A Wearable Antenna for mmWave IoT Applications

Ur-Rehman, Masood; Kalsoom, Tahera; Malik, Nabeel Ahmed; Safdar, Ghazanfar Ali; Chatha, Hasan Tariq; Ramzan, Naeem; Abbasi, Qammer H.

doi:10.1109/apusncursinrsm.2018.8608233

Cited by 14 publications

(5 citation statements)

References 6 publications

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“…A wide-band body-centric wearable millimeter wave antenna prototype is proposed by Ur- Rehman et al (2018) for the 5G IoT industry. Surface current distribution is used in the design concept at 60 GHz frequency with an antenna gain of 9.6 dBi.…”

Section: Figure 10mentioning

confidence: 99%

Radio frequency sensing and its innovative applications in diverse sectors: A comprehensive study

et al. 2022

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Recent advancements in radio frequency (RF) sensing technology can be attributed to the development of the Internet of Things (IoT), healthcare, RF-identification, and communication applications. RF sensing is a multidisciplinary research field that requires expertise in computing, electronics, and electromagnetics to cover all system features, including protocol development, antenna design, sensor integration, algorithm formulation, interconnection, data, and analytics. The overarching aim of this work is to present detailed information about RF technologies and their innovations and application diversity from the novel work carried out at CSI Lab 1, together in one platform with an extensive survey. This study presents state-of-the art applications and RF sensing that include W-Fi, radar, and SDR and RFID-based sensing. A comprehensive survey and study of the advantages and limitations of each non-contact technology is discussed. Additionally, open research gaps have been identified as well. Decades of knowledge and experience have been put to use to meet new challenges and demands. The development and study of RF systems, IoT, RFID sensing, and research and deployment activities, are briefly discussed. The emerging research projects with industry, institutional research centers, and academic studies are also addressed. Finally, an outline of identified potential future research areas is provided, emphasizing opportunities and challenges.

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Section: Figure 10mentioning

confidence: 99%

Radio frequency sensing and its innovative applications in diverse sectors: A comprehensive study

et al. 2022

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“…The authors provided an energy harvesting solution without optimizing the antenna. The authors in [27] present a 60 GHz mm-wave antenna for the IoT. The total bandwidth of this antenna is 9.8 GHz having a peak gain of 9.6 dBi.…”

Section: Introductionmentioning

confidence: 99%

A Compact Sub-GHz Wide Tunable Antenna Design for IoT Applications

et al. 2022

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This work presents a compact meandered loop slot-line 5G antenna for Internet of Things (IoT) applications. Recently, sub-gigahertz (Sub-GHz) IoT technology is widely spreading. It enables long-range communications with low power consumption. The proposed antenna structure is optimized to operate at sub-GHz bands without any additional complex biasing circuitry or antenna structure. A miniaturized design was achieved by a meandered structured loop slot-line that is loaded reactively with a varactor diode. Wideband frequency reconfigurability (FR) was achieved by the use of the varactor diode. The proposed antenna resonates over the frequency band of 758–1034 MHz with a minimum bandwidth of 17 MHz over the entire frequency band. The RO4350 substrate with dimensions of 0.18λg × 0.13λg mm2 is used to design the proposed antenna design. The efficiency and gain values varied from 54–67% and 0.86–1.8 dBi. Compact planar structure, narrow-band operation (suitable for NB-IoT) and simple biasing circuitry, which allows for sub-GHz operation, are unique and attractive features of the design.

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“…Various feeding techniques were also adopted to energize these antennas, including microstrip-line feed, coaxial feeding, as well as coplanar waveguide feeding methods [15]. Different flexible dielectric substrates such as Kapton, polydimethylsiloxane (PDMS), liquid crystal polymer (LCP), polytetrafluoroethylene (PTFE), polyimides (PI), and paper-based substrates [20][21][22][23][24][25] have been proposed in the open literature. However, since wearable antennas are required to be directly integrated with the clothes, the components used should be made of suitable materials to achieve proper radiation characteristics while maintaining the functionality of the textile itself.…”

Section: Introductionmentioning

confidence: 99%

Impact of Various Wearability Conditions on the Performances of Meander-Line Z-Shaped Embroidered Antenna

Ali

Stojanović

Jeoti

et al. 2022

International Journal of Antennas and Propagation

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The field of wearable computing technology describes the future of electronic systems being an integral part of our everyday clothing with various enhanced functionalities. The present work is aimed at making closer steps towards the real wearability of electronics using textiles. We designed a fully-textile meander line Z–shaped monopole antenna for radio-frequency (RF) harvesting and for short-range communication purposes in the body-area network for various wearable applications. The target antenna was designed in the Ansys HFSS software tool and fabricated on a single-layer cotton textile using silver conductive threads and an embroidery technique. The antenna was characterized using a vector network analyzer (VNA), and the selected design was found to be nearly invariant under different deployment conditions. Antenna performance was studied by measuring the return loss while the antenna was in close proximity to the human body, or under various bending scenarios and/or wet conditions with sweat. The simulated return loss was −20.36 dB at an operating frequency of 1.62 GHz, and the measured return loss for the fabricated antenna was −19.45 dB at 1.6275 GHz with a −10 dB bandwidth of 100 MHz (i.e., 1.58 GHz to 1.68 GHz), and a fractional bandwidth of 6.17%. The results of this study are very important for the design of future wearable antennas in the new concept of the Internet of bodies.

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A Wearable Antenna for mmWave IoT Applications

Cited by 14 publications

References 6 publications

Radio frequency sensing and its innovative applications in diverse sectors: A comprehensive study

Radio frequency sensing and its innovative applications in diverse sectors: A comprehensive study

A Compact Sub-GHz Wide Tunable Antenna Design for IoT Applications

Impact of Various Wearability Conditions on the Performances of Meander-Line Z-Shaped Embroidered Antenna

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