1. 3GPP TR 36.828, Further Enhancements to LTE Time Division Duplex for Downlink-Uplink Interference Management and Traffic Adaptation, Tech. rep., 3GPP Technical Report;3GPP,2012
2. TR 36.872: Small Cell Enhancements for E-UTRA and E-UTRAN - Physical Layer Aspects;3GPP,2013
3. 3GPP TR 36.814 Version 9.2.0, Release 9: Further Advancements for E-UTRA Physical Layer Aspects, Tech. rep., 3GPP Technical Report;3GPP,2017
4. 3GPP TR 36.913: Requirements for Further Advancements for Evolved Universal Terrestrial Radio Access (E-UTRA) (LTE-Advanced Release 14), Tech. rep., 3GPP Technical Report;3GPP,2017
5. 3GPP Technical Report 22.829 V17.1.0, Enhancement for Unmanned Aerial Vehicles, stage 1, Release 17.