CPW-Fed Monopole Antenna for Multiple System Integration

Wang, Chien-Jen; Hsiao, Kai-Lung

doi:10.1109/tap.2013.2290551

Cited by 76 publications

(46 citation statements)

References 12 publications

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“…According to the measurements, the average gains are about 1.54 dBi for 2.4 GHz band, 1.92 dBi for 3.5 GHz band, and 2.38 dBi for 5.8 GHz band, respectively. The gains of the proposed antenna are a little lower than those CPW-fed antennas in [6][7][8], which are mainly due to the single lateral ground plane structure and the compact size. However, the gains are still reasonable, which makes it suitable for the practical applications.…”

Section: Resultsmentioning

confidence: 99%

“…Therefore, a considerable amount of research and approach have been devoted to achieve WLAN and WiMAX applications [1][2][3][4][5][6][7][8][9][10][11][12]. For example, a three strips monopole antenna [1], a L-slot antenna with a slit and a strip [2], a defected ground structure (DGS) antenna [3], a inverted-F antenna [4], and a printed omni-directional antenna [5].…”

Section: Introductionmentioning

confidence: 99%

“…However, the antennas mentioned above have either complex structure or large size, which are not suitable for the portable wireless terminals with limited space. The coplanar waveguide (CPW)-fed antennas appear more promising owing to their many attractive characteristics [6][7][8]. However, the CPW-fed antenna occupies a large ground plane, which possibly limits the integration level of the future wireless communication system.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Compact Tri-Band Planar Monopole Antenna With Acs-Fed Structure

Chen¹,

Luo²,

Zhang³

2014

PIER Letters

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Abstract-In this paper, a compact asymmetric coplanar strip (ACS)-fed printed monopole antenna for tri-band WLAN/WiMAX applications is presented. The proposed antenna is composed of a simple monopole with the high resonant mode at 5.8GHz, an open-ended slot embedded on the ground plane with the low resonant mode at 2.4 GHz, and a meander trip shorted to the ground with the middle resonant mode at 3.5 GHz. The three resonance frequencies of the antenna can be controlled by adjusting the geometries and the sizes of the monopole, the slot and the strip. The antenna occupies a very compact size of 22 × 12 mm 2 including the ground plane, has nearly omnidirectional radiation characteristics and reasonable gain in the operating bands. The simple feeding structure, compactness and uniplanar design make it easy to be integrated within the portable device for wireless communication.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Compact Tri-Band Planar Monopole Antenna With Acs-Fed Structure

Chen¹,

Luo²,

Zhang³

2014

PIER Letters

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“…It is seen that the radiation patterns of the proposed antenna are monopole-like. Some studies about the circularly polarized monopole antenna have been presented [9][10][11][12]. In 2008, we added an inverted-L sleeve at the ground plane of the C-like monopole, and the CP excites [9].…”

Section: Introductionmentioning

confidence: 99%

“…By utilizing a two-loop technology with an asymmetrical feeding structure, the antenna can not only provide the wide impedance bandwidth, but the AR bandwidth also reaches about 12%. In 2014, a CPW-fed circularly polarized monopole antenna for multiple system integration has been developed [12]. To excite the CP at 1.57 GHz, an asymmetrical ground plane was used.…”

Section: Introductionmentioning

confidence: 99%

A CPW-Fed Microstrip Fork-Shaped Antenna With Dual-Band Circular Polarization

Wang¹,

Cheng²

2016

PIER C

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Abstract-This paper presents a microstrip wideband antenna and its utilization in integration of multiple wireless communication systems. A simple fork-like strip antenna, fed by a coplanar-waveguide (CPW) transmission line, is designed to excite a right-hand circularly polarized wave at 1.57 GHz. A rectangular patch is added at the end of one prong to enhance the circular polarization performance. By modifying the geometry of the ground plane, a left-hand circularly polarized wave is excited at 2.33 GHz, and the wideband frequency response is derived. To reduce the lower resonant frequency, a stub is added at the left side of the ground plane. The measured impedance bandwidth of reflection coefficients (S 11 ) < −10 dB ranges from 1.49 to 2.92 GHz, which satisfies the system bandwidths of most of commercial wireless communication systems. The 3-dB axial-ratio bandwidths are approximately 40 MHz at the lower band (1.57 GHz) and 290 MHz at the upper band (2.33 GHz).

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A compact inverted Y‐shaped circularly polarized wideband monopole antenna with open loop

Dhara

Kundu

2020

Engineering Reports

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This article presents a novel, compact, single feed circularly polarized (CP) microstrip antenna. Proposed design involve an inverted Y-shaped radiating patch fed by an L-shaped microstrip line feed and a rectangular open-loop placed near its right corner. A semi-rectangular ground plane is used on the opposite side of the substrate. Coupling between the rectangular open-loop and the inverted Y-shaped patch plays a vital role in attaining wideband CP, while the semi-rectangular ground plane is crucial for enhancing impedance bandwidth (IBW). The optimized design achieved measured wide IBW of 5.164 GHz (65.53%, spanning over 5.297-10.461 GHz) having its center frequency (f rc ) at 7.878 GHz. The corresponding measured axial ratio bandwidth (ARBW) obtained inside the measured IBW curve is 2.25 GHz (having its center CP resonating frequency f cp 7.52 GHz, spanning over 6.40-8.65 GHz, 29.92%). Measurement results are validated in both Ansys Electronics Desktop 2020 R1 and CST Microwave Studio 2018. Proposed antenna is fabricated on FR-4 epoxy substrate of 1.6 mm thickness and exhibits a very small footprint of just 400 mm 2 (20 × 20 mm 2 ) (size 0.58λ mgL × 0.58λ mgL × 0.046λ mgL , where λ mgL is the measured guided wavelength at lower resonating frequency f mrL = 5.297 GHz) with 51.31% reduction in size. Measured maximum peak gain for the impedance band is 2.04 dBi at 8.8 GHz and 1.96 dBi at f cp 7.52 GHz. The structure of the proposed antenna is extremely simple, quite small in size and its CP bands can be suitable for some C-band and ITU (International Telecommunication Union)-8 GHz application. K E Y W O R D Saxial ratio bandwidth, circular polarization, impedance bandwidth, ITU (8 GHz) band INTRODUCTIONIn recent times, demand for small Form Factor strategies used in wireless systems, is leading to design of many novel, compact, low-cost, broadband microstrip antennas. 1 Circular polarization has become one of the most sought after methods of polarization due to its considerable insulation to multipath interferences, sturdiness to polarization mismatchesThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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CPW-Fed Monopole Antenna for Multiple System Integration

Cited by 76 publications

References 12 publications

Compact Tri-Band Planar Monopole Antenna With Acs-Fed Structure

Compact Tri-Band Planar Monopole Antenna With Acs-Fed Structure

A CPW-Fed Microstrip Fork-Shaped Antenna With Dual-Band Circular Polarization

A compact inverted Y‐shaped circularly polarized wideband monopole antenna with open loop

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