This book covers the theory, modeling, and implementation of different RF energy harvesting systems. RF energy harvesting is the best choice among the existing renewable energy sources, in terms of availability, cost, size, and integration with other systems. The device used for harvesting RF energy is called rectenna. A rectenna can work at the microwave, millimeter-wave, and terahertz waves. It also has the capability to operate at optical frequencies to be used for 6G and beyond communication systems. This book covers all aspects of wireless power transfer (WPT)/wireless energy harvesting (WEH), basics, theoretical concepts, and advanced developments occurring in the field of energy harvesting. It also covers the design theory for different types of antenna, rectifier, and impedance matching circuits used in RF energy harvesting systems. Different future and present applications, such as charging of vehicles, smart medical health care, self-driven e-vehicles, self-sustainable home automation system, and wireless drones, have also been discussed in detail.

Binod Kumar Kanaujia received the B.Tech. degree from Kamla Nehru Institute of Technology, Sultanpur, India, in 1994, and the M.Tech. and Ph.D. degrees from the Indian Institute of Technology Banaras Hindu University, Varanasi, India, in 1998 and 2004, respectively. He is currently a Professor at the School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, India. He has been credited to publish more than 300 research papers in several peer-reviewed journals and conferences. He has supervised 50 M.Tech. and 15 Ph.D. scholars in the field of RF and microwave engineering. He is currently on the editorial board of several international journals. He is a member of the Institution of Engineers, India, the Indian Society for Technical Education, and the Institute of Electronics and Telecommunication Engineers of India. He had successfully executed five research projects sponsored by different agencies of the Government of India, i.e., DRDO, DST, AICTE, and ISRO.
Neeta Singh received the B.Tech. and M.Tech. degrees from Guru Gobind Singh Indraprastha University, Delhi, India, in 2012 and 2015, respectively, and the Ph.D. degree from Jamia Millia Islamia, Delhi, India, in 2020. She is currently a Research Fellow at the Jawaharlal Nehru University, New Delhi, India. She is a recipient of the Teaching-cum-Research Fellowship from the Government of NCT of Delhi, India. Her current research interest includes microstrip antennas, rectenna, and green energy technology.

Sachin Kumar received the B.Tech. degree from Uttar Pradesh Technical University, Lucknow, India, in 2009, and the M.Tech. and Ph.D. degrees from Guru Gobind Singh Indraprastha University, Delhi, India, in 2011 and 2016, respectively. From 2018 to 2020, he was a Post-Doctoral Fellow at the College of IT Engineering, Kyungpook National University, South Korea. He is currently a Research Assistant Professor at the SRM Institute of Science and Technology, Chennai, India. He has published over a hundred research articles in several peer-reviewed international journals and conferences. He serves as the session chair, organizer, and member of the program committee for various conferences, workshops, and short courses in electronics and computer-related topics. He is also a frequent reviewer for more than fifty scientific journals and book publishers. He is a recipient of the Teaching-cum-Research Fellowship from the Government of NCT of Delhi, India, and the Brain Korea 21 Plus Research Fellowship from the National Research Foundation of South Korea. He is a member of the Indian Society for Technical Education and the Korean Institute of Electromagnetic Engineering and Science.

Autorentext
Binod Kumar Kanaujia received the B.Tech. degree from Kamla Nehru Institute of Technology, Sultanpur, India, in 1994, and the M.Tech. and Ph.D. degrees from the Indian Institute of Technology Banaras Hindu University, Varanasi, India, in 1998 and 2004, respectively. He is currently a Professor at the School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, India. He has been credited to publish more than 300 research papers in several peer-reviewed journals and conferences. He has supervised 50 M.Tech. and 15 Ph.D. scholars in the field of RF and microwave engineering. He is currently on the editorial board of several international journals. He is a member of the Institution of Engineers, India, the Indian Society for Technical Education, and the Institute of Electronics and Telecommunication Engineers of India. He had successfully executed five research projects sponsored by different agencies of the Government of India, i.e., DRDO, DST, AICTE, and ISRO.
Neeta Singh received the B.Tech. and M.Tech. degrees from Guru Gobind Singh Indraprastha University, Delhi, India, in 2012 and 2015, respectively, and the Ph.D. degree from Jamia Millia Islamia, Delhi, India, in 2020. She is currently a Research Fellow at the Jawaharlal Nehru University, New Delhi, India. She is a recipient of the Teaching-cum-Research Fellowship from the Government of NCT of Delhi, India. Her current research interest includes microstrip antennas, rectenna, and green energy technology.

Sachin Kumar received the B.Tech. degree from Uttar Pradesh Technical University, Lucknow, India, in 2009, and the M.Tech. and Ph.D. degrees from Guru Gobind Singh Indraprastha University, Delhi, India, in 2011 and 2016, respectively. From 2018 to 2020, he was a Post-Doctoral Fellow at the College of IT Engineering, Kyungpook National University, South Korea. He is currently a Research Assistant Professor at the SRM Institute of Science and Technology, Chennai, India. He has published over a hundred research articles in several peer-reviewed international journals and conferences. He serves as the session chair, organizer, and member of the program committee for various conferences, workshops, and short courses in electronics and computer-related topics. He is also a frequent reviewer for more than fifty scientific journals and book publishers. He is a recipient of the Teaching-cum-Research Fellowship from the Government of NCT of Delhi, India, and the Brain Korea 21 Plus Research Fellowship from the National Research Foundation of South Korea. He is a member of the Indian Society for Technical Education and the Korean Institute of Electromagnetic Engineering and Science.

Inhalt
Chapter 1: Introduction.- Chapter 2: Background and Origin of the Rectenna.- Chapter 3: Antennas.- Chapter 4: Matching Network and Rectifier Circuit.- Chapter 5