Hüseyin Arslan

Istanbul Medipol University, Istanbul, Türkiye.

Are we ready for 6G vision? What is next? FLEXIBLE AND COGNITIVE RADIO ACCESS TECHNOLOGIES FOR 5G AND BEYOND

Abstract

Today's wireless services and systems have come a long way since the rollout of the conventional voice-centric cellular systems. The demand for wireless access in voice and multi- media applications has increased tremendously. In addition to these, new application classes like extreme mobile broadband communication, ultra reliable and low latency communications, massive machine type communications, and Internet of Things have gained significant interest recently for 5G. The trend on the variety and the number of mobile devices along with the mobile applications will certainly continue beyond 5G, creating a wide range of technical challenges such as cost, power efficiency, spectrum efficiency, extreme reliability, low latency, robustness against diverse channel conditions, cooperative networking capability and coexistence, dynamic and flexible utilization of wireless spectrum.
With the rapid evolution of wireless networks across a broad technological environment which includes virtualization, IoT and Industry 4.0, our lives are surrounded by electronic devices capable of wireless radio transmission and reception, not only for communication purposes but also for radar, wireless sensing, and radio environment monitoring and mapping. Emerging Internet of Things (IoT) and Cyber-Physical Systems (CPS) applications aim to bring people, data, processes, and things together to fulfil our needs. With the emergence of software defined networks, adaptive services and applications are gaining more attention since they allow the automatic configuration of devices and their parameters, systems, and services to the user's context change. Granted, these devices, networks, and applications are huge commodities and improve our quality of life but they also present a major risk, not only because of the widely recognized security leaks in current wireless radio access technologies but also because of the enormous amounts of information over a medium which can be extracted by radio-based sensing.
More than anything, 5G and beyond has introduced a new vision and sets of challenges for wireless researchers in many layers of the protocol stacks, especially in the Physical and Medium Access Layers. In order to address these technical challenges, highly flexible and adaptive radio access technologies are needed. Hence, 5G and beyond is about flexibility and applications. 5G and beyond is expected to bring about a communication system (with a single standard) through very flexible and cognitive design to support wide variety of services. As a result, the wireless radio researchers are facing a new challenge, which is the design of a flexible communication system in every layer of the communication protocol stacks. In this talk, the flexibility and adaptability of 5G and beyond systems will be discussed with a major focus on PHY and MAC layers. The potential directions and research opportunities to address the challenges and requirements of the 5G and beyond vision will be discussed.

Biography

Dr. Arslan (IEEE Fellow, NAI Fellow, Member of Turkish Academy of Science) received his BS degree from the Middle East Technical University (METU), Ankara, Turkey in 1992; his MS and Ph.D. degrees were received respectively in 1994 and 1998 from Southern Methodist University (SMU), Dallas, TX. From January 1998 to August 2002, he was with the research group of Ericsson, where he was involved with several projects related to 2G and 3G wireless communication systems. Between August 2002 and August 2022, he was with the Electrical Engineering Department, at the University of South Florida, where he was a Professor. In December 2013, he joined Istanbul Medipol University to found the Engineering College, where he has been working as the Dean of the School of Engineering and Natural Sciences. In addition, he has worked as a part-time consultant for various companies and institutions including Anritsu Company, Savronik Inc., and The Scientific and Technological Research Council of Turkey. Dr. Arslan served as the founding Chairman of The Board Of Directors of ULAK Communication company, which is the Turkish telecom equipment provider. He was also the member of the Tubitak Scientific Board. Since May 2021, he is serving as a Member of the Board of Directors for Turkcell, the biggest cellular operator in Turkey while also operating in Ukrain, Belarus, and Cyprus.

Dr. Arslan conducts research in wireless systems, with emphasis on the physical and medium access layers of communications. His current research interests are on 6G and beyond radio access technologies, physical layer security, interference management (avoidance, awareness, and cancellation), cognitive radio, multi-carrier wireless technologies (beyond OFDM), dynamic spectrum access, co-existence issues, non-terrestial communications (High Altitude Platforms), joint radar (sensing) and communication designs. Dr. Arslan has been collaborating extensively with key national and international industrial partners and his research has generated significant interest in companies such as InterDigital, Anritsu, NTT DoCoMo, Raytheon, Honeywell, Aselsan, Vestel,Türkcell, Keysight technologies. Collaborations and feedback from industry partners has significantly influenced his research. In addition to his research activities, Dr. Arslan has also contributed to wireless communication education. He has integrated the outcomes of his research into education which lead him to develop a number of courses at the University of South Florida and Istanbul Medipol University. He has developed a unique “Wireless Systems Laboratory” course (funded by the National Science Foundation and Keysight technologies) where he was able to teach not only the theory but also the practical aspects of wireless communication system with the most contemporary test and measurement equipment.

Dr. Arslan has served as general chair, technical program committee chair, session and symposium organizer, workshop chair, and technical program committee member in several IEEE conferences. He is currently a member of the editorial board for the IEEE Surveys and Tutorials and the Sensors Journal. He has also served as a member of the editorial board for the IEEE Transactions on Communications, the IEEE Transactions on Cognitive Communications and Networking (TCCN), and several other scholarly journals by Elsevier, Hindawi, and Wiley Publishing.