GPS receiver locating in doors and auxiliary satellite navigation positioning system

A technology of global positioning system and indoor positioning, applied in the field of auxiliary satellite navigation system and GPS receiver of global positioning system

Inactive Publication Date: 2008-06-25
SHANGHAI BEIGA NAVIGATION TECH CO LTD
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is: aiming at the requirement of high-precision positioning in indoor areas, it mainly solves the overall hardware implementation problem of high-sensitivity satellite navigation receiver and network auxiliary system ; solve the problem of how to obtain high-precision positioning results through

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  • GPS receiver locating in doors and auxiliary satellite navigation positioning system
  • GPS receiver locating in doors and auxiliary satellite navigation positioning system
  • GPS receiver locating in doors and auxiliary satellite navigation positioning system

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Embodiment Construction

[0106] Please refer to accompanying drawing 1,2, shown in 3, positioning system of the present invention is made up of components such as server, interface, antenna, receiver, radio frequency module, constellation, communication network and computer, and the sending end of described positioning system transmits through wireless signal To the receiving end of the receiver, the system includes at least:

[0107]Satellite navigation and positioning system GNSS (Global Nayigation Satellite System) constellation 1, terminal receiver 2, reference receiver 3, positioning server 4 and communication network 5, each device is combined into a whole indoor positioning system, the whole system is divided into two subsystems: A high-sensitivity satellite navigation receiver and a network-assisted system, wherein the terminal receiver 2 and the reference receiver 3 receive signals from the satellite navigation and positioning system GNSS constellation 1 through the antenna, and the positionin...

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Abstract

The invention relates to an auxiliary satellite navigation system and a global positioning system (GPS) receiver, in particular to a high-sensitivity navigation receiver mainly used indoors as well as an indoor positioning GPS receiver and an auxiliary satellite navigation positioning system adopting high-sensitivity satellite navigation positioning technology. The system at least comprises a terminal receiver, a reference receiver, a positioning server and a communication network; all devices are combined into an integral indoor positioning system; the entire system is divided into a high-sensitivity satellite navigation receiver and a network auxiliary system. Through adopting the positioning mode in which point positioning under weak signal condition is combined with continuous positioning under strong signal condition, the method mainly solves related technical problems such as the organic combination of integral hardware implementation. The invention has the advantages that: the system and the method improve the sensitivity index of a terminal user and reduce first positioning time; moreover, the designed navigation receiver can process indoor weak satellite signal, etc.

Description

technical field [0001] The invention relates to an auxiliary satellite navigation system and a GPS (Global Position System) receiver, in particular to a high-sensitivity navigation receiver and its high-sensitivity satellite navigation positioning technology mainly used in indoor environments. Background technique [0002] At present, handheld positioning terminals in urban and indoor environments usually rely on telecommunication networks to complete positioning. The global mobile communication GSM network provides positioning services to users through technologies such as Cell-ID (cell number), enhanced observed time difference technology E-OTD (Enhanced Observed Time Difference) and radio wave time difference of arrival TDOA (Time Difference Of Arrival). GPSOne technology uses code division multiple access CDMA base stations to assist positioning when satellite signals cannot be received, but these technologies have disadvantages such as limited network capacity, limited ...

Claims

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Application Information

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IPC IPC(8): G01S1/02G01S5/02G01S19/39
Inventor 李国通刘海涛龚相铱陶欢王海翔沈苑陈晓峰杨志群
Owner SHANGHAI BEIGA NAVIGATION TECH CO LTD
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