Abstract
In this paper we present the optimal design of wearable four band antenna that is suitable to work in the fifth-generation wireless systems as well as in cellular systems and in unlicensed bands. The design of the antenna relies on a careful study of optimization algorithms that are suitable for antenna design. We have proposed a benchmark problem to compare different optimization algorithms. It is the space of voltage standing wave ratio and the gain of dipole antenna that was identified for wide range of dipole length and radius. Using this pre-calculated data, we have tuned the parameters of optimization routine for optimal performance with our benchmark. After this, we optimized the geometry of four-band wearable antenna. In the optimization process, we used finite-difference time-domain method together with simplified model of human body. The antenna design was assessed with a fabricated prototype.
Highlights
Academic Editors: Pavlos Lazaridis, Zaharias Zaharis, RaedA
We presented a design of a wearable antenna designed to work in a wireless patient monitoring system, which can use several transmission technologies
The wearable antenna was optimized with Pareto–Estra algorithm that was tuned basing on the dipole benchmark problem
Summary
Systems for wireless monitoring of human vital parameters have been intensively developed in recent years [1]. They find numerous applications in medicine for monitoring cardiac patients and convalescents [2]. Such systems are used in sports medicine to monitor the parameters of training people [3]. Another application is the control of the working environment and people working in dangerous conditions [4]. In each of these applications, it is important to use an appropriate wireless data transmission technology
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