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MS-based A-GNSS

MS-based A-GNSS method is through the PS region, so the customer must set the A-GNSS server and PDP context profile.

When using MS-based mode,

the mode will transform to standalone mode automatically after getting the ephemeris information from the server.

MS-based mode is serial fixed.

 

♦ The APN should be set to the real APN string set by the carrier.

♦ The GNSS server address is provided by the local carrier.

♦ The certificate is provided by a local carrier.

 

 

 

1. 명령시퀀스: MS-based A-GNSS, Not support certificate by A-GNSS server

 

No Command Response Description
1

AT+CGSOCKCONT=1,”IP”,

”myAPN”

  Set APN/PDP context profile.
2

AT+CGPSURL=”111.222.333.444:

8888”

  Set the GNSS server address.
3 AT+CGPSSSL=0   Set the transport security mode.
4 AT+CGPS=1,2   Start GNSS
5 AT+CGPSINFO   Get fixed position
   

+CGPSINFO:3113.393766,N,

12121.176625,E,061108,075358.0,19.5,0

Response from AT Port.
   

$GPGSV,3,1,11,02,19,142,20,08,16,045,

21,09,19,180,22,10,41,063,29*7B

$GPGSV,3,2,11,15,77,317,46,18,09,286,

31,21,28,315,43,24,73,310,47*7F

$GPGSV,3,3,11,26,53,241,31,27,

39,158,20,29,30,250,41*45

$GPGGA,013925.0,3113.340070,N,

12121.176208,E,1,08,2.9,164.0,M,,,,*08

$GPRMC,013925.0,A,3113.340070,N,

12121.176208,E,,,150509,,,A*61

$GPGSA,A,3,08,10,15,18,21,24,26,29,,,,,

4.4,2.9,3.3*37

$GPVTG,,T,,M,0.0,N,0.0,K*4E

. . . . . .

Response from NMEA Port.

 

 

 

2. 명령시퀀스: MS-based A-GNSS, Support certificate by A-GNSS server

 

No Command Response Description
1 Import Certificate by PC Tool  

Import certificate.

The certificate must be imported into EFS by PC tool.

2

AT+CGSOCKCONT=1,”IP”,

”myAPN”

  Set APN/PDP context profile.
2

AT+CGPSURL=”111.222.333.444:

8888”

  Set the GNSS server address
3 AT+CGPSSSL=1   Set the transport security mode
4 AT+CGPS=1,2   Start GNSS
5 AT+CGPSINFO   Get fixed position
   

+CGPSINFO: 3113.393766,N,

12121.176625,E,061108,075358.0,19.5,0

Response from AT port
   

$GPGSV,3,1,11,02,19,142,20,08,16,045,

21,09,19,180,22,10,41,063,29*7B

$GPGSV,3,2,11,15,77,317,46,18,09,286,

31,21,28,315,43,24,73,310,47*7F

$GPGSV,3,3,11,26,53,241,31,27,39,158,

20,29,30,250,41*45

$GPGGA,013925.0,3113.340070,N,

12121.176208,E,1,08,2.9,164.0,M,,,,*08

$GPRMC,013925.0,A,3113.340070,N,

12121.176208,E,,,150509,,,A*61

$GPGSA,A,3,08,10,15,18,21,24,26,29,,,,,

4.4,2.9,3.3*37

$GPVTG,,T,,M,0.0,N,0.0,K*4E. . . . . . . .

Response from NMEA Port.

 

 

 

 

 

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