Javaid Ahmad Sheikh is Assistant Professor in the Department of Electronics and IT, University of Kashmir. He is Doctorate in Electronics from the University of Kashmir, Srinagar. His expertise in communications, RF, and signal processing is acknowledged by several organizations. He has supervised several students for their Ph.D., M. Phil., and M. Tech. degrees. He has guided more than hundred (100) technical projects having societal relevance. His interest areas are wireless communications, MIMO-based 5G and 6G communication systems, quantum machine learning for future networks, efficient antenna, filter design, and signal processing for communication systems.Taimoor Khan is an Associate Professor in the Department of Electronics and Communication Engineering at the National Institute of Technology, Silchar, India. His active research interest areas are RF Energy Harvesting and Wireless Power Transfer, Microstrip Antennas, Electromagnetic Bandgap Structures, Dielectric Resonator Antennas, and Artificial Intelligence Paradigms in Electromagnetics. He has published over 140 research papers in international journals and conference proceedings. He is also involved in executing three sponsored research projects under the SPARC Scheme, VAJRA Scheme, and IMPRINT Scheme.Binod Kumar Kanaujia is Professor in the School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, India. Prof. Kanaujia's research interests include modeling for RF system design and microstrip antenna, dielectric resonator antenna, left-handed metamaterial microstrip antenna, shorted microstrip antenna, ultra-wideband antennas, reconfigurable and circular polarized antenna for wireless communication and mobile communication, and computational RF radiator. Dr. Kanaujia has guided several students for their Ph. D. program and published over 150 papers in reputed journals.

• Chapter 1. Radio Frequency Energy Harvesting for Low Power Applications.- Chapter 2. Intelligent and Reliable Cognitive 5G using Whale Optimization Techniques.- Chapter 3. Wearable Antennas for Indoor and Outdoor Communications.- Chapter 4. An Overview of Different Energy Efficient Optimization Methods.- Chapter 5. An Overview of Different Energy Efficient Methods for 5G and Beyond Networks.- Chapter 6. Design of Energy Efficient RF-MEMS based Energy Harvesters for Industrial Internet of Things (IIOT).- Chapter 7. Meta-material Inspired Wideband on-body Antenna for Bio-medical Applications.-  Chapter 8. Radio Frequency (RF) Energy Harvesting in IOT Devices and introduction to Rectennas.-

Javaid Ahmad Sheikh is Assistant Professor in the Department of Electronics and IT, University of Kashmir. He is Doctorate in Electronics from the University of Kashmir, Srinagar. His expertise in communications, RF, and signal processing is acknowledged by several organizations. He has supervised several students for their Ph.D., M. Phil., and M. Tech. degrees. He has guided more than hundred (100) technical projects having societal relevance. His interest areas are wireless communications, MIMO-based 5G and 6G communication systems, quantum machine learning for future networks, efficient antenna, filter design, and signal processing for communication systems.Taimoor Khan is an Associate Professor in the Department of Electronics and Communication Engineering at the National Institute of Technology, Silchar, India. His active research interest areas are RF Energy Harvesting and Wireless Power Transfer, Microstrip Antennas, Electromagnetic Bandgap Structures, Dielectric Resonator Antennas, and Artificial Intelligence Paradigms in Electromagnetics. He has published over 140 research papers in international journals and conference proceedings. He is also involved in executing three sponsored research projects under the SPARC Scheme, VAJRA Scheme, and IMPRINT Scheme.Binod Kumar Kanaujia is Professor in the School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, India. Prof. Kanaujia's research interests include modeling for RF system design and microstrip antenna, dielectric resonator antenna, left-handed metamaterial microstrip antenna, shorted microstrip antenna, ultra-wideband antennas, reconfigurable and circular polarized antenna for wireless communication and mobile communication, and computational RF radiator. Dr. Kanaujia has guided several students for their Ph. D. program and published over 150 papers in reputed journals.

• Chapter 1. Radio Frequency Energy Harvesting for Low Power Applications.- Chapter 2. Intelligent and Reliable Cognitive 5G using Whale Optimization Techniques.- Chapter 3. Wearable Antennas for Indoor and Outdoor Communications.- Chapter 4. An Overview of Different Energy Efficient Optimization Methods.- Chapter 5. An Overview of Different Energy Efficient Methods for 5G and Beyond Networks.- Chapter 6. Design of Energy Efficient RF-MEMS based Energy Harvesters for Industrial Internet of Things (IIOT).- Chapter 7. Meta-material Inspired Wideband on-body Antenna for Bio-medical Applications.-  Chapter 8. Radio Frequency (RF) Energy Harvesting in IOT Devices and introduction to Rectennas.-

Javaid Ahmad Sheikh is Assistant Professor in the Department of Electronics and IT, University of Kashmir. He is Doctorate in Electronics from the University of Kashmir, Srinagar. His expertise in communications, RF, and signal processing is acknowledged by several organizations. He has supervised several students for their Ph.D., M. Phil., and M. Tech. degrees. He has guided more than hundred (100) technical projects having societal relevance. His interest areas are wireless communications, MIMO-based 5G and 6G communication systems, quantum machine learning for future networks, efficient antenna, filter design, and signal processing for communication systems.Taimoor Khan is an Associate Professor in the Department of Electronics and Communication Engineering at the National Institute of Technology, Silchar, India. His active research interest areas are RF Energy Harvesting and Wireless Power Transfer, Microstrip Antennas, Electromagnetic Bandgap Structures, Dielectric Resonator Antennas, and Artificial Intelligence Paradigms in Electromagnetics. He has published over 140 research papers in international journals and conference proceedings. He is also involved in executing three sponsored research projects under the SPARC Scheme, VAJRA Scheme, and IMPRINT Scheme.Binod Kumar Kanaujia is Professor in the School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, India. Prof. Kanaujia's research interests include modeling for RF system design and microstrip antenna, dielectric resonator antenna, left-handed metamaterial microstrip antenna, shorted microstrip antenna, ultra-wideband antennas, reconfigurable and circular polarized antenna for wireless communication and mobile communication, and computational RF radiator. Dr. Kanaujia has guided several students for their Ph. D. program and published over 150 papers in reputed journals.

• Chapter 1. Radio Frequency Energy Harvesting for Low Power Applications.- Chapter 2. Intelligent and Reliable Cognitive 5G using Whale Optimization Techniques.- Chapter 3. Wearable Antennas for Indoor and Outdoor Communications.- Chapter 4. An Overview of Different Energy Efficient Optimization Methods.- Chapter 5. An Overview of Different Energy Efficient Methods for 5G and Beyond Networks.- Chapter 6. Design of Energy Efficient RF-MEMS based Energy Harvesters for Industrial Internet of Things (IIOT).- Chapter 7. Meta-material Inspired Wideband on-body Antenna for Bio-medical Applications.-  Chapter 8. Radio Frequency (RF) Energy Harvesting in IOT Devices and introduction to Rectennas.-