ESPAR‐inspired mechanical beam steering antenna with high gain and wide bandwidth performance

Katare, Kranti Kumar; Biswas, Animesh; Akhtar, M. Jaleel

doi:10.1002/mop.31247

Cited by 3 publications

(3 citation statements)

References 16 publications

(21 reference statements)

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“…A combination of electrically and mechanically beam steering uses the monopole and parasitic elements to make frequency dependent far field radiation performance. An impedance matching network is utilized to feed the antenna and parasitic elements [129].…”

Section: Introductionmentioning

confidence: 99%

5G multi-element/port antenna design for wireless applications:a review

Gupta

Malviya

Charhate

2019

Int. J. Microw. Wireless Technol.

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Fifth generation (5G) is the current hot topic of the world's leading telecommunication companies. The compact designs of antennas made it possible for them to resonate at higher frequencies, thus to enable the devices to attain higher data rate as compared to 4G technology. Data rate of 5G technology for low mobility users is expected to be 50.0 Gbps and for high mobility users it is 5.0 Gbps. On the other hand, International telecommunication union's objective for 5G is 3 times more spectrally efficient thanlong-term evolution (LTE). The paper has carried out meticulous study over the impact of 5G antennas on the size of antenna, size/type of substrate, gain, efficiency, and isolation, etc. Also, different arrays andmultiple input multiple outputs (MIMOs) with patch antenna, magneto electric-dipole, microstrip grid array antenna, folded dipole, series-fed array, connected antenna array, MIMO are studied. The paper also includes the existing technology i.e 4G LTE and their isolation enhancement approaches. Many of the designs used the reflector plates to reduce the back lobe radiation problem in MIMO/array antennas to increase front-to-back ratio. The gain in 5G antennas can be increased by using balun, parasitic element as directors, multiple notch structures, three identical slot sub-arrays, etc. Mathematical equations of multi-element/port antennas are included to model the designed antennas. The beam steering is also included for the 5G technology in this paper.

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Section: Introductionmentioning

confidence: 99%

5G multi-element/port antenna design for wireless applications:a review

Gupta

Malviya

Charhate

2019

Int. J. Microw. Wireless Technol.

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“…Broadly, beam steering in these structures can be achieved either by electronically or by mechanically. The antenna in combination with parasitic elements has been facilitated beam steering in the entire azimuth plane . The beam steering in the elevation plane was obtained by utilizing an active partially reflective surface in refs.…”

Section: Introductionmentioning

confidence: 99%

“…The antenna in combination with parasitic elements has been facilitated beam steering in the entire azimuth plane. [1][2][3][4] The beam steering in the elevation plane was obtained by utilizing an active partially reflective surface in refs. 5,6.…”

Section: Introductionmentioning

confidence: 99%

A compact configuration of semicircular metasurface loaded slot antenna for beam steering application

Katare

Chandravanshi²,

Biswas

et al. 2018

Int J RF Microw Comput Aided Eng

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In this article, a compact beam steering antenna configuration is presented. The proposed structure comprises a semicircular radially gradient metasurface (SCRGM) and a slot antenna. This metasurface (MS) with the dimensions of 3.17λ02 covers only half of the antenna aperture by placing it at a height of 0.16λ0 from the slot antenna. The SCRGM is made up of four different semicircular regions, which introduce progressive phase delay to the impinging spherical electromagnetic waves from the slot antenna. The placement of the SCRGM tilts the main beam by 30° away from the normal direction. Furthermore, in‐plane movement (rotation and translation) of the SCRGM facilitates beam steering in the elevation plane (E‐plane) with the total scanning range of 60°. Moreover, in simulation, two SCRGMs are placed at both sides of antenna aperture to independently control the beam directions in both upper and lower hemispheres of the slot antenna. Due to the symmetry of the slot antenna, only one SCRGM is tested during the measurement process and the same outcome is expected for the other MS. Considerably small volume (0.50λ03) of the structure revealed compact antenna configuration. Moreover, independent control of the beam directions in both of the hemispheres makes proposed antenna a suitable candidate for various applications.

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