User's Manual
LE920A4 HW User Guide Miscellaneous Functions
Doc#: 1VV0301261 GNSS Characteristics
Rev. 4.3 Page 97 of 123 2017-12-07
GNSS Characteristics
Table 45 specifies the typical GNSS characteristics and expected performance. The
values reflect typical environment and conditions.
Table 45: GNSS Characteristics
Parameters
Typical
Measurement
Notes
Sensitivity
Standalone or MS-based
tracking sensitivity
-162.3 dBm
Acquisition -162.3 dBm
Cold start sensitivity -157.5 dBm
TTFF
Hot 1.1s
GPS+GLONASS Simulator
test
Warm 22.1s
GPS+GLONASS Simulator
test
Cold 29.94s
GPS+GLONASS Simulator
test
Accuracy 0.8m
GPS+GLONASS Simulator
test
Min navigation update rate 1 Hz
Dynamics 2g
Operation limits 515 m/sec
A-GPS Supported