One of the key components in recent advances of cellular communication systems is the ability to exploit spatial characteristics of the mobile channel. The possibility to simultaneously transmit multiple data streams on the same time- and frequency grid opens up substantial increase in data throughput. 

The talk will introduce the foundations of beamforming and the processing of spatially distributed antennas (starting from the very ground up). Connections will also be made to standardization, i.e. SU-MIMO and MU-MIMO in 3GPP 4G/5G. 

Beamforming as such, i.e. the ability to form steerable beams in space, has been known for a very long time. However, discussions will be given why only recently it is becoming a key component in the design of cellular system design. 

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