A Printed Dipole Antenna for WLAN Applications with Anti-interference Functionality

Shokri, Majid; Faeghi, Pouya; Kaboutari, K.; Ghobadi, Ch.; Nourinia, Javad; Amiri, Zh.; Barzegari, Rahim

doi:10.1109/piers53385.2021.9694670

Cited by 10 publications

(5 citation statements)

References 20 publications

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“…The MIMO antenna is designed by designing radiation elements individually, then by putting these elements together in the next step [7]. Today, printed antennas have become more popular due to their light structure, cheapness, and ease of connection to other microwave components [8,9,10]. One of the most critical challenges in designing an antenna is choosing its optimal physical parameters to achieve proper antenna performance.…”

Section: Introductionmentioning

confidence: 99%

Multi-Objective Hybrid Optimization Algorithm for Design a Printed MIMO Antenna with n78 - 5G NR Frequency Band Applications

Hosseini

Farhang

Majidzadeh

et al. 2023

Preprint

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This study introduces a novel multi-objective optimization algorithm integrating Customized Mutated PSO (CM-PSO) and an innovative modified Genetic Algorithm (GA) using an unexplored merged chaotic map. The hybrid algorithm con- verges to desired results faster than CM-PSO and modified GA without trapping in local minima. Validation is conducted by designing a single-element and simple-structure dipole antenna so that its optimized S 11 is better than -30 dB at the resonance frequency and covers the 3.3 to 3.8 GHz fre- quency band with S 11 < − 1 0 dB. Certainly, the -30 dB and covering frequency band criteria can be modified in the pro- posed algorithm. In the algorithm, the isolation between el- ements of a quad-Multiple-Input/Multiple-Output antenna, constructed using optimized dipole antennas, is set to be less than -20 dB (changeable criteria) so that the smallest size can be achieved. CST carries out electromagnetic and high- frequency simulations, and the novel developed optimization algorithm in MATLAB determines what and how much pa- rameter values need to be changed by CM-PSO or an innova- tive modified GA in order to enhance the antenna’s S 11 result and its Impedance Bandwidth (IBW). The input parameters of the algorithm are the dimensions of the proposed antenna’s elements, which significantly influence its performance.

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Section: Introductionmentioning

confidence: 99%

Multi-Objective Hybrid Optimization Algorithm for Design a Printed MIMO Antenna with n78 - 5G NR Frequency Band Applications

Hosseini

Farhang

Majidzadeh

et al. 2023

Preprint

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show abstract

“…(2) It is possible to minimize the signal loss in the transmission line by using an integrated balun, thus improving the overall performance of the antenna (3) When baluns are integrated into the dipole antenna, an external balun is unnecessary, and the design becomes simple with a compact size (4) Employing balun enhances the impedance matching (5) Also, by using balun, the impedance bandwidth of the dipole becomes wider Integrating balun in the dipole antenna configuration is a popular choice for telecommunication services [15][16][17][18]. In this study, a dual-CP antenna is proposed, which is composed of printed dipoles with integrated baluns feed by a 90 °hybrid coupler.…”

Section: Introductionmentioning

confidence: 99%

Axial Ratio Improvement of Circularly Polarized Antenna Using Parasitic Elements for 5G Applications

Mohammadkhani,

Mallahzadeh

2023

International Journal of RF and Microwave Computer-Aided Engine

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A circular polarization (CP) antenna that can switch between right-handed circular polarization (RHCP) and left-handed circular polarization (LHCP) modes has been designed and introduced for 5G applications in the 3.5 GHz frequency band in this work. The proposed antenna comprises a crossed dipole fed by a 90° hybrid coupler. The axial ratio (AR) enhancement of 190 MHz is achieved by vertically stacking a substrate with a distance of λ / 4 from the ground plane, including an annular ring-shaped parasitic element above a circular-shaped disc. Consequently, by creating surface current rotation on the parasitic elements, the CP performance of the antenna is improved. According to the experiments, a wide impedance bandwidth of 930 MHz (3.19-4.12 GHz) and an overlapped AR bandwidth of 23.5% for both modes are achieved. The overall size of the antenna is 100 × 92.5 × 24 m m 3 , and the gain is stable across the operating frequency band with a peak value of 6.78 dBic.

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“…Using metal plates [13] or/and dielectric substrates [14][15][16][17] are the most commonly used techniques in the design and construction of antennas. Using substrates in antenna design leads to realizing a lightweight, compact, and low-cost antenna [18,19].…”

Section: Introductionmentioning

confidence: 99%

Broadband printed dipole antenna with integrated balun and tuning element for DTV application

Teimouri

Ghobadi

Nourinia

et al. 2022

AEU - International Journal of Electronics and Communications

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A Printed Dipole Antenna for WLAN Applications with Anti-interference Functionality

Cited by 10 publications

References 20 publications

Multi-Objective Hybrid Optimization Algorithm for Design a Printed MIMO Antenna with n78 - 5G NR Frequency Band Applications

Multi-Objective Hybrid Optimization Algorithm for Design a Printed MIMO Antenna with n78 - 5G NR Frequency Band Applications

Axial Ratio Improvement of Circularly Polarized Antenna Using Parasitic Elements for 5G Applications

Broadband printed dipole antenna with integrated balun and tuning element for DTV application

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