Ericsson Spectrum Sharing Test Offers Proof of Concept for 5G Dynamic Spectrum Sharing

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1Q 2020 | IN-5700


Dynamic Spectrum Sharing Aids the Move Toward 5G


Dynamic Spectrum Sharing (DSS), from the 3rd Generation Partnership Project (3GPP) Release 15, allows operators to allocate a portion of the 4G spectrum to be used for 5G, offering more widespread, early coverage and usage by both 4G and 5G devices simultaneously, as well as a smooth migration from 4G to 5G. As 4G and 5G are both based on Orthogonal Frequency-Division Multiplexing (OFDM), they can coexist on the same frequency simultaneously, negating the need for the spectrum to be re-farmed before 5G devices can take advantage of a part of it. This will be used particularly in the sub-6 GHz frequencies to improve 5G coverage. To ensure that 5G increases bandwidth, reduces congestion, and improves latency, DSS will help ensure that a device stays connected to 5G for as long as possible, ensuring that is has access to high-speed connectivity when required. DSS will aid the move from non-standalone to standalone and, once 5G is more widespread, it will aid with network slicing, allowing parts of the spectrum to be allocated for different use cases.


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