Abstract
In accordance ITU and 3GPP 5G-business models over 60% 5G application will be used in future IoT-networks with business models as URLLC/massive URLLC and massive MTC (mIoT). The 3.5 GHz band is one of the most popular frequency bands for initial phase of 5G network development for business model eMBB/xMBB. Accordance GSA information, more than 105 networks of 5G were deployed in 41 countries in August 2020. Additionally, 43 of 105 networks will be operating within C-band. But low bands which are below than 3,5 GHz were allocated 3GPP for 5G aims are more applicable for 5G IoT-networks development due to a huge network coverage and high penetration of radio waves into buildings. But low 3GPP bands of 5G are used 2G/3G and 4G networks. That's why the study of Spectrum sharing methods are high actuality for 5G IoT-networks development. In the article considered utilization of one of Spectrum sharing method based on Dynamic Spectrum Sharing (DSS) for 4G/5G co-located networks used IoT business model with massive IoT.