A new configuration of patch antenna array for rectenna array applications

Taybi, Abdellah; Tajmouati, Abdelali; Zbitou, Jamal; Abdellaoui, Larbi El; Latrach, Mohamed; Errkik, Ahmed

doi:10.12928/telkomnika.v17i5.11476

Cited by 4 publications

(4 citation statements)

References 20 publications

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“…Referring to Figure 4(a), the array has a maximum power gain of 6.802 (8.326 dBi) at 70 0 on the horizontal plane; the circularity is ±0.031 dB, which is better than the circularity of a bay. As discussed in [16][17][18][19][20][21][22], all collinear arrays have minor lobes in the radiation pattern. The elevation pattern shown in Figure 4 (b) is produced with the cutting plane passing through the x-z plane.…”

Section: Results and Analysismentioning

confidence: 93%

Patterns of sidemount four-bay FM antenna system

Mappatao

2020

TELKOMNIKA

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This paper presents the radiation characteristics of a 4-bay collinear FM antenna system, both in free-space and with the presence of a metallic tower where the bays are mounted, with the use of powerful computers and accurate antenna simulation software. The radiation characteristics of the array are presented and discussed, such as the total gain, polarization components, circularity, beamwidth and minor lobe of the array. This is to determine the conformity of the array performance with existing standards. The possible effects of the metallic tower and the downward radiation from the minor lobe are emphasized. Being aware with these radiation characteristics, broadcast practitioners can optimize the use of this popular array. Results of numerical analyses show that the array is basically a vertically polarized radiator, the beamwidth is quite small which makes it disadvantageous for high-elevated antenna systems, the metallic tower affects the circularity of the azimuth pattern, and the downward radiation from the minor lobes can cause adverse effects. Adjustments on the basic elements and bay placements are recommended.

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Section: Results and Analysismentioning

confidence: 93%

Patterns of sidemount four-bay FM antenna system

Mappatao

2020

TELKOMNIKA

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“…However, there are problems that need to be addressed with the use of the array: (1) presence of pattern nulls and the adverse effects of sidelobes (minor lobes); (2) effects of the metallic tower to the bays that tend to deviate the radiation pattern, and (3) the inherent non-compliant radiation characteristics of the CPA to broadcast standards. Stacking creates minor lobes and the number of which increases with the number of stacked elements [1][2][3][4][5][6]. One of the authors of this paper has a thorough discussion (including equations) on this topic in [1].…”

Section: Introductionmentioning

confidence: 99%

Characterization and Optimization of a Collinear Array of Circularly Polarized Side-Mounted Elements

Mappatao

Tumaliuan-Jimenez

2020

IJEEI

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This paper presents the radiation characteristics of a two-element collinear array of shunt-fed, slanted dipoles side-mounted to a metallic tower. It presents the radiation characteristics of the array as commonly implemented by FM broadcasters and suggests methods on how to optimize these characteristics such as the power gain, pattern circularity, side-lobe reduction, and horizontal-vertical polarization component ratio for the array to better conform to broadcast standards. By determining these characteristics using an advance antenna simulation software, optimization variables are identified, and their optimized values are determined. The optimized values lead to improved radiation characteristics of the array in conforming with broadcast requirements. Results show that adjusting the distance between the dipoles to less than one wavelength reduces the sidelobe of the array radiation pattern; varying the dipole physical specifications improves the polarization component ratio and the circularity of the radiation pattern. However, varying the dipole specifications also reduces the gain of the array. For applications requiring higher gains, other methods of realizing high collinear array gains are recommended.

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“…Finally, in [21], used a combination of SRR, CSRR and DGS for a proposed UWB antenna received penta-bands reject for WiMAX (3.30-3.60 GHz), lower WLAN (5.150-5.350 GHz), upper WLAN (5.725-5.825 GHz), downlink of X-band satellite communication (7.0-7.40 GHz), and the uplink of X-band satellite communication (8.10-8.50 GHz) frequency bands. Many works investigated microstrip antennas design for different applications [22][23][24][25], such as in [22] a multiple circular split ring resonator (MC-SRR) were proposed using metamaterial, achieving multiple frequency bands with a good performance at different frequency bands for impedance matching, gain, and radiation patterns, that the proposed antenna seems a good candidate for using in wireless communication devices within WLAN/WiMAX applications. In [23] that investigated a band pass filter (BPF) for Ku-band application using multilayer hairpin filter, that gave a better result compared with other BPF namely, parallel coupled line filter, inter-digital filter, and combine filter, moreover with significant filter size reduction.…”

Section: Introductionmentioning

confidence: 99%

“…𝑥 ) operating at 26 GHz was propozed using dielectric resonator antenna (DRA) that fed by microstrip line through an aperture slot, receiving a high gain, and radiation efficiency about 93%. In [25]  ISSN: 1693-6930 the authors proposed an antenna array consisting of circular polarized patch of Industrial Scientific Medical (ISM) band operating at 5.8 GHz, covering the applications involving wireless power transmission especially for Rectenna. Receiving a good matching and a directive radiation pattern at the operating frequency, that suitable for high gain and circular polarization in wireless transmitting applications.…”

Section: Introductionmentioning

confidence: 99%

A compact UWB monopole antenna with penta band notched characteristics

et al. 2020

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A modified rectangular monopole ultra-wideband (UWB) antenna with penta notched frequency bands is presented. An inverted U shaped and slanted U-shaped on the radiating patch are inserted to achieve WiMAX and ARN bands rejection respectively, two mirrored summation Σ-shaped and four mirrored 5-shaped slots are inserted on the partial ground to achieve WLAN and X-band bands rejection respectively, finally rectangular shaped slot with partially open on the feed is inserted to achieve ITU-8 band rejection. The proposed antenna which was simulated has a compact size 30×35×1.6 m3. It is operated with impedance bandwidth 2.8-10.6 GHz at |S11| < −10 dB, that supported UWB bandwidth with filtering the five narrowbands that avoid the possible interference with them. The simulated resonant frequency for notched filters received 3.55, 4.55, 5.53, 7.45, 8.16 GHZ, for WiMAX, ARN, WLAN, X-Band, ITU-8 respectively. The proposed antenna is suitable for wireless communication such as mobile communication and internet of everything (IoE). Throughout this paper, CST-EM software package was used for the design implementation. Surface current distributions for all notched filters were investigated and shown that it is concentrated around the feeding point and the inserted notched slots proving that there is no radiation to the space due to maximum stored electromagnetic energy around each investigated notch slot, proving that the slots play a role of a quarter wavelength transformer which generates for each notched band, maximum gain, and radiation pattern are also investigated.

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A new configuration of patch antenna array for rectenna array applications

Cited by 4 publications

References 20 publications

Patterns of sidemount four-bay FM antenna system

Patterns of sidemount four-bay FM antenna system

Characterization and Optimization of a Collinear Array of Circularly Polarized Side-Mounted Elements

A compact UWB monopole antenna with penta band notched characteristics

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