Sub-Terahertz Communications Beyond 6G
Speaker: Vitaly Petrov
DEIB - 3A Room (Bld. 20)
May 27th, 2025 | 3.00 pm
Contact: Prof. Marco Mezzavilla
DEIB - 3A Room (Bld. 20)
May 27th, 2025 | 3.00 pm
Contact: Prof. Marco Mezzavilla
Sommario
On May 27th, 2025 at 3.00 pm the seminar titled "Sub-Terahertz Communications Beyond 6G" will take place at DEIB 3A Room (Building 20).
For decades, the (sub-)terahertz (THz) frequency band (often defined as 300 GHz to 3 THz or broader, 100 GHz – 10 THz) had been primarily explored in the context of radar, imaging, and spectroscopy. Meanwhile, the exploitation of the terahertz band for wireless communication had originally been limited due to several reasons, including (i) no immediate need for such high data rates available via terahertz bands and (ii) challenges in designing sufficiently high-power terahertz systems at reasonable cost and efficiency, leading to what was often referred to as “the terahertz gap.”
In theory, the use of multi-GHz wide bands available in the THz spectrum also offers unprecedented opportunities for wireless links: up to Terabit-per-second data rate, sub-millisecond latency, and extreme secrecy of transmissions, among others. Over the recent decade, advances on many fronts have drastically changed the terahertz landscape.
Some research contributions even claim that THz communications are an “essential enabler of 6G-grade connectivity”. However, today, there are many misconceptions related to THz communications and their possible role in 6G and beyond-6G networks. This short talk aims to clarify those misconceptions, simultaneously highlighting real pressing R&D challenges to be addressed toward practical and cost-efficient THz communications.
Dr. Vitaly Petrov is an Assistant Professor with the Division of Communication Systems, KTH Royal Institute of Technology, Stockholm, Sweden. Before joining KTH in 2024, he was a Principal Research Scientist with Northeastern University, Boston, MA, USA (2022–2024), as well as a Senior Standardization Specialist and a 3GPP RAN1 Delegate with Nokia Bell Labs and later Nokia Standards (2020–2022). Vitaly obtained his Ph.D. degree in Communications Engineering from Tampere University, Finland, in 2020, and has been a visiting researcher with the University of Texas at Austin (USA), Georgia Institute of Technology (USA), and King’s College London (UK).
For decades, the (sub-)terahertz (THz) frequency band (often defined as 300 GHz to 3 THz or broader, 100 GHz – 10 THz) had been primarily explored in the context of radar, imaging, and spectroscopy. Meanwhile, the exploitation of the terahertz band for wireless communication had originally been limited due to several reasons, including (i) no immediate need for such high data rates available via terahertz bands and (ii) challenges in designing sufficiently high-power terahertz systems at reasonable cost and efficiency, leading to what was often referred to as “the terahertz gap.”
In theory, the use of multi-GHz wide bands available in the THz spectrum also offers unprecedented opportunities for wireless links: up to Terabit-per-second data rate, sub-millisecond latency, and extreme secrecy of transmissions, among others. Over the recent decade, advances on many fronts have drastically changed the terahertz landscape.
Some research contributions even claim that THz communications are an “essential enabler of 6G-grade connectivity”. However, today, there are many misconceptions related to THz communications and their possible role in 6G and beyond-6G networks. This short talk aims to clarify those misconceptions, simultaneously highlighting real pressing R&D challenges to be addressed toward practical and cost-efficient THz communications.
Dr. Vitaly Petrov is an Assistant Professor with the Division of Communication Systems, KTH Royal Institute of Technology, Stockholm, Sweden. Before joining KTH in 2024, he was a Principal Research Scientist with Northeastern University, Boston, MA, USA (2022–2024), as well as a Senior Standardization Specialist and a 3GPP RAN1 Delegate with Nokia Bell Labs and later Nokia Standards (2020–2022). Vitaly obtained his Ph.D. degree in Communications Engineering from Tampere University, Finland, in 2020, and has been a visiting researcher with the University of Texas at Austin (USA), Georgia Institute of Technology (USA), and King’s College London (UK).
