通过移远M26模块中的GSM定位.pdf

发布时间：2022-06-21 发布人：admin 分类：说明书资料大小：0.69M 资料格式：pdf 举报版权申诉

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About the document

1 Introduction

2 Cellular Location

3 Commands Description

3.1. AT+QCELLLOC Get Current Location

4 Appendix A Reference

QuecLocator Application Note GSM/GPRS Module Series Rev. QuecLocator_Application_Note_V3.3 Date: 2013-06-08 www.quectel.com

GSM/GPRS Module QuecLocator Application Note Our aim is to provide customers with timely and comprehensive service. For any assistance, please contact our company headquarter: Quectel Wireless Solutions Co., Ltd. Room 501, Building 13, No.99, Tianzhou Road, Shanghai, China, 200233 Tel: +86 21 5108 6236 Mail: info@quectel.com Or our local office, for more information, please visit: http://www.quectel.com/quectel_sales_office.html For technical support, to report documentation errors, please visit: http://www.quectel.com/tecsupport.aspx GENERAL NOTES QUECTEL OFFERS THIS INFORMATION AS A SERVICE TO ITS CUSTOMERS. 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 INFORMATION CONTAINED HEREIN, AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY, LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION. ALL INFORMATION SUPPLIED HEREIN ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. COPYRIGHT THIS INFORMATION CONTAINED HERE IS PROPRIETARY TECHNICAL INFORMATION OF QUECTEL CO., LTD. TRANSMITTABLE, REPRODUCTION, DISSEMINATION AND EDITING OF THIS DOCUMENT AS WELL AS UTILIZATION OF THIS CONTENTS ARE FORBIDDEN WITHOUT PERMISSION. OFFENDERS WILL BE HELD LIABLE FOR PAYMENT OF DAMAGES. ALL RIGHTS ARE RESERVED IN THE EVENT OF A PATENT GRANT OR REGISTRATION OF A UTILITY MODEL OR DESIGN. Copyright © Quectel Wireless Solutions Co., Ltd. 2013. All rights reserved. QuecLocator_Application_Note Confidential / Released 1 / 9 Quectel Confidential

GSM/GPRS Module QuecLocator Application Note About the document History Revision Date Author Description 2013-03-11 Kim JIN Initial 2013-03-23 Kim JIN Modified return values of AT+QCELLLOC. 2013-05-14 Kim JIN 2013-06-07 Kim JIN Modified the application scope for QuecLocator function. Modified the functional description of QuecLocator. 3.0 3.1 3.2 3.3 QuecLocator_Application_Note Confidential / Released 2 / 9 Quectel Confidential

GSM/GPRS Module QuecLocator Application Note Contents About the document ................................................................................................................................... 2 1 Introduction .......................................................................................................................................... 4 2 Cellular Location .................................................................................................................................. 5 3 Commands Description ....................................................................................................................... 7 3.1. AT+QCELLLOC Get Current Location ..................................................................................... 7 4 Appendix A Reference ......................................................................................................................... 9 QuecLocator_Application_Note Confidential / Released 3 / 9 Quectel Confidential

GSM/GPRS Module QuecLocator Application Note 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. QuecLocator_Application_Note Confidential / Released 4 / 9 Quectel Confidential

GSM/GPRS Module QuecLocator Application Note 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 GNSS receiver works indoors, in urban canyon, under the elevated bridge or GNSS signal is influenced by jamming. Wireless cells are widely available in urban and rural environments, which can enable QuecLocator service to estimate the position on the basis of surrounding mobile network information. The QuecLocator, combined with the technology of cellular location, can be supported where GSM network coverage is available. QuecLocator allows Quectel wireless modules to provide positioning service only with cell base station. QuecLocator can works alone with no need for a GNSS receiver. So if GNSS signals are blocked or influenced by jamming, (such as within tunnels, buildings or metallic containers,) Quectel modules with QuecLocator technology can also provide rough location information. QuecLocator_Application_Note Confidential / Released 5 / 9 Quectel Confidential

GSM/GPRS Module QuecLocator Application Note Benefits of QuecLocator The advantages of using QuecLocator are the following:  Indoor positioning: GNSS signal is not available indoors or in other enclosed places. QuecLocator can provide position information in these situations.  For some specific application, an estimated position is enough. Then a GNSS module can be retrenched.  Convenient to use: QuecLocator can be used wherever the base station service is available. With the cells’ information, the current location can be easily displayed via QuecLocator.  Broad application scope: QuecLocator is based on the density of network cells. It can work where GNSS is not available. When a GNSS jamming device is used, QuecLocator can also offer the location service. QuecLocator_Application_Note Confidential / Released 6 / 9 Quectel Confidential

GSM/GPRS Module QuecLocator Application Note 3 Commands Description 3.1. AT+QCELLLOC Get Current Location This AT command is used to get the current location through QuecLocator. AT+QCELLLOC Get Current Location Test Command AT+QCELLLOC=? Response +QCELLLOC: 1 OK Write Command Response AT+QCELLLOC= +QCELLLOC: , OK else response ERROR Reference Parameter Location method. 1 Get current location by the cell’s information. The longitude of the location information. This value should be accurate to six after the decimal point, and the range is <-180.000000 to 180.000000>. The latitude of the location information. This value should be accurate to six after the decimal point, and the range is <-90.000000 to 90.000000>. NOTE There will be around 200 bytes of upstream data every time using this function to get location. And the received data from server are around 200 bytes. QuecLocator_Application_Note Confidential / Released 7 / 9 Quectel Confidential

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