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Method for improving satellite searching ability of global positioning system receiver

A global positioning system and receiver technology, used in positioning, radio wave measurement systems, instruments, etc., can solve problems such as increasing system costs and increasing the complexity of GPS receivers, and achieves improved satellite search capabilities, real-time performance, and adjustment. reasonable effect

Inactive Publication Date: 2007-08-08
XIAMEN YAXON NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former method cannot meet the changing needs of the actual situation, and the latter method increases the complexity of the GPS receiver and increases the cost of the system

Method used

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Comparison scheme
Effect test

Embodiment Construction

[0010] The method of the present invention for improving the satellite searching capability of the global positioning system receiver is aimed at: in the case of environmental interference, automatically reduce the positioning accuracy to ensure the timely positioning of the receiver; and in the case of no environmental interference, automatically restore the positioning accuracy to maintain High-precision mode positioning.

[0011] An embodiment of the present invention is: run a program on a GPS receiver with input and a mobile terminal that supports GPS data processing and GPS receiver parameter setting, and the program controls: read when the GPS receiver is in high-precision mode After the positioning data is invalid, modify the positioning accuracy setting parameters of the GPS receiver to make it work in low-precision mode; after the GPS receiver is in low-precision mode and read the positioning data is valid, modify the positioning accuracy setting parameters of the GPS...

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Abstract

The invention relates to a method for positioning using global positioning system (GPS) comprising, executing a program on the GPS receiver having the parameter configuration supporting the positioning accuracy and a mobile terminal supporting GPS data processing and GPS receiver parameter configuration which controls, when the read out positioning data is invalid in the high accuracy mode of the GPS, correcting the GPS receiver positioning accuracy configuration parameter, making it turn into low precision mode operation, when the read out positioning data is valid in the low accuracy mode of the GPS, correcting the GPS receiver positioning accuracy configuration parameter, making it turn into high precision mode operation.

Description

technical field [0001] The invention pertains to methods of positioning using radio waves by determining the coordination of two or more distances, in particular using the Global Positioning System (GPS). Background technique [0002] In the supervision and management of mobile vehicles, it is a new choice to use a vehicle-mounted mobile terminal with a Global Positioning System (GPS). It can provide positioning information such as latitude and longitude, speed and direction of the vehicle to the dispatch center at any time. The dispatch center usually manages the moving vehicles by extracting the location information of the controlled vehicle according to a fixed monitoring cycle (monitoring), receiving the location information provided by the controlled vehicle when it calls the police (alarm), and accepting the location information provided by the controlled vehicle throughout the process (location). . The positioning accuracy (PDOP) value of the GPS receiver of the veh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S5/02
Inventor 林星森刘彤商新维肖志军陈珙李家祥韦昌荣
Owner XIAMEN YAXON NETWORKS CO LTD