1. GPP TS 36.355 V12.2.0. LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); LTE Positioning Protocol (LPP) (3GPP TS 36.355 version 12.2.0 Release 12), October 2014
2. Thorpe, M., Kottkamp, M., Rössler, A., Schütz J.: LTE Location Based Services Technology Introduction. Rohde & Schwarz, April 2013
3. Fischer, S.: Observed Time Difference of Arrival (OTDOA) Positioning in 3GPP LTE. Qualcomm Technologies, June 2014
4. GPP TS 36.211 V12.3.0. LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation (3GPP TS 36.211 version 12.3.0 Release 12, October 2014
5. GPP TS 36.214 V12.0.0. LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer; Measurements (3GPP TS 36.214 version 12.0.0 Release 12), October 2014