Twisted F-Shaped Slot Loaded UWB Printed Antenna for On-Body Application

Mol, J. Mary Suji; Florence, S. Esther; Abraham, Mary Rani

doi:10.1007/s11277-022-09471-x

Cited by 5 publications

(4 citation statements)

References 25 publications

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“…To minimize the back radiation, the capacitance of the structure has to be increased. To achieve this, a simple expression for capacitance is considered, which is shown in Equation (10). 36…”

Section: Ms Designmentioning

confidence: 99%

“…The antenna exhibits omnidirectional radiation pattern with good gain, but the transient analysis was not performed. Antenna with F‐shaped slots in the ground to achieve UWB characteristics is given in Mol et al 10 The antenna is completely suitable for on‐body communications only. Antenna reported in Chen et al 11 works in UWB range, but not in complete range.…”

Section: Introductionmentioning

confidence: 99%

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On the design and analysis of a miniaturized ultra‐wideband (UWB) antenna using quatrefoil‐shaped nonuniform meta‐surfaces for body‐centric communications

Pandi Ravichandran,

Velayudham,

Velayudham

2024

Int J Communication

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SummaryThe paper discusses about the design and analysis of a unique circular printed antenna with quatrefoil‐shaped slots and meta‐surface for body centric communications. The antenna design is progressed with a slots in quatrefoil shape carved on the patch placed on Taconic_LX substrate whose thickness is 1 mm. The footprint of the antenna is 32 × 24 × 1 mm3. The antenna's bandwidth is improved using defected ground. The proposed design operates from 2 to 14 GHz of the ultra‐wideband (UWB) spectrum, thus providing 143% bandwidth. The antenna exhibits good gain values of 2.5 and 6 dB at 2.45 and 5.8 GHz, respectively, with efficiency of 81% and 91%. At 2.45 GHz, the design proposed functions in on‐body mode, and at 5.8 GHz, it functions in off‐body mode. Specific absorption rate (SAR) analysis was carried out whose results are within the safety range of health measures. Bending analysis was also done to enhance the antenna's applicability. Path loss, fidelity, and group delay analysis are done. The simulated results were validated by fabricating and testing the prototype. On‐body testing of the fabricated antenna was also done at various body locations. The measured results were found to be in good agreement with the simulated results.

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Section: Ms Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

On the design and analysis of a miniaturized ultra‐wideband (UWB) antenna using quatrefoil‐shaped nonuniform meta‐surfaces for body‐centric communications

Pandi Ravichandran,

Velayudham,

Velayudham

2024

Int J Communication

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“…Therefore, these interference effects can be reduced with an antenna band-notch characteristic. Many trends in the design of UWB antennas have been reported in recent years [ 11 – 13 ]. However, designing flexible antennas for wearable applications requires constant innovation [ 14 ].…”

Section: Introductionmentioning

confidence: 99%

A novel UWB flexible antenna with dual notch bands for wearable biomedical devices

Geyikoglu

2023

Analog Integr Circ Sig Process

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This study presents a novel UWB flexible antenna with dual band-notched design for wearable biomedical devices. The proposed antenna is designed on Kapton Polyimide-based flexible substrate. This includes a CPW fed circular and triangle structure. The dual notched bands are realized by using two triangular-shaped spiral slots defected ground structures. The first notched band (2.4–3.7 GHz) is generated for rejecting WLAN and WiMAX, the second notch (5.15–5.725 GHz) is generated for rejecting HyperLAN/2. The designed UWB antenna has approximately a bandwith of 159% (2.05–14 GHz) in simulation. Thus, the designed UWB antenna meets FCC standards. The antenna has an omnidirectional radiation pattern with a maximum gain of 12.7 dB in 8.4 GHz. The proposed antenna is fabricated with the low-cost airbrush printed technique. In this technique, a higher gain value is obtained by controlling the thickness of the conductive layer. Effect of flexibility on the antenna performance is tested for different configurations in the simulation and anechoic chamber environments. According to the results obtained, the overall performance is not affected except for the shift in frequency. Since the antenna has a UWB structure, the frequency shift that occurs in bending is at a tolerable level. The proposed UWB antenna is suitable for wearable biomedical devices, with a high UWB performance.

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“…Therefore, these interference effects can be reduced with an antenna bandnotch characteristic. Many trends in the design of UWB antennas have been reported in recent years [11][12][13]. However, designing exible antennas for wearable applications requires constant innovation [14].…”

Section: ) Introductionmentioning

confidence: 99%

A Novel UWB Flexible Antenna with Dual Notch Bands for Wearable Biomedical Devices

Geyikoğlu

2022

Preprint

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This study presents a novel UWB flexible antenna with dual band-notched design for wearable biomedical devices. The proposed antenna is designed on Kapton Polyimide-based flexible substrate. This includes a CPW fed circular and triangle structure. The dual notched bands are realized by using two triangular-shaped defected ground structures. The first notched band (2.4−3.7 GHz) is generated for rejecting WLAN and WiMAX, the second notch (5.15-5.725 GHz) is generated for rejecting HyperLAN /2. The designed UWB antenna has approximately a bandwith of 150% (2.05-14 GHz) in simulation. Thus, the designed UWB antenna meets FCC standards. The antenna has an omnidirectional radiation pattern with a maximum gain of 12.7 dB in 8.4 GHz.The proposed antenna is fabricated with the low-cost airbrush printed technique. In this technique, a higher gain value is obtained by controlling the thickness of the conductive layer .Effect of flexibility on the antenna performance is tested for different configurations in the simulation and anechoic chamber environments. According to the results obtained, the overall performance is not affected except for the shift in frequency. Since the antenna has a UWB structure, the frequency shift that occurs in bending is at a tolerable level. The proposed UWB antenna is suitable for wearable biomedical devices, with a high UWB performance.

show abstract

Twisted F-Shaped Slot Loaded UWB Printed Antenna for On-Body Application

Cited by 5 publications

References 25 publications

On the design and analysis of a miniaturized ultra‐wideband (UWB) antenna using quatrefoil‐shaped nonuniform meta‐surfaces for body‐centric communications

On the design and analysis of a miniaturized ultra‐wideband (UWB) antenna using quatrefoil‐shaped nonuniform meta‐surfaces for body‐centric communications

A novel UWB flexible antenna with dual notch bands for wearable biomedical devices

A Novel UWB Flexible Antenna with Dual Notch Bands for Wearable Biomedical Devices

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