Dynamic Spectrum Sharing (DSS): Practical Evaluation of Interference Effect and Mitigation in 5G NR Co-Existence with LTE
The industry has seen unprecedented growth and adoption of 5G. Compared to all its previous generations, 5G NR is the most accelerated cellular technology owing to its deployment flexibility and holistic use cases it can potentially address from mobile broadband to machine-type communications. Since 2019, the 5G deployment acceleration started with non-standalone (NSA) deployment.
Dynamic Spectrum Sharing (DSS) is a technique that enables “soft” re-farming of spectrum from LTE to NR by implementing the co-existence between these technologies in the same network without having to occupy the entire frequency band for either radio. Therefore, DSS has been one of the reasons for the acceleration of 5G NR deployment. In this paper, we study the effect of neighbor cell interference to NR downlink throughput and evaluate several techniques that can handle this phenomena from both device and network sides.
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