DSS refers to spectrum sharing between LTE technology and the newly introduced 5G New Radio. Apart from spectrum, they also share modulation schemes. Spectrum below the 6Ghz is in short supply. Therefore, governments are trying to allocate new spectrum for NR networks, like the C-Band (frequency ranges from 4.0 to 8.0 GHz) which is a work in progress.

We can also see CBRS (Citizen Broadband Radio Service, the 3.5Ghz band 48) being implemented for mobile network operators, Mobile Virtual Network Operators, Private LTE, and Wireless Service Providers.

DSS help MNOs to utilize the current spectrum for both NR and LTE networks. And since NR devices are still minimal, MNOs can still use most of the spectrum for LTE devices, and allocate NR spectrum as demand grows.

LTE-M and NB-IoT devices are used to capture data from sensors installed by users for specific application. These sensors send data via the LTE network to the cloud infrastructure like the Octave by Sierra wireless. Sierra wireless leverage the mobile virtual network for their smart connectivity with devices such as these IoT Gateways to connect to cloud, enabling multi-connectivity for better availability.

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Due to DSS, the spectrum used by LTE-M and NB-IoT does not need to be completely allocated to NR devices. They can co-share especially since the overhead from the IoT devices is still very low. With dynamic allocation between NR vs LTE-M and NB-IoT by MNOs, the spectrum is utilized properly. In the long run, this allows for the IoT devices to be supported on the LTE networks. for a longer life span or at least their useful lives as adoption of NR devices grows.

Check out this remote monitoring blog and how RTUs are using LTE or 5G-NR connectivity to connect IoT devices in a network to the cloud. You can implement an IoT system at home, business, smart farm, or other enterprises to increase efficiency and proper management.