Trade-offs and Non-idealities in Monostatic ISAC Systems
Speaker: Dr. Musa Furkan Keskin
DEIB - Seminar Room "N. Schiavoni" (Bld. 20)
May 24th, 2024 | 11.00 am
Contacts: Proff. Monica Nicoli, Dario Tagliaferri
DEIB - Seminar Room "N. Schiavoni" (Bld. 20)
May 24th, 2024 | 11.00 am
Contacts: Proff. Monica Nicoli, Dario Tagliaferri
Abstract
On May 24th, 2024 at 11.00 am the seminar "Trade-offs and Non-idealities in Monostatic ISAC Systems" will take place at DEIB Seminar Room "Nicola Schiavoni" (Building 20).
Integrated sensing and communication (ISAC) emerges as a cornerstone technology for 6G, seamlessly incorporating sensing functionality into wireless networks as an inherent capability. Operating at high carrier frequencies, a common technological trend in the evolution towards 6G, may escalate the impact of hardware impairments (HWIs) on both functionalities in ISAC systems, more significantly affecting the sensing capability. In this talk, we first provide an overview of monostatic orthogonal frequency-division multiplexing (OFDM) ISAC systems and focus on two fundamental trade-offs—namely, the time-frequency domain trade-off and the spatial domain trade-off, resulting from the choice of modulation order and the ISAC beamforming strategies, respectively. Then, we discuss key differences between sensing and communication channels under HWIs in the monostatic sensing context, focusing on inter-carrier interference (ICI) and phase noise (PN). Departing from the traditional approach of treating such effects solely as impairments, we shed light on how these non-idealities can be exploited to assist sensing, as opposed to their purely detrimental nature in communications. Illustrative examples are provided to showcase the benefits of impairment exploitation in improving sensing performance, even beyond that obtained via ideal, impairment-free ISAC systems.
Musa Furkan Keskin received the B.S., M.S., and Ph.D. degrees from the Department of Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey, in 2010, 2012, and 2018, respectively. He is currently Research Specialist with the department of Electrical Engineering at Chalmers University of Technology, Gothenburg, Sweden, contributing to many interdisciplinary and industry-focused research projects at Swedish and European level in the area of integrated localization, communication and sensing in 6G systems. He was the recipient of the 2019 IEEE Turkey Best Ph.D. Thesis Award for his thesis on visible light positioning systems. His project "OTFS-RADCOM: A New Waveform for Joint Radar and Communications Beyond 5G" is granted by the European Commission as part of Marie Sklodowska-Curie Individual Fellowships (MSCA-IF). His current research interests include integrated sensing and communications, RIS-aided localization and sensing, and hardware impairments in beyond 5G/6G systems.
Integrated sensing and communication (ISAC) emerges as a cornerstone technology for 6G, seamlessly incorporating sensing functionality into wireless networks as an inherent capability. Operating at high carrier frequencies, a common technological trend in the evolution towards 6G, may escalate the impact of hardware impairments (HWIs) on both functionalities in ISAC systems, more significantly affecting the sensing capability. In this talk, we first provide an overview of monostatic orthogonal frequency-division multiplexing (OFDM) ISAC systems and focus on two fundamental trade-offs—namely, the time-frequency domain trade-off and the spatial domain trade-off, resulting from the choice of modulation order and the ISAC beamforming strategies, respectively. Then, we discuss key differences between sensing and communication channels under HWIs in the monostatic sensing context, focusing on inter-carrier interference (ICI) and phase noise (PN). Departing from the traditional approach of treating such effects solely as impairments, we shed light on how these non-idealities can be exploited to assist sensing, as opposed to their purely detrimental nature in communications. Illustrative examples are provided to showcase the benefits of impairment exploitation in improving sensing performance, even beyond that obtained via ideal, impairment-free ISAC systems.
Musa Furkan Keskin received the B.S., M.S., and Ph.D. degrees from the Department of Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey, in 2010, 2012, and 2018, respectively. He is currently Research Specialist with the department of Electrical Engineering at Chalmers University of Technology, Gothenburg, Sweden, contributing to many interdisciplinary and industry-focused research projects at Swedish and European level in the area of integrated localization, communication and sensing in 6G systems. He was the recipient of the 2019 IEEE Turkey Best Ph.D. Thesis Award for his thesis on visible light positioning systems. His project "OTFS-RADCOM: A New Waveform for Joint Radar and Communications Beyond 5G" is granted by the European Commission as part of Marie Sklodowska-Curie Individual Fellowships (MSCA-IF). His current research interests include integrated sensing and communications, RIS-aided localization and sensing, and hardware impairments in beyond 5G/6G systems.
