LTE in Unlicensed Spectrum

The “history” of 3GPP system “entering” the unlicensed spectrum regime seems to happened already a long time ago. Tight LTE interworking with WiFi is one way for the MNOs to offload traffic. The other one, discussed within this blogpost, is based on a specialized design of LTE system to be able to cope with ISM/license exempt bands’ special requirements e.g., fair coexistence with other users of this spectrum (e.g. Legacy WiFi).

3GPP Release-15: Further LTE Enhancements and 5G Normative Work Kick-off

LTE-Advanced Pro1 was defined within Rel-13, but the standardization didn’t stop there. Further LTE enhancements have been introduced in Rel-14 and recently started Rel-15. In parallel to LTE evolution, both releases initialized, the first set of study and work items towards 5G.  While Rel-14 focused solely on 5G study items, the normative work for the […]

“3GPP Spectrum Access Evolution Towards 5G” – a survey paper co-authored by Grandmetric

The survey article co-authored by Grandmetric and Movilo, “3GPP Spectrum Access Evolution Towards 5G“, Michal Szydelko and Marcin Dryjanski [1], presents the evolution of: EUTRA frequency bands, Spectrum aggregation mechanisms, Spectrum licensing, Duplexing schemes, Spectrum sharing, Spectrum refarming techniques, within 3GPP, with the focus on LTE-Advanced Pro [2] and beyond. Note: this article reflects the […]