Textile Fixed-Frequency Pattern-Reconfigurable Coupled-Mode Substrate-Integrated Cavity Antenna

Cui, Jie; Liu, Feng-Xue; Zhao, Lei; Wang, Dou

doi:10.1109/lawp.2022.3185205

Cited by 10 publications

(9 citation statements)

References 16 publications

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“…The antenna prototype achieves a wide operating frequency range of about 70%. Finally, in [ 46 ] a coupled-mode substrate-integrated cavity (CMSIC) antenna is presented. The antenna achieves radiation pattern reconfiguration at 2.45 GHz by employing two snap-on buttons as passive switches.…”

Section: Clothing Components In Wearable Textile Antennasmentioning

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 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%

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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“…Inspired by our previous work [ 26 ], a straight slot perpendicular to the radiation aperture was cut out from the patch to excite two close resonances for bandwidth enhancement. Figure 3 shows the geometry of the textile slotted HMSIC antenna (Antenna II).…”

Section: Textile Bandwidth-enhanced Slotted Hmsic Antennamentioning

confidence: 99%

Textile Bandwidth-Enhanced Polarization-Reconfigurable Half-Mode Substrate-Integrated Cavity Antenna

et al. 2023

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A textile bandwidth-enhanced polarization-reconfigurable half-mode substrate-integrated cavity antenna was designed for wearable applications. A slot was cut out from the patch of a basic textile HMSIC antenna to excite two close resonances to form a wide −10 dB impedance band. The simulated axial ratio curve indicates the linear and circular polarization of the antenna radiation at different frequencies. Based on that, two sets of snap buttons were added at the radiation aperture to shift the −10 dB band. Therefore, a larger frequency range can be flexibly covered, and the polarization can be reconfigured at a fixed frequency by switching the state of snap buttons. According to the measured results on a fabricated prototype, the −10 dB impedance band of the proposed antenna can be reconfigured to cover 2.29~2.63 GHz (13.9% fractional bandwidth), and the circular/linear polarization radiation can be observed at 2.42 GHz with buttons OFF/ON. Additionally, simulations and measurements were carried out to validate the design and to study the effects of human body and bending conditions on the antenna performance.

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“…Radiation reconfigurability enables the antenna to vary the radiation pattern while keeping the operating frequency and other properties constant. This form of reconfiguration results in better coverage and greater data because it directs the main lobe in useful directions, pattern reconfiguration can reject interference when the direction of the signal is different from its direction and its arrival [104], [105].…”

Section: ) Radiation Pattern Reconfigurationmentioning

confidence: 99%

Recent Advancement of Wearable Reconfigurable Antenna Technologies: A Review

et al. 2022

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Wireless Body Area Network (WBAN) technology is gaining popularity in personal communication due to the expanding improvement in wireless technology. Wearable antennas are utilized in various WBAN applications including personal healthcare, entertainment, military, and many more due to their attractive characteristics and the potential for integrating lightweight, compact, low-cost, and adaptable wireless communications. A wearable reconfigurable antenna will allow a single antenna to operate at multiple resonant frequencies, radiation, polarization or hybrid between them, by using single or multiple active switching devices for signal transmission and reception in different parts of human body, rather than using multiple antennas. Over the years, several review papers were reported on wearable antennas which discussed the requirements and issues of wearable antennas in terms of their design, fabrication, and measurement. Nowadays, WBAN technology employs a single wearable reconfigurable antenna to perform multiple functions in different parts of human body. Recently, a significant amount of work has been carried out in the area of wearable reconfigurable antennas for WBAN applications. This paper presents a comprehensive review of the requirements and analysis needed for wearable reconfigurable antennas such as Specific Absorption Rate (SAR) for on-body analysis, investigation of the antennas in bending conditions, reconfigurable techniques and reconfigurable performance metrics.

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Textile Fixed-Frequency Pattern-Reconfigurable Coupled-Mode Substrate-Integrated Cavity Antenna

Cited by 10 publications

References 16 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

Textile Bandwidth-Enhanced Polarization-Reconfigurable Half-Mode Substrate-Integrated Cavity Antenna

Recent Advancement of Wearable Reconfigurable Antenna Technologies: A Review

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