CN102121830A - Navigation method, terminal and system - Google Patents
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Abstract
The invention provides a navigation method, terminal and system. The navigation method comprises the following steps of: pre-storing one or more map modules in a local map; acquiring a starting address and a destination address; and judging whether the local map can provide a navigation route from the starting address to the destination address, if so, starting local navigation, or starting network navigation. By virtue of the navigation method, terminal and system provided by the invention, the local navigation or the network navigation can be selected according to practical application when a navigation service is provided for a client, thereby the local map is fully utilized, the network downloading flow is reduced, and the user cost is saved.
Description
Technical field
The application relates to communication technical field, relates in particular to a kind of air navigation aid, navigation terminal and navigational system.
Background technology
Along with the continuous expansion of city size, scope of activities also constantly enlarges thereupon, and the application of navigator is also increasingly extensive.Existing navigate mode mainly comprises local navigation and network navigation.
Local navigation is meant all map datums (the map datum for example whole nation or the whole world) is downloaded in the local map of navigation terminal once, the navigation terminal local map datum that places one's entire reliance upon carries out the inquiry of starting point, destination node, calculate navigation way by routing algorithm, combining global positioning system (GPS) obtains current location, realizes navigation feature.
Local navigate mode has the following disadvantages:
1. owing to need all map datums are downloaded and installed in the local map, therefore need very expensive mandate expense.And the user in actual use, often only can use the wherein map datum in several cities, so user cost is very high.
2. owing to the development of map datum along with the city, also changing fast, but because in the local navigate mode, map datum is to download and be installed in the navigator in advance, its map datum is difficult to obtain effective real-time update, thereby also is difficult to be the real-time navigation information of providing of user.
Network navigation is meant all map datums and routing algorithm all is placed on the network navigation server, user terminal only navigation server sends navigation requests, and navigation server returns navigation path planning data and guidance path map datum according to user's request.Wherein, the navigation path planning data comprise supplementary required in the navigation, and the guidance path map datum comprises the map datum that needs usefulness in the navigation procedure.Navigation server returns to navigation terminal with navigation path planning data and guidance path map datum, obtains the current location of navigation terminal again in conjunction with GPS, thereby realizes navigation feature.
The network navigation mode has the following disadvantages:
1. because network navigation needs the dependency network navigation server to finish navigation, so do not having to realize navigation feature under the situation of network signal.
2. under the poor situation of network signal, can find starting point and terminal point, and initiate navigation, yet when the user was switched route fast, because network signal is relatively poor, navigation way was difficult in time obtain upgrade, thereby reduced the user experience of navigation.
3. connect owing to each navigation all needs to adopt network, and will constantly receive navigation information from the network navigation server in navigation procedure, the network traffics of generation are very big, and customer using cost is than higher.
Summary of the invention
The application's purpose provides a kind of air navigation aid, navigation terminal and the navigational system that can partly improve above-mentioned defective of the prior art at least.
The application's a aspect discloses a kind of air navigation aid, and described method comprises: one or more ground module prestores in local map; Obtain IP address and end address; Can judgement provide from the reach home guidance path of address of IP address by local map, if can, then start local navigation; Otherwise, start network navigation
Another aspect of the application discloses a kind of navigation terminal, and described navigation terminal comprises: local map data base, and one or more ground module wherein prestores; Navigation module obtains IP address and end address; Judge module, can judgement provide from the reach home guidance path of address of IP address by local map, if can, then indicate navigation module to start local navigation; Otherwise the indication navigation module starts network navigation.
Another aspect of the application discloses a kind of navigational system, and described system comprises navigation terminal, map server, and the network navigation server stores a plurality of ground module in the described map server; Described navigation terminal further comprises local map data base, downloads and store one or more ground module from described map server in advance; Navigation module obtains IP address and end address; Judge module, can judgement provide from the reach home guidance path of address of IP address by local map, if can, then indicate navigation module to start local navigation; Otherwise the indication navigation module starts network navigation, when navigation module receives the local indication of navigating of startup from judge module after, provides local navigation Service by navigation module for navigation terminal; Receive the indication of startup network navigation from judge module when navigation module after, send navigation requests, provide the network navigation service for navigation terminal by the network navigation server to described network navigation server.
The user need not to download all map datums, and only need select to download one or more ground module, thereby has reduced the mandate expense of downloading map effectively.The user need not supplementary payments traffic fee usefulness when using local navigation, and navigation service faster can be provided.Not having to provide the mode of network navigation under the situation of map, effectively remedied the problem that when map datum lacks, can't navigate.
Description of drawings
Fig. 1 has shown the synoptic diagram according to the application's navigational system.
Fig. 2 has shown the synoptic diagram according to the application's air navigation aid.
Fig. 3 has shown the synoptic diagram according to the air navigation aid of the application's a embodiment.
Fig. 4 has shown the synoptic diagram according to the city map of the concrete application of the application's air navigation aid.
Embodiment
With reference to the accompanying drawings the disclosed air navigation aid of the application, navigation terminal and navigational system are elaborated.For simplicity's sake, in the explanation of each embodiment of the application, identical or similar device has used same or analogous Reference numeral.
The application provides a kind of air navigation aid, can judge that according to this air navigation aid should carry out local navigation still is network navigation, has made full use of local map, has reduced the network download flow, has saved user cost.In addition, the application also provides a kind of navigation terminal and navigational system.For the ease of understanding, will describe navigational system and navigation terminal at first in conjunction with the accompanying drawings below according to the application, then the air navigation aid according to the application is described.
Fig. 1 shows the synoptic diagram according to the application's navigational system.As shown in Figure 1, the navigational system 100 according to the application comprises navigation terminal 110, network navigation server 120, map server 130.
Store map datum in the map server 130.According to the application, map datum will be stored in the map server according to the mode of ground module.Wherein, the ground module is meant carries out Module Division with map datum according to predefined zone, that is, each regional map is corresponding to a ground module.According to a kind of embodiment, can realize the Module Division of map datum according to the division of administrative region.For example, can carry out Module Division, that is, national map is divided into ground, Beijing module, ground, Tianjin module, ground, Shanghai City module etc. according to the city.In addition, be appreciated that concrete Module Division mode can select according to the applicable cases of reality, and be not limited to the dividing mode of administrative region.
For navigation Service is provided, can connects map server 130 and from map server 130, download and install one or more ground module in advance by network according to the application's navigation terminal 110.When the user indicates navigation terminal 110 that navigation Service is provided, can navigation terminal 110 can be judged provide navigation Service by the ground module that download this locality for the user, when the ground module of downloading when this locality can provide navigation Service for the user, navigation terminal 110 will start local navigation.Otherwise when the ground module of downloading when this locality is not enough to provide navigation Service for the user, navigation terminal 110 will connect network navigation server 120 and start network navigation, can be from network navigation server 120 download navigation path planning data.
According to an embodiment, can further include authentication and accounting server 140 according to the application's navigational system, as shown in Figure 1.Authentication and accounting server 140 can for ground module downloading service and the network navigation service provides network authentication and the service of chargeing.
For example, when the user indicates navigation terminal 110 to download one or more ground module, navigation terminal will send ground module download request to map server 130.Map server 130 receives notification authentication accounting server after the download request, and 140 couples of users carry out network authentication by the authentication and accounting server.If network authentication success, authentication and accounting server 140 will indicate map server 130 can provide the ground module to download, and downloading service is chargeed.This locality is downloaded and stored into to navigation terminal with the ground module of being asked subsequently.If network authentication can not be successful, authentication and accounting server 140 will notify map server 130 authentification failures, and the network navigation service can't be provided.
In addition, when needs started network navigation, authentication and accounting server 140 can provide network authentication and the service of chargeing for the network navigation service.After receiving the navigation requests that navigation terminal sends, network navigation server 120, the user is carried out network authentication by the authentication and accounting server with notification authentication accounting server 140.If the network authentication success, authentication and accounting server 140 provides the network navigation service with indication network navigation server 120 for navigation terminal, and to this network navigation service charging.If network authentication can not be successful, authentication and accounting server 140 can't provide the network navigation service with informing network navigation server 120 authentification failures.
Be appreciated that by the performed concrete network authentication of authentication and accounting server 140 similarly to prior art, do not specifically describe at this with charging process.
To the navigation terminal 110 according to the application be specifically described below.
For realizing local navigation, one or more ground module will be downloaded and store to local map data base 111 in advance from map server 130.
When the needs navigation Service, the user is by navigation module 112 input IP address and end addresses.Can judge module 113 is judged provide from the reach home guidance path of address of IP address by local map data base 111, if can, then indicate navigation module 112 to start local navigation; Otherwise indication navigation module 112 starts network navigation.Receive the indication of the local navigation of startup from judge module 113 when navigation module 112 after, provide local navigation Service for navigation terminal 110 by navigation module 112.Receive the indication of startup network navigation from judge module when navigation module 112 after, navigation module 112 will send navigation requests to network navigation server 120, provide the network navigation service by network navigation server 120 for navigation terminal 110.
According to a kind of embodiment, judge module 113 judges whether IP address and end address all belong to local map and belong to same ground module, if think that then local map can provide guidance path, and the indication navigation module starts local navigation; Otherwise the indication navigation module starts network navigation.
According to another kind of embodiment, judge module 113 can judge whether IP address and end address all belong to local map and belong to same ground module.If IP address and end address all belong to local map and belong to same ground module, think that then local map can provide guidance path, and indication navigation module 112 starts local navigation.
If at least one in IP address and the end address do not belong to local map, then judge module 113 indication navigation modules 112 start network navigation.
Do not belong to same ground module if IP address and end address all belong to local map, then judge module 113 indication navigation modules 112 connect the network navigation server, and the informing network navigation server calculates guidance path.In the present embodiment, at this moment, navigation module is directly from network navigation downloaded guidance path map datum, but at first from network navigation downloaded navigation path planning data.Wherein, the navigation path planning data comprise that can indicate in this guidance path will be through the information of which ground module.Judge module 113 by the navigation path planning data analysis guidance path of downloading required by way of the ground module, judge required by way of the ground module whether all be stored in the local map, if then indicate navigation module to start local the navigation; Otherwise the indication navigation module starts network navigation.Be appreciated that, because the data volume of guidance path map datum is far longer than the data volume of navigation path planning data, by the way, all belong to local map when IP address and end address but do not belong to same ground module, navigation terminal 110 can't be directly from network navigation downloaded guidance path map datum, but at first from network navigation downloaded navigation path planning data, and judge whether to finish local navigation according to the navigation path planning data, be to carry out local navigation or network navigation with decision.Like this, can make full use of the local ground module of downloading and provide service, reduce the traffic fee usefulness in the network navigation, for the user provides good service for the user.
In addition, when IP address and end address all belong to local map and do not belong to same ground module, and when connecting the network navigation server failure, judge module 113 can also further judge whether exist in the local map from the reach home UNICOM path of address of IP address, have the UNICOM path in the subscriber's local map but this UNICOM path may be non-optimal path if exist then point out, the user can determine whether select to start local navigation under the situation that can't connect network.
More than describe navigation terminal and navigational system in detail according to the application.Be elaborated below in conjunction with the air navigation aid of accompanying drawing to the application.
Fig. 2 has shown the synoptic diagram according to the application's air navigation aid.
According to an embodiment, can judgement provide from the reach home mode of guidance path of address of IP address by local map: if IP address and end address all belong to local map and belong to same ground module, then judging to provide from the reach home guidance path of address of IP address by local map, starts local navigation; Otherwise judgement can not provide from the reach home guidance path of address of IP address by local map, starts network navigation.
According to another embodiment, can judgement provide from the reach home mode of guidance path of address of IP address by local map: if at least one IP address and the end address do not belong to local map, then judging to provide from the reach home guidance path of address of IP address by local map, starts network navigation; If IP address and end address all belong to local map and belong to same ground module, then judging to provide from the reach home guidance path of address of IP address by local map, starts local navigation; If all belonging to local map, IP address and end address do not belong to same ground module, then connect network, and from network download navigation path planning data, according to the navigation path planning data judge guidance path required by way of the ground module whether all be stored in the local map, if, then judging to provide from the reach home guidance path of address of IP address by local map, starts local navigation; Otherwise judgement can not provide from the reach home guidance path of address of IP address by local map, starts network navigation.
Further, if IP address and end address all belong to local map and do not belong to same ground module, and when connecting network failure, judge whether exist in the local map from the reach home UNICOM path of address of IP address, there is the UNICOM path in the subscriber's local map but this UNICOM path may be not preferred path if exist then point out, so that select whether to carry out local navigation by the user.
Fig. 3 has shown the synoptic diagram according to the air navigation aid of the application's a embodiment.
Step 301, the user initiates navigation requests by navigation terminal input IP address and end address;
Step 302 is judged IP address whether in local map, if not enter step 311 and start network navigation, otherwise enter step 303;
Step 303 is judged end address whether in local map, if not enter step 311 and start network navigation, otherwise enter step 304;
Step 304 is judged IP address and end address whether in the same ground of local map module, if in same ground module then enter step 310 and start local navigation, otherwise enters step 305;
Step 305 judges whether terminal connects network, if connect network, then enters step 306, if do not connect network then enter step 308;
Step 306 is obtained the navigation path planning data by network, and wherein, the navigation path planning data comprise can indicate the information that will pass through which ground module in this guidance path;
Step 307, analyze guidance path required by way of the ground module, judge required by way of the ground module whether all be stored in the local map, start local navigation if then enter step 310, start the networking and navigate otherwise enter step 311;
Step 308 is judged the UNICOM path that whether exists in the local map between IP address and the end address, if the UNICOM path is arranged then enter step 309, if do not have the UNICOM path, then points out the user can't realize navigation;
Step 309, local map has the UNICOM path, but owing to lack segment map, can't confirm whether be preferred path, the prompting user may not be a preferred path, and the user can select whether to accept local navigation, if accept then start this locality to navigate, otherwise finish navigation;
Step 310 starts local navigation;
Step 311 starts the networking navigation.
Air navigation aid according to the application can be stored local map datum in advance in this locality, and can judge that can the local map datum that be stored in navigation terminal provide local navigation for the user according to start address and end address that the user imported, if can provide local navigation for the user, then provide guidance path for the user by this locality navigation; Otherwise navigation terminal will connect network, and provide guidance path by network navigation for the user.Like this, the user need not to download all maps, and can select to download one or more relative ground module, thereby has reduced the mandate expense of downloading map effectively.In addition,, can make full use of local map and provide local navigation Service, and network navigation can be provided in the time can't realizing local navigation for the user by effective deterministic process.Improve navigation efficient, reduced network traffics institute generation expense.
Illustrate how to provide navigation Service below with reference to Fig. 4 and in conjunction with several concrete application by air navigation aid according to the application.Wherein, Fig. 4 has shown a city signal map.To carry out Module Division according to the city to map datum in following described concrete application, that is, the map datum of city first, second, third, fourth belongs to different ground module respectively.
In the work of city first, and often need go to city second and city third to go on business when supposing that user A is flat.At this moment, user A can be downloaded to the map datum in first, city, city second and city third the local map data base of navigation terminal respectively as first, second and the 3rd ground module.
Use 1: user A need arrive another ground of city first from first somewhere, city.At this moment, user A at first by navigation terminal input IP address " first somewhere, city " and end address " another ground of city first ", initiates navigation requests.Subsequently, navigation terminal is judged this IP address and end address all in the body of a map or chart of this locality, and belongs to same ground module.At this moment, navigation module starts local navigation.
Use 2: user A need arrive the city fourth from the city first.At this moment, user A at first by navigation terminal input IP address " first somewhere, city " and end address " fourth somewhere, city ", initiates navigation requests.Subsequently, navigation terminal is judged this IP address in the body of a map or chart of this locality, but this end address is not in the body of a map or chart of this locality.At this moment, navigation terminal starts network navigation.
Use 3: user A need arrive city third from the city first.At this moment, user A is at first by navigation terminal input IP address " first somewhere, city " and end address " third somewhere, city ", and the initiation navigation requests.Subsequently, navigation terminal is judged this IP address and end address all in the body of a map or chart of this locality, and belongs to different ground module.At this moment, though IP address and end address all in the body of a map or chart of this locality because IP address belongs to different ground module with end address, navigation terminal will judge whether to connect network.
According to a kind of embodiment, if can connect network, navigation terminal will ask the network navigation server to send the navigation path planning data.For example, when the navigation path planning data that receive have indicated guidance path to be: at first arrive the city fourth, arrive city the third from the city fourth again, show that then guidance path will be by way of first, the third, three cities of fourth from the city first.Navigation terminal will further be judged the ground module of not storing the city fourth in the local map.At this moment, navigation terminal starts network navigation.
According to a kind of embodiment, if can not connect network, then navigation terminal further judges in local map whether have the UNICOM path between the end address and IP address.For example, in should using, according to local map, there is the UNICOM path third from the city first to the city: city first one city second--city third.Then there is guidance path in navigation terminal indication user, but can't confirms whether this path is preferred path, and inquires whether the user accepts current navigation, if receive, then starts local navigation, otherwise the end navigation.
Abovely be described with reference to the exemplary embodiment of accompanying drawing to the application.Those skilled in the art should understand that; above-mentioned embodiment only is for illustrative purposes and the example of being lifted; rather than be used for limiting; all in the application instruction and the claim protection domain under done any modification, be equal to replacement etc., all should be included in the claimed scope of the application.
Claims (10)
1. an air navigation aid is characterized in that, described method comprises:
One or more ground module prestores in local map;
Obtain IP address and end address;
Can judgement provide from the reach home guidance path of address of IP address by local map, if can, then start local navigation; Otherwise, start network navigation.
2. air navigation aid according to claim 1, wherein, described determining step comprises:
If IP address and end address all belong to local map and belong to same ground module, then start local navigation; Otherwise, start network navigation.
3. air navigation aid according to claim 1, wherein, described determining step comprises:
If at least one in IP address and the end address do not belong to local map, then start network navigation;
If IP address and end address all belong to local map and belong to same ground module, then start local navigation;
If all belonging to local map, IP address and end address do not belong to same ground module, then connect network, and from network download navigation path planning data, according to the navigation path planning data obtain guidance path required by way of the ground module whether all be stored in the local map, if then start local navigation; Otherwise, start network navigation.
4. air navigation aid according to claim 3, wherein, if IP address and end address all belong to local map and do not belong to same ground module, and when connecting network failure, judge whether exist in the local map, have the UNICOM path in the subscriber's local map but this UNICOM path may be not preferred path if exist then point out from the reach home UNICOM path of address of IP address.
5. a navigation terminal is characterized in that, described navigation terminal comprises:
Local map data base, one or more ground module wherein prestores;
Navigation module obtains IP address and end address;
Judge module, can judgement provide from the reach home guidance path of address of IP address by local map, if can, then indicate navigation module to start local navigation; Otherwise the indication navigation module starts network navigation.
6. navigation terminal according to claim 5, wherein, described judge module is configured to judge whether IP address and end address all belong to local map and belong to same ground module, if then indicate navigation module to start local navigation; Otherwise the indication navigation module starts network navigation.
7. navigation terminal according to claim 5, wherein, described judge module is configured to judge whether IP address and end address all belong to local map and belong to same ground module, if IP address and end address all belong to local map and belong to same ground module, then indicate navigation module to start local navigation;
If at least one in IP address and the end address do not belong to local map, then indicate navigation module to start network navigation;
If all belonging to local map, IP address and end address do not belong to same ground module, then indicate navigation module to connect network and from network download navigation path planning data, described judge module according to the navigation path planning data of downloading judge guidance path required by way of the ground module whether all be stored in the local map, if then indicate navigation module to start local navigation; Otherwise the indication navigation module starts network navigation.
8. the navigation terminal of stating according to claim 7, wherein, described judge module be further configured into
When IP address and end address all belong to local map and do not belong to same ground module, and when connecting network failure, judge whether exist in the local map, have the UNICOM path in the subscriber's local map but this UNICOM path may be not preferred path if exist then point out from the reach home UNICOM path of address of IP address.
9. a navigational system is characterized in that, described system comprises navigation terminal, map server, and the network navigation server,
Store a plurality of ground module in the described map server;
Described navigation terminal further comprises: local map data base, from described map server, download and store one or more ground module in advance; Navigation module obtains IP address and end address; Judge module, can judgement provide from the reach home guidance path of address of IP address by local map, if can, then indicate navigation module to start local navigation; Otherwise the indication navigation module starts network navigation,
Receive the indication of the local navigation of startup from judge module when navigation module after, provide local navigation Service for navigation terminal by navigation module; Receive the indication of startup network navigation from judge module when navigation module after, send navigation requests, provide the network navigation service for navigation terminal by the network navigation server to described network navigation server.
10. navigational system according to claim 9 is characterized in that described system further comprises the authentication and accounting server, and described authentication and accounting server can provide network authentication and charging service for the download and the network navigation service of ground module.
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| CN2010100005219A CN102121830A (en) | 2010-01-11 | 2010-01-11 | Navigation method, terminal and system |
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| CN104236544A (en) * | 2014-10-10 | 2014-12-24 | 深圳市凯立德欣软件技术有限公司 | Map data downloading method and navigation device |
| CN105180953A (en) * | 2015-08-28 | 2015-12-23 | 苏州市博得立电源科技有限公司 | Control method of vehicle navigation system based on air pressure sensing |
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| CN107016120A (en) * | 2017-04-21 | 2017-08-04 | 北京视据科技有限公司 | A kind of electronic map generating method and system based on search condition |
| CN107356259A (en) * | 2017-09-05 | 2017-11-17 | 上海博泰悦臻网络技术服务有限公司 | The navigation method and system, car-mounted terminal of a kind of changeable electronic map |
| CN113377814A (en) * | 2021-06-09 | 2021-09-10 | 北京斯年智驾科技有限公司 | Path information acquisition method and device, electronic equipment and readable medium |
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Application publication date: 20110713 |