ETSI TS 101 528
ETSI TS 101 528
Digital cellular telecommunications system (Phase 2+) (GSM); Location Services (LCS); Broadcast Network Assistance for Enhanced Observed Time Difference (E-OTD) and Global Positioning System (GPS) Positioning Methods (GSM 04.35 version 7.0.1 Release 1998)
standard published 01/01/2000 by European Telecommunications Standards Institute