What are the different types of wearable antennas?
Best insight from top research papers
Wearable antennas come in various types. These include wearable textile antennas, microstrip antennas, wearable antenna arrays, and graphene-based antennas . Wearable antennas can be integrated directly onto clothing or made using textile materials . They are used in a wide range of applications such as healthcare, medical, military, smart glasses, and sensor devices in sports . These antennas offer advantages such as high efficiency, miniature size, and simple structure . They are designed to function while being worn and are used in Wireless Body Area Networks (WBAN) . Wearable antennas can be made with flexible electronics and can be integrated into various materials such as jackets, helmets, clothing, buttons, backpacks, and wristbands . They provide large SWaP reduction and can achieve comparable or superior functionalities in ultrathin and flexible packages .
Answers from top 4 papers
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| Papers (4) | Insight |
|---|---|
| The paper discusses three types of wearable antennas: full-duplex antenna, omnidirectional armband antenna, and end-fire leaky wave antenna. | |
| The different types of wearable antennas mentioned in the paper are wearable textile antenna, microstrip antenna, and wearable antenna array. | |
15 Dec 2022 | The different types of wearable antennas mentioned in the paper are wearable textile antenna, microstrip antenna, and wearable antenna array. |
| The paper mentions two types of wearable antennas: body-worn antennas and wrist wearable antennas. |
Related Questions
What is specification of wearable antenna?9 answersThe specifications of wearable antennas, as detailed across various research contexts, highlight their diverse designs, operational frequencies, materials, and applications in the realm of Wireless Body Area Networks (WBAN). A textile-based multiband antenna designed on a flexible cotton substrate operates over frequencies of 5.6GHz, 7.4GHz, and 9.0GHz, with dimensions of 50x60x2 mm^3, showcasing good performance in terms of gain, bandwidth, and flexibility, making it suitable for Wi-Fi, Radio altimeters, 5G, and Satellite applications. Another miniaturized wearable antenna offers five band-notched characteristics, covering the entire UWB spectrum from 2.56 to 12.7 GHz, except for specific notch bands, and is designed on a Rogers 5880 substrate with dimensions of 30x25x0.508 mm^3, demonstrating its utility in medical development by reducing the need for hand swiping cards.
A flexible transmitter for wearable applications, utilizing a cotton substrate and operating at a resonant frequency of 2.45 GHz, emphasizes the importance of portability, gain, bandwidth, and body compatibility, with dimensions of 60x70x2 mm^3. A dual-band antenna designed on a cotton jean substrate resonates in the ISM band at 2.45 GHz and 5.8 GHz, offering unidirectional radiation patterns and gains suitable for wearable applications, while maintaining SAR values within safe limits. A planar monopole antenna with a circular patch operates at 2.4 and 5.8 GHz, showing improved performance with the addition of a UC-EBG structure, indicating its potential in telemedicine within the ISM band. Lastly, a dual-band wearable monopole antenna, featuring a unique F-shaped monopole and an inverted L-shaped stub, operates at 2.4GHz and 5.8GHz, with dimensions of 18.5x10.5x0.644 mm^3, suitable for on-body and off-body wireless communication applications. These specifications collectively underscore the advancements in wearable antenna technology, catering to a wide range of applications with emphasis on flexibility, biocompatibility, and efficient performance.
What is wearable devices?10 answersWearable devices, as explored across various research contexts, are sophisticated gadgets designed to be worn on the body, offering a blend of health monitoring, communication, and personal expression functionalities. These devices range from smartwatches, which act as smartphone companions capturing health data and providing access to notifications, to more specialized wearables equipped with sensors for monitoring physiological parameters in both healthcare and workplace settings. The adoption of wearable technology in clinical environments, such as hospitals, has been studied to understand its potential in enhancing patient care through continuous health monitoring. This includes devices like the Fitbit® Charge 2 or Charge 3, which have been evaluated for their feasibility and acceptance among patients and nurses within acute care settings.
The integration of wearables into healthcare, termed as "Healthcare 4.0," aligns with the shift towards more personalized and predictive healthcare systems. This is particularly evident in the care for the elderly, where wearable intelligence technologies are being developed to address challenges such as the heterogeneity of devices and the need for interoperability. Furthermore, the expansion of digital health records, like Australia's My Health Record, underscores the growing importance of wearable devices in empowering individuals to actively manage their health by providing them with access to their health information.
Wearable devices also find applications in personalized healthcare recommendations and online gamified competition, leveraging machine learning and gamification to promote healthier lifestyles. Moreover, the rapid evolution of wearable technology is instrumental in addressing global health crises, such as the COVID-19 pandemic, by enabling early detection and monitoring of diseases through innovative data analysis techniques. Collectively, these devices represent a convergence of technology, healthcare, and personal lifestyle, offering a multifaceted approach to health management, safety, and personal expression.
What literature review for mmwave MIMO antenna for wearable application?5 answersA literature review on millimeter-wave (mmWave) MIMO antennas for wearable applications has been conducted. Tiwari et al. proposed a semi-flexible two-port MIMO antenna with dual circular polarization in the 24-31 GHz frequency band for wearable biotechnologies. Cueva Acaro conducted a systematic review of wearable antennas, focusing on different textiles used in the fabrication process. Dong et al. discussed the different realization methods and performance index requirements of wearable antennas, analyzing the development trend in recent years. Singh et al. presented a compact CPW-fed four coexisting inverted-L-shaped radiating elements based wideband MIMO antenna for wearable wireless applications. These studies provide insights into the design, fabrication, and performance evaluation of mmWave MIMO antennas for wearable applications, highlighting the importance of circular polarization, textile substrates, miniaturization, and wideband characteristics.
What literature review for 26GHz mmwave MIMO antenna for wearable application?4 answersA literature review on 26GHz mmWave MIMO antennas for wearable applications reveals several key findings. Dong et al. discuss the development of miniaturized antenna technology for wearable devices, highlighting the different realization methods and performance index requirements. Tiwari et al. present a novel semi-flexible MIMO antenna with dual circular polarization in the millimeter-wave frequency band, designed specifically for wearable applications in biotechnologies. They evaluate the antenna's on-body performance and bending analysis using the anatomical Gustav human body model, as well as its simulated radiation characteristics through in-vitro measurements. Additionally, they map SAR analysis with the communication link margin to select the input power, ensuring human shielding. Another study by Tiwari et al. focuses on the integration of wearable antennas with different substrates and their multidimensional applicability in various fields, including communications, medical monitoring, and computing. Furthermore, a study by the unnamed authors proposes a wearable textile-based higher order mode microstrip antenna for mmWave-powered IoT devices, demonstrating the benefits of wireless power transmission and the potential for higher power reception compared to UHF bands.
What are the different types of metamaterials?5 answersMechanical metamaterials, also known as architected materials, are designed composites that aim to have elastic behaviors and effective mechanical properties beyond those of their individual ingredients. These metamaterials can exhibit extreme ordinary linear elastic behavior, negative effective properties, behavior beyond classical linear elasticity, and quasi-crystalline structures. Auxetic metamaterials, which expand transversely when stretched, are widely used in engineering fields. Programmable metamaterials have been developed, including triangular, square, and honeycomb lattice metamaterials, which can achieve large deformation and auxetic behaviors. Three-dimensional metallic metamaterials with tailorable thermo-mechanical properties have also been designed, allowing for the tunability of Poisson's ratio, coefficient of thermal expansion, and Young's modulus. Additionally, flexible metamaterials made of viscoelastic materials have been explored, exhibiting programmable deformations and sensitivity to loading rate.
What are the design considerations for wearable antennas?5 answersDesign considerations for wearable antennas include satisfying technical requirements, being aesthetically acceptable, and suitable for clothing applications. Wearable antennas should be lightweight, manufactured with low-cost flexible substrates, and involve simple fabrication techniques. They should be able to withstand mechanical deformation while bending, stretching, and cramping, as well as different weather conditions. The operating frequency bands for wearable antennas are restricted, and they should be resonated in specific frequency ranges for different communication scenarios. Fabrication techniques such as line patterning, wet-etching, inkjet printing, screen printing, and embroidery are commonly employed for wearable antenna production. Additionally, wearable antennas for military applications should be lightweight, thin, easily integrated into garments, and perform well in rough environments.