Ultra‐wideband antenna for wearable Internet of Things devices and wireless body area network applications

Abstract

This paper presents a compact and planar ultra‐wideband (UWB) antenna, designed and characterized for the wearable Internet of Things (IoT) devices and wireless body area network (WBAN) applications. Two different substrates, ie, FR4 (h = 1.6 mm) and denim textile substrate (h = 1 mm), are used in the process of design and fabrication of the proposed antenna. The dimensions of the proposed antenna are 31 mm × 42 mm for FR4 substrate and 70 mm × 56 mm for denim textile substrate. The antenna structure consists of a rectangular radiating patch with two symmetrical staircase‐shaped slits. A reduced ground plane technique is used for the purpose of improving impedance bandwidth, which is further enhanced by the insertion of a small notch in the reduced ground plane which has improved the overall impedance matching characteristics of the proposed UWB antenna. The measured impedance bandwidth for S11 < −10 dB and gain of the FR4 and denim textile substrate UWB antennas are 7.71 GHz/5.12 dBi and 7.95 GHz/3.57 dBi, respectively. The ADS momentum simulator is used for antenna simulations, and the simulated and measured results are generally found in good agreements.

ON-OFF Body Ultra-Wideband (UWB) Antenna for Wireless Body Area Networks (WBAN): A Review

“…The convergence of state-of-the-art technology in the current connectivity scenario has intensified the common usage of integrated miniaturized computing systems possessing the capacity of communicating and executing specific sensing functions. Mustaqim et al [34] introduced a lightweight and planar UWB antenna built and defined for wearable Internet of Things (IoT) applications for WBANs. The proposed antenna was fabricated using two separate substrates, and the dimensions of the model were defined by (31 × 42) mm for FR4 substrate and (70 × 56) mm for denim textile substrate as shown in figure 2, with patch dimension (22.6 × 17) mm 2 .…”

“…This patch simplifies the architecture such that the current and next generation of IoT devices and WBAN transceiver systems can easily be incorporated with respect to the obtained FIGURE 2. Fabricated prototypes of (A) FR4 substrate UWB antenna and (B) denim textile substrate UWB antenna [34].…”

“…Section III concentrates on (ON-Body) communication antenna analysis and applications [70]- [86]. On the other hand, the paper classified and considered the operating frequency bands standard by 802.15 family and Federal Communications Commission (FCC) [32] UWB for OFF-Body based monopole [33], [34], [36], [40], [42]- [44], [47]- [49], [52], [54], [55], ground plane [57], [58], [63], [68] and ON-Body antennas [71], [74]- [77], [79], [81], [84]- [86]. Finally, the conclusion of the whole article is presented in section IV.…”

CPW-Fed Flexible Ultra-Wideband Antenna for IoT Applications

“…The integration of advanced technologies in the modern communication framework has accelerated the widespread use of interconnected miniaturized devices in the Internet of things (IoT) [ 1 , 2 ] platform. The IoT applications demand connectivity among devices in a wide variety of applications requiring multiple communication devices [ 3 , 4 , 5 , 6 , 7 ].…”

E-Field Distribution in Ex-Vivo Porcine Skin Layer from a Subsurface UHF Transmitter

“…Wearable antennas have many applications in the medical industry as body sensor networks. Since the antenna operates in close proximity or is directly attached to the human body, compact design is important for patient comfort and ease of use particularly if the unit must be worn for longer time periods [1][2][3][4]. Other common requirements include low profile, lightweight, mechanical flexibility, easy fabrication, and low cost [5,6].…”