Compact and Flexible Microwave Devices

Chapter 1: A Systematic Survey on Wearable Biomedical Sensors Using Flexible Microwaves Devices

• • 1.1 Introduction
• • 1.2 Literature Survey
• • 1.3 Procedure and Working
• • 1.4 Next-Generation Wearables: A Strategic Plan for the Future
• • 1.5 Conclusion

Chapter 2: Metamaterials in 5G and the Path towards 6G: Enabling Advanced Wireless Communication

• • 2.1 Introduction
• • 2.2 Basics of Metamaterials
• • 2.3 Metamaterials in 5G Communication
• • 2.4 Towards 6G: Future Challenges and Metamaterials Integration
• • 2.5 Case Studies and Applications
• • 2.6 Future Directions and Research Challenges
• • 2.7 Conclusion

Chapter 3: Optimization of Time-Modulated Circular Antenna Array for MIMO Systems through Evolutionary Algorithms

• • 3.1 Introduction
• • 3.2 Design Equations
• • 3.3 Evolutionary Optimization Method Used
• • 3.4 Cost Function Formulation
• • 3.5 Computational Result
• • 3.6 The Convergence Curves of DE, PSO, and NPSO
• • 3.7 Conclusions

Chapter 4: Fractal Antenna MIMO Arrays: A Promising Multiband Solution for Modern 5G Wireless Automotive Applications

• • 4.1 Introduction
• • 4.2 Various Forms of Antenna Array
• • 4.3 Feed Networks for Antenna Array
• • 4.4 Fractal Geometries
• • 4.5 Fractal Antenna Arrays
• • 4.6 Recent Trends in the Fractal Antenna Arrays
• • 4.7 Conclusion

Chapter 5: Multiband Fractal Antenna: A Novel Miniaturization Technique

• • 5.1 Introduction
• • 5.2 Fractal Designs
• • 5.3 Iterative Function System
• • 5.4 Advantages and Limitations of Fractal Geometry in Antennas
• • 5.5 Compact Printed Multiband Fractal Antenna: Novel Design Approach
• • 5.6 Conclusion

Chapter 6: Applications of Metasurfaces for Modern Planar Antenna Design

• • 6.1 Metasurfaces -- Introduction and Characteristics Relationship
• • 6.2 Characteristics Mode Analysis (CMA)
• • 6.3 Realization and Evaluations of MS-Based Antenna Models
• • 6.4 Frequency Selective Surfaces and Its Types
• • 6.5 Relationship Between Mutual Coupling Reduction and FSS Superstrate in CP-MIMO Antennas
• • 6.6 Conclusion

Chapter 7: A Review on Electromagnetic Metamaterial Absorbers and Its Application

• • 7.1 Introduction
• • 7.2 Types of Electromagnetic Metamaterial Wave Absorbers
• • 7.3 Type of Metamaterial
• • 7.4 The Metamaterial (MTM) Absorbers Theory
• • 7.5 Different Approaches for Analysis of Microwave Absorption
• • 7.6 Narrowband Metamaterial Absorbers
• • 7.7 Electromagnetic Metamaterial Design Consideration
• • 7.8 Applications of Electromagnetic Metamaterial Absorbers Are Classified on Frequency Range
• • 7.9 Applications and Research Area of Electromagnetic Metamaterial Absorber
• • 7.10 Advancements in Metamaterials in Recent Times
• • 7.11 Conclusion and Prospects for the Future

Chapter 8: RF-Based Wearable PPG Sensor for Real-Time Cardiovascular Health Monitoring

• • 8.1 Introduction
• • 8.2 Motivation
• • 8.3 The Fundamental of Photoplethysmography
• • 8.4 RF-Based Wearable Sensors and Applications in Healthcare Monitoring
• • 8.5 Methodology
• • 8.6 Experimental Setup of EH Module Integrated with PPG Sensor
• • 8.7 Data Analysis
• • 8.8 Impact of Wearable Sensors in the Market
• • 8.9 Conclusion and Future Scope