Division of Communication Systems
The Division of Communication Systems (CoS) focuses on education and research in the communication systems area in its widest sense. This includes, but is not limited to: technical and economic aspects of wireless, wired and optical communication systems and services, fixed and mobile communication systems, and communication related services, artifacts, applications and usage. The technology focus lies on communication at the Media Access and Control (MAC) layer and above as well as on implementation aspects of all layers.

Meet the division
News
Research behind the efficiency of mobile phone networks - one of the most highly cited
The research behind using mobile phone masts with many small electrically steerable antennas has been included in Clarivate's annual Clarivate Highly Cited Researchers 2023 list. ”This is of cours...
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A new comprehensive approach is needed in wireless research
Challenges in the industry are increasing as we move towards a digitalised society where everything needs to be connected. The competition for the rare earth metals required in our batteries is intens...
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Emil Björnson was awarded the 2022 Tage Erlander Prize
The Royal Swedish Academy of Sciences has awarded Professor Emil Björnson with the 2022 Tage Erlander Prize for natural sciences and technology.
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Public defences of doctoral theses
Friday 2025-05-16, 09:15
Location: Ka-Sal C (Sven-Olof Öhrvik), Kistagången 16, Kista
Video link: https://kth-se.zoom.us/j/66273771970
Doctoral student: Mahmoud Zaher , Kommunikationssystem, CoS
2025-05-16T09:15:00.000+02:00 2025-05-16T09:15:00.000+02:00 Cell-Free Massive MIMO Networks (Public defences of doctoral theses) Ka-Sal C (Sven-Olof Öhrvik), Kistagången 16, Kista (KTH, Stockholm, Sweden)Cell-Free Massive MIMO Networks (Public defences of doctoral theses)