Dual-band WLAN button antenna for both on and off-body applications

Hu, Xiaomu; Yan, Sen; Zhang, Jiahao; Vandenbosch, Guy A. E.

doi:10.23919/eucap.2017.7928470

Cited by 3 publications

(4 citation statements)

References 9 publications

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“…Antenna resonance and radiation performance seems to be slightly affected by the presence of the human body due to the large ground plane. Similar work has been presented in [ 20 ]. In [ 19 ], a dual-band dual-mode E-shaped button antenna has been presented for body-centric applications.…”

Section: Clothing Components In Wearable Textile Antennassupporting

confidence: 72%

“…Furthermore, various research works have developed dual-band antennas (2.4 GHz and 5 GHz) [ 15 , 16 ] for on- [ 17 ] and for off-body operation [ 18 , 19 , 20 ] following almost standard jeans-shaped buttons [ 21 ]. In [ 15 ], a dual-band antenna has been developed for wearable WLAN applications.…”

Section: Clothing Components In Wearable Textile Antennasmentioning

confidence: 99%

“…A lot of research works have successfully presented simulations and measurements of SAR. In [ 14 , 18 , 20 , 46 , 124 ] simulation models for calculating SAR values are presented. Specifically, in wearable antenna design simulations, a numerical tissue model needs to be applied to evaluate SAR results.…”

Section: Experimental Evaluationmentioning

confidence: 99%

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A Review of Clothing Components in the Development of Wearable Textile Antennas: Design and Experimental Procedure

Tsolis

Bakogianni

Angelaki

et al. 2023

Sensors

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Wearable antenna systems have attracted significant research efforts during the last decade and a rich pool of review papers can be found in the literature. Each scientific work contributes to various fields of wearable technology focusing, mainly, on constructing materials, manufacturing techniques, targeting applications, and miniaturization methods. In this review paper, we examine the use of clothing components in wearable antenna technology. By the term “clothing components” (CC), dressmaking accessories/materials such as buttons, snap-on buttons, Velcro tapes, or zips are considered. In light of their utilization in the development of wearable antennas, the clothing components can play a triple role: (i) that of a clothing item, (ii) that of an antenna part or the main radiator, and (iii) that of an integration means of the antennas into clothes. One of their advantages is that they consist of conductive elements, integrated into the clothes, which can be effectively exploited as operating parts of wearable antennas. This review paper includes classification and description of the clothing components used so far in the development of wearable textile antennas with an emphasis on designs, applications and performance. Furthermore, a step-by-step design procedure for textile antennas that use clothing components as a functional part of their configuration is recorded, reviewed, and described in detail. The design procedure takes into account the detailed geometrical models required for the clothing components and the way they are embedded into the wearable antenna structure. In addition to the design procedure, aspects of experimental procedures (parameters, scenarios, and processes) that should be followed in wearable textile antennas with an emphasis on antennas that use clothing components (e.g., repeatability measurements) are presented. Finally, the potential of textile technology through the application of clothing components into wearable antennas is outlined.

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Section: Clothing Components In Wearable Textile Antennassupporting

confidence: 72%

Section: Clothing Components In Wearable Textile Antennasmentioning

confidence: 99%

See 1 more Smart Citation

A Review of Clothing Components in the Development of Wearable Textile Antennas: Design and Experimental Procedure

Tsolis

Bakogianni

Angelaki

et al. 2023

Sensors

View full text Add to dashboard Cite

show abstract

“…Some research activities are focused on the characterization and stability of the substrate as well as sensor antenna performance variations due to the tolerances in their substrate. Other investigations focus on the human body’s influence on the sensor antenna’s performance as well as the safety and power limitations [ 14 , 15 , 16 , 17 , 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Design and Evaluation of a Button Sensor Antenna for On-Body Monitoring Activity in Healthcare Applications

et al. 2022

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A button sensor antenna for on-body monitoring in wireless body area network (WBAN) systems is presented. Due to the close coupling between the sensor antenna and the human body, it is highly challenging to design sensor antenna devices. In this paper, a mechanically robust system is proposed that integrates a dual-band button antenna with a wireless sensor module designed on a printed circuit board (PCB). The system features a small footprint and has good radiation characteristics and efficiency. This was fabricated, and the measured and simulated results are in good agreement. The design offers a wide range of omnidirectional radiation patterns in free space, with a reflection coefficient (S11) of −29.30 (−30.97) dB, a maximum gain of 1.75 (5.65) dBi, and radiation efficiency of 71.91 (92.51)% in the lower and upper bands, respectively. S11 reaches −23.07 (−27.07) dB and −30.76 (−31.12) dB, respectively, with a gain of 2.09 (6.70) dBi and 2.16 (5.67) dBi, and radiation efficiency of 65.12 (81.63)% and 75.00 (85.00)%, when located on the body for the lower and upper bands, respectively. The performance is minimally affected by bending, movement, and fabrication tolerances. The specific absorption rate (SAR) values are below the regulatory limitations for the spatial average over 1 g (1.6 W/Kg) and 10 g of tissues (2.0 W/Kg). For both indoor and outdoor conditions, experimental results of the range tests confirm the coverage of up to 40 m.

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Dual-Band Open Metal Waveguide Slot Antennas

Veremey

2019

2019 49th European Microwave Conference (EuMC)

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Dual-band WLAN button antenna for both on and off-body applications

Cited by 3 publications

References 9 publications

A Review of Clothing Components in the Development of Wearable Textile Antennas: Design and Experimental Procedure

A Review of Clothing Components in the Development of Wearable Textile Antennas: Design and Experimental Procedure

Design and Evaluation of a Button Sensor Antenna for On-Body Monitoring Activity in Healthcare Applications

Dual-Band Open Metal Waveguide Slot Antennas

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