Tecnologia de posicionamento celular Quectel

QuecLocator

Application Note

GSM/GPRS Module Series

Rev. QuecLocator_Application_Note_V3.2

Date: 2013-05-14

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QuecLocator Application Note

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About the document

History

Revision Date Author Description

3.0 2013-03-11 Kim JIN Initial

3.1 2013-03-23 Kim JIN Modified return values of AT+QCELLLOC.

3.2 2013-05-14 Kim JIN

Modified the application scope for QuecLocator

function.

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Contents

About the document .................................................................................................................................. 2

1 Introduction ......................................................................................................................................... 4

2 Cellular location .................................................................................................................................. 5

3 Cellular location commands description .......................................................................................... 7

3.1. AT+QCELLLOC Get location and time .................................................................................... 7

4 Appendix A Reference ......................................................................................................................... 9

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1 Introduction

QuecLocator is the abbreviation of Quectel’s cellular positioning technology, which can enhance and

complement stand-alone GNSS performance in conjunction with information from mobile network cells

particularly in challenging signal environments, such as urban canyon, indoors, in enclosed park houses

or when GNSS jamming signals are present.

This document gives you a detailed introduction to Queclocator and describes how to enable this

functionality via AT Command.

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2 Cellular Location

Global Navigation Satellite System (GNSS) has been widely used because of its accurate and stable

positioning capability. But it is not always possible in the challenging signal environments, such as when

GPS receiver works indoors, in urban canyon, under the elevated