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Radio Access Network Research and Development with the Wireless Lab Europe, London, U.K.. He also serves as the Chairman of the ETSI Industry Specification Group on Reconfigurable Intelligent Surfaces. He was previously a Research Manager and a 3GPP RAN1 WG Delegate with British Telecommunications.

**Arman Shojaeifard** (Senior Member, IEEE) received the B.Eng. degree in information systems engineering from Imperial College London in 2008, and the M.Sc. degree in signal processing and the Ph.D. degree in wireless communications from King's College London in 2009 and 2012, respectively. He has extensive experience in research, development and standardization of radio transmission technologies, protocols, and architectures. He is currently a Senior Manager of Engineering with InterDigital, Inc., where he is responsible for the

**Fraser Burton** (Senior Member, IEEE) received the first degree in physics from Oxford University and the master's degree in telecommunication engineering from Kings College London. He leads the Network Physics Research Team within British Telecommunications' Research Department. His research interests include novel antenna structures to reduce energy consumption in the mobile network's physical layer whilst continuing to improve users' quality of experience.

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**Emil Björnson** (Fellow, IEEE) received the M.S. degree in engineering mathematics from Lund University, Sweden, in 2007, and the Ph.D. degree in telecommunications from the KTH Royal Institute of Technology, Sweden, in 2011.

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From 2012 to 2014, he was a Postdoctoral Researcher with the Alcatel-Lucent Chair on Flexible Radio, SUPELEC, France. From 2014 to 2021, he held different professor positions with Linköping University, Sweden. He has been a Full Professor of Wireless Communication with KTH since 2020, and has been the Head of the Communication Systems Division since 2024. He has authored the textbooks *Optimal Resource Allocation in Coordinated Multi-Cell Systems* (2013), *Massive MIMO Networks: Spectral, Energy, and Hardware Efficiency* (2017), *Foundations of User-Centric Cell-Free Massive MIMO* (2021), and *Introduction to Multiple Antenna Communications and Reconfigurable Surfaces* (2024). He is dedicated to reproducible research and has published much simulation code. He researches multiantenna communications, reconfigurable intelligent surfaces, radio resource allocation, machine learning for communications, and energy efficiency. He co-hosts the podcast *Wireless Future* and has a popular YouTube channel with the same name. He has performed MIMO research since 2006. His papers have received more than 31000 citations, he has filed more than 30 patent applications, and he is recognized as a Clarivate Highly Cited Researcher.

Dr. Björnson has received the 2014 Outstanding Young Researcher Award from IEEE ComSoc EMEA, the 2015 Ingvar Carlsson Award, the 2016 Best Ph.D. Award from EURASIP, the 2018 and 2022 IEEE Marconi Prize Paper Awards in Wireless Communications, the 2019 EURASIP Early Career Award, the 2019 IEEE ComSoc Fred W. Ellersick Prize, the 2019 IEEE Signal Processing Magazine Best Column Award, the 2020 Pierre-Simon Laplace Early Career Technical Achievement Award, the 2020 CTTC Early Achievement Award, the 2021 IEEE ComSoc RCC Early Achievement Award, the 2023 IEEE ComSoc Outstanding Paper Award, and the 2024 IEEE ComSoc Stephen O. Rice Prize. He also coauthored papers that received Best Paper Awards at the Conferences WCSP 2009, the IEEE CAMSAP 2011, the IEEE SAM 2014, the IEEE WCNC 2014, the IEEE ICC 2015, and WCSP 2017. He is a Wallenberg Academy Fellow, a Digital Futures Fellow, and an SSF Future Research Leader.

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**Anton Tishchenko** (Student Member, IEEE) received the B.Sc. degree in sound engineering from Wrexham University in 2015, and the M.Sc. (Distinction with Hons.) degree in electronic engineering from the University of Surrey in 2021, where he is currently pursuing the Ph.D. degree within the 5G and 6G Innovation Centres, Institute for Communication Systems, focusing on reconfigurable metamaterials and metasurfaces for the next generation of wireless communication networks. Prior to his academic work, he established himself as

an electronic/RF design specialist, developing hardware for the professional audio, telecommunications, and intelligent transportation industries. He hosts an RF-dedicated YouTube channel "Dr. EMC".

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**Mohsen Khalily** (Senior Member, IEEE) is currently an Associate Professor of Antennas and Propagation and the Head of the Surface Electromagnetics Lab, Institute for Communication Systems, University of Surrey, U.K. He has published four book chapters and almost 200 academic articles in international peer-reviewed journals and conference proceedings and has been the Principal Investigator on research grants totalling in excess of £4.5 million in the field of surface electromagnetics.

He is the leading rapporteur for the work item on implementation and practical considerations of the Reconfigurable Intelligent Surface in the dedicated Industry Specification Group within the European Telecommunications Standards Institute. His research interests include surface electromagnetics, metamaterials, topological insulators, mmWave, and THz antennas and propagation modeling. He serves as an Associate Editor for *IEEE TRANSACTION ON ANTENNAS AND PROPAGATION*, *IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS*, and *Scientific Reports* (Nature-Index). He is a Fellow of the U.K. Higher Education Academy.
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**Marco Di Renzo** (Fellow, IEEE) received the Laurea (cum laude) and Ph.D. degrees in electrical engineering from the University of L'Aquila, Italy, in 2003 and 2007, respectively, and the Habilitation à Diriger des Recherches degree from University Paris-Sud (currently Paris-Saclay University), France, in 2013. He is currently a CNRS Research Director (Professor) and the Head of the Intelligent Physical Communications Group, Laboratory of Signals and Systems, Paris-Saclay University - CNRS and CentraleSupelec, Paris,

France. Also, he holds the 2023 France-Nokia Chair of Excellence in ICT with the University of Oulu, Finland, and the Tan Chin Tuan Exchange Fellowship in Engineering with Nanyang Technological University, Singapore. He was a Fulbright Fellow with The City University of New York, USA, a Nokia Foundation Visiting Professor with Aalto University, Finland, and a Royal Academy of Engineering Distinguished Visiting Fellow with Queen's University Belfast, U.K. His recent research awards include the 2022 Michel Monpetit Prize conferred by the French Academy of Sciences, the 2023 IEEE VTS James Evans Avant Garde Award, the 2024 Best Tutorial Paper Award, and the 2024 IEEE COMSOC Marconi Prize Paper Award in Wireless Communications. He is a Highly Cited Researcher. He served as the Editor-in-Chief for IEEE COMMUNICATIONS LETTERS from 2019 to 2023, and he is currently serving on the advisory board. He is currently serving as a Voting Member of the Fellow Evaluation Standing Committee and as the Director of Journals of the IEEE Communications Society. He is a Fellow of IET, EURASIP, and AAIA; an Academician of AIIA; an Ordinary Member of the European Academy of Sciences and Arts, and of the Academia Europaea; an Ambassador of the European Association on Antennas and Propagation.

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**Rahim Tafazolli** is a Professor and the Director of the 5G and 6G Innovation Centres, Institute for Communication Systems, University of Surrey, U.K. He has published more than 500 research papers in refereed journals, international conferences, and as a invited speaker. He is the Editor of two books on *Technologies for Wireless Future* (published by Wiley's Vol.1 in 2004 and Vol.2 2006). He was appointed as a Fellow of Wireless World Research Forum in April 2011, in recognition of his personal contribution to the wireless world as well as heading

one of Europe's leading research groups.