Wearable Antennas and Electronics .

• Author: Kiourti, Asimina.
• TeilnehmendeR: Volakis, John L.
• Place / Publishing House: Norwood : : Artech House,, 2022.; ©2022.
• Year of Publication: 2022
• Edition: 1st ed.
• Language: English
• Physical Description: 1 online resource (293 pages)

Table of Contents

Cover -- Title page -- Copyright -- Contents -- Chapter 1 Introduction -- 1.1 History of Wearables -- 1.2 Applications of Wearables -- 1.3 The Future of Wearables -- 1.4 Book Overview -- References -- Chapter 2 Basic Approaches for Printing and Weaving Wearables -- 2.1 Introduction -- 2.2 Basics of Embroidery -- 2.2.1 Operating Principle -- 2.2.2 Types of Conductive Threads -- 2.2.3 Substrates Used for Embroidered Prototypes -- 2.2.4 Nonconductive Threads -- 2.3 Advanced Aspects of Embroidery -- 2.3.1 Improving Precision -- 2.3.2 Grading the Embroidery Density for Foldable Prototypes -- 2.3.3 Colorful Prototypes -- 2.4 Polymer Integration -- 2.4.1 Polymer Substrates -- 2.4.2 Stretchable Prototypes Embedded in Polymer -- 2.4.3 Magneto-Actuated Prototypes -- 2.5 Performance -- 2.5.1 Radio-Frequency Performance -- 2.5.2 Mechanical Performance -- 2.5.3 Launderability -- 2.6 Example Applications -- 2.6.1 Textile-Based Antennas -- 2.6.2 Electromagnetic and Circuit Components -- 2.6.3 Sensors and Actuators -- References -- Chapter 3 Wearable Electronics with Flexible, Transferable, and Remateable Components -- 3.1 Technology Drivers -- 3.2 Functional Building Blocks -- 3.2.1 System Architecture and Components -- 3.2.2 Power and Data Telemetry -- 3.2.3 Energy Storage: Batteries and Supercapacitors -- 3.3 Technology Building Blocks for Heterogeneous Component Integration -- 3.3.1 Thin Substrates -- 3.3.2 Circuit Formation: Metallization, Photopatterning, or Additive Deposition -- 3.3.3 Device and Component Assembly -- 3.3.4 Encapsulation -- 3.4 Transferable On-Skin Electronics -- 3.4.1 Laser or Thermal-Assisted Release -- 3.4.2 Transfer with an Elastomeric Stamp -- 3.4.3 Transfer with a Water-Soluble Tape -- 3.4.4 Direct Flex Transfer onto Skin: Cut, Paste, Peel, and Release -- 3.4.5 Flex Substrate Embedding into E-Textiles.

3.5 Biosignal Interfaces: Electrode and Photonic Interfaces -- 3.5.1 Ag/AgCl Electrodes -- 3.5.2 Dry Electrodes -- 3.5.3 Carbon- or Conducting Polymer-Based Electrodes -- 3.5.4 Fractal Gold Electrodes -- 3.5.5 Electrochemical Electrodes -- 3.6 Remateable Connectors -- 3.6.1 Pin-Socket Connectors -- 3.6.2 Flat Connectors -- 3.6.3 Reworkable Adhesives -- 3.7 Conclusions -- References -- Chapter 4 Wearable Antennas -- 4.1 Introduction -- 4.2 Embroidered Antennas -- 4.2.1 Design and Construction -- 4.3 Screen-Printed Antennas -- 4.3.1 Design and Construction -- 4.4 Inkjet-Printed Antennas -- 4.4.1 Design and Construction -- 4.5 Material Considerations: Fabrics, Inks, and Threads -- 4.5.1 Fabrics -- 4.5.2 Conductive Fibers -- 4.5.3 Conductive Inks -- 4.6 Applications -- References -- Chapter 5 Wearable Sensors -- 5.1 Sensing with Wearables -- 5.2 Wearable Electronics for Biomarker Extraction -- 5.3 Wound Monitoring RFID Bandage on Textile Surface -- 5.4 Textile Based Voltage-Controlled Oscillator -- 5.5 Wound Assessment Using Data Modulation -- 5.6 Smart Bandage Integration for Practical Measurements -- 5.7 Wireless Power Telemetry Link -- 5.7.1 Near Field Power Transfer Using a Corrugated Crossed-Dipole Antenna -- 5.7.2 Textile-Based Rectifier -- 5.8 Measurement Setup Realized to Emulate In Vivo Electrochemical Sensing and Monitoring Scenarios -- 5.9 Conclusion -- References -- Chapter 6 Wearable RF Harvesting -- 6.1 Part 1: Far-Field Integrated Power Transfer and Harvesting for Wearable Applications -- 6.1.1 Introduction -- 6.1.2 Conductive Thread Embroidery-Based Fabrication of Patch Antenna -- 6.1.3 Textile-Based Single-Diode Rectifier in Wearable Applications -- 6.1.4 Design and Optimization of Textile Rectenna Array -- 6.1.5 RF-Power Availability Tests -- 6.1.6 Power Harvesting Using Textile Rectenna Arrays.

6.2 Part 2: Near-Field Integrated Power Transfer and Harvesting for Wearable Applications -- 6.2.1 Introduction -- 6.2.2 Anchor-Shaped Antenna: Fundamentals -- 6.2.3 Textile-Integration of an Anchor-Shaped Antenna and Its Ergonomic Applications -- 6.2.4 RF-to DC Rectifier Design and Optimization -- 6.2.5 System Design and Tests Using RF Rectifier and Anchor-Shaped Antenna -- 6.3 Conclusion -- References -- Chapter 7 Radiofrequency Finger Augmentation Devices for the Tactile Internet -- 7.1 Introduction -- 7.2 Communication Models for the Fingertip-Wrist Backscattering Link and Its Variability -- 7.3 Constrained Design of R-FADs -- 7.4 R-FAD Manufacturing -- 7.5 R-FAD Applications to Aid Sensorially Impaired People -- 7.5.1 Sensing an Item's Temperature -- 7.5.2 Discrimination of Materials -- 7.6 Application to Cognitive Remapping -- 7.7 Conclusions -- 7.8 Acknowledgments -- References -- Chapter 8 Wearable Imaging Techniques -- 8.1 Wearable Imaging Algorithms -- 8.1.1 Radar-Based RF and THz Imaging -- 8.2 Ultrasound Imaging -- 8.3 Optical Tomography -- 8.4 Photoacoustics Imaging -- References -- Chapter 9 Wearable Wireless Power Transfer Systems -- 9.1 Introduction -- 9.2 WPT Methods -- 9.2.1 Inductive Power Transfer -- 9.2.2 Resonant Inductive Coupling -- 9.2.3 Strongly Coupled Magnetic Resonance -- 9.3 CSCMR Systems for Wearable Applications -- 9.3.1 CSCMR System Design -- 9.3.2 Performance of CSCMR System on the Human Body -- 9.3.3 Magnetic Field Distributions -- 9.3.4 Specific Absorption Rate -- 9.4 CSCMR Systems for Implantable Applications -- 9.5 Conclusions -- References -- About the Editors -- About the Contributors -- Index.