Multiband Patch Antenna Design Using Nature-Inspired Optimization Method

Boursianis, Achilles D.; Papadopoulou, Maria S.; Pierezan, Juliano; Mariani, Viviana Cocco; Coelho, Leandro dos Santos; Sarigiannidis, Panagiotis; Koulouridis, Stavros; Goudos, Sotirios K.

doi:10.1109/ojap.2020.3048495

Cited by 46 publications

(25 citation statements)

References 64 publications

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“…The most common types are Bowtie antennas [8,9], log-periodic dipole arrays [10], dipole antennas [11], monopole antennas [12], loop antennas [13,14], Yagi-Uda antennas [15][16][17], planar inverted-F antennas [18], dielectric resonator antennas (DRAs) [19], etc. One of the most famous type of antennas for RF EH is the microstrip antennas, due to their comparative advantages [20][21][22][23].…”

Section: Receiving Antennamentioning

confidence: 99%

State-of-the-Art Techniques in RF Energy Harvesting Circuits

Bougas

Papadopoulou

Boursianis

et al. 2021

Telecom

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The exigency for continuous use of electrical devices has created greater demands for electricity along with more efficient transmission techniques. Energy from natural resources can be solar, thermal, vibration, friction, or Radio Frequencies (RF) signals. This state-of-the-art work provides a summary of RF energy harvesting techniques and can be used as a guide for the manufacture of RF energy scavenging modules. The use of Radio Frequency (RF) Energy Harvesting (EH) technique contributes to the development of autonomous energy devices and sensors. A rectenna system includes three main units: the receiving antenna, the impedance matching network, and the rectifier. We thoroughly analyze how to design a rectenna system with special emphasis given on the design of the rectifier. At the same time many works of the last 10 years are presented. This review article categorizes the used topologies depending on the type of antennas, IMNs, and rectifiers and comparatively presents their advantages and disadvantages.

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Section: Receiving Antennamentioning

confidence: 99%

State-of-the-Art Techniques in RF Energy Harvesting Circuits

Bougas

Papadopoulou

Boursianis

et al. 2021

Telecom

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“…The system consists of 4 number of antenna elements, which increases the bulkiness. A multi-band MPA [21] is proposed with nature inspired Coyote Optimization Algorithm. Three slits are inserted to get the desired band of frequencies.…”

Section: Literature Reviewmentioning

confidence: 99%

Design of quad band microstrip patch antenna with slits and slots

Palla¹,

Gopi²

2021

IJATEE

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Antenna operating in multiple frequency bands has driven the demand of antennas. The design of Quad band microstrip patch antenna to attain multiband with improved gain is described in this paper. Several slits and slots are introduced in the design process to allow a sole antenna to operate in multiple bands. FR-4 Epoxy is used as a substrate material due to its low cost and effectiveness than other substrates. The antenna is built and corresponding geometry is simulated in high frequency structure simulator (HFSS) tool which is based on finite element method (FEM). The operating frequencies of the proposed antenna are 1.8089 GHz (1.46-2.24GHz), 4.64 GHz (4.57-4.71GHz), 5.3867 GHz (5.29-5.44GHz) & 12.9778 GHz (11.36-15.3GHz) with a reflection coefficients observed -15.59dB, -16.55dB, -33.15dB, -25.07dB respectively. Wide bandwidths 0.7767GHz and 1.4GHz are observed for primary and quad bands, narrow bandwidths are observed for second and third resonant bands. The gains are observed as 14.97 dBi, 3.81 dBi, 4.48 dBi, 3.92dBi for the respective operating frequencies. The radiation characteristics are observed semi -omni directional and omni-directional for the resonant bands. This antenna can be used in satellite radio, aircraft surveillance and some radar applications.

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“…By minimizing the reflection coefficient at the terminal port of the EM structure, the impedance matching between the designed EM structure and the reference point (in practical RF EH systems, the reference point is referred to the module that transforms the RF energy to DC voltage, i.e., the RF-to-DC rectifier in a rectenna system) occurs, and con-secutively, the impedance of the designed EM structure tends to reach the characteristic value of 50 Ω. In this work, we express the given optimization problem by minimizing the reflection coefficient as the system metric of the designed EM structures (objective function of the optimization problem); however, the system metrics of the impedance, the radiation pattern, and the realized gain are also considered [117,118] to extract the feasible solution of the optimization problem. During the initialization phase of the optimization process in the proposed design framework, the following parameters are applied to the MVDE algorithm: The number of function evaluations, which acts as a stopping criterion in the optimization process, is equal to 10,000, and the threshold criterion for an acceptable solution of the optimization problem is set to −10 dB.…”

Section: Optimization Setupmentioning

confidence: 99%

Novel Design Framework for Dual-Band Frequency Selective Surfaces Using Multi-Variant Differential Evolution

et al. 2021

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Frequency Selective Surfaces (FSSs) have become increasingly popular during the last years due to their combined characteristics, which meet, in general, the requirements of the next-generation wireless communication networks. In this work, a cross-platform design framework for FSS structures is presented and evaluated by utilizing a recently introduced evolutionary optimization algorithm, namely, the Multi-Variant Differential Evolution (MVDE). To the best of the authors knowledge, this is the first time that the MVDE algorithm is applied to a design problem in Electromagnetics. The proposed design framework is described in detail and the utilized evolutionary algorithm is assessed in terms of its performance by applying several benchmark functions. In this context, the MVDE is comparatively evaluated against other popular evolutionary algorithms. Moreover, it is applied to the design and optimization of two different representative examples of FSS structures based on three use cases of unit cell geometry. Optimization results indicate the efficacy of the proposed framework by quantifying the performance of the designed FSS structures in terms of several system metrics. The optimized FSS structures exhibit dual-band operation and quite acceptable results in the ISM frequency bands of 2.45 GHz and 5.8 GHz.

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Multiband Patch Antenna Design Using Nature-Inspired Optimization Method

Cited by 46 publications

References 64 publications

State-of-the-Art Techniques in RF Energy Harvesting Circuits

State-of-the-Art Techniques in RF Energy Harvesting Circuits

Design of quad band microstrip patch antenna with slits and slots

Novel Design Framework for Dual-Band Frequency Selective Surfaces Using Multi-Variant Differential Evolution

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