Assistance Data Generation
Satellite Navigation
188
User Manual 1178.6379.02 ─ 01
Table 16-5: Time parameter
GNSS satel-
lite
Parameter
Description
Unit
GPS, Galileo,
QZSS, BeiDou
GNSS TOW
Receiver referenced GNSS time of
week
s
GLONASS
If "Data Format = 3GPP"
Time of Validity
Elapsed time, relative to GLONASS
time of assistance data
ms
If "Data Format =
Rohde
&
Schwarz"
GLO ToD
Receiver referenced GLONASS system
time;
ToD (Time of Day) in the Glonass Time
Basis GLO
s
The generated acquisition file is conformed to the format appended to standards
Table 16-6: Contents of the generated acquisition file (one acquisition block)
Parameter
Description
Unit
(GPS, BeiDou)
Unit
(GLONASS, Galileo)
SVID/PRNID
Satellite ID that corresponds to
the record
-
-
Doppler (0th
order term)
Zero order Doppler term
Hz
Hz
Doppler (1st
order term)
First order Doppler term
Hz/sec
Hz/sec
Doppler
Uncertainty
Uncertainty Doppler
Hz
m/s
Code Phase
Code phase
Or half-Chip index at epoch
Time of Transmission (GPS Sat
Time)
Chips
ms
Integer Code
Phase
Integer Code Phase
Or ms unit index at epoch Time
of Transmission (GPS Sat
Time)
-
ms
GPS Bit Number
Corresponding bit number
(modulo 4) at epoch Time of
Transmission (GPS Sat Time)
-
n.a.
Code Phase
Search Window
Correlation code phase search
radius
Chips
ms
Azimuth
Azimuth angle of the satellite in
ENU coordinate system cen-
tered at reference point
deg
deg
Elevation
Elevation angle of the satellite
in ENU coordinate system cen-
tered at reference point
deg
deg