Huawei MU736 HSPA+ M.2 User guide

HUAWEI MU736 HSPA+ M.2 Module
GPS Application Guide
Issue
01
Date
2013-03-22

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HUAWEI MU736 HSPA+ M.2 Module
GPS Application Guide
About This Document
Issue 01(2013-03-22)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3
About This Document
Revision History
Document
Version
Date
Chapter
Descriptions
01
2013-03-22
Creation

HUAWEI MU736 HSPA+ M.2 Module
GPS Application Guide
Contents
Issue 01(2013-03-22)
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Contents
1 Introduction....................................................................................................................................5
2 GPS Test Procedure ......................................................................................................................6
2.1 Enabling or Disabling GPS............................................................................................................... 6
2.2 GPS Test.......................................................................................................................................... 6
2.3 A-GPS Test..................................................................................................................................... 10
2.4 GPS Positioning in Windows 8....................................................................................................... 10
2.4.1 Using the Sensor Diagnostic Tool ......................................................................................... 10
2.4.2 Using the Maps Application................................................................................................... 14
3 GPS Tool User Guide.................................................................................................................17
3.1 Overview ........................................................................................................................................ 17
3.2 Test Procedure ............................................................................................................................... 17
3.2.1 Setting the Debug Mode........................................................................................................ 17
3.2.2 Configuring the Dialog Windows ........................................................................................... 19
3.3 Checking Window Display.............................................................................................................. 26
3.3.1 Checking Signal Quality Window .......................................................................................... 26
3.3.2 Checking Location Data Window .......................................................................................... 28
3.3.3 Checking A-GPS Location Window....................................................................................... 28
3.4 Calculating CEP............................................................................................................................. 29
3.4.1 Averaging TTFF..................................................................................................................... 29
3.4.2 Calculating CEP .................................................................................................................... 31
3.5 Exiting the GPS Tool ...................................................................................................................... 33
4 Acronyms and Abbreviations...................................................................................................35

HUAWEI MU736 HSPA+ M.2 Module
GPS Application Guide
Introduction
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1 Introduction
The MU736 module incorporates a Global Positioning System (GPS) chipset capable
of GPS and network assisted GPS (A-GPS). The standalone GPS depends on GPS
satellites to provide location information, while theA-GPS functions in conjunction
with base stations as well as GPS satellites to improve the time to first fix (TTFF).
The purpose of this document is to guide how to do the GPS test.

HUAWEI MU736 HSPA+ M.2 Module
GPS Application Guide
GPS Test Procedure
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2 GPS Test Procedure
2.1 Enabling or Disabling GPS
The MU736 GPS module can have its GPS function enabled or disabled.
To disable GPS: Before the MU736 is powered on, pull down the
GPS_DISABLE_N (PIN 25) pin. Then after the MU736 is powered on, GPS is
disabled and cannot be enabled by using AT commands.
To enable GPS: Before the MU736 is powered on, pull up the GPS_DISABLE_N
(PIN 25) pin. Then after the MU736 is powered on, GPS is enabled and can be
disabled by using AT commands.
2.2 GPS Test
Ensure that the GPS antenna is located in an open sky environment.
In Windows 7 or Windows XP
On a computer running Windows 7 or Windows XP, use HyperTerminal to test the
GPS.
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.

HUAWEI MU736 HSPA+ M.2 Module
GPS Application Guide
GPS Test Procedure
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Step 2 Open the HyperTerminal and select the GPS port.
−1) Click the icon .
−2) Select COM25 in the Connect using list, and then click OK.
−3) Select 115200 in the Bits per second list, and then click OK.

HUAWEI MU736 HSPA+ M.2 Module
GPS Application Guide
GPS Test Procedure
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Step 3 The module starts to search the current location, and reports NMEA data.

HUAWEI MU736 HSPA+ M.2 Module
GPS Application Guide
GPS Test Procedure
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If the NMEAdata contains latitude and longitude values (for example,
2231.8378,N,11356.6409E), it means that the module obtains the current location
information.
Step 4 Disconnect the GPS port on HyperTerminal to stop GPS location and NMEA data
reporting.

HUAWEI MU736 HSPA+ M.2 Module
GPS Application Guide
GPS Test Procedure
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In Windows 8
On a computer running Windows 8, open a GPS-enabled map application to start
GPS location.
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.
The MU736 module has integrated the server and certificate information, and no
additional configuration is required. If an original equipment manufacturer (OEM)
needs to load the certificate other than the integrated one, the OEM can contact
Huawei to integrate the certificate into the PC Vendor tool. Once the certificate is
integrated into the PC Vendor, one-click is required to load the certificate and relevant
server information into 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.
The MU736 starts theA-GPS positioning.
2.4 GPS Positioning in Windows 8
2.4.1 Using the Sensor Diagnostic Tool
To use the Sensor Diagnostic Tool provided in the Windows driver program installation
kit:
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.