Wearable Ultra Wide Dual Band Flexible Textile Antenna for WiMax/WLAN Application

Singh, Vinod Kumar; Dhupkariya, Seema; Bangari, Naresh

doi:10.1007/s11277-016-3814-7

Cited by 57 publications

(16 citation statements)

References 18 publications

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“…In another study [ 140 ], a wearable textile logo antenna was proposed that was designed for military applications operating at the ISM band. In the literature, many other flexible antennas were reported for on-body applications that fall in the ISM frequency band [ 141 , 142 , 143 , 144 , 145 ].…”

Section: Applications Of Flexible Antennas Under Different Frequenmentioning

confidence: 99%

Flexible Antennas: A Review

et al. 2020

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The field of flexible antennas is witnessing an exponential growth due to the demand for wearable devices, Internet of Things (IoT) framework, point of care devices, personalized medicine platform, 5G technology, wireless sensor networks, and communication devices with a smaller form factor to name a few. The choice of non-rigid antennas is application specific and depends on the type of substrate, materials used, processing techniques, antenna performance, and the surrounding environment. There are numerous design innovations, new materials and material properties, intriguing fabrication methods, and niche applications. This review article focuses on the need for flexible antennas, materials, and processes used for fabricating the antennas, various material properties influencing antenna performance, and specific biomedical applications accompanied by the design considerations. After a comprehensive treatment of the above-mentioned topics, the article will focus on inherent challenges and future prospects of flexible antennas. Finally, an insight into the application of flexible antenna on future wireless solutions is discussed.

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Section: Applications Of Flexible Antennas Under Different Frequenmentioning

confidence: 99%

Flexible Antennas: A Review

et al. 2020

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“…The performance of wearable antennas [42][43][44][45][46] with different geometry (compare column 1 of Table 8) has been presented in Table 8. The reported wearable antennas have been fabricated over jeans fabric.…”

Section: Wearable Antennasmentioning

confidence: 99%

“…The reported wearable antennas have been fabricated over jeans fabric. The wearable antennas [42,46] have been designed for single ultra-wide band applications with a bandwidth of 13.08 and 8.64 GHz, respectively, while the antenna mentioned in [43] has been designed for dual ultra-wide band applications with a bandwidth of 2.29 and 4.23 GHz band. However, the concept of partial ground has been introduced in the antenna mentioned in [43].…”

Section: Wearable Antennasmentioning

confidence: 99%

“…The wearable antennas [42,46] have been designed for single ultra-wide band applications with a bandwidth of 13.08 and 8.64 GHz, respectively, while the antenna mentioned in [43] has been designed for dual ultra-wide band applications with a bandwidth of 2.29 and 4.23 GHz band. However, the concept of partial ground has been introduced in the antenna mentioned in [43]. The antennas mentioned in [44,45] show circularly polarized behavior after using defected ground structure (DGS).…”

Section: Wearable Antennasmentioning

confidence: 99%

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A review on microstrip patch antenna parameters of different geometry and bandwidth enhancement techniques

Mishra

Verma

Yashwanth

et al. 2021

Int. J. Microw. Wireless Technol.

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This paper presents a comprehensive review of symmetrically shaped antennas in terms of antenna size, dielectric materials, resonating band, peak gain, radiation pattern, simulating tools, and their applications. In this article, flower shape, leaf shape, tree shape, fan shape, Pi shape, butterfly shape, bat shape, wearable, multiband, monopole, and fractal antennas are discussed. Further, a survey of previously reported bandwidth enhancement techniques of microstrip patch antenna like introduction of thick and lower permittivity substrate, multilayer substrate, parasitic elements, slots and notches, shorting wall, shorting pin, defected ground structure, metamaterial-based split ring resonator structure, fractal geometry, and composite right-hand/left-handed transmission line approach is presented. The physics of these techniques has been discussed in detail which is supported by circuit theory model approach.

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“…These measurements include the specific absorption rate (SAR) analysis, humidity, bending effect, thermal and robustness test, which is not often used in other conventional antennas applications. The UWB antennas, designed with fabric like jeans and cotton or perforated plastic as a substrate, can be used as a wearable device on the human body due to its low effect on the human body [22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Wireless Body Area Networks: UWB Wearable Textile Antenna for Telemedicine and Mobile Health Systems

Yadav¹,

Singh

Bhoi

et al. 2020

Micromachines

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A compact textile ultra-wideband (UWB) antenna with an electrical dimension of 0.24λo × 0.24λo × 0.009λo with microstrip line feed at lower edge and a frequency of operation of 2.96 GHz is proposed for UWB application. The analytical investigation using circuit theory concepts and the cavity model of the antenna is presented to validate the design. The main contribution of this paper is to propose a wearable antenna with wide impedance bandwidth of 118.68 % (2.96–11.6 GHz) applicable for UWB range of 3.1 to 10.6 GHz. The results present a maximum gain of 5.47 dBi at 7.3 GHz frequency. Moreover, this antenna exhibits Omni and quasi-Omni radiation patterns at various frequencies (4 GHz, 7 GHz and 10 GHz) for short-distance communication. The cutting notch and slot on the patch, and its effect on the antenna impedance to increase performance through current distribution is also presented. The time-domain characteristic of the proposed antenna is also discussed for the analysis of the pulse distortion phenomena. A constant group delay less than 1 ns is obtained over the entire operating impedance bandwidth (2.96–11.6 GHz) of the textile antenna in both situations, i.e., side by side and front to front. Linear phase consideration is also presented for both situations, as well as configurations of reception and transmission. An assessment of the effects of bending and humidity has been demonstrated by placing the antenna on the human body. The specific absorption rate (SAR) value was tested to show the radiation effect on the human body, and it was found that its impact on the human body SAR value is 1.68 W/kg, which indicates the safer limit to avoid radiation effects. Therefore, the proposed method is promising for telemedicine and mobile health systems.

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Wearable Ultra Wide Dual Band Flexible Textile Antenna for WiMax/WLAN Application

Cited by 57 publications

References 18 publications

Flexible Antennas: A Review

Flexible Antennas: A Review

A review on microstrip patch antenna parameters of different geometry and bandwidth enhancement techniques

Wireless Body Area Networks: UWB Wearable Textile Antenna for Telemedicine and Mobile Health Systems

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