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2010•Electronic Design EngineeringRequires access

Personal positioning system based on GPSOne

Xiaozhou Dong

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Abstract

In order to overcome the defects that the traditional GPS positioning system exists blind spots in the areas signal shield,and to meet the needs of personal location,this paper presents a design and implementation scheme of a personal positioning system based on GPSOne technology.The terminal was composed of the main control unit(MSP430F147),positioning unit(DTGS-800),UIM element,LED display modules and other modules.This system is designed to realize personal position monitoring and indication with the help of the AT command and CDMA network.A portable and easy-to-use terminal unit with low power consumption was implemented.Test results show that the terminal positioning error is less than 20 m outdoor and 500 m indoor,the initial positioning time is less than 20 s,and alarm information can be transmitted to the CDMA network control center within 1s.

About this research paper

What this paper is about

In order to overcome the defects that the traditional GPS positioning system exists blind spots in the areas signal shield,and to meet the needs of personal location,this paper presents a design and implementation scheme of a personal positioning system based on GPSOne technology.The terminal was composed of the main control unit(MSP430F147),positioning unit(DTGS-800),UIM element,LED display modules and other modules.This system is designed to realize personal position monitoring and indication with the help of the AT command and CDMA network.A portable and easy-to-use terminal unit with low power consumption was implemented.Test results show that the terminal positioning error is less than 20 m outdoor and 500 m indoor,the initial positioning time is less than 20 s,and alarm information can be transmitted to the CDMA network control center within 1s.

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Available abstract

In order to overcome the defects that the traditional GPS positioning system exists blind spots in the areas signal shield,and to meet the needs of personal location,this paper presents a design and implementation scheme of a personal positioning system based on GPSOne technology.The terminal was composed of the main control unit(MSP430F147),positioning unit(DTGS-800),UIM element,LED display modules and other modules.This system is designed to realize personal position monitoring and indication with the help of the AT command and CDMA network.A portable and easy-to-use terminal unit with low power consumption was implemented.Test results show that the terminal positioning error is less than 20 m outdoor and 500 m indoor,the initial positioning time is less than 20 s,and alarm information can be transmitted to the CDMA network control center within 1s.

Key concepts: Terminal (telecommunication), Global Positioning System, Real-time computing, ALARM, Positioning system, Computer science, Control unit, Power consumption

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