CN1512138A - Method for realizing vehicle network navigation based on GPS and GPRS - Google Patents
Method for realizing vehicle network navigation based on GPS and GPRS Download PDFInfo
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- CN1512138A CN1512138A CNA021516332A CN02151633A CN1512138A CN 1512138 A CN1512138 A CN 1512138A CN A021516332 A CNA021516332 A CN A021516332A CN 02151633 A CN02151633 A CN 02151633A CN 1512138 A CN1512138 A CN 1512138A
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Abstract
The network navigation method for vehicle based on GPS and GPRS includes establishing navigation center with rich map resource, fast calculation capacity and capacity of connecting GPRS system; adding GPRS module to vehicular navigation equipment with GPS module and capable of displaying map and playing back sound; GPRS network interacting for the vehicular navigation equipment to request the navigation center to update and replenish local map; creating various navigation elements in the navigation center and sending them to the vehicular navigation equipment; and performing the navigation in the vehicle. The present invention has accurate and reasonable navigation route and cheap vehicular navigation equipment.
Description
Technical field
The invention belongs to the network communication applications technical field, particularly a kind of method based on GPS and the navigation of GPRS realization vehicle network.
Background technology
Fast development along with Chinese national economy, the significantly raising of living standards of the people, development as the transportation of one of important economic lifeline of China is also advanced by leaps and bounds, the recoverable amount of China's vehicle presents the gesture that increases substantially now, the thing followed is getting going and go all out of highway construction, the highway communication line is extends in all direction with crisscross; What will face on the one hand for vehicle now is the domestic runway in urban district that spreads all over the streets and lanes, city, and what will face on the other hand is existing highway, standard highway, common road, and the line of traffic highway overseas of national highway, provincial highway is arranged again; The driving difficulty in past is mainly reflected in that road is few, road conditions are poor, present driving difficulty then is embodied in the selection to traffic route more and more, select the traffic route an of the best for the driver, avoiding going a long way unnecessarily has become inevitable choice in the current driver drives vehicle.In order to make the driver can carry out the selection of best traffic route, generally adopt at present both at home and abroad the method for GPS independent navigation to realize navigation to vehicle, this method is by means of the positioning function of GPS, provide jumbo memory device at onboard system, under the help of peripheral hardwares such as high performance computing equipment and CD drive, and, can make in-vehicle navigation apparatus store map by using complicated input method, and calculate guidance path, thereby realize navigation purpose to vehicle; The renewal of map and replenish and then to need to finish by forms such as purchase data CDs.For this reason, adopt the method for GPS independent navigation to carry out the selection of best route, mainly there is following deficiency, the one, the price height of onboard system, owing to store map and the needs that calculate guidance path, onboard system need dispose jumbo memory device, high performance computing equipment and be used for peripheral hardwares such as CD drive that map is upgraded, replenishes, cause the cost height of equipment, price in the market is about about 10,000 yuan, thereby has influenced the enthusiasm of this equipment of vehicle configuration; The 2nd, there is limitation in guidance path, because its equipment of onboard system of this method itself can't be stored a large amount of maps, generally can only store the map in city, place, the effect of its navigation is also only in the city, place, and exactly for a driver its city, place since often walking often do not need navigation, what need navigation is its path of seldom walking, and the limitation of this guidance path often makes the navigation vehicle loading system perform practically no function, thereby has reduced the enthusiasm that the driver uses; The 3rd, its result optimal path not necessarily for long-range navigation, its equipment of onboard system just because of this method itself can't be stored a large amount of maps, when vehicle need go on a long journey and navigate, onboard system can't be unified overall treatment to round voyage, its navigation procedure can only carry out in segmentation, and the navigation the result often every section may reach navigation function preferably, yet overall process but differs and reaches best guidance path surely, and cause the numerous and diverse of navigation procedure, repeatedly start CD as need and carry out input of different highway sections map etc.; The 4th, map upgrades untimely, the navigation rationality is difficult to guarantee, because present avenue or the construction of traffic highway net is with rapid changepl. never-ending changes and improvements, different variations is often promptly arranged after a period of time, and for the navigation vehicle loading system, the cartographic information of being stored might not access timely and upgrade, particularly Cun Chu map is upgraded by CD or CF card, we know that CD or CF card are because its issue cycle is long, can't reclaim, reasons such as the cost of raw material, the renewal of map often some months in addition the longer time just carry out once, and the old map of this use navigates, and obviously can't guarantee the rationality of navigating; The 5th, the cost height that map upgrades and replenishes, one side is owing to avenue or the construction of traffic highway net makes rapid progress, cause map need carry out frequent renewal and additional, can guarantee the correctness of guidance path, and frequent renewal and replenish the use cost of onboard system is increased greatly, on the other hand, grow the driver of distance driving for going out occasionally, only once need to buy the map of respective stretch because of driving, both caused waste, the use cost of onboard system is risen.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of guidance path accurately reasonable, what in-vehicle navigation apparatus was with low cost realizes the method that vehicle network navigates based on GPS and GPRS.
The technical solution adopted for the present invention to solve the technical problems is: store abundant map resource by setting up one, possess and quick computing power is arranged and the navigation center that is connected with gprs system can be provided, but in the in-vehicle navigation apparatus that is equipped with GPS module and displayed map, broadcast voice, add the GPRS module, mutual through GPRS network, in-vehicle navigation apparatus upgrades this locality of storage map commonly used by GPRS network request navigation center and replenishes, or issues other local map as required; Navigation center generates and sends various navigation elements to in-vehicle navigation apparatus by GPRS network according to the in-vehicle navigation apparatus requirement, and in-vehicle navigation apparatus carries out automobile navigation according to these navigation elements.
Described storage map resource be navigation center with the universal PC server as navigation server with national map, each big city and in, the small city map unifies to collect, storage, and upgrade in time according to the real road situation of change at any time.
Described broadcast voice are the speech chip of in-vehicle navigation apparatus with its embedding, point out the travel direction of human pilot with the form of broadcasting voice at each crossing.
Described displayed map is to utilize the LCD display of in-vehicle navigation apparatus outfit and by the picture and text software for display, demonstrate near the map of current location, the path of best navigation and the current location of being exported in the per second mode by the GPS module.
Optimal path between described best guidance path in-vehicle navigation apparatus is required by the powerful navigation server of processing power that navigation center was equipped with any 2 calculates and obtains, and sends to in-vehicle navigation apparatus by GPRS network.
Described optimal path comprises the fastest path in the shortest path of stroke distances, journey time, the minimum path of highway section way station charge accumulated value on the way.
Described navigation elements comprises that the navigation summary is described, vector path is described and grating map is described.
It is with brief language that described navigation summary is described, and the road that the navigation overall process will be passed through is done the generality description, makes the driver to guidance path impression substantially be arranged.
It is that all crossings that guidance path is comprised and turning round a little are described in detail that described vector path is described, and year navigator of buying car in installments carries out departing from when travel direction voice suggestion and travel route depart from voice suggestion near the crossing time.
It is when guidance path includes the map that in-vehicle navigation apparatus itself do not have to store that described grating map is described, navigation center's navigation server is to the grating map information that in-vehicle navigation apparatus send to need replenishes as required, the demonstration when carrying the actual navigation of navigator of buying car in installments.
The invention has the beneficial effects as follows, because employing is set up one and is stored abundant map resource, possessing has quick computing power and can provide the navigation center that is connected with gprs system as total base station, but and be equipped with GPS module and displayed map, add the GPRS module in the in-vehicle navigation apparatus of broadcast voice, get online without being tethered to a cable and permanent online power by GPRS network, realize the network interaction of navigation center and in-vehicle navigation apparatus, can reduce the in-vehicle navigation apparatus hardware requirement significantly, do not need the mass-memory unit that disposes as independent navigation, high-performance calculation equipment, peripheral hardwares such as complicated input method and CD drive, greatly reduce cost, the cost of in-vehicle navigation apparatus can be reduced to about 3000 yuan by 10,000 yuan; By GPRS network the abundant map resource that navigation center stores is sent to in-vehicle navigation apparatus at any time simultaneously, the map datum of in-vehicle navigation apparatus is in time upgraded and replenishes, to guarantee that each navigation all is the up-to-date map data, improve the accuracy of navigation, and reduce map significantly and upgrade and supplementary cost, save the expense of buying CD or CF card; And owing to employing possesses the navigation center that quick computing power is arranged best guidance path is calculated, and result of calculation is transferred to in-vehicle navigation apparatus by GPRS network, can realize unified overall treatment, avoid segmentation to calculate the navigation error in total highway section of being brought the system-wide section; Reached the accurately reasonable of guidance path, the purpose with low cost of in-vehicle navigation apparatus.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further detail; But the method based on GPS and the navigation of GPRS realization vehicle network of the present invention is not limited to embodiment.
Fig. 1 is a schematic diagram of the present invention;
Fig. 2 is an embodiment of the invention guidance path synoptic diagram.
Embodiment
Shown in accompanying drawing, method based on GPS and the navigation of GPRS realization vehicle network of the present invention, be to store abundant map resource by setting up one, possess and quick computing power is arranged and the navigation center 1 that is connected with gprs system can be provided, navigation center 1 includes equipment such as navigation server and navigation seat, navigation server is connected with GPRS operator (for example China Mobile) by the DDN special line, and connection protocol is TCP/IP; But in the in-vehicle navigation apparatus 2 that is equipped with GPS module 23 and displayed map, broadcast voice, add GPRS module 22, mutual through GPRS network 3, in-vehicle navigation apparatus 2 is asked this locality map commonly used of 1 pair of storage of navigation center to upgrade by GPRS network 3 and is replenished, or issues local map as required; During vehicle request navigation, navigation center 1 is sent to GPRS network 3 with data by DDN, is sent in the in-vehicle navigation apparatus 2 that is equipped with GPRS module 22 by the base station again; In-vehicle navigation apparatus 2 receives the navigation data that navigation center 1 sends by GPRS module 22 from GPRS network 3, can send request by GPRS network 3 navigation centers 1 equally; Navigation center 1 generates and sends various navigation elements to in-vehicle navigation apparatus 2 by GPRS network 3 according to in-vehicle navigation apparatus 2 requirements, and in-vehicle navigation apparatus 2 carries out automobile navigation according to these navigation elements.
Wherein store map resource and be navigation center 1 with the universal PC server as navigation server with national map, each big city and in, the small city map unifies to collect, storage, and upgrade in time according to the real road situation of change at any time.Playing voice process is the speech chip 24 of in-vehicle navigation apparatus 2 with its embedding, points out the travel direction of human pilot with the form of broadcasting voice at each crossing.And the displayed map process is to utilize LCD display 21 that in-vehicle navigation apparatus 2 is equipped with and by the picture and text software for display, demonstrate near the map of current location, the path of best navigation and the current location of being exported in the per second mode by GPS module 23, GPS module 23 is to receive to come from the locating information that gps satellite positioning system 4 provides.The best guidance path of driving is selected, and to be the powerful navigation server of the processing power of utilizing it to be equipped with by navigation center 1 require in-vehicle navigation apparatus 2 between any 2 optimal path calculates and obtain, and sends to in-vehicle navigation apparatus 2 by GPRS network 3; Optimal path can be the shortest path of stroke distances, or the fastest path of journey time, or the path that highway section way station charge accumulated value is minimum on the way etc.Comprised that in the navigation elements that navigation center 1 generates and sends the navigation summary is described, vector path is described and grating map is described, it is with brief language that the navigation summary is described, the road that the navigation overall process will be passed through is done the generality description, make the driver impression substantially be arranged guidance path; It is that all crossings that guidance path is comprised and turning round a little are described in detail that vector path is described, and year navigator 2 of buying car in installments carries out departing from when travel direction voice suggestion and travel route depart from voice suggestion near the crossing time; It is when guidance path includes the map that in-vehicle navigation apparatus 2 itself do not have to store that grating map is described, navigation center's 1 navigation server sends to in-vehicle navigation apparatus 2 as required needs additional grating map information, buys car in installments to show when carrying navigator 2 reality navigation.
Referring to shown in Figure 2, specify a car below and sail for the navigation procedure of city B by city A, be exactly specifically starting point X by city A by way of one section zone the terminal point Y to city B.This stroke has comprised three map area: i.e. (C region within the jurisdiction, city) between city A, city B and two cities; For traditional independent navigation, because can't be at a large amount of maps of mobile unit storage itself, generally can only store the place city map, that is the map of city A, and the map between city B map and two cities (may be national map or certain province's map) needs to buy in addition CD or CF card data information.Even bought required information, because memory capacity is limit, mobile unit can't be unified overall treatment to this three classes map.Like this, above-mentioned navigation can only be carried out in segmentation, that is: in the A map of city, navigate to outlet X0 earlier, in national map (or economizing figure), navigate to inlet Y0 again, in the B map of city, navigate to terminal point Y at last by inlet Y0 by outlet X0 by starting point X.Owing to need repeatedly change map, navigation procedure is very miscellaneous, the guidance path that particularly is divided into three sections might not be an optimal path, for example on earth should be in the city A navigation by starting point X to which exit point (X0, X1 or X2) by driver's artificial judgment, it is not very familiar to condition of road surface exactly that the driver need navigate, there is very big unreliability in this judgement, and the path that might select is not an optimal path.
In-vehicle navigation apparatus 2 also can only be stored the map of city, place A among the present invention, if the driver wants the terminal point Y of to B, owing to store all maps in the navigation center 1 and with the seamless processing of all maps, can real best guidance path of comprehensive selection, again near map (square frame part among the figure) all intersection informations (★ sign among the figure) and the required guidance path is issued to mobile unit, just can finishes once the real strange land navigation that links up.
Its concrete treatment scheme is: human pilot is dialed navigation Service center 1 phone, quote the terminal point Y of city, destination B, navigation center 1 calculates best guidance path (seeing diagram) automatically according to in-vehicle navigation apparatus 2 automated provisioning current location X and terminal point Y, issue three class navigation elements then one by one: (1) navigation summary, for example " the Fuzhou-Xiamen highway arrives railway station, Foochow through Second Ring Road again on the bridge of Xiamen "; (2) vector navigation is issued to mobile unit with all intersection informations (★ sign among the figure) and the point that turns round (needs when judgement departs from) information, and vehicle is through before each crossing, and in-vehicle navigation apparatus all can voice suggestion " XX rice crossing, the place ahead asks a left side/right side/craspedodrome ".(3) cartographic information, this category information sends as required, for example the map of city A need not issue, sail out of city A after, issue near the map of travel by the width of cloth, until terminal point, when reaching home smoothly, prompting " the place ahead XX arrives this navigation terminal point XXXX, and this end of navigating be thanks ".
Because the present invention is equipped with GPS locating module and GPRS communication module in in-vehicle navigation apparatus, this implementation method has extremely strong extendability, except that navigation feature, can realize that vehicle location monitoring, the anti-misfortune/burglar alarm of vehicle, vehicle scheduling etc. are all multi-functional.
Claims (9)
1. method that realizes the vehicle network navigation based on GPS and GPRS, it is characterized in that: store abundant map resource by setting up one, possess and quick computing power is arranged and the navigation center that is connected with gprs system can be provided, but in the in-vehicle navigation apparatus that is equipped with GPS module and displayed map, broadcast voice, add the GPRS module, mutual through GPRS network, in-vehicle navigation apparatus upgrades this locality of storage map commonly used by GPRS network request navigation center and replenishes, or issues other local map as required; Navigation center generates and sends various navigation elements to in-vehicle navigation apparatus by GPRS network according to the in-vehicle navigation apparatus requirement, and in-vehicle navigation apparatus carries out automobile navigation according to these navigation elements.
2. the method based on GPS and the navigation of GPRS realization vehicle network according to claim 1, it is characterized in that: described storage map resource be navigation center with the universal PC server as navigation server with national map, each big city and in, the small city map unifies to collect, storage, and upgrade in time according to the real road situation of change at any time.
3. the method based on GPS and the navigation of GPRS realization vehicle network according to claim 1, it is characterized in that: described broadcast voice are the speech chip of in-vehicle navigation apparatus with its embedding, point out the travel direction of human pilot with the form of broadcasting voice at each crossing.
4. the method based on GPS and the navigation of GPRS realization vehicle network according to claim 1, it is characterized in that: described displayed map is to utilize the LCD display of in-vehicle navigation apparatus outfit and by the picture and text software for display, demonstrate near the map of current location, the path of best navigation and the current location of being exported in the per second mode by the GPS module.
5. the method based on GPS and the navigation of GPRS realization vehicle network according to claim 1, it is characterized in that: the optimal path between described best guidance path in-vehicle navigation apparatus is required by the powerful navigation server of processing power that navigation center was equipped with any 2 calculates and obtains, and sends to in-vehicle navigation apparatus by GPRS network.
6. realize the method for vehicle network navigation according to claim 1 or 5 based on GPS and GPRS, it is characterized in that: described optimal path comprises the fastest path in the shortest path of stroke distances, journey time, the minimum path of highway section way station charge accumulated value on the way.
7. the method based on GPS and the navigation of GPRS realization vehicle network according to claim 1 is characterized in that: described navigation elements comprises that the navigation summary is described, vector path is described and the grating map description.
8. according to claim 1 or 7 described methods based on GPS and the navigation of GPRS realization vehicle network, it is characterized in that: it is that all crossings that guidance path is comprised and turning round a little are described in detail that described vector path is described, and year navigator of buying car in installments carries out departing from when travel direction voice suggestion and travel route depart from voice suggestion near the crossing time.
9. according to claim 1 or 7 described methods based on GPS and the navigation of GPRS realization vehicle network, it is characterized in that: it is when guidance path includes the map that in-vehicle navigation apparatus itself do not have to store that described grating map is described, navigation center's navigation server is to the grating map information that in-vehicle navigation apparatus send to need replenishes as required, the demonstration when carrying the actual navigation of navigator of buying car in installments.
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Cited By (17)
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| CN100437141C (en) * | 2005-03-29 | 2008-11-26 | 广东瑞图万方科技有限公司 | Vehicle mounted navigation monitoring system and method |
| CN100461231C (en) * | 2006-09-28 | 2009-02-11 | 北京航空航天大学 | GNSS/GIS/GPRS-based comprehensive traffic navigation educational apparatus |
| CN101093168B (en) * | 2006-06-21 | 2010-08-25 | 北京腾瑞万里信息技术有限公司 | Navigation system, and navigation method |
| CN1940480B (en) * | 2005-09-29 | 2010-11-10 | 上海乐金广电电子有限公司 | Hazardous area guiding method for location system |
| CN101098543B (en) * | 2006-06-28 | 2011-05-25 | 北京华旗资讯数码科技有限公司 | Navigator for small area navigation |
| CN101162149B (en) * | 2006-11-30 | 2011-10-26 | 厦门雅迅网络股份有限公司 | Method for realizing remote map guidance data rapid renewing of networking vehicle mounted guidance terminal |
| CN102322870A (en) * | 2011-08-26 | 2012-01-18 | 深圳市索菱实业股份有限公司 | Automobile navigation device |
| CN101471946B (en) * | 2007-12-25 | 2012-05-09 | 厦门雅迅网络股份有限公司 | Method for implementing fixed point multimedia advertisement play through GPS orientation and GPRS network |
| CN1787034B (en) * | 2004-12-09 | 2012-05-30 | Lg电子株式会社 | Providing navigation information based on a navigation state |
| CN102967314A (en) * | 2012-11-15 | 2013-03-13 | 广东翼卡车联网服务有限公司 | Method and device for updating vehicle navigation system |
| CN101876549B (en) * | 2010-01-25 | 2013-04-10 | 青岛海信移动通信技术股份有限公司 | Method and mobile terminal for navigating by geographical positions |
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| CN100437141C (en) * | 2005-03-29 | 2008-11-26 | 广东瑞图万方科技有限公司 | Vehicle mounted navigation monitoring system and method |
| CN1940480B (en) * | 2005-09-29 | 2010-11-10 | 上海乐金广电电子有限公司 | Hazardous area guiding method for location system |
| CN101093168B (en) * | 2006-06-21 | 2010-08-25 | 北京腾瑞万里信息技术有限公司 | Navigation system, and navigation method |
| CN101098543B (en) * | 2006-06-28 | 2011-05-25 | 北京华旗资讯数码科技有限公司 | Navigator for small area navigation |
| CN101558406B (en) * | 2006-07-25 | 2016-09-21 | 罗伯特.博世有限公司 | The update method of data base, especially navigational route database |
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| CN102322870A (en) * | 2011-08-26 | 2012-01-18 | 深圳市索菱实业股份有限公司 | Automobile navigation device |
| CN104396285B (en) * | 2012-11-14 | 2018-03-27 | Sk电信有限公司 | Method, system and the terminal of cartographic information are provided |
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