJECE

2019

DOI: 10.11591/ijece.v9i1.pp157-162

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Microstrip antenna with DGS based on CSRR array for WiMAX applications

V. G. Ajay

A. R. Parvathy

Thomaskutty Mathew

Abstract: <span lang="EN-US">This paper reports a novel method for designing a miniaturized microstrip antenna with DGS based on CSRR array which operates in the frequency of 2.6GHz for low band WiMAX application. The proposed antenna is designed using ANSYS HFSS simulation software. The antenna with optimized parameters is fabricated using FR-4 substrate of thickness 1.6 mm. The simulated and measured performances of the antenna in terms of return loss, directivity and radiation patterns are presented in this wor… Show more

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Cited by 4 publications

References 12 publications

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A new approach for impedance matching rotman lens using defected ground structure

Al-Obaidi¹,

Mohd²,

Abdullah³

et al. 2020

Bulletin EEI

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Many recent radar applications and smart antenna are based on the electronically steerable beam in order to increase the performance of targeting the desired scan angle with the high performance of gain and directivity. Scanning angle with ±26o based on Microstrip Rotman lens and design frequency 2.45 GHz is presented in this study. Five beam ports provide five output beams directed the beams in five different scanning angles in the azimuth plane is provided. The traditional matching method by tapering the transmission line in order to guarantee a smooth energy transition from the 50 Ω input ports is replaced by Defected Ground Structure to achieve an acceptable return loss with a linear progressive phase for each beam port. The new approach is providing increasing in the scan angle. Besides, the size miniaturization is achieved by removing the tapering length and reduces the total size of the lens length by 23.67 mm. The proposed model is implemented using Computer Simulation Technology (CST) using the FR-4 substrate and the measurements lead to a good validation.

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A new approach for impedance matching rotman lens using defected ground structure

Al-Obaidi¹,

Mohd²,

Abdullah³

et al. 2020

Bulletin EEI

View full text Add to dashboard Cite

show abstract

Resonance frequency analysis of laser optical fiber based on microcantilever

Aljanabi

2019

IJECE

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<p>The normal frequency of smart beams was originated utilizing FEM [Ansys and Comsol] code for first five modes by varying the position of actuator from the fixed end of the structure, and it has a suitable arrangement with analytically found the standard frequency. This paper includes learning a resonance frequency analysis of laser optical fiber based on microcantilever of designing magnetic actuator using Ansys and Comsol simulation. The design of optical fiber includes Nickel cantilever, two magnets and one coil that apply to force on the cantilever. After the current flows in the coil domain, the shape of microcantilever will be deformed. It will move to z- direction that depends on the force direction. Two methods including, Comsol Multiphysics, Ansys and analytical equations have been utilized to calculate the resonance frequency, current and force values. The simulation results include calculating the current (magnetic current density) and effects of the magnetic field of the coil on the cantilever (force calculation). Utilizing this method is to limit faults(errors) of optical fiber laser between transmitter and receiver system (detection system) for any time of cutting coil when the signal of a laser passes through the coil. In conculsions, resonant frequency (f_n) tuning using cantilivier presented in the resrach have larger variable range by using simulations. However,the adjusting of the system and changing the deminsions.Resolutions to this problematic contain tuning the modes of resonant frequency to produce by cantilivier with 2-magnets and coil when the signal pass from laser source. Based on these simulations and characterization results, the proposed assembly can be a good applicant for evolving a low price, high material platform for many biological, laser optical fiber, communication, machine learning, biosensors and biomedical applications. </p>

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Fractal microstrip patch antennas for dual-band and triple-band wireless applications

Nhlengethwa

Kumar

2021

International Journal on Smart Sensing and Intelligent Systems

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In this paper, the design and development of dual-band and triple-band fractal microstrip patch antennas with enhanced gain are presented. The structure is based on the Sierpinski carpet fractal, where the multiband functionality is achieved by applying the fractal iteration technique. The fractal antenna characteristics along with analysis of the reflection coefficient and the radiation patterns for each iteration are presented. The dual-band fractal microstrip patch antenna (DBFMPA) is operating at 4.9 and 5.3 GHz and the triple-band fractal microstrip patch antenna (TBFMPA) is operating at 2.4, 5.3, and 5.9 GHz. The defected ground structure (DGS) and a reflector plane is utilized for enhancing the gain of the antenna. Design and optimization of the DBFMPA and TBFMPA are done using the Computer Simulation Technology (CST) Microwave Studio Suite. The presented DBFMPA and TBFMPA are suitable for industrial, scientific, and medical (ISM) wireless applications.

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Microstrip antenna with DGS based on CSRR array for WiMAX applications

Cited by 4 publications

References 12 publications

A new approach for impedance matching rotman lens using defected ground structure

A new approach for impedance matching rotman lens using defected ground structure

Resonance frequency analysis of laser optical fiber based on microcantilever

Fractal microstrip patch antennas for dual-band and triple-band wireless applications

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