**8. Conclusions**

This chapter presents several wideband wearable antennas with high efficiency for medical, IoT and sport applications. Wearable technology provides a useful novel tool to health-care centers and surgical rehabilitation services. Wireless wearable body area network (wireless WBAN) is emerging as a significant option for hospitals, medical centers, and patients. Wearable devices provide a useful network that may improve the long-term context and physiological response of patients and health-care customers. Wearable devices and technology will help to develop personal treatment devices with online and real-time feedback to improve patient's health. Wearable medical devices and sensors can measure heartbeat, blood pressure, body temperature, and sweat rate, perform gait analysis, and measure almost any medical parameters of the patient wearing the medical system.

Design considerations computed and measured results of several wearable printed antennas are described in this chapter. The antenna's electrical characteristics and dimensions were designed to meet the medical system specification. The dimensions of the compact antennas may vary from 260 60 1.6 mm to 50 50 0.5 mm to meet the medical system specification. The compact wearable antennas bandwidth is between 9 and 12% for VSWR better than 2:1. The compact wearable antenna beam width varies from 72° to 100° and the wearable antennas gain varies from 0 to 5 dBi as a function of the antenna dimensions.

The length of the antennas without SRR is higher by 5–10% than the length of the antennas with SRR. Moreover, the resonant frequency of the antennas without SRR is higher by 5–10% than the antennas with SRR. The gain and directivity of the patch antenna without SRR is lower by 2–3 dB than the patch antenna with SRR. The resonant frequency of the wearable antennas with SRR on human body may be shifted by 2–5%.

### **Author details**

Albert Sabban Kinneret College, Emek Hayarden, Israel

\*Address all correspondence to: sabban@netvision.net.il

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*Wideband Wearable Antennas for 5G, IoT, and Medical Applications DOI: http://dx.doi.org/10.5772/intechopen.93492*
