Abstract
With the rapid development of wireless communication technology and the Internet of Things (IoT), wireless body area networks (WBAN) have been thriving. This paper presents a triband patch antenna with multiple slots for conformal and wearable applications. The proposed antenna operates at 5.8, 6.2, and 8.4 GHz. The antenna was designed with a flexible polyethylene terephthalate (PET) substrate, and the corresponding conformal tests and on-body performance were conducted via simulation. The antenna demonstrated promising gain and acceptable fluctuations when applied on curvature surfaces. The specific absorption rate (SAR) for on-body simulation also suggests that this antenna is suitable for wearable applications.
Highlights
With the recent rapid development, the latest wireless communication technology can provide a high data rate and ubiquitous connectivity [1], which provides unlimited opportunities for the internet of things (IoT) [2,3,4]
Motivated by the advantages of microstrip slot patch antennas, we propose a flexible slot patch antenna with tuning slots, which enables the antenna to resonate at three frequency bands above 5 GHz
We presented a triband slot antenna design operating at 5.8, 6.2, and 8.4 GHz
Summary
With the recent rapid development, the latest wireless communication technology can provide a high data rate and ubiquitous connectivity [1], which provides unlimited opportunities for the internet of things (IoT) [2,3,4]. For WBAN applications, the antenna needs to have a compact and flexible structure and a wide operating frequency range. In [18], a hexaband circularly polarized slotted patch was proposed that operated at six frequency bands for wireless local area network (WLAN), long term evolution (LTE), and radio navigation applications. After a careful literature review, we noticed that a compact flexible antenna can be used in WBAN applications with curvature structures, such as wearable healthcare monitoring devices. Motivated by the advantages of microstrip slot patch antennas, we propose a flexible slot patch antenna with tuning slots, which enables the antenna to resonate at three frequency bands above 5 GHz. simulations where the antenna is applied on curvature surfaces and human body are conducted and discussed.
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