Arc-Shaped Strip in Radiating Patch with Rectangular Stubbed Ground Plane for Wideband Applications

Iram Nadeem; Sadeque Reza Khan

doi:10.3103/S0735272719100030

Arc-Shaped Strip in Radiating Patch with Rectangular Stubbed Ground Plane for Wideband Applications

Iram Nadeem, Sadeque Reza Khan

Research output: Contribution to journal › Article

Abstract

A printed planar antenna having compact dimensions of 0.35×0.25λ, mm² and fed by a microstrip line for wideband applications is presented. The proposed antenna consists of a radiating patch, a new arc-shaped strip, microstrip feed line, and a rectangular stub loaded ground plane. Furthermore, the ground plane of the fundamental radiator is modified to improve the voltage standing wave ratio (VSWR) bandwidth. A rectangular stub is added inside the ground plane to provide the bandwidth to suit the modern automotive requirements. We have analyzed the proposed antenna in terms of VSWR, reflection loss, gain, radiation pattern, and the housing effect. The measured results indicate that the antenna achieves a wide useable fractional bandwidth ratio of 129% at VSWR ≤ 2, ranging from 4.8 to 21.7 GHz. A measured bandwidth of 119% at VSWR ≤ 1.5 (5.5–20.9 GHz) is obtained. Stable quasi-omnidirectional radiation patterns with an acceptable gain of 4.87 dBi are achieved.

Original language	English
Pages (from-to)	510-519
Number of pages	10
Journal	Radioelectronics and Communications Systems
Volume	62
Issue number	10
DOIs	https://doi.org/10.3103/S0735272719100030
Publication status	Published - 17 Dec 2019

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.3103/S0735272719100030

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Nadeem, I., & Khan, S. R. (2019). Arc-Shaped Strip in Radiating Patch with Rectangular Stubbed Ground Plane for Wideband Applications. Radioelectronics and Communications Systems, 62(10), 510-519. https://doi.org/10.3103/S0735272719100030

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abstract = "A printed planar antenna having compact dimensions of 0.35×0.25λ, mm2 and fed by a microstrip line for wideband applications is presented. The proposed antenna consists of a radiating patch, a new arc-shaped strip, microstrip feed line, and a rectangular stub loaded ground plane. Furthermore, the ground plane of the fundamental radiator is modified to improve the voltage standing wave ratio (VSWR) bandwidth. A rectangular stub is added inside the ground plane to provide the bandwidth to suit the modern automotive requirements. We have analyzed the proposed antenna in terms of VSWR, reflection loss, gain, radiation pattern, and the housing effect. The measured results indicate that the antenna achieves a wide useable fractional bandwidth ratio of 129% at VSWR ≤ 2, ranging from 4.8 to 21.7 GHz. A measured bandwidth of 119% at VSWR ≤ 1.5 (5.5–20.9 GHz) is obtained. Stable quasi-omnidirectional radiation patterns with an acceptable gain of 4.87 dBi are achieved.",

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N2 - A printed planar antenna having compact dimensions of 0.35×0.25λ, mm2 and fed by a microstrip line for wideband applications is presented. The proposed antenna consists of a radiating patch, a new arc-shaped strip, microstrip feed line, and a rectangular stub loaded ground plane. Furthermore, the ground plane of the fundamental radiator is modified to improve the voltage standing wave ratio (VSWR) bandwidth. A rectangular stub is added inside the ground plane to provide the bandwidth to suit the modern automotive requirements. We have analyzed the proposed antenna in terms of VSWR, reflection loss, gain, radiation pattern, and the housing effect. The measured results indicate that the antenna achieves a wide useable fractional bandwidth ratio of 129% at VSWR ≤ 2, ranging from 4.8 to 21.7 GHz. A measured bandwidth of 119% at VSWR ≤ 1.5 (5.5–20.9 GHz) is obtained. Stable quasi-omnidirectional radiation patterns with an acceptable gain of 4.87 dBi are achieved.

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