Huawei MU736 HSPA M.2 Module GPS Application Guide (V100R001 01, English)

2013-03-29

• Revision History
• 1 Introduction
• 2 GPS Test Procedure
  • 2.1 Enabling or Disabling GPS
  • 2.2 GPS Test
    • In Windows 7 or Windows XP
      • Step 1 Right-click My Computer, and choose Manage from the shortcut menu. In the displayed Computer Management window, click Device Manager in the left pane, and check for HUAWEI Mobile Connect-3G GPS Interface (COM 25) under Ports in the right pane.
      • Step 2 Open the HyperTerminal and select the GPS port.
      • Step 3 The module starts to search the current location, and reports NMEA data.
      • Step 4 Disconnect the GPS port on HyperTerminal to stop GPS location and NMEA data reporting.
    • In Windows 8
  • 2.3 A-GPS Test
    • Step 1 Load the Secure User Plane Location (SUPL) server and certificate information onto the nonvolatile storage of the MU736 module.
    • Step 2 Insert a SIM card that has subscribed to network services into the MU736 module. Then set up a dial-up connection.
  • 2.4 GPS Positioning in Windows 8
    • 2.4.1 Using the Sensor Diagnostic Tool
      • Step 1 Connect the MU736 module to one of the USB ports on a PC.
      • Step 2 Right-click My Computer, and choose Manage from the shortcut menu. In the displayed Computer Management window, click Device Manager in the left pane, and check for HUAWEI GNSS Sensor under Sensors in the right pane.
      • Step 3 Close the window. Perform either of the following:
      • Step 4 Set up a dial-up connection.
      • Step 5 While the GPS antenna is located in an open sky environment, open the Sensor Diagnostic Tool. The Sensor Diagnostic Tool user interface is displayed, and GPS positioning starts.
      • Step 6 In the left pane, select HUAWEI GNSS Sensor under Sensors.
    • 2.4.2 Using the Maps Application
      • Step 1 Open Maps.
      • Step 2 To have a better view of the current location, click Map style at the bottom and select Aerial view.
• 3 GPS Tool User Guide
  • 3.1 Overview
  • 3.2 Test Procedure
    • 3.2.1 Setting the Debug Mode
      • Step 1 Open the GPS Tool.
      • Step 2 Get the interface friendly name.
    • 3.2.2 Configuring the Dialog Windows
      • Create a New Result Log File
        • Step 1 Create a new Result Log file to store the locate process log (named gps_log) in Configuration > NMEA.
        • Step 2 Create a new Result Log file to store the position data output (named gps_result) in Testing.
        • Step 3 Press Start Logging button.
      • Configure the Fix Settings
        • Step 1 Set the NMEA output Interval, by which you can set the NMEA sentences output interval. (The default value is 1s.)
        • Step 2 Set the NO. of Iterations, by which you can decide how many GPS sessions you want to try (It depends on yourself, if you have enough time, the more is the better. )
        • Step 3 Set the Fix Time Out, by which you can set a GPS session duration. (The default value is 300s.)
        • Step 4 Set the Tracking Interval, by which you can set a GPS Tracking session interval (only for Stand Alone Tracking test, in which the NMEA output Interval must be the multiple times of Tracking Interval).
      • Configure the AT Port
        • Step 1 Select the AT port.
        • Step 2 Select the PC UI Interface in Port list.
        • Step 3 Set the Baud rate to 115200.
        • Step 4 Mark the checkboxes (RTS and DTR).
        • Step 5 Connect the PC UI Interface as AT port.
      • Start the GPS Test
        • Step 1 Select Test Type, such as Stand Alone Cold Start. Note that if you want to select the SUPL MS based, you should dial-up and surf on internet at first.
        • Step 2 Press Start Test button to start the GPS session.
      • Configure the NMEA Port
        • Step 1 Select the NMEA port.
        • Step 2 Select the GPS Interface in Port list.
        • Step 3 Set the Baud rate to 115200.
        • Step 4 Mark the checkboxes (RTS and DTR).
        • Step 5 Connect the GPS Interface as NMEA port.
  • 3.3 Checking Window Display
    • 3.3.1 Checking Signal Quality Window
    • 3.3.2 Checking Location Data Window
    • 3.3.3 Checking A-GPS Location Window
  • 3.4 Calculating CEP
    • 3.4.1 Averaging TTFF
    • 3.4.2 Calculating CEP
      • Step 1 Input Truth Latitude value with direction.
      • Step 2 Input Truth Longitude value with direction.
      • Step 3 Input log file (the same as the position data output document (named gps_result.txt) as substep 3-5 in the following figure.
      • Step 4 Press Calculate CEP button as substep 6.
  • 3.5 Exiting the GPS Tool
• 4 Acronyms and Abbreviations