CN103323869A - Global high-accuracy difference locating method combined with area enhancing - Google Patents
Global high-accuracy difference locating method combined with area enhancing Download PDFInfo
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- CN103323869A CN103323869A CN2013102522571A CN201310252257A CN103323869A CN 103323869 A CN103323869 A CN 103323869A CN 2013102522571 A CN2013102522571 A CN 2013102522571A CN 201310252257 A CN201310252257 A CN 201310252257A CN 103323869 A CN103323869 A CN 103323869A
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Abstract
The invention provides a global high-accuracy difference locating method combined with area enhancing. A global high-accuracy difference locating system is used as a frame system, real-time observing data of a global real-time tracking station network are used for achieving free infusion and flexible complementation of an area CORS network, a distribution type processing technology and an integrated processing technology are used for processing massive area network data in an accurate-locating-enhancing-information-comprehensive mode, a generated accurate-locating-information product is sent to a real-time user, and seamless switching of global difference locating and area enhancing user locating is achieved. Resource potential of a local area enhancing system is effectively achieved, local area enhancing is combined in a wide area system, global high-accuracy difference locating is carried out in a global difference signal coverage area, and in an area enhancing signal auxiliary area, a user terminal can add an enhancing signal to achieve obvious improvement of locating performance.
Description
Technical field
The invention belongs to the satellite positioning tech field, particularly a kind of global high precision of integration region enhancing is poor
Divide localization method.
Background technology
Along with the develop rapidly of Technique of Satellite Navigation and Positioning, people propose more and more higher requirement to the precision of navigator fix.Satellite navigation system self poisoning precision is 4-20 rice, can not satisfy high precision user's demand.The global differential precision positioning is the main wide area real-time accurate station-keeping mode that strengthens based on the satellite-based that adopts at present, can increase substantially satellite navigation system in the navigation Service precision, availability, continuity and the integrity that strengthen signal coverage areas.The realization of current enhancing system depends on the terrestrial reference station system in various countries or area to a great extent, at present, the terrestrial reference station of all kinds of continuous operations of China reaches about 2000, yet because now ground enhancing system is separate, not within a system, be difficult to realize connecting and seamless service.Therefore, how more abundant and effective performance Local Area Augmentation System resource potential strengthen freedom of information with Local Area Augmentation System and incorporate, augment flexibly Wide Area Augmentation System, have become urgent problem.
Summary of the invention
For the problem that background technology exists, the invention provides the global high precision that a kind of integration region strengthens
The difference localization method.
The present invention is based upon under the global high-precision difference frame system, under this frame system, realize strengthening net (CORS net) enhancing information by freely incorporating, augment flexibly the zone, with user's positioning performance of improving this area (comprising user initialization time, bearing accuracy, integrity), realize that global differential location and zone strengthen the seamless switching of user location.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The global high-precision difference localization method that a kind of integration region strengthens may further comprise the steps,
Step 1, based on the real-time monitored data of global real-time follow-up station net, process generating the accurate letter of global differential
The breath product;
Step 2, based on the real-time monitored data of each regional network and the accurate information products of global differential, application distribution
Formula is processed each regional network difference enhancing information that generates;
Step 3, by magnanimity regional station net difference information integrated treatment technology, realize each regional CORS net
Freely incorporate and augment flexibly, generate the consistent difference product of benchmark;
Step 4, by the Information Transmit between World Wide Web, regional network and the terminal room with mutual, realize World Wide Web
Accurate information, regional network strengthen the information realtime interactive between information and the user terminal;
Step 5, strengthen terminal integral treatment technology under the support by World Wide Web high-precision difference and regional network,
Realize the unified data processing mode of user terminal, in the world user realized seamless hi-Fix, under the condition that regional network information is provided automatically auxiliary with strengthen user's positioning performance.
The accurate information products of described global differential comprise that Navsat track, clock correction, ionosphere, satellite hardware postpone.
Compared with prior art, the present invention has the following advantages and beneficial effect:
1, the present invention effectively brings into play the resource potential of Local Area Augmentation System, local is strengthened being integrated into Wide Area Augmentation System, has realized that global differential location and zone strengthen the seamless switching of user location; Carry out global high-precision difference location in only having the global differential signal coverage areas, having the zone to strengthen in the auxiliary zone of signal, user terminal can add and strengthen the remarkable lifting that signal is realized positioning performance.
2, the present invention proposes the new high precision whole world processes and service mode with GPS local area differential.Under this Model Establishment World Wide Web high-precision difference locating system framework, with processing and the service of regional network wild phase fusion.The zone enhancing can realize freely incorporating, augmenting flexibly, and global high-precision difference and regional enhancement service realize that automatic seamless switches.
3, the present invention proposes magnanimity base station net measurement data fusion seamless processing method.Broken through the limitation of existing network RTK technology to the necessary subnetting of extensive base station, the main reference station of introducing, realized satisfying the real-time base station correcting information disposal route in zone of seamless service, realized that blur level is fixed, fast initialization.
4, the present invention proposes the integrated terminal disposal route that strengthens different levels information based on the accurate difference of World Wide Web and zone.Realized that a kind of need satisfy user's locator meams of the integrated treatment under the different accurate enhancing information.
Description of drawings
Fig. 1 is the global high-precision difference system framework figure that integration region strengthens among the present invention.
Fig. 2 is techniqueflow chart of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
The present invention includes following steps:
Step 1, based on the real-time monitored data of global real-time follow-up station net, process the accurate information products such as the global differentials that generate Navsat track, clock correction, Global Ionospheric, satellite hardware delay;
Step 2, based on the accurate information products of each regional network real-time monitored data and global differential, application distribution is processed and is generated each regional network difference and strengthen information;
Step 3, by magnanimity regional station net difference information integrated treatment technology, under same frame system, freely incorporating and augmenting flexibly of each regional CORS net generates the consistent difference product of benchmark under the global framework;
Step 4, by the Information Transmit between World Wide Web, regional network and the terminal room with mutual, realize that the accurate information of World Wide Web, regional network strengthen the information realtime interactive between information and the terminal;
Step 5, strengthen terminal integral treatment technology under the support by World Wide Web high-precision difference and regional network, realize the unified data processing mode of user terminal, the seamless hi-Fix of user is providing automatic auxiliary and enhancing user positioning performance under the regional network information condition in the world.
Claims (2)
1. the global high-precision difference localization method that strengthens of an integration region is characterized in that: may further comprise the steps,
Step 1, based on the real-time monitored data of global real-time follow-up station net, process generating the accurate information products of global differential;
Step 2, based on the real-time monitored data of each regional network and the accurate information products of global differential, application distribution is processed and is generated each regional network difference and strengthen information;
Step 3, by magnanimity regional station net difference information integrated treatment technology, realize freely incorporating and augmenting flexibly of each regional CORS net, generate the consistent difference product of benchmark;
Step 4, by the Information Transmit between World Wide Web, regional network and the terminal room with mutual, realize that the accurate information of World Wide Web, regional network strengthen the information realtime interactive between information and the user terminal;
Step 5, strengthen terminal integral treatment technology under the support by World Wide Web high-precision difference and regional network, realize the unified data processing mode of user terminal, in the world user is realized seamless hi-Fix, under the condition that regional network information is provided automatically auxiliary with strengthen user's positioning performance.
2. the global high-precision difference localization method that strengthens of a kind of integration region according to claim 1, it is characterized in that: the accurate information products of described global differential comprise that Navsat track, clock correction, ionosphere, satellite hardware postpone.
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| CN2013102522571A CN103323869A (en) | 2013-06-24 | 2013-06-24 | Global high-accuracy difference locating method combined with area enhancing |
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| CN2013102522571A CN103323869A (en) | 2013-06-24 | 2013-06-24 | Global high-accuracy difference locating method combined with area enhancing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019331A (en) * | 2015-08-28 | 2016-10-12 | 千寻位置网络有限公司 | Non-difference correction distributed processing method and system |
| CN106371122A (en) * | 2016-08-23 | 2017-02-01 | 武汉羲和科技有限公司 | Cloud positioning platform based RTK reference station searching method |
| CN106371119A (en) * | 2016-08-23 | 2017-02-01 | 武汉羲和科技有限公司 | Cloud positioning based GNSS global highly precise and enhanced positioning method |
-
2013
- 2013-06-24 CN CN2013102522571A patent/CN103323869A/en active Pending
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019331A (en) * | 2015-08-28 | 2016-10-12 | 千寻位置网络有限公司 | Non-difference correction distributed processing method and system |
| CN106019331B (en) * | 2015-08-28 | 2018-09-18 | 千寻位置网络有限公司 | Non- difference correction distributed approach and its system |
| CN106371122A (en) * | 2016-08-23 | 2017-02-01 | 武汉羲和科技有限公司 | Cloud positioning platform based RTK reference station searching method |
| CN106371119A (en) * | 2016-08-23 | 2017-02-01 | 武汉羲和科技有限公司 | Cloud positioning based GNSS global highly precise and enhanced positioning method |
| CN106371122B (en) * | 2016-08-23 | 2019-01-29 | 武汉羲和科技有限公司 | RTK base station search method based on cloud locating platform |
| CN106371119B (en) * | 2016-08-23 | 2019-01-29 | 武汉羲和科技有限公司 | The whole world GNSS high-precision enhancing localization method based on cloud positioning |
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Application publication date: 20130925 |