A Multiband Slot Antenna loaded with Stubs for WLAN/WiMAX/Satellite TV Applications

Khan, Imran; Ali, Tanweer; Devanagavi, Geetha D.; Sudhindra, K. R.; Biradar, Rajashekhar C.

doi:10.7716/aem.v7i5.791

Cited by 22 publications

(4 citation statements)

References 17 publications

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“…These 5G networks are attractive source of radio frequency energy as the transmitting antennas are large arrays with densely located base stations providing improved coverage of energy. Additionally the mmWave frequency band is e cient compared to the currently existing sub 6 GHz mobile cellular networks [7].…”

Section: Introductionmentioning

confidence: 99%

WITHDRAWN: Design and Implementation of Wearable Microstrip Fabric Antenna for RF Energy Harvesting

Kumar

Madhavan

2021

Preprint

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In 5G network, the key parts are millimeter wave band (mmWave band) involving 26 GHz & 28 GHz which aims to solve issues related to traffic using its wide bandwidth. Features of 5G such as transmitters with high directivity, wide bandwidth and base station with high density project it as a promising source of RF energy harvesting. In order to harvest RF power from the full spectrum in an efficient way, broadband antenna design is demanded. This paper focuses on designing wearable microstrip fabric antenna operating in 5G spectrum at 26 GHz & 28 GHz for RF energy harvesting. Impedance bandwidth of the antenna is about 20 GHz to 30 GHz exhibiting omnidirectional pattern of radiation with on-body gain with a peak value of 7 dB making it suitable for harvesting RF energy. On body radiation efficiency & off body radiation efficiency are obtained as 40% and 60% when operating in the frequency range of 24 GHz & 30 GHz. In mmWave band, dielectric characterization of a two line fabric substrate microstrip antenna is obtained. Fabrication of the antenna is done using polyimide copper laminates etched with ultra thin size 150 µm on a woven polyester substrate of 310 µm thickness. Improved gain and stable bandwidth are achieved from the proposed antenna design when demonstrated in human proximity providing high robustness.

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Section: Introductionmentioning

confidence: 99%

WITHDRAWN: Design and Implementation of Wearable Microstrip Fabric Antenna for RF Energy Harvesting

Kumar

Madhavan

2021

Preprint

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“…The demand for the creation of an automobile antenna for LTE and 5G communication bands has risen drastically as part of the connected car system [2]. A number of strategies for achieving multiband antenna configuration have been proposed in the literature, including slots [3][4][5][6][7], fractals [8], arrays [9], and so on. Different substrate materials have been studied to investigate the effect of dielectric material on antenna performance.…”

Section: Introductionmentioning

confidence: 99%

Analysis of C-shape Slotted MSPA for 5G Sub Band Applications on Three Different Substrates

Nagaraju,

Sachina,

Khan

et al. 2022

International Journal of Electronics and Telecommunications

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A comparative analysis of a compact planar Square patch Microstrip Multiband antenna on three different substrates is proposed. The proposed design has a C-shaped slot etched on the square radiating part and the antenna is energized using microstrip feed line. RT Duroid (𝜺 𝒓 = 𝟐. 𝟐), Taconic (𝜺 𝒓 = 𝟑. 𝟐) and FR4 (𝜺 𝒓 = 𝟒. 𝟒) substrates are used for simulation analysis. The flow of current is modified by the C-shaped slot making the antenna to resonate at 3/4 and 6 bands for RT Duroid/Taconic and FR4 substrates respectively suitable for 5G sub GHz applications. The antenna has a compact dimension of 𝟑𝟐 × 𝟑𝟐 × 𝟏. 𝟔𝒎𝒎 𝟑 and exhibits a return loss, S11 of less than -10dB for all the resonating frequencies for all three substrates. The analysis has been done by considering the S11 (Return loss <-10 dB), Directivity, Antenna Gain, VSWR and surface current distribution.Table II provides the comparison of parameters for different substrate material.

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“…substrate. A Thick substrate with lesser dielectric constant increment the bandwidth and antenna proficiency yet, but this will build the measure of energy caught in the substrate, then again, thin substrate with higher dielectric constant diminishes antenna size [2][3]. The transmission limit of the antenna can be controlled by using the dielectric permittivity of the material and patch estimations [4].…”

Section: Introductionmentioning

confidence: 99%

International Journal of Electronics and Telecommunications

Khan

Devanagavi

Sudhindra³

et al. 2019

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A compact Sierpinski Carpet square fractal multiband antenna operating at 3.9 (WiMAX) /6.6 (Satellite TV) /8.1/10.7/11.8 GHz (X-band) is presented. The proposed Microstrip Patch Antenna (MSPA) consists of a Sierpinski Carpet square fractal radiator in which square slots are etched out and a tapered microstrip feed line. The Sierpinski Carpet square fractal patch modifies the current resonant path thereby making the antenna to operate at five useful bands. Impedance matching at these bands are solely achieved by using Sierpinski square slot and tapered feedline, thus eliminating the need of any external matching circuit. The dimensions of the compact antenna is 𝟑𝟐 × 𝟑𝟐 × 𝟏. 𝟔 𝒎𝒎 𝟑 and exhibits S11<-10dB bandwidth of about 4.8% (4.01-3.82 GHz), 2.1% (6.62-6.48 GHz), 2.7% (8.24-8.02 GHz), 2.1% (10.77-10.54 GHz) and 21% (12.1-11.60 GHz) with the gain of 7.57/3.91/3.77/6.74/1.33 dB at the operating frequencies 3.9/6.6/8.1/10.7 and 11.8 GHz, respectively under simulation analysis carried out by using HFSS v.13.0.

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A Multiband Slot Antenna loaded with Stubs for WLAN/WiMAX/Satellite TV Applications

Cited by 22 publications

References 17 publications

WITHDRAWN: Design and Implementation of Wearable Microstrip Fabric Antenna for RF Energy Harvesting

WITHDRAWN: Design and Implementation of Wearable Microstrip Fabric Antenna for RF Energy Harvesting

Analysis of C-shape Slotted MSPA for 5G Sub Band Applications on Three Different Substrates

International Journal of Electronics and Telecommunications

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