Technique for minimising the effects of ground plane on planar ultra-wideband monopole antennas

Lu, Yang; Huang, Yi; Chattha, Hassan Tariq; Shen, Yaochun

doi:10.1049/iet-map.2011.0453

Cited by 14 publications

(17 citation statements)

References 22 publications

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“…Microstrip [8][9][10][11][12][13] and coplanar waveguide [14][15][16][17][18] structures are generally employed for feeding PPMAs. Even though various geometries have been used for the radiating patch in different applications [11,12,15,17], tapered geometries are frequently used to obtain wide bandwidth, almost constant gain and group delay.…”

Section: Antenna Designs Results and Comparisonsmentioning

confidence: 99%

“…As seen from the figure, the computed operating bandwidth is between 2 and 12.5 GHz, and the measured one is between 2.37 and 12 GHz (5:1) which covers WLAN, WiMAX, UWB, and X-Band. Implementation of proper slots having specific locations on an antenna is generally used for the excitation of additional operating frequencies [14,18], band stopping [10,12,[15][16][17]19], antenna miniaturization [9], gain, and bandwidth enhancements [8,11,13]. Therefore, slots are employed on PPMA 1 to include GPS, as well, and the resulting antenna is called PPMA 2.…”

Section: Antenna Designs Results and Comparisonsmentioning

confidence: 99%

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Wideband planar monopole antennas for GPS/WLAN/WiMAX/UWB and X‐band applications

Bozdağ

Kustepeli

2015

Micro & Optical Tech Letters

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In this article, two printed planar monopole antennas (PPMA) are presented. In the design of the first PPMA, the structure is divided into sections and they are optimized in the sense of bottom to up strategy. Tapered transitions and inset feed are employed to increase the bandwidth. The antenna operates between 2.37 GHz and 12 GHz with VSWR<2 and an average peak realized gain of 4.95 dB. Therefore, it is suitable for WLAN, WiMAX, UWB, and X-Band applications. The second PPMA is designed by implementing slots on the previous one to include GPS. The resulting antenna operates in the 1.38-1.60 GHz and 2.33-13.74 GHz bands with VSWR<2. As a result, it also includes GPS in addition to the previous bands. The peak realized gain in GPS is 0.47 dB at 1.575 GHz and the average peak realized gain is 4.41 dB for the 2.33-13.74 GHz band. The group delay performances of the proposed PPMAs are also examined and the maximum group delay deviations of the first and the second PPMAs are observed as 1 ns and 1.33 ns, respectively. V C 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:257-261, 2016; View this article online at wileyonlinelibrary.com.

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Section: Antenna Designs Results and Comparisonsmentioning

confidence: 99%

Section: Antenna Designs Results and Comparisonsmentioning

confidence: 99%

Wideband planar monopole antennas for GPS/WLAN/WiMAX/UWB and X‐band applications

Bozdağ

Kustepeli

2015

Micro & Optical Tech Letters

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“…Microstrip [9][10][11][12][13][14] and coplanar waveguide [15][16][17][18][19][20] structures are generally employed for feeding PPMAs. Even though various geometries have been used for the radiating patch in different applications [12,13,16,18], tapered geometries are frequently used in order to obtain wide bandwidth, almost constant gain and group delay.…”

Section: Antenna Designs Results and Comparisonsmentioning

confidence: 99%

“…Implementation of proper slots having specific locations on an antenna is generally used for the excitation of additional operating frequencies [15,18,19,26], band stopping [11,13,16,17,20,21], antenna miniaturization [10,26], gain and bandwidth enhancements [9,12,14]. Therefore, slots are employed on preliminary PPMA in order to cover PCS and to suppress Bluetooth, WLAN (2.45 GHz) and WiMAX (2.4 and 2.5 GHz) and thus to obtain final design, the proposed PPMA.…”

Section: Antenna Designs Results and Comparisonsmentioning

confidence: 99%

Wideband Printed Planar Monopole Antenna for Pcs, Uwb and X-Band Applications

Bozdağ¹,

Kustepeli²

2015

PIER C

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Abstract-In this paper, a printed planar monopole antenna (PPMA) is presented for PCS, UWB and X-band. The antenna is designed in two stages. In the design of the preliminary PPMA used to obtain the proposed PPMA, the structure is divided into sections, and they are optimized in the sense of bottom to up strategy. The bandwidth is enhanced by employing tapered transitions and inset feed. The resulting antenna operates between 2.37 GHz and 12 GHz with VSWR < 2 and an average peak realized gain of 4.95 dB. Therefore, the preliminary antenna can be considered to be suitable for Bluetooth, WLAN, WiMAX, UWB and X-band. The proposed PPMA is designed by implementing slots on the preliminary PPMA to include PCS, and to suppress Bluetooth and commonly used WLAN and WiMAX bands, the ones allocated out of UWB. The proposed antenna operates in the 1.67 GHz-1.91 GHz and 3 GHz-15 GHz bands with VSWR < 2. The peak realized gain (G pr ) in PCS is 1.32 dB at 1.8 GHz, and the average G pr is 5 dB for the 3 GHz-15 GHz band. The group delay performances are also examined, and the maximum group delay deviations of preliminary and proposed PPMAs are observed as 1 ns and 1.25 ns, respectively.

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“…The Theory of Characteristic Modes (TCM) originally proposed by Garbacz [8] and later refined by Harrington [9] analyses the modal behaviour of antennas in order to provide more physical interpretation of the radiation phenomena taking place on the structure. TCM has also been used successfully for the design and analysis of various wire and planar antennas [12,13]. In this paper TCM is used to provide physical insight into the radiating behaviour of a printed UWB planar monopole antenna, with an aim for performance improvement over a wideband of frequencies.…”

Section: Introductionmentioning

confidence: 99%

Design of a UWB printed G-shaped monopole antenna using characteristic modes

Gozasht

Mohan

2014

2014 International Workshop on Antenna Technology: Small Antennas, Novel EM Structures and Materials, and Applications (iWAT)

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Abstract-This paper presents a novel G-shaped compact monopole UWB antenna printed on FR4 substrate with coplanar waveguide (CPW) feeding. The proposed antenna operates over the frequency band between 3 and 11 GHz offering a fractional impedance bandwidth of around 110 %. The antenna is designed by analysing the modal currents calculated using the characteristic mode theory. Experimental results on reflection coefficient agree well with simulations and the proposed antenna has a desirable gain and radiation pattern characteristics over the ultra-wideband frequency range. The overall dimensions of the antenna are 28 × 35 × 1.6 mm 3 which makes it a good candidate for many ultra-wide-band radio applications.

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Technique for minimising the effects of ground plane on planar ultra-wideband monopole antennas

Cited by 14 publications

References 22 publications

Wideband planar monopole antennas for GPS/WLAN/WiMAX/UWB and X‐band applications

Wideband planar monopole antennas for GPS/WLAN/WiMAX/UWB and X‐band applications

Wideband Printed Planar Monopole Antenna for Pcs, Uwb and X-Band Applications

Design of a UWB printed G-shaped monopole antenna using characteristic modes

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