New Generation Wearable Antenna Based on Multimaterial Fiber for Wireless Communication and Real-Time Breath Detection

• DOI: 10.3390/photonics5040033
• Publication Date: 2018-10-12T06:58:04Z
• Authors: Mourad Roudjane; Mazen Khalil; Amine Miled; Younés Messaddeq
• Keywords: Wearable Technology

Smart textiles and wearable antennas along with broadband mobile technologies have empowered the sensors for significant impact on future of digital health care. Despite recent development in this field, challenges related to lack accuracy, reliability, user’s comfort, rigid form data analysis interpretation limited their wide-scale application. Therefore, necessity developing a new reliable user friendly approach face these problems is more than urgent. In paper, generation antenna presented, its potential use as contactless non-invasive sensor human breath detection demonstrated. The made from multimaterial fiber designed short-range wireless network applications at 2.4 GHz frequency. used composite metal-glass-polymer fibers permits integration into textile without compromising comfort or restricting movement due high flexibility, shield efficiently environmental perturbation. provided good radio-frequency emissive properties, while preserving mechanical cosmetic properties garments. With smart featuring spiral shape placed chest, shift operating frequency was observed during breathing process. caused by deformation geometry chest expansion, modification dielectric breath. We demonstrate experimentally that standard networks, which measure received signal strength indicator (RSSI) via Bluetooth protocol, can be reliably detect estimate rate real time. platform takes stretching T-shirt base station. formed spiral-shaped connected compact transmitter. Breathing patterns were recorded case female male volunteers. Although anatomy females males different compared, sensor’s flexibility allowed recording successfully 0.3 Hz 0.5 male, corresponds 21 breaths per minutes (bpm) 30 bpm, respectively.