CN118094522A - Satellite navigation enhanced information service system - Google Patents

Satellite navigation enhanced information service system Download PDF

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Publication number
CN118094522A
CN118094522A CN202410479603.8A CN202410479603A CN118094522A CN 118094522 A CN118094522 A CN 118094522A CN 202410479603 A CN202410479603 A CN 202410479603A CN 118094522 A CN118094522 A CN 118094522A
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China
Prior art keywords
service
module
data
information
user
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Chinese (zh)
Inventor
李涛
赵宾
浦大勇
刘师含
金照奇
陈婧
张乘蜜
矫立阳
王书睿
乔治
苗岚溪
李敏瑞
张硕
刘文疆
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Yunnan Road Network Toll Management Co ltd
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Yunnan Road Network Toll Management Co ltd
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Priority to CN202410479603.8A priority Critical patent/CN118094522A/en
Publication of CN118094522A publication Critical patent/CN118094522A/en
Pending legal-status Critical Current

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    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/45—Structures or tools for the administration of authentication
    • 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
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
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    • G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
    • G06F11/3006—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is distributed, e.g. networked systems, clusters, multiprocessor systems
    • G—PHYSICS
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    • G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
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    • G06F11/3476—Data logging
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    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
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    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/55—Detecting local intrusion or implementing counter-measures
    • G06F21/552—Detecting local intrusion or implementing counter-measures involving long-term monitoring or reporting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y10/00—Economic sectors
    • G16Y10/40—Transportation
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y20/00—Information sensed or collected by the things
    • G16Y20/10—Information sensed or collected by the things relating to the environment, e.g. temperature; relating to location
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y20/00—Information sensed or collected by the things
    • G16Y20/40—Information sensed or collected by the things relating to personal data, e.g. biometric data, records or preferences
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00—IoT characterised by the purpose of the information processing
    • G16Y40/10—Detection; Monitoring
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00—IoT characterised by the purpose of the information processing
    • G16Y40/60—Positioning; Navigation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/865—Monitoring of software
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2117—User registration

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Abstract

The invention discloses a satellite navigation enhancement information service system, which relates to the field of satellite navigation positioning, and comprises: a user authentication subsystem, an enhanced information distribution subsystem and an operation state monitoring system; the user authentication subsystem is used for maintaining user information, executing user authentication and monitoring user states; the enhanced information distribution subsystem is used for managing distribution configuration, requesting data service, executing data distribution and monitoring distribution quality; the operation state monitoring system includes: the state monitoring and the enhanced service performance monitoring of the reference station network; the reference station network state monitoring comprises the following steps: the reference station data monitoring module and the reference station management module; the enhanced service performance monitoring is used for monitoring the generated enhanced information service coverage and time delay, and providing service capability within the coverage range is displayed in real time. The invention can improve the accuracy of the positioning of the expressway.

Description

Satellite navigation enhanced information service system
Technical Field
The invention relates to the field of satellite navigation positioning, in particular to a satellite navigation enhanced information service system.
Background
The method comprises the steps of developing a demand scheme research for laying Beidou foundation enhancement reference stations of highway operation, forming a design scheme of a Beidou position service system in the highway field, establishing a Beidou CORS monitoring station network with full coverage, and realizing global Beidou high-precision decimeter level/centimeter level or even millimeter level positioning of a vehicle terminal.
The operation highway Beidou reference station system takes the expressway as a coverage target, fully utilizes land resources, network resources, power resources and the like of the expressway, is stable and reliable in construction, and has reasonable base station distribution. The base station site selection firstly selects a base station suitable for environment layout in a toll station or a service area along a high-grade highway, and then avoids repeated station construction in a poor road network area along the position of a base station at a secondary grade highway side. The base station location is selected to meet the requirements of the standard specification. In addition, the method combines the practical scenes of satellite navigation applications such as intelligent high-speed, charge auditing, free flow charging and the like to generate multi-level and highly reliable enhancement information such as regional centimeter-level precision enhancement information, terminal auxiliary positioning information and the like, and effectively links the multi-level and highly reliable enhancement information with the existing enhancement service system to provide satellite navigation enhancement service which accords with the application characteristics of intelligent expressways, namely Beidou free flow CORS service. And the connection and data transmission are successfully realized with the Beidou CORS server, and the network RTK positioning function can be realized by the free flow terminal with the built-in differential positioning board card.
The conventional positioning software and the conventional precision are not suitable for the concurrent demands of a large number of users in the transportation industry, and the development demands of new traffic states are difficult to support.
Therefore, in order to improve the accuracy of navigation positioning and thus the accuracy of highway positioning, a new service system is needed.
Disclosure of Invention
The invention aims to provide a satellite navigation enhanced information service system which can improve the accuracy of highway positioning.
In order to achieve the above object, the present invention provides the following solutions:
A satellite navigation enhancement information service system performs data acquisition based on a reference station network established by a highway network, comprising: a user authentication subsystem and an enhanced information distribution subsystem;
The user authentication subsystem is used for maintaining user information, executing user authentication and monitoring user states; the maintaining user information includes: user information update and user service section/area settings; the performing user authentication includes: authentication information receiving, authentication information auditing and authentication information feedback; the monitoring of the user status includes: statistical analysis of the user distribution state and monitoring of abnormal behavior;
The enhanced information distribution subsystem is used for managing distribution configuration, requesting data service, executing data distribution and monitoring distribution quality; the management distribution configuration includes: management of distribution protocol, management of distribution interface and inquiry; the request data service includes: calling and monitoring data request service; the performing data distribution includes: data checking and broadcasting various service information; the monitoring distribution quality includes: flow monitoring, log distribution, service distribution monitoring and query;
a satellite navigation augmentation information service system, further comprising: an operating state monitoring system; the operation state monitoring system includes: the state monitoring and the enhanced service performance monitoring of the reference station network;
The reference station network state monitoring comprises the following steps: the reference station data monitoring module and the reference station management module;
the enhanced service performance monitoring is used for monitoring the generated enhanced information service coverage and time delay, and providing service capability within the coverage range is displayed in real time.
Optionally, the user authentication subsystem includes: an authentication operation module and an authentication management module;
the authentication operation module is used for receiving authentication information, checking the authentication information and feeding back the authentication information;
The authentication management module is used for carrying out user information maintenance, user service section/area setting, user statistical analysis and abnormal user monitoring.
Optionally, the enhanced information distribution subsystem includes: the system comprises a data distribution service module, a distribution control module, a distribution quality display module and a user service module;
the data distribution service module is used for carrying out data checking, region enhancement service information distribution, data flow monitoring, information feedback and data storage;
The distribution control module is used for carrying out distribution interface management, distribution interface inquiry, log recording, log audit, information encryption, protocol management and information compression;
the distribution quality display module is used for monitoring overall distribution service, inquiring distribution service conditions and processing abnormal distribution of the service;
the user service module is used for carrying out data request service calling and data request service monitoring.
Optionally, the satellite navigation enhancement information service system includes: configuration services, distribution services, and monitoring services.
Optionally, the satellite navigation enhancement information service system further includes: a high-precision user comprehensive service management system; the high-precision user integrated service management system comprises: a comprehensive management subsystem and a comprehensive portal subsystem;
the comprehensive management subsystem is used for managing and auditing the services provided by the comprehensive portal subsystem and monitoring service data and system running conditions at any time;
The comprehensive portal subsystem is used for providing comprehensive service for the users at the PC end.
Optionally, the integrated management subsystem includes: the system comprises a permission management module, an end user management module, a platform user management module, a user service management module, a content management module, an online service management module and a statistics and monitoring module.
Optionally, the integrated portal subsystem includes: the system comprises a user registration login module, a service coverage query module, a user management center module and an information display module.
Optionally, the satellite navigation enhancement information service system further includes: a reference station data management and exchange platform; the reference station data management and exchange platform comprises: the system comprises a reference station data access module, a reference station configuration information management module, a data protocol checking module, a data content checking module, a data cleaning module, a data reduction module, a data conversion storage module and a data storage management module.
Optionally, the satellite navigation enhancement information service system further includes: a satellite navigation enhancement information processing platform; the satellite navigation enhancement information processing platform comprises: the system comprises an area grid virtual point dividing module, an algorithm load balancing module, a data processing module, an area correction information processing module and an area enhancement data packaging module.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
The invention provides a satellite navigation enhanced information service system, which comprises a user authentication subsystem and an enhanced information distribution subsystem; the user authentication subsystem is used for maintaining user information, executing user authentication and monitoring user states; the enhanced information distribution subsystem is used for managing distribution configuration, requesting data services, performing data distribution and monitoring distribution quality. The invention can improve the accuracy of the positioning of the expressway.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a satellite navigation enhanced information service system according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a satellite navigation enhanced information service system which can improve the accuracy of highway positioning.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the satellite navigation enhanced information service system according to the present invention performs data acquisition based on a reference station network established by a highway network, and includes: a user authentication subsystem and an enhanced information distribution subsystem.
The reference station is used for acquiring original observation data of all visible navigation satellite transmitting signals on the zenith in real time and transmitting the original observation data to the management platform in real time through the communication network system. Since the south ionosphere is relatively active, the distance between the reference stations is preferably about 60km, and a total of about 118 reference stations are built. About the precision: solving 2-5cm in real time and 2-5mm in static state. The distance between stations is 50-80 km.
Each reference station has the same basic structure and consists of an outdoor observation pier and an instrument cabinet. The outdoor equipment comprises lightning rods, observation piers, GNSS antennas and the like. The indoor equipment mainly comprises a cabinet, a GNSS receiver, communication network equipment, surge equipment, UPS equipment and the like, wherein a VPN special line is arranged in the reference station and is connected with the data processing and management center, the special line is a working line, and the special line is converted into an Ethernet interface through a conversion device to be connected with the receiver. And the weather instrument and the UPS backup power are selected according to the actual needs of units. All GNSS equipment and communication equipment are placed in a server cabinet and consist of a plurality of reference station facilities (including GNSS receivers, antennas, UPS, anti-surge equipment, cabinets, switches, digital-to-analog converter optical fiber converters and the like), and belong to a data source of a CORS network; the GNSS device and the communication device are used for capturing, tracking, collecting, locally storing and transmitting real-time data of GNSS satellite signals.
The user authentication subsystem is used for maintaining user information, executing user authentication and monitoring user states; the maintaining user information includes: user information update and user service section/area settings; the performing user authentication includes: authentication information receiving, authentication information auditing and authentication information feedback; the monitoring of the user status includes: statistical analysis of user distribution status and monitoring of abnormal behavior.
The enhanced information distribution subsystem is used for managing distribution configuration, requesting data service, executing data distribution and monitoring distribution quality; the management distribution configuration includes: management of distribution protocol, management of distribution interface and inquiry; the request data service includes: calling and monitoring data request service; the performing data distribution includes: data checking and broadcasting various service information; the monitoring distribution quality includes: traffic monitoring, distribution logs and distribution business monitoring and querying.
The user authentication subsystem includes: an authentication operation module and an authentication management module. The authentication operation module is used for receiving authentication information, checking the authentication information and feeding back the authentication information. The authentication management module is used for carrying out user information maintenance, user service section/area setting, user statistical analysis and abnormal user monitoring.
The enhanced information distribution subsystem includes: the system comprises a data distribution service module, a distribution control module, a distribution quality display module and a user service module. The data distribution service module is used for carrying out data checking, region enhancement service information distribution, data flow monitoring, information feedback and data storage. The distribution control module is used for carrying out distribution interface management, distribution interface inquiry, log recording, log audit, information encryption, protocol management and information compression. The distribution quality display module is used for monitoring overall distribution service, inquiring distribution service conditions and processing abnormal distribution of the service. The user service module is used for carrying out data request service calling and data request service monitoring.
The satellite navigation enhancement information service system comprises: configuration services, distribution services, and monitoring services.
The configuration business flow comprises maintenance of user information by the user authentication subsystem, setting of user service sections/areas, and management and inquiry of an enhanced information distribution interface and management of a distribution protocol by the information distribution subsystem.
The distribution business flow is as follows:
(1) The user sends out request information, and the user authentication subsystem receives the authentication information and forwards and submits the user authentication information.
(2) And after the user auditing result is obtained, feeding the authentication result passing the auditing back to the user and the enhanced information distribution subsystem.
(3) The enhanced information distribution subsystem starts data request service call, submits the position information of the user to the satellite navigation enhanced information service system, and obtains relevant enhanced information.
(4) And checking the correctness, timeliness and rationality of the data, and storing and feeding the data which does not pass the checking back to the satellite navigation enhancement information service system.
(5) And broadcasting the checked data to the user, and carrying out necessary encryption and compression on the information during broadcasting.
The monitoring business process comprises three monitoring process designs about users, requests and distribution, wherein the monitoring of the users comprises user statistical analysis and abnormal user monitoring design; the monitoring of the request comprises requesting calling state and exception monitoring design; the monitoring of distribution comprises data flow monitoring, distribution business state monitoring and query, exception handling, log recording, audit and other designs.
The satellite navigation enhancement information service system interface comprises: the system comprises a system front end interface data interface, a data interface between the system internal background, a data interface between the system and an application system in the engineering and a data interface between the system and a user platform related to the engineering.
The invention provides a satellite navigation enhancement information service system, which further comprises: a high-precision user integrated service management system. The high-precision user integrated service management system comprises: the comprehensive management subsystem and the comprehensive portal subsystem. The comprehensive management subsystem is used for managing and auditing the services provided by the comprehensive portal subsystem and monitoring service data and system running conditions at any time. The comprehensive portal subsystem is used for providing comprehensive service for the users at the PC end.
The high-precision user comprehensive service management system sends user registration login information and an enhanced information processing service application to a data service center, and sends a high-precision position information processing application to an enhanced information processing platform; the high-precision processing information is acquired through the enhanced information processing platform, the service coverage is acquired through the enhanced information system, and the information such as information display, system information and the like is acquired through the data service center.
The high-precision user comprehensive service management system supports the user to query the service capability and the service range by using the front-end page, supports the user to query the related system by the portal system, and enables the user to register and log in the portal system to enter the user comprehensive subsystem, and the subsystem supports the user to put forward the high-precision service requirement.
The user integrated management subsystem consists of 7 parts including a permission management module, a terminal user management module, a platform user management module, a user service management module, a content management module, an online service management module and a statistics and monitoring module.
(1) Rights management module
The module is a core security module of a user comprehensive management subsystem, the minimum granularity of system authority is a menu, roles can be added at will and the menu corresponding to the roles can be configured, and a super manager can assign different roles when adding a sub management account number, so that the purpose of controlling the user authority is achieved.
(2) Terminal user management module
The module is mainly used for managing terminal equipment accounts, and comprises mass production of the terminal equipment accounts and terminal equipment account management.
(3) Platform user management module
The module manages the system platform user, and has the main functions of registered user management, user authentication management, user message pushing and the like.
(4) User service management module
The user can apply for the enhanced information processing service through the module, and after the application is passed, the enhanced information processing platform and the enhanced information service system provide corresponding service. The module mainly comprises functions of application query and audit processing and the like.
(5) Content management module
The module realizes comprehensive portal content management, and the content management mainly comprises scroll map management, information management and the like.
(6) Online service management module
The online customer service and automatic response robot is managed, and the main functions of the online customer service and automatic response robot include online conversation, online message leaving and the like.
(7) Statistics monitoring module
The module provides the statistics function of the number of registered people, the number of service accesses and the number of service applications for the manager.
Registered user statistics: and inquiring the number of registered users according to the selected starting time and ending time.
Counting the service access times: and inquiring the access times of different services according to the selected starting time and the selected ending time.
Counting the service application times: and inquiring different service application times according to the selected starting time and the selected ending time.
The integrated portal subsystem comprises: the system comprises a user registration login module, a service coverage query module, a user management center module and an information display module.
The user registration login module provides a unified entry for user registration, a user is registered as a platform user through the module, and the module has the main functions of user identity selection, user authentication information submission and audit state inquiry.
Checking state: after submitting the audit data, the user can check the system audit state at any time in the user management center, including audit in process, audit passing and audit failing.
The service coverage query module can be used for querying the service coverage by a user, wherein two query modes are available, namely, outline query and accurate query.
Brief description of the drawings: the coverage of the service can be queried through the map, and the service can be realized through buttons with different service types on the map.
And (3) accurate query: the accurate query is divided into three modes, namely province and city county area query and keyword query.
The main functions of the user management center module comprise user real-name authentication, account safety management and a message center.
And (3) real name authentication: the user application service needs to carry out real-name authentication, the real name of the user, the identity card number and the like are required to be filled in for real-name authentication, the module carries out auditing on authentication information submitted by the user, and the auditing result is pushed to the message center, so that the user can check the authentication auditing condition through the message center.
Account security management: in order to ensure the account safety of the user, the user needs to bind the mobile phone number or the mailbox account, and the system can push information to the mobile phone number or the mailbox account bound by the user. The user can modify the account number and the password through the module, and modify the bound mobile phone number and mailbox account number.
Message center: the user views the messages pushed to him by the system through the message center. The user may manage the message including searching, viewing, deleting, etc.
The information display module displays the content of policy display, service display and the like.
Policy presentation: displaying traffic industry related policy information, informing and advertising, developing and planning, traffic and transportation department orders and the like.
Service display: and providing convenient travel services for users, including travel weather information inquiry, travel route inquiry and other services.
The invention provides a satellite navigation enhancement information service system, which further comprises: an operating state monitoring system; the operation state monitoring system includes: the state monitoring and the enhanced service performance monitoring of the reference station network; the reference station network state monitoring comprises the following steps: the reference station data monitoring module and the reference station management module; the reference station data monitoring module consists of the functions of reference station quality analysis, star map and the like; the reference station management module is composed of functions of reference station import, reference station information editing, reference station running state monitoring and the like.
1) Reference station data quality analysis display
(1) Analyzing the data quality of the reference station;
(2) Cycle slip detection;
(3) And calculating and displaying the star map, and displaying the position of the air navigation satellite at the current moment of the reference station through the altitude angle and the azimuth angle of the satellite.
2) Reference station management module
(1) The reference station is imported, and the imported reference station information comprises information such as reference station names, reference station coordinates, receiver types, receiver antenna types, communication modes, IP and the like;
(2) Editing information of the reference station, namely editing the information of the reference station, including adding, deleting, modifying, inquiring and the like of the information of the reference station;
(3) And monitoring the running state of the reference station, monitoring the real-time running state of the reference station, whether the reference station is online or not, and the like.
The enhanced service performance monitoring is used for monitoring the generated enhanced information service coverage and time delay, and providing service capability within the coverage range is displayed in real time.
And receiving comprehensive observation information of the reference station, monitoring, analyzing and counting the data quality of the reference station according to a certain time interval, and evaluating the data quality of the reference station.
And receiving the running state information of the network equipment, the running state information of the server equipment and the running state information of software, which are sent by each platform and each system. And monitoring the service conditions of the CPU, the memory and the disk of the server, and the running conditions of related processes and services.
The invention provides a satellite navigation enhancement information service system, which further comprises: and the reference station data management and exchange platform. The reference station data management and exchange platform comprises: the system comprises a reference station data access module, a reference station configuration information management module, a data protocol checking module, a data content checking module, a data cleaning module, a data reduction module, a data conversion storage module and a data storage management module.
The data access module is responsible for accessing the regional reference station data of the engineering construction, and the main functions comprise data source list establishment, reference station basic information input, communication protocol configuration and the like.
(1) Establishing a data source list, wherein the data source list of the regional reference station needs to be established, and each data source list corresponds to one reference station;
(2) Basic information of a reference station is input, and a data source list is required to input the basic information of the reference station, and mainly comprises the following steps: reference station name, reference station code, reference station space rectangular coordinates or geodetic coordinates, supported satellite system, base station ownership information, receiver type, antenna height, etc.;
(3) Communication protocol configuration, supporting multiple reference station communication protocols.
The reference station static basic data in the reference station configuration information management module comprises: base station name, base station code, base station longitude, base station latitude, base station geodetic altitude, base station coordinates X/Y/Z, belonging system, belonging subnet, support satellite system, base station ownership, receiver type, antenna altitude, network communication protocol, data format protocol, file attachment information, picture attachment information;
(1) Data importing, namely importing static basic data of a reference station by taking the weight of the reference station as a unit (or taking a system to which the reference station belongs as a unit);
(2) Basic information modification, which is used for modifying static basic information of the reference station except the name and ID of the base station and modifying the file auxiliary information source address and picture auxiliary information source address of a single reference station;
(3) Basic information inquiry can inquire single reference station static basic data, check auxiliary information files and check auxiliary pictures of a base station; the list of reference stations may be filtered and displayed.
The reference station data preprocessing mainly comprises a data protocol checking module, a data content checking module, a data cleaning module and a data reduction module.
1) Data protocol checking module
(1) The network communication protocol is checked, the agreed transmission protocol is checked, the network communication protocol is based on NTRIP protocol, the real-time data stream is accessed into the system through TCP/IP communication, and the two modes of single station data access and multi-station data stream access are distinguished. Checking a network communication protocol, wherein the server needs to check HTTP request header of the client and check the agreed transmission protocol;
(2) Checking the data format protocol, checking the agreed format protocol.
2) Data content checking module
(1) The data content analysis is needed to analyze the data content, the data content analysis is preferably performed by adopting a data format analysis function which is matched and passed, and the analysis flow prompts that the analysis is passed and the analysis is not passed;
(2) And (3) carrying out RTCM single-station data analysis and inspection, namely carrying out received message list inspection on single-station data adopting an RTCM protocol, determining whether the received message list is consistent with a message list agreed by a data access system, if not, establishing a new message list, and feeding back the message list and a warning state to a data cleaning module.
3) Data cleaning module
The data cleaning module mainly comprises functions of normal data cleaning, alarm data cleaning, error data cleaning and the like.
(1) Normal data clearing, namely, the normal state of the received data content checking module, wherein the specific state information is that the data format content is matched with the data format protocol, the data format is resolvable and is the agreed data format protocol, and the data of the current data source passes the content checking;
(2) And the alarm data cleaning module processes the alarm and modifies the real-time data stream data format protocol of the data source agreed by the data access module. After the warning information processing is finished, the real-time data stream can be normally sent to the next module, but the repeatability test needs to be carried out before the real-time data stream is sent to the next module, namely, the data stream at the same moment sent by the previous module does not have a plurality of pieces of repeated data, and if the plurality of pieces of repeated data occur, only one piece of healthy data needs to be reserved for screening and sent to the next module;
(3) The data is cleaned, the data is analyzed and passed in the data analysis process, and the check sum check error, the data length check error, the split error, the RTCM message missing and the RTCM message repetition of the packaged data occur, so that the real-time data flow of the data source is required to be interrupted to flow to the next module, and an error report is generated. When the data is analyzed and the data format content is not matched with the data format protocol and can not be analyzed and the data format is error state information, the real-time data flow of the data source is required to be interrupted to flow to the next module and an error report is generated.
4) Data reduction module
The data reduction module mainly comprises a raw observation data stream reduction function and an internal format data stream reduction function.
(1) The original observation data flow is reduced, and the original observation data flow is mainly used for data distribution;
(2) And the internal format data flow reduction is used for analyzing and splitting the original observed data flow to obtain a data flow conversion format defined in the system, and is mainly used as an internal service processing flow.
The reference station data storage is composed of a data conversion storage module and a data storage management module.
1) Data conversion storage module
The data conversion storage module subscribes to real-time data or cache data of the data reduction module of the data preprocessing subsystem, takes out the data in the message queue, describes the document according to the RINEX 2.10 and RINEX 3.X formats, and converts the data from an internal circulation format into file forms of different RINEX versions. The naming mode of the RINEX file is according to the naming rule of the corresponding RINEX version convention, wherein the station name in the file name adopts base station code (four-bit English letters) of static information convention of a reference station in the data access system.
2) Data storage management module
The data storage management module can manage storage logic of the RINEX observation file of the reference station, and the storage logic comprises storage duration management, storage path management and file authorization downloading service management.
(1) Storage duration management
And the data conversion storage module generates an hour observation file and a single day observation file with a reference station, and the two groups of files are stored separately and the storage time is distinguished.
(2) Storage path management
In order to ensure the data security of the original observation file, a distributed file storage system is adopted to store the reference station observation file and the file path logic relation thereof.
(3) File authorized download service management
The data distribution system designs authorized downloading logic of the reference station observation file, the observation file is generated by a data conversion storage module of the data storage system, and a unique external interface is provided by a data storage management module.
The invention provides a satellite navigation enhancement information service system, which further comprises: a satellite navigation enhancement information processing platform; the satellite navigation enhancement information processing platform comprises: the system comprises an area grid virtual point dividing module, an algorithm load balancing module, a data processing module, an area correction information processing module and an area enhancement data packaging module.
1) Virtual point dividing module for regional grid
Dividing virtual points of the coverage area grid according to the reference station grid distribution and the preset grid distance, and finishing division of the virtual grid points of the area; and processing the regional reference station data to generate regional enhancement data information, so as to meet the enhancement positioning requirements of regional decimeter level and centimeter level. The system mainly comprises an algorithm load balancing module, a data processing module, a region correction information processing module and a region enhancement data packaging module.
2) Algorithm load balancing module
(1) Data preprocessing, namely, data pushed by a large data platform are required to be carded in data preprocessing, and meanwhile, the preprocessing requirement of a core algorithm on the data is met.
(2) And the load balancing algorithm establishes a core algorithm node list and distributes the received original data to the core algorithm in a balanced way.
(3) And monitoring the state of the core algorithm node by the core algorithm node, removing the core algorithm list after the core algorithm is down, and not distributing data to the down node.
3) Data processing module
(1) Data processing, comprising: time conversion, realizing conversion between different time systems (BD, GPS, GLONASS, UTC, etc.); satellite calculation; generating residual errors; cycle slip detection; observing variance estimation;
(2) The ambiguity is fixed, so that the ambiguity of the reference station is fixed;
(3) Regional error modeling, including ionospheric delay errors, tropospheric delay errors, and orbit errors, requires construction of a corresponding error model to mitigate the effects of the errors.
4) Regional correction information processing module
(1) Generating regional correction information, namely generating grid virtual point information, wherein the grid virtual point information comprises network RTK and correction information required by RTD users, and the correction information required by the users is virtual reference station observation value information, mainly comprises GNSS pseudo-range, carrier phase observation value, carrier-to-dryness ratio and the like.
5) Regional enhancement data encapsulation module
(1) Standard text encapsulation, encapsulating the correction information generated by the regional correction information processing module into a standard RTCM text format, and supporting RTCM2.X and RTCM3.X standard formats;
(2) The regional enhancement data pushing, the encapsulated regional enhancement information service message is pushed to a traffic transportation satellite navigation enhancement service system, and the regional enhancement information service message provides data broadcasting service for traffic transportation industry users;
(3) And (5) saving the region enhancement data, and pushing the packaged region enhancement information service text to a high-precision basic database for saving.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (9)

1. The satellite navigation enhancement information service system performs data acquisition based on a reference station network established by a highway network, and is characterized by comprising the following components: a user authentication subsystem and an enhanced information distribution subsystem;
The user authentication subsystem is used for maintaining user information, executing user authentication and monitoring user states; the maintaining user information includes: user information update and user service section/area settings; the performing user authentication includes: authentication information receiving, authentication information auditing and authentication information feedback; the monitoring of the user status includes: statistical analysis of the user distribution state and monitoring of abnormal behavior;
The enhanced information distribution subsystem is used for managing distribution configuration, requesting data service, executing data distribution and monitoring distribution quality; the management distribution configuration includes: management of distribution protocol, management of distribution interface and inquiry; the request data service includes: calling and monitoring data request service; the performing data distribution includes: data checking and broadcasting various service information; the monitoring distribution quality includes: flow monitoring, log distribution, service distribution monitoring and query;
a satellite navigation augmentation information service system, further comprising: an operating state monitoring system; the operation state monitoring system includes: the state monitoring and the enhanced service performance monitoring of the reference station network;
The reference station network state monitoring comprises the following steps: the reference station data monitoring module and the reference station management module;
the enhanced service performance monitoring is used for monitoring the generated enhanced information service coverage and time delay, and providing service capability within the coverage range is displayed in real time.
2. The satellite navigation enhancement information service system according to claim 1, wherein the user authentication subsystem comprises: an authentication operation module and an authentication management module;
the authentication operation module is used for receiving authentication information, checking the authentication information and feeding back the authentication information;
The authentication management module is used for carrying out user information maintenance, user service section/area setting, user statistical analysis and abnormal user monitoring.
3. The satellite navigation augmentation information service system of claim 1, wherein said augmentation information distribution subsystem comprises: the system comprises a data distribution service module, a distribution control module, a distribution quality display module and a user service module;
the data distribution service module is used for carrying out data checking, region enhancement service information distribution, data flow monitoring, information feedback and data storage;
The distribution control module is used for carrying out distribution interface management, distribution interface inquiry, log recording, log audit, information encryption, protocol management and information compression;
the distribution quality display module is used for monitoring overall distribution service, inquiring distribution service conditions and processing abnormal distribution of the service;
the user service module is used for carrying out data request service calling and data request service monitoring.
4. The satellite navigation enhancement information service system according to claim 1, comprising: configuration services, distribution services, and monitoring services.
5. The satellite navigation augmented information service system according to claim 1, further comprising: a high-precision user comprehensive service management system; the high-precision user integrated service management system comprises: a comprehensive management subsystem and a comprehensive portal subsystem;
the comprehensive management subsystem is used for managing and auditing the services provided by the comprehensive portal subsystem and monitoring service data and system running conditions at any time;
The comprehensive portal subsystem is used for providing comprehensive service for the users at the PC end.
6. The satellite navigation augmented information service system according to claim 5, wherein the integrated management subsystem comprises: the system comprises a permission management module, an end user management module, a platform user management module, a user service management module, a content management module, an online service management module and a statistics and monitoring module.
7. The satellite navigation enhancement information service system according to claim 5, wherein the integrated portal subsystem comprises: the system comprises a user registration login module, a service coverage query module, a user management center module and an information display module.
8. The satellite navigation augmented information service system according to claim 1, further comprising: a reference station data management and exchange platform; the reference station data management and exchange platform comprises: the system comprises a reference station data access module, a reference station configuration information management module, a data protocol checking module, a data content checking module, a data cleaning module, a data reduction module, a data conversion storage module and a data storage management module.
9. The satellite navigation augmented information service system according to claim 1, further comprising: a satellite navigation enhancement information processing platform; the satellite navigation enhancement information processing platform comprises: the system comprises an area grid virtual point dividing module, an algorithm load balancing module, a data processing module, an area correction information processing module and an area enhancement data packaging module.
CN202410479603.8A 2024-04-22 2024-04-22 Satellite navigation enhanced information service system Pending CN118094522A (en)

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Publication number Priority date Publication date Assignee Title
CN107991689A (en) * 2017-12-01 2018-05-04 北京北方联星科技有限公司 Satellite navigation foundation enhancement information and the apparatus and method of navigation signal collection playback
CN113031011A (en) * 2021-03-19 2021-06-25 北京中交创新投资发展有限公司 Beidou high-precision satellite navigation and position service system
CN113050139A (en) * 2021-03-19 2021-06-29 北京中交创新投资发展有限公司 Grid-based high-precision satellite navigation positioning service system

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Publication number Priority date Publication date Assignee Title
CN107991689A (en) * 2017-12-01 2018-05-04 北京北方联星科技有限公司 Satellite navigation foundation enhancement information and the apparatus and method of navigation signal collection playback
CN113031011A (en) * 2021-03-19 2021-06-25 北京中交创新投资发展有限公司 Beidou high-precision satellite navigation and position service system
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