3 Definitions and abbreviations

3GPP44.071GSM/EDGE Location Services (LCS)Mobile radio interface layer 3 LCS specificationRelease 17TS

3.1 Definitions

For the purposes of the present document, the following terms and definitions apply:

E-OTD Assistance Data Message: contains the RTD and BTS coordinates of the neighbours that should be used in E-OTD measurements. This E-OTD Assistance Data is broadcasted using CBCH channel using SMSCB DRX service. The reception of this broadcast message enables MS to calculate its own location.

GPS Assistance Data Message: contains GPS differential corrections. The reception of this broadcast message enables MS to have calculate more accurate location estimate.

GANSS Assistance Data Message: contains GANSS differential corrections. The reception of this broadcast message enables MS to have calculate more accurate location estimate.

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 and 3GPP TS 43.059.