1. 3GPP. 2001. “TR 25.847: UE positioning enhancements: Technical specification group radio access network.” Accessed April 27, 2021. https://www.3gpp.org/ftp/Specs/archive/25_series/25.847/25847-400.zip.
2. 3GPP. (2019). TR 38.855 V16.0.0 (2019-03): Study on NR positioning support: Technical specification group radio access network. Retrieved April 30, 2021. https://www.3gpp.org/ftp//Specs/archive/38_series/38.855/38855-g00.zip
3. 3GPP. 2020a. “Release 17 timeline agreed.” Accessed April 26, 2021. https://www.3gpp.org/news-events/2145-rel-17_newtimeline.
4. 3GPP. (2020b). TR 21.916 V1.0.0 (2020-12) - release 16 description: Technical specification group services and system aspects. https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3493
5. 3GPP. 2021a. “S1-210175: Requirements for low power highly accurate positioning.” Accessed April 26, 2021. Requirements for low power highly accurate positioning.