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LPWA  Module  Series 

                                                                                                      BG96  GNSS  Application  Note

 

BG96_GNSS_Application_Note                                                                                                                20 / 42 
 
 
 

Parameter

 

 

2.2.1.11. 

AT+QGPSCFG="estimation_error"    Get Estimated Position Error 

This command acquires the estimated position error. 

stance_threshold> 

 

OK   

 

If 

<distance_threshold>

 is omitted, set the speed threshold 

only and the distance threshold is 0 by default: 

OK 

 

If 

<speed_threshold> 

and

  <distance_threshold>

  are 

specified, set the speed and distance thresholds: 

OK 

 

If there is any error related to ME functionality: 

+CME ERROR: <errcode>

 

Maximum Response Time 

300 ms 

Characteristics 

The command takes effect immediately. 

The configuration is saved automatically. 

Reference 

 

<speed_threshold>               

 Float type. Speed threshold. If the speed is less than the threshold, the speed 

in the NMEA sentence is 0. Default value: 0.15 m/s. Range: 0.00

–2.00. Unit: 

m/s.

 

<distance_threshold>             

Integer  type.  Distance  threshold

.

  If  the  moved  distance  is  less  than  the 

threshold, the position in 

the 

NMEA sentence will not be updated and the last 

position will be used. Default value: 0. 0 means the position is always updated. 

Range: 0

10

000. Unit: m.

   

<errcode>                                 

Integer type. Error code of operation. See 

Chapter 4

 for details.

 

AT+QGPSCFG="estimation_error"    Get Estimated Position Error 

Execution Command 

AT+QGPSCFG="estimation_error" 

Response 

+QGPSCFG:  "estimation_error",<hori_unc>,<vert_unc>,

<speed_unc>,<head_unc> 

 

OK 

 

Содержание BG96

Страница 1: ...BG96 GNSS Application Note LPWA Module Series Rev BG96_GNSS_Application_Note_V1 2 Date 2020 06 23 Status Released www quectel com...

Страница 2: ...RS THE INFORMATION PROVIDED IS BASED UPON CUSTOMERS REQUIREMENTS QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INF...

Страница 3: ...0 06 23 Matt YE Mac ZHU Alfred LI 1 Added the URLs for gpsOneXTRA file downloading through MCUs browsers in Chapter 1 3 2 Updated AT QGPSCFG outport in Chapter 2 2 1 1 3 Added AT QGPSCFG speed_thresho...

Страница 4: ...1 3 AT QGPSCFG gpsnmeatype Configure Output Type of GPS NMEA Sentences 13 2 2 1 4 AT QGPSCFG glonassnmeatype Configure Output Type of GLONASS NMEA Sentences 14 2 2 1 5 AT QGPSCFG galileonmeatype Confi...

Страница 5: ...o fence 32 2 2 10 2 AT QCFGEXT deletegeo Delete a Geo fence 34 2 2 10 3 AT QCFGEXT querygeo Query the Position with Respect to Geo fence 35 3 Examples 36 3 1 Turn on and off the GNSS 36 3 2 Applicatio...

Страница 6: ...es BG96 GNSS Application Note BG96_GNSS_Application_Note 5 42 Table Index Table 1 Type of AT Commands and Responses 10 Table 2 Summary of Error Codes 40 Table 3 Related Documents 41 Table 4 Terms and...

Страница 7: ...the network GNSS turning on off procedures are shown below Step 1 Configure GNSS parameters via AT QGPSCFG Step 2 Turn on GNSS via AT QGPS Step 3 After GNSS is turned on and position is fixed success...

Страница 8: ...s the prefixes are GA and GN as below GAGSV GNSS satellites in view such as number of satellites in view and satellite ID numbers GNGSA GNSS DOP and active satellites GNGNS GNSS fix data For BeiDou se...

Страница 9: ...xtra2 bin http xtrapath2 izatcloud net xtra2 bin http xtrapath3 izatcloud net xtra2 bin http xtrapath1 izatcloud net xtra3grc bin http xtrapath2 izatcloud net xtra3grc bin http xtrapath3 izatcloud ne...

Страница 10: ...to the procedures described in Chapter 1 1 directly Step 3 Download file xtra2 bin or xtra3grc bin to the module via URLs listed above Step 4 Inject the correct gpsOneXTRA time to GNSS engine via AT...

Страница 11: ...ault setting of a parameter 2 1 2 AT Command Syntax The AT or at prefix must be added at the beginning of each command line Entering CR will terminate a command line Commands are usually followed by a...

Страница 12: ...rted outport s list of supported baud_rate s QGPSCFG nmeasrc list of supported NMEA_src s QGPSCFG gpsnmeatype range of supported GPS_NMEA_type s QGPSCFG glonassnmeatype range of supported GLONASS_NMEA...

Страница 13: ...e port baud rate when outport is uartnmea or auxnmea OK If there is any error related to ME functionality CME ERROR errcode Maximum Response Time 300 ms Characteristics The command takes effect immedi...

Страница 14: ...t setting QGPSCFG nmeasrc NMEA_src OK If the optional parameter is specified set whether to enable the acquisition of NMEA sentences via AT QGPSGNMEA OK If there is any error related to ME functionali...

Страница 15: ...R errcode Maximum Response Time 300 ms Characteristics The command takes effect immediately The configuration is saved automatically Reference GPS_NMEA_type Integer type Output type of GPS NMEA senten...

Страница 16: ...ately The configuration is saved automatically Reference GLONASS_NMEA_type Integer type Output type of GLONASS NMEA sentences by ORed 0 Disable 1 GSV 2 GSA 4 GNS errcode Integer type Error code of ope...

Страница 17: ...of operation See Chapter 4 for details AT QGPSCFG beidounmeatype Configure Output Type of BeiDou NMEA Sentences Write Command AT QGPSCFG beidounmeatype Beidou_NMEA_type Response If the optional parame...

Страница 18: ...NMEA_type Response If the optional parameter is omitted query the current setting QGPSCFG gsvextnmeatype GSVEXT_NMEA_type OK If the optional parameter is specified set whether to enable the output of...

Страница 19: ...omitted query the current setting QGPSCFG gnssconfig GNSS_config OK If the optional parameter is specified set the supported GNSS constellations OK If there is any error related to ME functionality CM...

Страница 20: ...omatic running of GNSS OK If there is any error related to ME functionality CME ERROR errcode Maximum Response Time 300 ms Characteristics The command takes effect after rebooting The configuration is...

Страница 21: ...takes effect immediately The configuration is saved automatically Reference speed_threshold Float type Speed threshold If the speed is less than the threshold the speed in the NMEA sentence is 0 Defau...

Страница 22: ...Float type Horizontal estimated velocity error Unit m s head_unc Float type Estimated heading error Unit degree errcode Integer type Error code of operation See Chapter 4 for details AT QGPSCFG nmea_e...

Страница 23: ...ring type Data valid indication A Data valid V Data invalid HDOP Float type Horizontal dilution of precision hori_unc Float type Horizontal estimated position error Unit meter vert_unc Float type Vert...

Страница 24: ...s are permitted after starting GNSS 2 Delete some related data Perform warm start if the conditions are permitted after starting GNSS 3 Delete the gpsOneXTRA assistance data injected into GNSS engine...

Страница 25: ...ching It also includes the time for demodulating the ephemeris data and calculating the position The default value will be used if the parameter is omitted Range 1 255 Default value 30 Unit second fix...

Страница 26: ...rted time s OK Read Command AT QGPSLOC Response Return the positioning information in latitude longitud e format of ddmm mmmmN S dddmm mmmmE W QGPSLOC UTC latitude longitude HDOP alt itude fix COG spk...

Страница 27: ...South latitude longitude Float type Longitude If mode is 0 Format dddmm mmmmE W Quoted from GPGGA sentence ddd 000 179 Unit degree mm mmmm 00 0000 59 9999 Unit minute E W East longitude West longitude...

Страница 28: ...Speed over ground Format xxxx x unit Km h accurate to one decimal place Quoted from GPVTG sentence spkn Float type Speed over ground Format xxxx x Unit knots Accurate to one decimal place Quoted from...

Страница 29: ...VTG Response QGPSGNMEA VTG_sentence OK If there is any error related to ME functionality CME ERROR errcode Write Command Acquire GNS sentences AT QGPSGNMEA GNS Response QGPSGNMEA GNS_sentence OK If th...

Страница 30: ...le Before injecting gpsOneXTRA data file gpsOneXTRA time GSA VTG GNS errcode Integer type Error code of operation See Chapter 4 for details AT QGPSXTRA Enable Disable gpsOneXTRA Assistance Function Te...

Страница 31: ...mmand Inject gpsOneXTRA time AT QGPSXTRATIME op XTRA_ti me UTC force uncrtn Response OK If there is any error related to ME functionality CME ERROR errcode Maximum Response Time 300 ms Characteristics...

Страница 32: ...rite Command Inject gpsOneXTRA data file AT QGPSXTRADATA XTRA_data_fi lename Response OK If there is any error related to ME functionality CME ERROR errcode Maximum Response Time 300 ms Characteristic...

Страница 33: ...AT QCFGEXT addgeo geoID mode shape lat1 lon1 lat2 lon2 lat3 lon3 lat4 lon4 Response If all parameters after addgeo are omitted query the current setting of all geo fences that have been added QCFGEXT...

Страница 34: ...le URC to be reported when entering the geo fence 2 Enable URC to be reported when leaving the geo fence 3 Enable URC to be reported when entering or leaving the geo fence The URC is shown as below QI...

Страница 35: ...Format ddd dddddd Range 180 000000 to 180 000000 lat2 When shape is 0 this parameter is a radius Unit meter Range 0 6000000 When shape is other values this parameter is a latitude Unit degree Format d...

Страница 36: ...ID Range 0 10 10 means deleting all geo fences errcode Integer type Error code of operation See Chapter 4 for details AT QCFGEXT querygeo Query the Position with Respect to Geo fence Write Command AT...

Страница 37: ...51 00 3150 7223N 11711 9293E 0 7 62 2 2 0 00 0 0 0 0 110513 09 OK AT QGPSEND Turn off GNSS OK 3 2 Application of GNSS NMEA_src When GNSS is turned on and NMEA_src is set to 1 NMEA sentences can be acq...

Страница 38: ...irectly If gpsOneXTRA data file is invalid query via AT QGPSXTRADATA then perform the following procedures You can download the gpsOneXTRA data file through AT QHTTPGET from URL http xtrapath1 izatclo...

Страница 39: ...procedures You can download the gpsOneXTRA data file to PC or MCU from URL http xtrapath4 izatcloud net xtra3grc bin or other URLs listed in Chapter 1 3 2 AT QFUPL UFS xtra2 bin 60831 60 Select the g...

Страница 40: ...OK AT QCFGEXT querygeo 0 Query the position with respect to geo fence 0 QCFGEXT querygeo 0 1 The current position is inside the geo fence 0 OK When entering the geo fence 0 this URC will be reported...

Страница 41: ...code Meaning 501 Invalid parameter 502 Operation not supported 503 GNSS subsystem busy 504 Session is ongoing 505 Session not active 506 Operation timeout 507 Function not enabled 508 Time information...

Страница 42: ..._ Manual BG96 HTTP AT Commands Manual Table 4 Terms and Abbreviations Abbreviation Description BeiDou BeiDou Navigation Satellite System DOP Dilution of Precision Galileo Galileo Satellite Navigation...

Страница 43: ...s Memory PC Private Computer PDOP Position Dilution of Precision RMC Recommended Minimum Specific GNSS Data SNR Signal Noise Ratio SNTP Simple Network Time Protocol TTFF Time to First Fix UART Univers...

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