2-D Scanning Magnetoelectric Dipole Antenna Array Fed by RGW Butler Matrix

Ali, Mohamed Mamdouh M.; Sebak, Abdel-Razik

doi:10.1109/tap.2018.2869228

Cited by 75 publications

(41 citation statements)

References 36 publications

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“…In [26], the SIW cavity antenna array suffers from the grating lobes where the SLL is less than −6.5 dB at high frequencies, which restricts its application. In addition, for 2D beam scanning purpose, ME dipole array was fed by the RGW Butler matrix to provide stable radiation pattern and wide bandwidth [27]. However, the gain and radiation efficiency of the antenna is low compared to our work.…”

Section: Experimental and Validationmentioning

confidence: 91%

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High Gain Bow-Tie Slot Antenna Array Loaded With Grooves Based on Printed Ridge Gap Waveguide Technology

et al. 2019

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The development of wireless and satellite communication has led to a demand for highperformance microwaves and mm-wave components in terms of cost, losses, and fabrication complexity. Gap waveguide is one of the emerging technologies in 5G and mm-wave applications due to their low cost, low losses, and high power handling capability. In this paper, a groove-based wideband bow-tie slot antenna array is designed at 30 GHz based on printed ridge gap waveguide technology (PRGW). A two-section T-shaped ridge is designed to feed a bow tie slot placed on the upper ground of the PRGW. The gain of the proposed slot antenna is enhanced by using a horn-like groove. Then, the proposed high gain element is deployed to build up a 1 bow-tie slot antenna array loaded with three-layer groove antenna. The proposed antenna array is fabricated and measured, where the measured results show a −10-dB impedance bandwidth from 29.5 to 37 GHz (22%). The fabricated prototype achieves a high gain of 15.5 dBi and a radiation efficiency higher than 80% over the operating frequency bandwidth. INDEX TERMS Millimeter wave technology, periodic structure, wideband, high gain, antenna arrays.

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Section: Experimental and Validationmentioning

confidence: 91%

“…Recently, the Printed Ridge Gap Waveguide (PRGW) has drawn a lot of attention due to its low losses at mm-wave bands [22]- [27]. Although PRGW is built on a PCB, it will not be accountable for dielectric losses, as the wave is propagating inside an air gap.…”

Section: Introductionmentioning

confidence: 99%

High Gain Bow-Tie Slot Antenna Array Loaded With Grooves Based on Printed Ridge Gap Waveguide Technology

et al. 2019

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“…Recently, the magneto-electric dipole antenna has attracted much attention due to its advantageous characteristics, such as a wide impedance bandwidth, high front-to-back ratio, and low cross-polarization levels. The concept of a ME dipole antenna is based on exciting a magnetic dipole and an electric dipole simultaneously, which makes identical H-and E-planes and stable radiation patterns [18]. The ME dipole designs implemented by PRGW technology thus far in the literature have been interpreted as only one complementary source, which consists of one electric dipole and one magnetic dipole [1], [18], whereas the proposed ME dipole fed by PRGW is interpreted as two complementary sources.…”

Section: Dcs-me Dipole Antennamentioning

confidence: 99%

“…The concept of a ME dipole antenna is based on exciting a magnetic dipole and an electric dipole simultaneously, which makes identical H-and E-planes and stable radiation patterns [18]. The ME dipole designs implemented by PRGW technology thus far in the literature have been interpreted as only one complementary source, which consists of one electric dipole and one magnetic dipole [1], [18], whereas the proposed ME dipole fed by PRGW is interpreted as two complementary sources. The DCS-ME dipole antenna can achieve simultaneously a high gain and a wide impedance bandwidth.…”

Section: Dcs-me Dipole Antennamentioning

confidence: 99%

Dual Complementary Source Magneto-Electric Dipole Antenna Loaded With Split Ring Resonators

et al. 2020

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In this paper, a magneto-electric (ME) dipole antenna excited by two slots through a printed ridge gap waveguide (PRGW) is presented. This antenna, which operates in the Ka-band, is considered as a dual complementary source (DCS), and exhibits a higher gain and a wider impedance bandwidth, compared to conventional ME dipoles. The proposed antenna has an impedance matching bandwidth with |S 11 | < −10 dB from 24.5 to 40 GHz with a stable gain of 10±1 dBi over the 25-35 GHz band. Moreover, by integrating horizontally three layers, each with an array of 4 × 10 split-ring resonator (SRR) unit cells on top of the DCS-ME dipole antenna, the realized gain is increased while maintaining the impedance bandwidth of the antenna. The antenna was fabricated and measured to confirm the simulation results. The fabricated prototype has a size of 1.1 × 1 × 0.58 λ 3 (at 30 GHz) and exhibits a measured impedance bandwidth in excess of 50%, from 24 to 40 GHz, a maximum measured gain of 14.2 dBi at 35 GHz, and a measured radiation efficiency of 93% at 30 GHz. INDEX TERMS 5G wireless networks, high gain magneto-electric dipole antenna, millimeter-wave antennas, printed ridge gap waveguide (PRGW), split-ring resonator (SRR).

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“…Beam switchable antenna has been widely concerned and studied due to its ability of directional radiation and beam tracking, which can expand the coverage of wireless signals while obtaining high gain. The existing beam-switchable antennas can be approximately summed up in four categories: (a) phased array antennas [1][2][3][4][5] ; (b) liquid metal antennas [6][7][8] ; (c) beam-switchable antennas based on AFSS (active frequency selective surface) [9][10][11][12][13] ; (d) parasitic antennas, such as pixel antennas [14][15][16] and electronically controlled quasi-Yagi array (ECQYA) antennas. [17][18][19][20][21][22] Although all the above methods can achieve beam steering, the ECQYA antennas have the advantages of low cost, pattern agility, and simple structure.…”

Section: Introductionmentioning

confidence: 99%

Reconfigurable dipole antenna array with shared parasitic elements for 360° beam steering

Chang

Chu

2020

Int J RF Microw Comput Aided Eng

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Different from the traditional reconfigurable antennas, in which PIN diodes are just used as switches, a novel method for achieving the reactance tuning is proposed, in which the impedance characteristics of the PIN diode in different working states are used to realize elements sharing. The mechanism of element sharing is explained by mathematical analysis, firstly. Then, the novel method of realizing element sharing based on the impedance characteristics of PIN diode is explained. By this way, reactance tuning can be easily achieved using PIN diode. Finally, a 360 beam switchable dipole antenna array is designed to illustrate the feasibility of the proposed method. The results show that gains of 7.8 dBi, and FBRs (front-to-back ratios) of greater than 19 dB are achieved by the proposed antenna. In particular, the maximum gain drop of the proposed antenna is less than 0.72 dB when switching between different working modes.

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2-D Scanning Magnetoelectric Dipole Antenna Array Fed by RGW Butler Matrix

Cited by 75 publications

References 36 publications

High Gain Bow-Tie Slot Antenna Array Loaded With Grooves Based on Printed Ridge Gap Waveguide Technology

High Gain Bow-Tie Slot Antenna Array Loaded With Grooves Based on Printed Ridge Gap Waveguide Technology

Dual Complementary Source Magneto-Electric Dipole Antenna Loaded With Split Ring Resonators

Reconfigurable dipole antenna array with shared parasitic elements for 360° beam steering

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