es Index 283 About the Editors Dr. Lei Zhang is a Senior Lecturer (associate professor) at the University of Glasgow, UK. He received his PhD from the University of Sheffield, UK. His research interests include wire- less communication systems and networks, blockchain technology, radio access network slicing (RAN slicing), Internet of Things (IoT), multi-antenna signal processing, MIMO systems, etc. He has 19 patents granted/filed in more than 30 countries/regions including US/UK/EU/China/Japan etc. Dr. Zhang has published 2 books and 100+ peer-reviewed papers. He received IEEE Communication Society TAOS Best Paper Award 2019. He is a Technical Committee Chair of 5th International conference on UK-China Emerging Tech- nologies (UCET) 2020. He was the Publication and Registration Chair of IEEE Sensor Array and Multichannel (SAM) 2018, Co-chair of Cyber-C Blockchain workshop 2019. He is an associate editor of IEEE Internet of Things (IoT) Journal, IEEE Wireless Communications Letters and Digital Communications and Networks. Dr. Zhang is a senior member of IEEE. About the Editors Dr. Arman Farhang received the PhD degree from the Trinity College Dublin (TCD), Dublin, Ireland, in 2016. He was a research fellow with the Irish National Telecommu- nications Research Centre (CONNECT), Trinity College Dublin, Dublin, Ireland, from 2016 to 2018. He was a Lecturer in the School of Electrical and Electronic Engineering at University College Dublin (UCD), Ireland, for a short period in 2018. He joined the Department of Electronic Engineering at Maynooth University in September 2018 as a Lecturer. Dr. Farhang also holds an adjunct professor position at TCD. He is an associate investigator in the CONNECT Centre, where he leads the research around the topic of waveforms for 5G and beyond. He has published over 50 peer-reviewed publications on the topic of waveforms. He serves as an associate editor of "EURASIP Journal on Wireless Communications and Networking." Dr. Farhang is a member of the organization commit- tee of the IEEE 