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

The students' report on Starlink has been downloaded over 7500 times
How is satellite-based internet affected by rain and time of day? KTH students Emil Fredriksson and Céline Careau investigated this in their thesis - and they got it right. Their report has now been d...
Read the articleResearch 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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Licentiate seminars
Thursday 2025-09-11, 10:00
Location: Harry Nyquist, C:728, Malvinas väg 10, main Campus
Doctoral student: Amna Irshad , Kommunikationssystem, CoS
2025-09-11T10:00:00.000+02:00 2025-09-11T10:00:00.000+02:00 Massive Spatial Multiplexing Using Large Aperture Antenna Arrays (Licentiate seminars) Harry Nyquist, C:728, Malvinas väg 10, main Campus (KTH, Stockholm, Sweden)Massive Spatial Multiplexing Using Large Aperture Antenna Arrays (Licentiate seminars)