From: Research on multi-constellation GNSS compatible acquisition strategy based on GPU high-performance operation
GNSS signal
PRN code length
PRN code period (ms)
modulation mode
PRN code type
GPS L1 C/A
1023
1
BPSK
Gold code
Galileo E1B
4092
4
BOC
Memory code
GLONASS L1
511
M sequence
Beidou B1I
2046