KR101479106B1 - Multi-GNSS constellation based DGNSS software RS architecture and its system - Google Patents

Multi-GNSS constellation based DGNSS software RS architecture and its system Download PDF

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Publication number
KR101479106B1
KR101479106B1 KR20140086151A KR20140086151A KR101479106B1 KR 101479106 B1 KR101479106 B1 KR 101479106B1 KR 20140086151 A KR20140086151 A KR 20140086151A KR 20140086151 A KR20140086151 A KR 20140086151A KR 101479106 B1 KR101479106 B1 KR 101479106B1
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KR
South Korea
Prior art keywords
rtcm
message
qzss
galileo
glonass
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KR20140086151A
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Korean (ko)
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서기열
장원석
김영기
박상현
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한국해양과학기술원
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/08—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing integrity information, e.g. health of satellites or quality of ephemeris data
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/35—Constructional details or hardware or software details of the signal processing chain
    • G01S19/37—Hardware or software details of the signal processing chain
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

The present invention relates to a DGNSS reference station using a multi satellite navigation system, which is formed by including: a receiver module for processing and receiving source information of a GNSS receiver by being connected to the GNSS receiver; a PRC generator generating GPS, GLONASS, BeiDou, Galileo, and QZSS correction information based on a message processed and received in the receiver module; a buffer storing the GPS, GLONASS, BeiDou, Galileo, and QZSS correction information generated in the PRC generator; an RTCM scheduler for adjusting broadcast schedules of the GPS, GLONASS, BeiDou, Galileo, and QZSS correction information; an RTCM generator converting the GPS, GLONASS, BeiDou, Galileo, and QZSS correction information into an RTCM format message; and a converting device converting the RTCM format message into a format demanded by a user to broadcast the message, and a system including the DGNSS reference station.

Description

Multi-GNSS constellation based DGNSS software RS architecture and its system using multi-

The present invention relates to a DGNSS reference station architecture and system for a new standards-based operation of an existing DGPS reference station architecture. It generates DGPS / DGLO / DBDS / DGAL / QZSS correction information, monitors integrity, And a procedure for processing an integrated message and a system for performing an integrated message.

<Satellite navigation correction system (DGNSS)>

Differential Global Positioning System (DGPS) is a system that can calculate more precise position using the error information if the GPS error information is informed to other GPS users in the vicinity.

This system is called Global Navigation Satellite System (DGNSS) to improve the positioning accuracy and improve the positioning accuracy of Global Positioning System (GNSS) such as US GPS, GLONASS in Russia, Galileo in EU and COMPASS in China.

In general, the DGNSS system consists of a Reference Station (RS), an Integrity Monitor (IM), and a Control Station (CS).

The reference station (RS) generates calibration information, converts it into the RTCM international standard format, and broadcasts it through MSK modulation.

The integrity monitoring station (IM) receives and demodulates the correction information broadcasted by the reference station, and analyzes the RTCM correction information to monitor integrity.

In addition, the control station (CS) monitors the RS except the reference station system (RS) and the integrity monitoring (IM) system using the international standard RSIM message.

The current DGPS reference station system consists of DGPS RSIM version 1.2. Future versions of DGNSS RSIM 1.3 will be released, and the existing DGPS base station system architecture needs to be changed to a new version of the DGNSS RSIM integration architecture. Furthermore, new messages and system configuration are required to provide multi - DGNSS correction information service in the trend of diversification into multi - GNSS systems such as US GPS, Russian GLONASS, China BeiDou, EU Galileo and Japan 's QZSS system.

Patent Registration No. 10-1150712 (Publication Date: June 08, 2012)

The present invention provides a system having a DGNSS reference station operation architecture based on RSIM 1.3, which is a new standard for processing and monitoring multi GNSS pseudorange correction information in DGPS RSIM 1.2 based reference message generation and processing for existing GPS pseudorange correction information generation and processing, I want to.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

It is an object of the present invention to provide a receiver module for receiving and processing raw information of a GNSS receiver connected to a GNSS receiver; A PRC generator for generating pseudorange correction information of GPS, GLONASS, BeiDou, Galileo, and QZSS based on a message received and processed by the receiver module; A buffer for storing GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information generated by the PRC generator; An RTCM scheduler for adjusting the broadcast schedule of the GPS, GLONASS, BeiDou, Galileo, QZSS pseudorange correction information; An RTCM generator for converting the GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information into an RTCM format message; And a conversion unit converting the RTCM format message according to a request format of the user to broadcast the RTCM format message. The DGNSS reference station using the multi-satellite navigation system and the system equipped with the same.

The present invention solves the problems of compatibility with the international organizations' flexibility to cope with the increase of the DGNSS service performance requirements, the limitation of the DGNSS service advancement according to the GNSS diversification age, convenience of equipment replacement, addition of new signals and functions, And can be utilized for diversification and service of correction information service.

FIG. 1 and FIG. 2 are views showing a main part and information flow of a DGNSS reference station using a multi-satellite navigation system according to the present invention.

The present invention relates to a DGNSS (RS) Reference Station (RS) architecture and its system for a new standards-based operation, and a DGPS / DGLO / DBDS / DGAL / QZSS is to develop a system for generating pseudorange correction information, monitoring integrity, and performing integrated control and procedures for processing integrated messages.

As a part of this, the present invention relates to a receiver module for receiving and processing raw information of a GNSS receiver in connection with a GNSS (Global Navigation Satellite System) receiver; A PRC generator for generating GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information based on a message received and processed by the receiver module; A buffer for storing GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information generated by the PRC generator; An RTCM scheduler for adjusting the broadcast schedule of the GPS, GLONASS, BeiDou, Galileo, QZSS pseudorange correction information; An RTCM generator for converting the GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information into an RTCM format message; (RTCM) format message according to a request format of a user to broadcast the RTCM (RTCM) format message. The multi-DGNSS base station (hereinafter, referred to as a 'reference station' ) And a DGNSS system equipped with the same.

In this reference station, the receiver module includes a receiver interface module connected to the GNSS receiver and receiving raw information of the GNSS receiver; And a message parser for analyzing the source information and extracting a setup message and delivering the extracted message to the PRC generator.

In addition, the RTCM scheduler is characterized in that broadcast schedule adjustment is performed according to a predetermined broadcast priority setting of GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information.

The conversion device may further include: an MSK modulator for broadcasting the RTCM format message in a beacon; And an NTRIP (Internet-based DGPS information providing) caster for delivering the RTCM format message to the Internet.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

1 and 2 are views showing a main part and a flow of information of a DGNSS reference station using the multi-satellite navigation system according to the present invention. The DGNSS reference station using the multi-satellite navigation system according to the present invention includes a GNSS receiver 10, A receiver module (30) coupled to receive and process raw information of the GNSS receiver (10); A PRC generator 40 for generating GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information based on a message received and processed by the receiver module 30; A buffer 50 for storing GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information generated by the PRC generator 40; An RTCM scheduler 60 for adjusting the broadcasting schedule of the GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information; An RTCM generator 70 for converting the GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information into an RTCM format message; And a conversion device for converting the RTCM format message into a format suitable for a user receiving the RTCM format message to broadcast the RTCM format message.

The receiver module 30 includes a receiver interface module 31 connected to the GNSS receiver 10 to receive the raw information of the GNSS receiver 10, And a message parser 32 for delivering the message to the generator 40.

The scheduler 60 performs broadcast schedule adjustment according to a predetermined broadcast priority setting of GPS, GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information.

The transcoder 80 includes an MSK modulator 81 for broadcasting the RTCM format message in a beacon and an NTRIP caster 82 for transmitting the RTCM format message to the Internet.

Referring to FIGS. 1 and 2, the operation of the DGNSS reference station using the multi-satellite navigation system having such a configuration will be described. The receiver module 30 of the reference station is connected to the GNSS receiver 10, Command, and confirms whether or not the message of the GNSS receiver 10 has been received.

If the message is not received from the GNSS receiver, it continuously checks the message reception. When the message is received, the GNSS receiver message is analyzed to extract satellite ephemeris information, satellite position information, and pseudorange information.

Generates information serialization data from the extracted information, and transmits the information serialization data to the PRC generator 40. [

GLONASS, BeiDou, Galileo, and QZSS pseudorange correction information on the basis of the received and processed message, i.e., the information serialized data, in the receiver module 30, and transmits each pseudorange correction information to the buffer 50 ), And then adjusts the broadcasting schedule through the RTCM scheduler 60.

The adjusted pseudo distance correction information is converted into an RTCM format message through the RTCM generator 70 and converted into an RTCM format message through the MSK modulator 81 to be broadcast in a beacon or an NTRIP caster 82 ).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will readily occur to those skilled in the art without departing from the spirit and scope of the invention. Therefore, it should be understood that the disclosed embodiments are to be considered in an illustrative rather than a restrictive sense, and that the true scope of the invention is indicated by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof, .

10: GNSS receiver
30: Receiver module
31: receiver interface module
32: Message parser
40: PRC generator
50: buffer
60: RTCM scheduler
70: RTCM generator
80: conversion device
81: MSK modulator
82: NTRIP casters

Claims (6)

A receiver module (30) coupled to the GNSS receiver (10) for receiving and processing raw information of the GNSS receiver (10);
A PRC generator 40 for generating GPS, GLONASS, BeiDou, Galileo, and QZSS correction information based on a message received and processed by the receiver module 30;
A buffer 50 for storing GPS, GLONASS, BeiDou, Galileo, and QZSS correction information generated by the PRC generator 40;
An RTCM scheduler 60 for adjusting the broadcast schedule of the GPS, GLONASS, BeiDou, Galileo, and QZSS correction information;
An RTCM generator 70 for converting the GPS, GLONASS, BeiDou, Galileo, and QZSS correction information into an RTCM format message;
And a conversion unit (80) for converting the RTCM format message into an RTCM format message according to a request format of a user receiving the RTCM format message,
The RTCM scheduler (60)
Wherein the broadcast schedule adjustment is performed according to a predetermined broadcast priority setting of GPS, GLONASS, BeiDou, Galileo, and QZSS correction information.
The method according to claim 1,
The receiver module (30)
A receiver interface module (31) connected to the GNSS receiver (10) to receive raw information of the GNSS receiver (10);
A message parser 32 for parsing the raw information and extracting a setup message and delivering the extracted message to the generator 40;
And a DGNSS reference station using the multi-satellite navigation system.
3. The method according to claim 1 or 2,
The conversion device (80)
An MSK modulator 81 for broadcasting the RTCM format message in a beacon;
An NTRIP caster 82 for delivering the RTCM format message to the Internet;
And a DGNSS reference station using the multi-satellite navigation system.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104570023A (en) * 2015-01-23 2015-04-29 桂林电子科技大学 Method and system for converting GPS analog signals based on Beidou satellite signals
CN104749595A (en) * 2015-03-19 2015-07-01 上海北伽导航科技有限公司 Positioning service method and system based on high-precision base reinforcing system
KR101617033B1 (en) * 2015-09-15 2016-04-29 한국 천문 연구원 Global standard point positioning apparatus using multi global satellite positioning systems and the method thereof
CN111399016A (en) * 2020-04-07 2020-07-10 中船重工鹏力（南京）大气海洋信息系统有限公司 Ship accurate positioning method based on Beidou, GPS and G L ONASS three systems
KR102480741B1 (en) 2022-01-25 2022-12-27 주식회사 네브시스 Multimode GNSS Reference Station System

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000046616A (en) * 1998-12-31 2000-07-25 노성대 Method for high precision position correction data transmission using fm broadcasting, transmission system and receiver
KR20120032146A (en) * 2010-09-28 2012-04-05 한국해양연구원 Hybrid differential gnss rsim system
KR101150712B1 (en) 2011-10-24 2012-06-08 한국해양연구원 Multi-connection of dgnss receiver and broadcast system of the raw measurement and its method
KR20130117138A (en) * 2012-04-17 2013-10-25 (주)와이티엔디엠비 System for providing high-precision location informations using digital multimedia data broadcasting, method thereof and receiving apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000046616A (en) * 1998-12-31 2000-07-25 노성대 Method for high precision position correction data transmission using fm broadcasting, transmission system and receiver
KR20120032146A (en) * 2010-09-28 2012-04-05 한국해양연구원 Hybrid differential gnss rsim system
KR101150712B1 (en) 2011-10-24 2012-06-08 한국해양연구원 Multi-connection of dgnss receiver and broadcast system of the raw measurement and its method
KR20130117138A (en) * 2012-04-17 2013-10-25 (주)와이티엔디엠비 System for providing high-precision location informations using digital multimedia data broadcasting, method thereof and receiving apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104570023A (en) * 2015-01-23 2015-04-29 桂林电子科技大学 Method and system for converting GPS analog signals based on Beidou satellite signals
CN104570023B (en) * 2015-01-23 2017-02-22 桂林电子科技大学 Method and system for converting GPS analog signals based on Beidou satellite signals
CN104749595A (en) * 2015-03-19 2015-07-01 上海北伽导航科技有限公司 Positioning service method and system based on high-precision base reinforcing system
KR101617033B1 (en) * 2015-09-15 2016-04-29 한국 천문 연구원 Global standard point positioning apparatus using multi global satellite positioning systems and the method thereof
CN111399016A (en) * 2020-04-07 2020-07-10 中船重工鹏力（南京）大气海洋信息系统有限公司 Ship accurate positioning method based on Beidou, GPS and G L ONASS three systems
CN111399016B (en) * 2020-04-07 2022-02-18 中船重工鹏力（南京）大气海洋信息系统有限公司 Ship accurate positioning method based on Beidou, GPS and GLONASS three systems
KR102480741B1 (en) 2022-01-25 2022-12-27 주식회사 네브시스 Multimode GNSS Reference Station System

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