Deutsche Telekom conducts trial of 5G enabling technology SIC

Deutsche Telekom HQ
Deutsche Telekom and Kumu Networks have conducted field trial of self-interference cancellation (SIC) technology to test the use of SIC, a potential 5G technology, to provide in-band full duplex communication.

The field trial on the local network of Deutsche Telekom in Prague, Czech Republic, focused on measuring the stability of the technology in a variety of deployment scenarios. The trial demonstrated the potential of the technology to increase spectral efficiency and its relevance as an enabler for 5G networks.

SIC solves the challenge of simultaneously transmitting and receiving signals at the same time and on the same frequency, thus significantly enhancing the spectral efficiency.

“We use field trials to get a better understanding of a technology’s potential and that helps us to identify use cases and applications in the context of 5G,” said Bruno Jacobfeuerborn, chief technology officer of Deutsche Telekom.

In-band full duplex communication can enable efficient implementation of new radio features to achieve greater spectral efficiency and boost network capacity. SIC could solve the small cell backhaul problem by allowing efficient re-use of spectrum.

“DT’s Prague trials provide evidence that the assumed theoretical advantages of self-interference cancelling radios are indeed feasible,” said Kumu Networks CEO David Cutrer.

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