CN104049260A - Enhancement method, device and system based on coastal GNSS - Google Patents
Enhancement method, device and system based on coastal GNSS Download PDFInfo
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- CN104049260A CN104049260A CN201410273411.8A CN201410273411A CN104049260A CN 104049260 A CN104049260 A CN 104049260A CN 201410273411 A CN201410273411 A CN 201410273411A CN 104049260 A CN104049260 A CN 104049260A
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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
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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
- G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
Abstract
The embodiment of the invention provides an enhancement method, device and system based on a coastal GNSS. The enhancement method based on the coastal GNSS comprises the steps that a data center preprocesses data to be processed which are obtained in advance to obtain core data; the data center sends the core data to an enhancement station system according to a data downloading request sent by the enhancement station system; the enhancement station system processes the core data to obtain navigation aid information according to a GPS, a GLONASS and a BDS; the enhancement station system broadcasts the navigation aid information to user terminals so that the user terminals can conduct navigation according to the navigation aid information; as a result, the performance of a satellite navigation system in a coastal region is effectively improved, accurate navigation aid information is provided for the user terminals, and the safety of navigation of the user terminals in the coastal region is improved.
Description
Technical field
The embodiment of the present invention relates to coastal Satellite Navigation Technique, relates in particular to a kind of Enhancement Method, Apparatus and system based on coastal GPS (Global Position System) (English: Global Navigation Satellite System, guide number SS).
Background technology
Satellite navigation system can be simultaneously for land, sea and air user provides continuous three-dimensional position, speed and temporal information in worldwide, therefore be widely used, wherein, International Maritime Organization (IMO) and international navigation mark are organized and are used especially satellite navigation system for navigating by water in coastal waters and the boats and ships of departing from port use satellite navigation system that accurately intact navigation information is provided.
In prior art, according to coastal GNSS system and GPS (English: Global Positioning System, abbreviation GPS) set up coastal differential GPS, and in worldwide, build coastal differential GPS, at present, the differential GPS of China is mainly eliminated the common error in satellite clock error, ephemeris error and ionospheric error etc. by differential technique, and utilize coastal marker beacon (English: Radio Beacon, be called for short RBN) to user terminal, broadcast differential GPS update information and integrity message, for user terminal, carry out navaid.
Yet, existing differential GPS is only the differential correcting for GNSS, can only to coastal boats and ships, broadcast by RBN Differential corrections and the integrity message of GPS and satellite navigation system, and the accurate navigation tutorial message that ship's navigation can not be provided, makes the security of ship's navigation lower.
Summary of the invention
Enhancement Method, Apparatus and system based on coastal GNSS provided by the invention, effectively improves the performance of maritime province satellite navigation system, for user terminal provides accurate navigation supported information, improves the security of maritime province user terminal navigation.
First aspect present invention provides a kind of Enhancement Method based on coastal GNSS, comprising:
Data center carries out pre-service to the pending data of obtaining in advance, obtains core data;
Described data center, according to the data download request that strengthens the transmission of station system, sends to described enhancing station system by described core data;
Described enhancing station system is processed and is obtained navigation supported information described core data according to global position system GPS, GPS (Global Position System) GLONASS and Beidou satellite navigation system BDS;
Described enhancing station system broadcasts described navigation supported information to user terminal, so that described user terminal navigates by water according to described navigation supported information.
Second aspect present invention provides a kind of intensifier based on coastal GNSS, comprising:
Data center, for the pending data of obtaining are in advance carried out to pre-service, obtains core data;
Described data center is the data download request for sending according to enhancing station system also;
Strengthen station system, the core data sending for receiving described data center, and according to global position system GPS, GPS (Global Position System) GLONASS and Beidou satellite navigation system BDS, described core data is processed and obtained navigation supported information;
Described enhancing station system is also for described navigation supported information is broadcast to user terminal, so that described user terminal navigates by water according to described navigation supported information.
Third aspect present invention provides a kind of enhancing system based on coastal GNSS, comprise: the described intensifier based on coastal GNSS that second aspect provides and at least one user terminal, the described intensifier based on coastal GNSS is for carrying out the Enhancement Method based on coastal GNSS that first aspect provides.
Enhancement Method, Apparatus and system based on coastal GNSS provided by the invention, by data center, the pending data of obtaining are in advance carried out obtaining core data with processing, strengthen station system acquisition core data, and process and obtain corresponding navigation supported information according to GPS, GLONASS and BDS, and this navigation supported information is sent to user terminal, effectively improved the performance of maritime province satellite navigation system, for user terminal provides accurate navigation supported information, improve the security of maritime province user terminal navigation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the process flow diagram that the present invention is based on the Enhancement Method embodiment mono-of coastal GNSS;
Fig. 2 is the process flow diagram that the present invention is based on the Enhancement Method embodiment bis-of coastal GNSS;
Fig. 3 is the structural representation that the present invention is based on the intensifier embodiment mono-of coastal GNSS;
Fig. 4 is the structural representation that the present invention is based on the intensifier embodiment bis-of coastal GNSS;
Fig. 5 is structure and the feedback schematic diagram that the present invention strengthens station system one example;
Fig. 6 is the structural representation that the present invention is based on the enhancing system of coastal GNSS.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the process flow diagram that the present invention is based on the Enhancement Method embodiment mono-of coastal GNSS, GNSS comprises: GPS, GPS (Global Position System) (Russian: GLObalnaya NAvigatsionnaya Sputnikovaya Sistema, be called for short GLONASS) and Beidou satellite navigation system (English: BeiDou Navigation Satellite System, be called for short BDS).As shown in Figure 1, be somebody's turn to do the Enhancement Method based on coastal GNSS, specifically comprise the steps:
S101: data center carries out pre-service to the pending data of obtaining in advance, obtains core data.
In the present embodiment, data center carries out pre-service by pending data and is specially: processing is integrated and chosen to the described pending data based regional standard of obtaining in advance, obtain the core data at least one regional extent.
In addition, this data center comprises maritime affairs business information center, this data center is mainly used in collecting and processing pending data, for example: pending data are sea area navigational intelligence information, data center is sent to this enhancing station system by this navigational intelligence information automatically according to strengthening station system position; This data center can also store and process the running state information of maritime province difference GNSS, is processed the running status of the data acquisition enhancing station system that strengthens station system return data center and fed back to strengthen station system by monitoring; This data center can also store and process satellitosis information of forecasting, predicts the state of each station visible satellite by aftertreatment precise ephemeris, and information is sent to and respectively strengthens station system.
S102: described data center, according to the data download request that strengthens the transmission of station system, sends to described enhancing station system by described core data.
In the present embodiment, maritime province at least comprises that strengthens a station system, if certain strengthens station system, need to obtain core data, Ze Xiang data center sends data download request, and data center is sent to this enhancing station system according to this data download request by the core data of needs.
S103: described enhancing station system is processed and obtained navigation supported information described core data according to global position system GPS, GPS (Global Position System) GLONASS and Beidou satellite navigation system BDS.
In the present embodiment, strengthening station system is the core executive agent of the inventive method, in conjunction with GPS, GLONASS and BDS, this core data is processed, and obtains the navigation supported information that user terminal needs.
S104: described enhancing station system broadcasts described navigation supported information to user terminal, so that described user terminal navigates by water according to described navigation supported information.
In the present embodiment, this user terminal can be the other-ends such as boats and ships/Shipping Company, maritime control mechanism, and the navigation supported information that receives the transmission of enhancing station system is carried out to dissection process, obtains the various information that need.
The Enhancement Method based on coastal GNSS that the present embodiment provides, by data center, the pending data of obtaining are in advance carried out obtaining core data with processing, strengthen station system acquisition core data, and process and obtain corresponding navigation supported information according to GPS, GLONASS and BDS, and this navigation supported information is sent to user terminal, effectively improve the performance of maritime province satellite navigation system, for user terminal provides accurate navigation supported information, improved the security of maritime province user terminal navigation.
Fig. 2 is the process flow diagram that the present invention is based on the Enhancement Method embodiment bis-of coastal GNSS, as shown in Figure 2, on the basis of above-described embodiment, the described navigation supported information obtaining in S103 at least comprises: strengthen station state, strengthen the navigational intelligence information in station satellite tracking data, unidentified text warning, integrity information and described enhancing station marine site that system covers.In the present embodiment, described enhancing station system comprises broadcasts station control desk, difference GNSS base station, difference BDS integrity monitoring station and difference GNSS integrity monitoring station, S103: described enhancing station system is processed and obtained navigation supported information described core data according to global position system GPS, GPS (Global Position System) GLONASS and Beidou satellite navigation system BDS, specific implementation step comprise:
S201: described in broadcast station control desk and described core data is sent to described difference GNSS base station carries out modulation treatment, obtain described enhancing station state, described enhancing station satellite tracking data, unidentified text is reported to the police and the navigational intelligence information in described enhancing station marine site that system covers.
In the present embodiment, this core data comprises: navigational intelligence information, strengthen the service data of station system, satellite state information etc., and wherein, navigational intelligence information spinner will comprise: the hydrometeorological information in each marine site, sea area, the available information of each subregion, sea area, the dock operation information in each sea area, the navigational warning information such as the control information in each waters, sea area.The operation information that strengthens station system mainly comprises: strengthen the status information of station system, strengthen the Historical Monitoring data of station system.Satellite state information mainly comprises: from the satellite health status report information of corresponding satellite transit official website download and from strengthening the satellitosis monitoring information of station system acquisition.
Broadcast station control desk and be used for arranging the running parameter that strengthens station system, and collect and store all data, receive the core data that data center sends, control the operation that strengthens station system, and core data is sent to difference GNSS base station processes.
Further, described enhancing station state comprises pseudorange correction and pseudorange rate of change correction, and described difference GNSS base station obtains described enhancing station state, comprising:
Described difference GNSS base station receives the multimode signal of GPS, BDS and/or GLONASS;
According to described core data and the calculating of described multimode signal, obtain described pseudorange correction and described pseudorange rate of change correction.
S202: broadcast station control desk, described difference BDS integrity monitoring station and described difference GNSS integrity monitoring station described in described difference GNSS base station sends to the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data, the warning of unidentified text and described enhancing station marine site that system covers respectively.
S203: the integrity situation of described BDS is detected at described difference BDS integrity monitoring station according to the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data and described enhancing station marine site that system covers, obtain BDS integrity information.
In the present embodiment, difference BDS integrity monitoring is used for receiving all information that difference GNSS base station sends, and verify respectively described enhancing station state according to BDS, whether the navigational intelligence information in described enhancing station satellite tracking data and described enhancing station marine site that system covers (detects the integrity situation of Beidou satellite navigation system visible satellite) in error allowed band, regularly to difference GNSS base station, feed back, to indicate the running status of whole enhancing station system, error if there is certain information exceeds allowed band, produce warning message, and this warning message is sent to respectively to difference GNSS base station and broadcasts station control desk.
S204: the integrity situation of described GPS and GLONASS is detected respectively at described difference GNSS integrity monitoring station according to the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data and described enhancing station marine site that system covers, obtain GPS integrity information and GLONASS integrity information.
In the present embodiment, difference GNSS integrity monitoring is used for receiving all information that difference GNSS base station sends, and verify respectively described enhancing station state according to GPS and GLONASS, whether the navigational intelligence information in described enhancing station satellite tracking data and described enhancing station marine site that system covers (detects the integrity situation of GPS and GLONASS visible satellite) in error allowed band, regularly to difference GNSS base station, feed back, to indicate the running status of whole enhancing station system, error if there is certain information exceeds allowed band, produce warning message, and this warning message is sent to respectively to difference GNSS base station and broadcasts station control desk.
S205: broadcast station control desk described in described difference BDS integrity monitoring station sends to described BDS integrity information, and station control desk is broadcast described in described GPS integrity information and described GLONASS integrity information are sent in described difference GNSS integrity monitoring station.
Wherein, described integrity information comprises described BDS integrity information, described GPS integrity information and described GLONASS integrity information, so far under the processing of each equipment in strengthening station system, obtains whole navigation supported informations.
In the present embodiment, whole enhancing station system can realize following functions: calculate and broadcast GPS/GLONASS/BDS pseudo range difference correction and pseudorange rate of change correction; Broadcast directional beacon almanac and standard station status information; Broadcast and process maritime affairs navigational intelligence information; Broadcast the international ocean shipping cause radiotelegraphy council (English: Radio Technical Commission for Maritime services, abbreviation RTCM) standard navigation text; Check difference GNSS equipment and/or transmitter failure, when having fault, can automatically switch to hot standby machine work and send a warning message to broadcasting station control desk; Monitor respectively difference GNSS and difference BDS system performance, can generate statistical report form and send to data center's (comprising maritime affairs business intelligence department).
The Enhancement Method based on coastal GNSS that the present embodiment provides, by data center, the pending data of obtaining are in advance carried out obtaining core data with processing, strengthen station system acquisition core data, and according to GPS, GLONASS and BDS process, difference GNSS base station obtains and strengthens station state, strengthen station satellite tracking data, unidentified text is reported to the police and is strengthened the navigational intelligence information in station marine site that system covers, difference BDS integrity monitoring station and described difference GNSS integrity monitoring station obtain integrity information, finally obtain whole navigation supported informations, and this navigation supported information is sent to user terminal, effectively improved the performance of maritime province satellite navigation system, for user terminal provides accurate navigation supported information, improve the security of maritime province user terminal navigation.
Fig. 3 is the structural representation that the present invention is based on the intensifier embodiment mono-of coastal GNSS, should comprise by the intensifier 30 based on coastal GNSS as shown in Figure 3: data center 31, at least one enhancing station system 32, concrete: data center 31, for the pending data of obtaining are in advance carried out to pre-service, obtain core data; Described data center 31 is also for sending described core data according to the data download request that strengthens 32 transmissions of station system to described enhancing station system 32; The core data that described enhancing station system 32 also sends for receiving described data center 31, and according to global position system GPS, GPS (Global Position System) GLONASS and Beidou satellite navigation system BDS, described core data is processed and obtained navigation supported information; Described enhancing station system 32 is also for described navigation supported information is broadcast to user terminal, so that described user terminal navigates by water according to described navigation supported information.
Optionally, described data center 31, specifically for processing is integrated and chosen to the described pending data based regional standard of obtaining in advance, obtains the core data at least one regional extent.
The Enhancement Method based on coastal GNSS that the present embodiment provides, by data center, the pending data of obtaining are in advance carried out obtaining core data with processing, strengthen station system acquisition core data, and process and obtain corresponding navigation supported information according to GPS, GLONASS and BDS, and this navigation supported information is sent to user terminal, effectively improve the performance of maritime province satellite navigation system, for user terminal provides accurate navigation supported information, improved the security of maritime province user terminal navigation.
Fig. 4 is the structural representation that the present invention is based on the intensifier embodiment bis-of coastal GNSS, on the basis of above-described embodiment, described navigation supported information comprises: strengthen station state, strengthen the navigational intelligence information in station satellite tracking data, unidentified text warning, integrity information and described enhancing station marine site that system covers, described enhancing station system 32 specifically comprises:
Broadcast station control desk 321, difference GNSS base station 322, difference BDS integrity monitoring station 323 and difference GNSS integrity monitoring station 324; Wherein,
The described station control desk 321 of broadcasting is for being sent to described core data described difference GNSS base station 322;
Described difference GNSS base station 322, for described core data is carried out to modulation treatment, obtains the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data, the warning of unidentified text and described enhancing station marine site that system covers;
Described difference GNSS base station 322 is also broadcast station control desk 321, described difference BDS integrity monitoring station 323 and described difference GNSS integrity monitoring station 324 described in the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data, described unidentified text warning and described enhancing station marine site that system covers is sent to respectively;
Described difference BDS integrity monitoring 323 stations are for detecting the integrity situation of described BDS according to the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data and described enhancing station marine site that system covers, obtain BDS integrity information, and broadcast station control desk 321 described in described BDS integrity information is sent to;
Described difference GNSS integrity monitoring station 324 is for detecting respectively the integrity situation of described GPS and GLONASS according to the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data and described enhancing station marine site that system covers, obtain GPS integrity information and GLONASS integrity information, and broadcast station control desk 321 described in described GPS integrity information and described GLONASS integrity information are sent to;
Wherein, described integrity information comprises described BDS integrity information, described GPS integrity information and described GLONASS integrity information.
Further, described enhancing station state comprises pseudorange correction and pseudorange rate of change correction, and described difference GNSS base station 322 is also for receiving the multimode signal of GPS, BDS and/or GLONASS;
Described difference GNSS base station 322 is also for obtaining described pseudorange correction and described pseudorange rate of change correction according to described core data and the calculating of described multimode signal.
In the present embodiment, preferably, intensifier 32 based on coastal GNSS comprises that one is broadcast the mutually redundant difference GNSS base station of station control desk 321, two 322, difference BDS integrity monitoring station 323 and a difference GNSS integrity monitoring station 324, and a Control box and two mutually redundant transmitters.
In embodiments of the present invention, acting on of Control box and transmitter is identical with prior art, the main settling signal selection function of Control box.Control box input end connects respectively the modulated output signal of difference GNSS base station 322.The steering order of station control desk 321 is broadcast in reception, selects the output signal of difference GNSS base station 322 and is connected with transmitter.By default, select the crosslinked work of difference GNSS base station 322 and transmitter.When one of them difference GNSS base station 322 breaks down, by broadcasting station control desk 321, control another difference GNSS base station and the crosslinked work of transmitter of being switched to.Equally, when one of them transmitter breaks down, by broadcasting station control desk 321, control another transmitter and the crosslinked work of difference GNSS base station of being switched to.
Transmitter produces the rated power output of 500W, and produces amplitude modulation report or continuous wave signal according to voice frequency keying identification code signal.Transmitter is comprised of frequency synthesizer, modulator driver, modulator, detuner, power amplifier.Wherein modulator, detuner, power amplifier are totally four groups, and each organizes identical, the rated power output of synthetic 500W after its output series connection.
The intensifier based on coastal GNSS that the present embodiment provides, for carrying out the technical scheme of the embodiment of the method shown in Fig. 1-2, it realizes principle and technique effect is similar, by data center, the pending data of obtaining are in advance carried out obtaining core data with processing, strengthen station system acquisition core data, and according to GPS, GLONASS and BDS process, difference GNSS base station obtains and strengthens station state, strengthen station satellite tracking data, unidentified text is reported to the police and is strengthened the navigational intelligence information in station marine site that system covers, difference BDS integrity monitoring station and described difference GNSS integrity monitoring station obtain integrity information, finally obtain whole navigation supported informations, and this navigation supported information is sent to user terminal, effectively improved the performance of maritime province satellite navigation system, for user terminal provides accurate navigation supported information, improve the security of maritime province user terminal navigation.
Below introduce in detail the difference GNSS base station that strengthens in station system and, the constitute and function at BDS integrity monitoring station and difference GNSS integrity monitoring station.
Fig. 5 is structure and the feedback schematic diagram that the present invention strengthens station system one example, as shown in Figure 5, in the present invention, simple one strengthens station system and at least comprises: broadcast station control desk for one, two mutually redundant difference GNSS base stations, difference BDS integrity monitoring station, difference GNSS integrity monitoring station, two mutually redundant directional beacon transmitters and Control box.This enhancing station system shown in Fig. 5 is used for the embodiment of the method shown in execution graph 2, and its concrete feedback implementation is with reference to above-described embodiment.
In the present embodiment, difference GNSS base station is comprised of multimode GNSS high precision receiver module, integrated information processing module and minimum translation keying (English: Minimum Shift Keying, abbreviation MSK) modulator.Wherein, multimode GNSS high precision receiver module receives GPS, BDS, and the one or more multimode signals in GLONASS, and according to known aerial position compute pseudo-ranges correction.Support GPS, GLONASS, the work of BDS single system, dual system and three systems to work simultaneously.The pseudorange correction of measuring and pseudorange rate of change correction, integrity information, navigational intelligence, monitoring station information are through the output of MSK modulators modulate.Wherein GNSS pseudorange correction and pseudorange rate of change correction are pressed < < DGNSS system RTCM proposed standard V2.3 > > output, and the Big Dipper is partly used standard hollow wrongly written or mispronounced character joint.
Difference GNSS base station concrete function comprises: 1) GPS, GLONASS, BDS single system mode of operation or dual system, three system works patterns are set; 2) calculate GNSS pseudorange correction and pseudorange rate of change correction; 3) alarm threshold value and warning are set, comprise: low tracking satellite number is reported to the police, high pseudorange correction is reported to the police, and high pseudorange rate of change correction is reported to the police, and overtime warning, navigational intelligence early warning, monitoring station fault alarm are fed back in integrity monitoring station; 4) reset function; 5) Data-Link parameter function is set, comprises: frequency of operation, mode of operation, modulation rate, modulating mode, wheel synchronization type, Error Correction of Coding, directional beacon identity sign (English: Identity is called for short ID) etc.; 6) base station parameter is set, comprises: base station ID, frequency source, reference position (longitude, latitude, highly), shield angle, maximum correction length of time etc.; 7) satellite health status is set; 8) message header health status is set; 9) the unhealthy information of pseudorange is set; 10) send RTCM and broadcast text list; 11) send and strengthen station state, comprising: satellite health status, pseudorange correction, pseudorange rate of change correction, pseudorange acceleration, difference distance error, improved Z count value etc.; 12) send and strengthen station satellite tracking data, comprise; Position angle, the angle of pitch, carrier-to-noise ratio, user range accuracy, satellite ephemeris health status etc.; 13) sending unidentified text reports to the police; 14) send reference station integrity monitoring (English: Reference Station Integrity Monitoring, abbreviation RSIM) diagnosis report/warning.15) the navigational intelligence information in the sea area that covers, comprising: control zone information, operation restricted area information, hydrometeorological information, Ship Navigational Plan information, port and pier job information, other special advertised information etc.
In the present embodiment, integrity monitoring station (comprising: difference GNSS integrity monitoring station and difference BDS integrity monitoring station) built-in multisystem high-precision receiver and beacon receiver.Integrity monitoring station can receive directional beacon signal, pseudorange correction and the pseudorange rate of change correction of monitoring transmitter signal quality and base station issue.Regularly to base station, send feedback information, indication mechanism running status.When transmitter signal quality exceeds threshold value, to control station, send warning.When the parameters such as pseudorange correction, pseudorange rate of change correction or position exceed threshold value, to control station, report to the police, notify base station simultaneously.
Concrete function comprises: 1) mode of operation is set; 2) integrity monitoring is reported to the police, comprise: orthometric correction is counted the length of time and reported to the police, high text bit error rate alarm, low signal-to-noise ratio is reported to the police, low signal intensity is reported to the police, it is alert that tracking satellite is counted understatement, high level dilution of precision (English: Horizontal Dilution of Position, be called for short HDOP) value warning, horizontal position error is high reports to the police, and high pseudorange residual error is reported to the police, and high pseudorange rate of change residual error is reported to the police, low user's difference pseudorange error (English: User Differential Range Error, be called for short UDRE) report to the police etc.; 3) to control station, regularly report monitoring station state.Comprise: longitude error, latitude error, height error, positioning calculation satellite number, the positioning precision factor (English: Positioning Dilution of Position, be called for short PDOP), HDOP, vertical dilution of precision (English: Vertical Dilution of Position, be called for short VDOP), pseudorange residual error, pseudorange rate of change residual error, correct quality, correction length of time etc.; 4) regularly to base station transmitting system usability feedback information; 5) arrange and report directional beacon receiver parameters, comprising: the directional beacon frequency of operation of monitoring, modulation rate, modulating mode, wheel synchronization type, type of coding etc.; 6) report data chain state, comprising: signal intensity, signal to noise ratio (S/N ratio), the text bit error rate, average correction length of time etc.; 7) report receiver Satellite Tracking parameter, comprising: defend asterisk, position angle, the angle of pitch, carrier-to-noise ratio, user distance precision, satellite health status etc.; 8) sending unidentified text reports to the police; 9) send RSIM diagnosis report/warning.
In the present embodiment, broadcasting station control desk is comprised of computing machine and corresponding messaging software.Broadcast station control desk difference GNSS base station and integrity monitoring station running parameter can be set, and receive the data that difference GNSS base station and integrity monitoring station report, process navigational intelligence information and early warning information.Broadcast station control desk software and provide man-machine interface for user.Can show the running parameter of difference GNSS base station, integrity monitoring station, transmitter, modulator in good time, and show sea area, place navigational intelligence to there is data storage, statistics, inquiry, the functions such as generating report forms.
Concrete function comprises: 1) parameter function for monitoring, can surveillance work at present parameter, and comprising: name of station, base station identification code, base station duty, integrity monitoring station duty, site error, signal intensity, signal to noise ratio (S/N ratio), the text bit error rate, satellites in view number, tracking satellite number, Data-Link state, emissive power, backward power, antenna current etc.; 2) parameter setting function, base station, integrity monitoring station and transmitter parameter can be set, comprise: name of station, base station identification code, directional beacon identification code, serial ports parameter, receiver parameters, satellite health status, Data-Link parameter, base station alarm threshold, alarm threshold/warning interval, integrity monitoring station, transmitter control etc.; 3) warning function, can receive the warning message that difference GNSS base station and integrity monitoring station send, and receives the boat feelings early warning of information and data center and sends alarm, display alarm content; 4) data recording function, broadcasts station control desk BSC software and has database function, can record and store various monitoring datas; 5) data sheet function, control station software can be according to the time generated data form of setting; 6) subscriber management function, control station software can add, edit, delete operator on duty's information.
Fig. 6 is the structural representation that the present invention is based on the enhancing system of coastal GNSS, as shown in Figure 6, should the enhancing system 60 based on coastal GNSS comprise: intensifier 61 and at least one user terminal 62 based on coastal GNSS, the described intensifier 61 based on coastal GNSS is for the Enhancement Method based on coastal GNSS shown in execution graph 1 or Fig. 2.
In the present embodiment, the number of this user terminal 62 is at least one, at least comprises in addition the enhancing station system of describing in an above-described embodiment in the intensifier based on coastal GNSS 61.
The enhancing system based on coastal GNSS that the present embodiment provides is for carrying out the technical scheme of the embodiment of the method shown in Fig. 1-2, and it realizes principle and technique effect is similar, does not repeat them here.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of programmed instruction.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the Enhancement Method based on coastal GNSS, is characterized in that, comprising:
Data center carries out pre-service to the pending data of obtaining in advance, obtains core data;
Described data center, according to the data download request that strengthens the transmission of station system, sends to described enhancing station system by described core data;
Described enhancing station system is processed and is obtained navigation supported information described core data according to global position system GPS, GPS (Global Position System) GLONASS and Beidou satellite navigation system BDS;
Described enhancing station system broadcasts described navigation supported information to user terminal, so that described user terminal navigates by water according to described navigation supported information.
2. method according to claim 1, is characterized in that, described navigation supported information comprises: strengthen station state, strengthen the navigational intelligence in station satellite tracking data, unidentified text warning, integrity information and described enhancing station marine site that system covers.
3. method according to claim 2, it is characterized in that, described enhancing station system comprises broadcasts station control desk, difference GNSS base station, difference BDS integrity monitoring station and difference GNSS integrity monitoring station, described enhancing station system is processed and is obtained navigation supported information described core data according to global position system GPS, GPS (Global Position System) GLONASS and Beidou satellite navigation system BDS, comprising:
The described station control desk of broadcasting is sent to described difference GNSS base station by described core data and carries out modulation treatment, obtains described enhancing station state, described enhancing station satellite tracking data, unidentified text is reported to the police and the navigational intelligence information in described enhancing station marine site that system covers;
Described difference GNSS base station is broadcast station control desk, described difference BDS integrity monitoring station and described difference GNSS integrity monitoring station described in the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data, the warning of unidentified text and described enhancing station marine site that system covers is sent to respectively;
The integrity situation of described BDS is detected at described difference BDS integrity monitoring station according to the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data and described enhancing station marine site that system covers, obtain BDS integrity information;
The integrity situation of described GPS and GLONASS is detected respectively at described difference GNSS integrity monitoring station according to the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data and described enhancing station marine site that system covers, obtain GPS integrity information and GLONASS integrity information;
Station control desk is broadcast described in described BDS integrity information is sent in described difference BDS integrity monitoring station, and station control desk is broadcast described in described GPS integrity information and described GLONASS integrity information are sent in described difference GNSS integrity monitoring station;
Wherein, described integrity information comprises described BDS integrity information, described GPS integrity information and described GLONASS integrity information.
4. method according to claim 3, is characterized in that, described enhancing station state comprises pseudorange correction and pseudorange rate of change correction, and described difference GNSS base station obtains described enhancing station state, comprising:
Described difference GNSS base station receives the multimode signal of GPS, BDS and/or GLONASS;
Described difference GNSS base station obtains described pseudorange correction and described pseudorange rate of change correction according to described core data and the calculating of described multimode signal.
5. according to the method described in claim 1-4 any one, it is characterized in that, described data center carries out pre-service to the pending data of obtaining in advance, obtains core data, comprising:
Described data center integrates and chooses processing by the described pending data based regional standard of obtaining in advance, obtains the core data at least one regional extent.
6. the intensifier based on coastal GNSS, is characterized in that, comprising:
Data center, for the pending data of obtaining are in advance carried out to pre-service, obtains core data;
Described data center is the data download request for sending according to enhancing station system also;
Strengthen station system, the core data sending for receiving described data center, and according to global position system GPS, GPS (Global Position System) GLONASS and Beidou satellite navigation system BDS, described core data is processed and obtained navigation supported information;
Described enhancing station system is also for described navigation supported information is broadcast to user terminal, so that described user terminal navigates by water according to described navigation supported information.
7. device according to claim 6, it is characterized in that, described navigation supported information comprises: strengthen station state, strengthen the navigational intelligence information in station satellite tracking data, unidentified text warning, integrity information and described enhancing station marine site that system covers, described enhancing station system specifically comprises:
Broadcast station control desk, difference GNSS base station, difference BDS integrity monitoring station and difference GNSS integrity monitoring station; Wherein,
The described station control desk of broadcasting is for being sent to described core data described difference GNSS base station;
Described difference GNSS base station, for described core data is carried out to modulation treatment, obtains the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data, the warning of unidentified text and described enhancing station marine site that system covers;
Described difference GNSS base station is also broadcast station control desk, described difference BDS integrity monitoring station and described difference GNSS integrity monitoring station described in the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data, the warning of unidentified text and described enhancing station marine site that system covers is sent to respectively;
Described difference BDS integrity monitoring station is for detecting the integrity situation of described BDS according to the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data and described enhancing station marine site that system covers, obtain BDS integrity information, and broadcast station control desk described in described BDS integrity information is sent to;
Described difference GNSS integrity monitoring station is for detecting respectively the integrity situation of described GPS and GLONASS according to the navigational intelligence information in described enhancing station state, described enhancing station satellite tracking data and described enhancing station marine site that system covers, obtain GPS integrity information and GLONASS integrity information, and broadcast station control desk described in described GPS integrity information and described GLONASS integrity information are sent to;
Wherein, described integrity information comprises described BDS integrity information, described GPS integrity information and described GLONASS integrity information.
8. device according to claim 7, is characterized in that, described enhancing station state comprises pseudorange correction and pseudorange rate of change correction, and described difference GNSS base station is also for receiving the multimode signal of GPS, BDS and/or GLONASS;
Described difference GNSS base station is also for obtaining described pseudorange correction and described pseudorange rate of change correction according to described core data and the calculating of described multimode signal.
9. according to the device described in claim 6-8 any one, it is characterized in that, described data center, specifically for processing is integrated and chosen to the described pending data based regional standard of obtaining in advance, obtains the core data at least one regional extent.
10. the enhancing system based on coastal GNSS, it is characterized in that, comprise: the intensifier based on coastal GNSS described in claim 6-9 any one and at least one user terminal, the described intensifier based on coastal GNSS is for executing claims the Enhancement Method based on coastal GNSS described in 1-5 any one.
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