LPWA Module Series
BG96 GNSS Application Note
BG96_GNSS_Application_Note 8 / 42
Before using this function, ensure the valid gpsOneXTRA assistance data is available. The gpsOneXTRA
binary file, which contains the assistance data, can be downloaded from the gpsOneXTRA Assistance web
server through URLs listed below. The module supports the following two kinds of files.
xtra2.bin
files for GPS and GLONASS. The file size is about 60 KB.
xtra3grc.bin
files for GPS, GLONASS and BeiDou. The file size is about 25 KB.
1.3.1. URLs for gpsOneXTRA File Downloading with AT+QHTTPGET
When downloading gpsOneXTRA files with
AT+QHTTPGET
(see
document [4]
for details), the files can
be downloaded from the URLs listed below. It is recommended to use this method for gpsOneXTRA file
downloading, and an example is provided in
Chapter 3.3.1.
http://xtrapath1.izatcloud.net/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.net/xtra3grc.bin
1.3.2. URLs for gpsOneXTRA File Downloading through MCU/Browser
When downloading gpsOneXTRA files through a browser or customer's own MCU, the files can be
downloaded from the URLs listed below.
http://xtrapath4.izatcloud.net/xtra2.bin
http://xtrapath5.izatcloud.net/xtra2.bin
http://xtrapath6.izatcloud.net/xtra2.bin
http://xtrapath4.izatcloud.net/xtra3grc.bin
http://xtrapath5.izatcloud.net/xtra3grc.bin
http://xtrapath6.izatcloud.net/xtra3grc.bin
1.3.3. Procedure of Using gpsOneXTRA Assistance Function
gpsOneXTRA assistance data needs to be updated regularly. The status of gpsOneXTRA data file can be
queried via
AT+QGPSXTRADATA?
.
The procedure of using gpsOneXTRA Assistance function is illustrated below:
Step 1
: If gpsOneXTRA Assistance is disabled, enable it first via
AT+QGPSXTRA
and then restart the
module to activate the function.
