In this episode of OJAP TALKS, OJAP’s Associate Editor, Dr Qammer Abbasi, talks with Prof. Kwai-Man Luk from the City University of Hong Kong. Prof. Luk speaks about the transformative power of millimeter-wave antenna technologies for next-generation wireless applications. He discusses the latest trends antenna design and goes through the key challenges towards achieving miniaturization, wide bandwidth, and increased performance. He also sheds light on the enabling role of liquid antennas for future communications and reflects on the opportunities presented by reconfigurable intelligent metasurfaces for mobile communications, sensing, energy harvesting, and wireless power transfer. Listen to the podcast and find answers to questions including the following: •What are the benefits of millimeter-wave antennas? •What are the current trends in millimeter-wave antenna design? •Which challenges should a researcher consider in designing future-generation millimeter-wave antennas? •Why are reconfigurable intelligent surfaces considered a game changer for future communications? •On which research areas within the antennas and propagation field should young researchers focus? Kwai-Man Luk is Chair Professor of Electronic Engineering at the City University of Hong Kong. Qammer Abbasi serves as a Reader at James Watt School of Electrical Engineering, University of Glasgow. Read the articles by Prof. Luk published in IEEE OJAP: •A Fully Transparent Wideband Water Patch Antenna With L-Shaped Feed •Millimeter-Wave End-Fire Magneto-Electric Dipole Antenna and Arrays With Asymmetrical Substrate Integrated Coaxial Line Feed
In this episode of OJAP TALKS, Dr. Masood Ur Rehman, the Lead Guest Editor of the Special Section on Millimeter-wave and Terahertz Antennas for Future Wireless Networks, talks with Dr. Steve Beeby and Dr. Mahmoud Wagih, who carry out pioneering research in energy harvesting, e-textiles and active printed materials at the University of Southampton. Dr. Beeby and Dr. Wagih speak about the latest advances in wireless power transfer and energy harvesting and discuss the opportunities for improved transfer range and increased bandwidth at mm-wave frequencies. Discover the importance of leveraging energy harvesting approaches, along with flexible energy storage devices, towards the delivery of robust and effective e-textile systems. Explore the exciting prospects of energy harvesting and power transfer for future wireless communication systems and delve into the enabling role of antenna engineering. Find out Dr. Beeby’s advice to young professionals, embarking on a career journey in the field. Listen to the podcast and learn about energy harvesting and power transfer technologies: •Why are these technologies important at mm-wave frequencies? •What are the major differences between conventional RF energy harvesting and energy harvesting at mm-wave frequencies? •What are the key performance indicators? •Which challenges should a designer consider towards improving efficiency? •Why is antenna design critical? •What is the role of these technologies in flexible electronics, smart materials, and fabric antennas?
In this episode of OJAP TALKS, George Eleftheriades, a leading figure in the field of metamaterials, talks with Mohsen Khalily, the Lead Guest Editor of the Special Section on Surface Wave and Metasurface Electromagnetic Engineering, about the latest advances in the technology of electromagnetic surfaces. Professor Eleftheriades goes through the appealing features of electromagnetic surfaces and reflects on their enabling role for the realization of a new realm of applications. He also sheds light on the exciting prospects of reconfigurable intelligent surfaces towards next-generation wireless networks and discusses emerging research frontiers including low-loss and broadband metasurfaces, active and adaptive metasurfaces, spatio-temporally modulated surfaces and new applications, and wideband wide-angle scanning metasurfaces. To young researchers exploring the field, Professor Eleftheriades says: “Think outside of the box for new ideas and opportunities and bring your fresh perspective into the field; follow your inspirations with passion and conviction and enjoy what you are doing.” Listen to the podcast and find answers to questions including the following: •What are electromagnetic surfaces and how can we classify them? •Why are electromagnetic surfaces important? •Can Reconfigurable Intelligent Surfaces (RIS) can be a game-changer in wireless networks? What are the main challenges of implementing RIS in a real-world scenario? •For our young researchers and those interested in metasurfaces, what are the research frontiers in electromagnetic surfaces and what would you suggest starting with and focusing on for their future research work? George Eleftheriades is a Professor the Department of Electrical & Computer Engineering at the University of Toronto, Canada, where he holds the Canada Research Chair in Nano- and Micro-Structured Electromagnetic Materials and Applications. Mohsen Khalily is an Assistant Professor at 6G Innovation Centre, University of Surrey, UK. Read the article by Professor Eleftheriades’ group published in IEEE OJAP: Fixed-Frequency Beam-Steering Using Slotted Waveguide With Tunable Impedance Walls
In this episode of OJAP TALKS, Ke Wu, a leading expert in the field of wireless technologies, and Lei Guo, IEEE OJAP’s Associate Editor and the Lead Guest Editor of the Special Section on Recent Advances in Compact/Integrated Antenna Techniques for 5G Applications, take an in-depth look at the latest advances in 5G and beyond technologies, and discuss about the key enablers of intelligent environments. Discover the major challenges in wireless power harvesting; learn more about the emerging trends in antenna design and the crucial requirements for antenna components of multifunctional wireless systems, such as multiband operation, reconfigurability, miniaturization, intelligence, and high efficiency. As Professor Wu mentions, addressing the challenges in the system fusion of wireless communication, sensing, and power will pave the wave towards harnessing the full spectrum of 5G and beyond applications. Ke Wu is Industrial Research Chair in Future Wireless Technologies, Director of the Poly-Grames Research Center, and Professor of Electrical Engineering at École Polytechnique, University of Montreal, Canada. Lei Guo is Associate Professor at the School of Information and Communication Engineering, Dalian University of Technology, China. Read related articles by Professor Wu’s group published in IEEE OJAP: •Multifunctional Leaky-Wave Antenna With Tailored Radiation and Filtering Characteristics Based on Flexible Mode-Control Principle •Wideband Via Loaded Cylindrical Open Ended SIW Cavity Antenna
In this episode of OJAP TALKS, Y. Jay Guo, a leader in the field of 5G and 6G antenna technologies, discusses with Wei Lin, the lead Guest Editor of the IEEE OJAP Special Section on Advanced Antenna Technologies for 5G Internet-of-Things Applications, about the challenges and latest advances in antenna design that enable beyond-5G and 6G systems. Find out more about 6G requirements and “killer” applications, and discover antenna and propagation technologies that are in the spotlight for making 6G a reality.