1. Study on Elevation Beamforming/Full-Dimension (FD) MIMO for LTE Release 13 2015
2. Technical Specification Group Services and System Aspects; Location Services (LCS); Service description; Stage 1 www.3gpp.org/specifications/specifications
3. Universal Geographical Area Description (GAD) www.3gpp.org/specifications/specifications
4. LCS Application Protocol (LCS-AP) between the MME and E-SMLC; SLs Interface www.3gpp.org/specifications/specifications
5. Evolved Universal Terrestrial Radio Access (E-UTRA); Requirements for Support of Radio Resource Management www.3gpp.org/specifications/specifications