Radio environment maps generation and spectrum sensing testbed for spectrum sharing in 5G networks

To deliver on the data rate and latency promises of 5G, more spectrum resources below 6 GHz are required. Therefore the regulators are now promoting spectrum sharing. Having access to realtime spatio-temporal spectrum usage information enables efficient decision making and monitoring. This knowledge can be represented in Radio Environment Maps constructed through geolocation aware spectrum measurements. In this paper, we give an overview of the spectrum sharing concept and its emergence in 5G standardisation. We also present our research on spectrum sharing including methods for efficient and accurate generation of Radio Environment Maps and a practical radio spectrum measurements testbed.