B.2 UTRAN UE measurement reports for A-GPS L1 C/A only
37.571-13GPPPart 1: Conformance test specificationRelease 16TSUser Equipment (UE) conformance specification for UE positioning
In case of UTRAN UE-assisted A-GPS L1 C/A only, the measurement parameters are contained in the RRC UE POSITIONING GPS MEASURED RESULTS IE (clause 10.3.7.93 in 3GPP TS 25.331 [30]). The measurement parameters required for calculating the UE position are:
1) Reference Time: The UE has two choices for the Reference Time:
a) "UE GPS timing of cell frames";
b) "GPS TOW msec".
2) Measurement Parameters: 1 to <maxSat>:
a) "Satellite ID (SV PRN)";
b) "Whole GPS chips";
c) "Fractional GPS Chips";
d) "Pseudorange RMS Error".
Additional information required at the system simulator:
1) "UE positioning GPS reference UE position" (clause 10.3.8.4c in 3GPP TS 25.331 [30]):
Used for initial approximate receiver coordinates.
2) "UE positioning GPS navigation model" (clause 10.3.7.94 in 3GPP TS 25.331 [30]):
Contains the GPS ephemeris and clock correction parameters as specified in [8]; used for calculating the satellite positions and clock corrections.
3) "UE positioning GPS ionospheric model" (clause 10.3.7.92 in 3GPP TS 25.331 [30]):
Contains the ionospheric parameters which allow the single frequency user to utilize the ionospheric model as specified in [8] for computation of the ionospheric delay.