Saim Ghafoor received his Ph.D. from University College Cork, Ireland in 2018. He completed his M.S. from Hanyang University, South Korea in 2010 and B.E from Mehran University of Engineering and Technology, Pakistan in 2005. Currently, he is working as an Assistant Lecturer at the Department of Computing, Letterkenny Institute of Technology, Ireland. Previously, he worked as a postdoctoral researcher in TSSG, Waterford Institute of Technology, Ireland. He worked as a Lecturer in Comsats Institute of Technology from 2010 to 2012. He is currently an associate editor in Elsevier, Computer and Electrical Engineering and also serving as a reviewer for many reputable journals and conferences including IEEE Communication Surveys and Tutorials, IEEE Communication Magazine, IEEE Journal on Selected Areas in Communications, Elsevier Ad hoc Networks, Computer, and Electrical Engineering, Communication Networks and Springer Wireless Networks. He also organized a workshop, IEEE INFOCOM’2019 Workshop on Ultra High Broadband Terahertz Communication for 5G and Beyond Networks (UBTCN). His research interests include Cognitive Radio Networks, Terahertz Communication Networks, Autonomous Networks, Internet of Things, Wireless Sensor Networks, and high-speed networks.Mubashir Husain Rehmani (M’14-SM’15) received the B.Eng. degree in computer systems engineering from Mehran University of Engineering and Technology, Jamshoro, Pakistan, in 2004, the M.S. degree from the University of Paris XI, Paris, France, in 2008, and the Ph.D. degree from the University Pierre and Marie Curie, Paris, in 2011. He is currently working as Assistant Lecturer at Cork Institute of Technology, Ireland. He worked from 2017 to 2018 as Post Doctoral Researcher at the Telecommunications Software and Systems Group (TSSG), Waterford Institute of Technology (WIT), Waterford, Ireland. He served for five years as an Assistant Professor at COMSATS Institute of Information Technology, Wah Cantt., Pakistan. He is currently an Area Editor of the IEEE Communications Surveys and Tutorials. He served for three years (from 2015 to 2017) as an Associate Editor of the IEEE Communications Surveys and Tutorials. Currently, he serves as Associate Editor of IEEE Communications Magazine, Elsevier Journal of Network and Computer Applications (JNCA), and the Journal of Communications and Networks (JCN). He is also serving as a Guest Editor of Elsevier Ad Hoc Networks Journal, Elsevier Future Generation Computer Systems journal, the IEEE Transactions on Industrial Informatics, and Elsevier Pervasive and Mobile Computing journal. He has authored or edited two books published by IGI Global, USA, one book published by CRC Press, USA, and one book with Wiley, U.K. He received “Best Researcher of the Year 2015 of COMSATS Wah” award in 2015. He received the certificate of appreciation, “Exemplary Editor of the IEEE Communications Surveys and Tutorials for the year 2015” from the IEEE Communications Society. He received Best Paper Award from IEEE ComSoc Technical Committee on Communications Systems Integration and Modeling (CSIM), in IEEE ICC 2017. He consecutively received research productivity award in 2016-17 and also ranked # 1 in all Engineering disciplines from Pakistan Council for Science and Technology (PCST), Government of Pakistan. He also received Best Paper Award in 2017 from Higher Education Commission (HEC), Government of Pakistan.He is the recipient of the Best Paper Award in 2018 from the Journal of Network and Computer Applications (Elsevier). Dr. Rehmani received Highly Cited Researchers awards 2020 by Clarivate Analytics (Web of Science). His performance in this context features in the top 1% in the field of Computer Science. Dr. Rehmani is the only researcher from Ireland in the field of “Computer Science” who received this international prestigious award.Alan Davy was awarded BSc (with honors) in Applied Computing and Ph.D. degrees from Waterford Institute of Technology, Waterford, Ireland in 2002 and 2008 respectively. He has worked at TSSG originally as a student since 2002 and became a PostDoc Researcher in 2008. In 2010 he worked at IIT Madras in India as an assistant professor lecturing in Network Management Systems. He received a Marie Curie international Mobility fellowship in 2010, which brought him to work at the Universitat Politècnica de Catalunya for 2 years. He served as a Senior Research Fellow and Research Unit Manager of the Emerging Networks Laboratory at TSSG. Currently, he is serving as Head of Computing and Mathematics Department at Waterford Institute of Technology, Ireland. Dr. Davy is the coordinator of the EU H2020 project TERAPOD: Terahertz based Ultra High Bandwidth Wireless Access Networks.

• 1 The Meeting Point of Terahertz Communications, Sensing, and Localization PART I Terahertz Transceiver and Devices 2 Terahertz Communications with Resonant Tunnelling Diodes: Status and Perspectives 3 Characterisation of Emitters and Detectors PART II Terahertz Channel Characteristics and Modelling 4 Fundamentals of Interference Modelling by Stochastic Geometry in THz Networks 5 Terahertz Communication Channel Characteristics and Measurements 6 An Overview of the Terahertz Communication Networks and LOS and NLOS Propagation Techniques PART III Terahertz Antenna Design 7 Advancements in Terahertz Antenna Design and Their Performance 8 Antenna Misalignment and Blockage in THz Communications 9 Hybrid Beamforming in Wireless Terahertz Communications 10 Ultra- Massive MIMO in THz Communications: Concepts, Challenges and Applications 11 Design of Passive Components for Microwave Photonics- based Millimetre Wave Systems PART IV Terahertz Links, Application, and Deployment 12 Terahertz Band Intersatellite Communication Links 13 Terahertz Front End Technology and Deployment for Ultra- High Capacity Links 14 Terahertz Waveguides for Next Generation Communication Network: Needs, Challenges and Perspectives 15 NextGen Granular Resource Management in the THz Spectrum for Indoor and Outdoor Mobile Deployment 16 Smart Terahertz Wireless Communication Zones 17 Integration Frameworks for THz Wireless Technologies in Data Centre Networks