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Department of Communication Systems

The department conducts education and research in the communication systems area in its widest sense. This includes, but is not limited to: technical and sustainability aspects of wireless and wired communication systems, as well as services such as high-speed data transfer, internet-of-things, sensing, localization, satellite networks, and intelligence at the edge. The technology focus lies on the antenna, physical, and medium access and control (MAC) layers as well as on implementation aspects across all layers.

Meet the department

News

Zinat and Nuria
Zinat Behdad (left) and Núria Flores-Espinosa (right)

Two COS Researchers Win Best Student Paper Awards

In October 2025, two PhD students at COS, Zinat Behdad and Núria Flores-Espinosa, won best student paper awards in two different conferences: IEEE Sweden Joint VT-COM-IT Workshop, and ISAP 2025.

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Vitaly Petrov is appointed docent

Vitaly Petrov is appointed docent in communication systems

His docent lecture covered wireless communications in sub-THz and THz bands

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Vitaly Petrov
Vitaly Petrov

Vitaly Petrov appointed SSF Future Research Leader to pioneer 6G & 7G Wireless Communications

Assistant Professor Vitaly Petrov at COS has been appointed as Research Leader of the future by the Swedish Foundation for Strategic Research (SSF). This appointment, coming together with a significan...

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Calendar

Recent publications

[1]
Z. Wang et al., "Flexible MIMO for Future Wireless Communications: Which Flexibilities Are Possible?," IEEE wireless communications, vol. 33, no. 1, pp. 181-190, 2026.
[2]
J. Lundgren, O. Zetterström and O. Quevedo-Teruel, "A Compact Bowl-Shaped Ring-Loaded Antenna Designed Using Characteristic Mode Analysis for Multiband Base Stations," IEEE Transactions on Antennas and Propagation, 2026.
[3]
Z. Li et al., "Feasibility Study Regarding Self-Sustainable Reconfigurable Intelligent Surfaces," IEEE Wireless Communications Letters, vol. 15, pp. 1045-1049, 2026.
[4]
E. B. Kama, J. Kim and E. Björnson, "Multi-Antenna Users in Cell-Free Massive MIMO : Stream Allocation and Necessity of Downlink Pilots," IEEE Transactions on Communications, vol. 74, pp. 2405-2419, 2026.
[5]
S. S. Sri Ganesh Seeram, "Non-Terrestrial Network Architecture and Design : Functional Splits, Handover Performance, and Service Availability," Licentiate thesis Stockholm : KTH Royal Institute of Technology, TRITA-EECS-AVL, 2025:98, 2026.
Full list in the KTH publications portal