CN104811900A - Method and system for displaying the historical track of mobile terminal under LBS positioning system - Google Patents

Abstract

The invention discloses a method for displaying the historical trajectory of a mobile terminal under an LBS positioning system, comprising: positioning the mobile terminal, generating discontinuous historical positioning points of the mobile terminal arranged in chronological order; determining the historical track of the mobile terminal Feasible and recent trajectory data between two temporally adjacent positioning points in the positioning point, according to the feasible and recent trajectory data, the feasible and recent trajectory between the two temporally adjacent positioning points are connected one by one , and display. The invention also discloses a system for displaying the historical track of the mobile terminal under the LBS positioning system.

Description

Method and system for displaying historical track of mobile terminal under LBS positioning system

technical field

The present invention relates to terminal trajectory display technology in the field of wireless communication, in particular to a method and system for displaying historical trajectory of a mobile terminal under a location service (LBS, Location Based Services) positioning system.

Background technique

In recent years, with the development of the mobile Internet, LBS applications have expanded from professional applications and vehicle applications to personal consumption applications, and location services have gradually become the main body of the geographic information industry market. As the telecom operator with the largest number of users in the world, China Mobile relies on base stations with a wide coverage area, and uses LBS positioning system in the implementation of location service applications. Therefore, how to optimize user positioning information based on LBS positioning system is particularly important.

At present, the most widely used positioning technologies in China are: Global Positioning System (GPS, Global Positioning System) and LBS positioning system; the existing China Mobile location service base has the positioning capability of the whole network base station, and the China Mobile location service base covers 337 countries nationwide There are more than 35 million points of interest (POI) in prefecture-level cities, and business application capabilities with electronic maps of nearly 3.5 million kilometers of navigation roads. The related location service application business also relies on the positioning capability of the China Mobile location service base and adopts the LBS positioning system for business operation.

The existing method of displaying the historical trajectory of a mobile terminal based on the LBS positioning system has the following defects: in actual operation, high-frequency positioning cannot be performed; from the perspective of the LBS positioning system, too high positioning frequency will bring great damage to the system. Pressure; from the perspective of mobile terminals, the positioning frequency of mobile terminals has put forward higher requirements on their own power consumption capabilities. The higher the positioning frequency, the higher the power consumption of mobile terminals. Therefore, blindly increasing the positioning frequency can effectively improve the historical trajectory theoretically. Displayed realism, but difficult to achieve in practice. Even in LBS-based location service applications, only discontinuous positioning points are mechanically connected in a straight line in chronological order. Although this method is simple, it cannot display the actual historical trajectory of the user. For example: there is actually no location between two points. The through road, so, the user experience is relatively low.

Contents of the invention

In view of this, the embodiments of the present invention provide a method and system for displaying the historical trajectory of the mobile terminal under the LBS positioning system, which can display the historical trajectory of the mobile terminal more realistically without changing the positioning frequency of the LBS positioning system.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

The embodiment of the present invention provides a method for displaying the historical trajectory of a mobile terminal under an LBS positioning system, including:

Positioning the mobile terminal, generating discontinuous historical positioning points arranged in chronological order for the mobile terminal;

Determining feasible and recent trajectory data between two time-adjacent positioning points in the historical positioning points of the mobile terminal, and calculating feasible and recent trajectory data between each time-adjacent positioning point according to the feasible and recent trajectory data. The recent tracks are connected one by one and displayed.

Further, before the positioning of the mobile terminal is performed, the method further includes:

Sending an inquiry about the location information of the mobile terminal to the location server through the LBS location interface.

Further, the positioning of the mobile terminal and generating the discontinuous historical positioning points of the mobile terminal in chronological order include:

According to the location information of the mobile terminal obtained from the query, generate and display discontinuous historical positioning points of the mobile terminal arranged in chronological order.

Further, the determining the feasible and latest trajectory data between two temporally adjacent positioning points among the historical positioning points of the mobile terminal includes:

According to the query information of the historical trajectory of the mobile terminal, the feasible and latest trajectory data between two temporally adjacent positioning points among the historical positioning points of the mobile terminal is obtained.

The present invention also provides a system for displaying historical trajectories of mobile terminals under an LBS positioning system, including: a positioning server, wherein the positioning server is used to locate the mobile terminal and generate a chronological sequence of the mobile terminals discontinuous historical positioning points; the positioning server is also used to determine feasible and recent trajectory data between two temporally adjacent positioning points in the historical positioning points of the mobile terminal, and according to the feasible and recent The trajectory data of the time-adjacent two positioning points are connected one by one with the feasible and nearest trajectory, and displayed.

Further, the system further includes a location server, wherein the location server is further configured to send a request for querying the location information of the mobile terminal to the location server through the LBS location interface;

The location server is configured to query the location information of the mobile terminal itself according to the query request of the location server, and send the location information of the mobile terminal queried by itself to the location server.

Further, the positioning server is further configured to receive the location information of the mobile terminal, and generate and display discontinuous historical positioning points of the mobile terminal arranged in chronological order according to the location information of the mobile terminal.

Further, the system also includes a map providing server, which is provided with an API for connecting to the positioning server; wherein,

The map providing server is used to query the feasible and recent trajectory data between two temporally adjacent positioning points among the historical positioning points of the mobile terminal through API, and send the feasible and recent trajectory data to location server;

The positioning server is also used to send an inquiry application for the historical trajectory of the mobile terminal to the map providing server through the API; it is also used to receive the feasible and recent trajectory data, and according to the feasible and recent trajectory data will Feasible and closest trajectories between two temporally adjacent anchor points are connected one by one and displayed.

The method and system for displaying the historical trajectory of a mobile terminal under the LBS positioning system provided by the embodiments of the present invention, without changing the LBS positioning frequency, the positioning server first queries the location server for the location information of the mobile terminal through the LBS positioning interface, and generates the The positioning points of the mobile terminal are arranged in chronological order and discontinuous within a certain time interval, and displayed; then, the positioning server queries the map providing server for the mobile terminal through an application programming interface (API, Application Programming Interface). Feasible and recent trajectories between two temporally adjacent positioning points in the terminal's historical positioning points, and connecting the feasible and recent trajectories between each of the time adjacent two positioning points to form a complete and As for the continuous historical track of the mobile terminal, since the historical track is generated based on historical anchor points, the historical track has certain authenticity.

Moreover, the method of the embodiment of the present invention is realized without changing the positioning frequency, which can ensure the stability of the LBS positioning system and can more truly display the historical track of the mobile terminal.

Description of drawings

Fig. 1 is the implementation flow schematic diagram of the method for displaying the historical trajectory of a mobile terminal under the LBS positioning system of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a system for displaying the historical trajectory of a mobile terminal under the LBS positioning system according to an embodiment of the present invention;

FIG. 3 is a detailed flow diagram of a specific implementation of a method for displaying a historical track of a mobile terminal under an LBS positioning system according to an embodiment of the present invention.

Detailed ways

The implementation manner of the present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

Fig. 1 is the realization flowchart of the method for displaying the historical trajectory of the mobile terminal under the LBS positioning system of the embodiment of the present invention. As shown in Fig. 1, the method includes:

Step 101: Locate the mobile terminal, and generate discontinuous historical positioning points of the mobile terminal arranged in chronological order;

Step 102: Determine feasible and recent trajectory data between two time-adjacent positioning points among the historical positioning points of the mobile terminal, and divide each time-adjacent positioning point between the two time-adjacent positioning points according to the feasible and recent trajectory data The feasible and recent trajectories among them are connected one by one and displayed.

Specifically, the positioning server locates the mobile terminal, and generates discontinuous historical positioning points of the mobile terminal arranged in chronological order;

The positioning server determines feasible and recent trajectory data between two time-adjacent positioning points among the historical positioning points of the mobile terminal, and assigns the time-adjacent positioning points between each time-adjacent positioning point according to the feasible and recent trajectory data. The feasible and recent trajectories among them are connected one by one and displayed;

Here, the feasible and latest trajectory data is: the historical trajectory that actually exists between two historical positioning points, is the shortest, and corresponds to actual road conditions, and the historical trajectory exists in the map information provided by the map providing server.

Here, before locating the mobile terminal and generating discontinuous historical positioning points arranged in chronological order for the mobile terminal, the method further includes: sending an inquiry about the location information of the mobile terminal to the location server through the LBS positioning interface .

Wherein, the LBS positioning interface is set in the positioning server for connecting with the location server; the location server includes all location information in the operator's location service base, and the role of the location server is similar to that of the operator's location service base. function is the same; specifically, the positioning server sends a query to the location server for the location information of the mobile terminal through the LBS positioning interface.

Correspondingly, the locating the mobile terminal and generating the discontinuous historical positioning points arranged in chronological order of the mobile terminal include: generating the location information of the mobile terminal arranged in chronological order according to the location information of the mobile terminal obtained from the query. Discontinuous historical anchor points, and display;

Here, the location information of the mobile terminal includes: coordinate point information of the geographic location of the mobile terminal at a certain moment, and the positioning server can determine the positioning point of the mobile terminal at a certain moment according to the coordinate point information; specifically, The positioning server generates and displays discontinuous historical positioning points of the mobile terminal arranged in chronological order according to the position information of the mobile terminal obtained from the query.

Wherein, the generating means that the positioning server directly locates the discontinuous historical positioning points arranged in chronological order of the mobile terminal through the positioning interface; because the positioning process of the positioning server is carried out in chronological order, for example From 8 o'clock to 18 o'clock, the mobile terminal is positioned every half an hour to obtain 20 historical positioning points arranged in chronological order. Therefore, when obtaining the historical track of the mobile terminal, the positioning server can directly generate The discontinuous historical positioning points arranged in chronological order by the mobile terminal.

The determining the feasible and latest trajectory data between two temporally adjacent positioning points among the historical positioning points of the mobile terminal includes: obtaining the historical positioning of the mobile terminal according to the query information of the historical trajectory of the mobile terminal Feasible and recent trajectory data between two temporally adjacent anchor points in a point. Specifically, according to the query information of the historical trajectory of the mobile terminal, the positioning server obtains the feasible and recent trajectory between two temporally adjacent positioning points among the historical positioning points of the mobile terminal to the map providing server through its own API. data.

Compared with the existing method of displaying the historical trajectory of the mobile terminal based on the LBS positioning system, the method of the embodiment of the present invention does not change the LBS positioning frequency, and the positioning server first queries the location server for the position of the mobile terminal through the LBS positioning interface. information, generating and displaying discontinuous historical positioning points arranged in chronological order within a certain time interval of the mobile terminal; here, the certain time interval may be 15-30 minutes;

Then, the positioning server queries the map providing server through the API for feasible and recent trajectory data between two temporally adjacent positioning points in the historical positioning points of the mobile terminal, and according to the feasible and recent trajectory data Feasible and recent trajectories between two positioning points adjacent in time are connected one by one to form a complete and continuous historical trajectory of the mobile terminal. Since the historical track is generated based on historical anchor points, the historical track has a certain degree of authenticity. The method of the embodiment of the present invention does not increase the frequency of the LBS positioning system, and can avoid increasing the pressure of the LBS positioning system. It only needs to use the geographic location information in the map providing server to improve the information when the positioning server is positioned through the API, and the time interval can be displayed. Feasible and recent historical trajectories between two adjacent anchor points, so that the historical trajectories of the mobile terminal can be displayed more realistically.

Here, the API is set in the map providing server for connecting with the positioning server.

In order to realize the above method, the embodiment of the present invention also proposes a system for displaying the historical trajectory of the mobile terminal under the LBS positioning system, as shown in Figure 2, the system for displaying the historical trajectory of the mobile terminal under the LBS positioning system includes: the positioning server 21. For locating the mobile terminal, and generating chronologically arranged, discontinuous historical positioning points of the mobile terminal;

The positioning server 21 is also used to determine feasible and recent trajectory data between two time-adjacent positioning points among the historical positioning points of the mobile terminal, and each time adjacent to each other according to the feasible and recent trajectory data. The feasible and closest trajectories between the two anchor points are connected one by one and displayed.

Here, the system also includes a location server 22, wherein,

The location server 21 is further configured to send a request for querying the location information of the mobile terminal to the location server 22 through the LBS location interface;

The location server 22 is configured to query the location information of the mobile terminal itself according to the query request of the location server 21, and send the location information of the mobile terminal queried by itself to the location server 21 ;

The positioning server 21 is further configured to receive the location information of the mobile terminal, generate and display discontinuous historical positioning points of the mobile terminal arranged in chronological order according to the location information of the mobile terminal.

The system also includes: a map providing server 23, which is provided with an API for connecting to the positioning server;

The map providing server 23 is used to query the feasible and recent trajectory data between two temporally adjacent positioning points in the historical positioning points of the mobile terminal through API, and send the feasible and recent trajectory data to positioning server 21;

The positioning server 21 is also used to send an inquiry application for the historical trajectory of the mobile terminal to the map providing server 23 through the API; it is also used to receive the feasible and recent trajectory data, and according to the feasible and recent trajectory The data connects the feasible and closest trajectories between two temporally adjacent anchor points one by one and displays them.

Fig. 3 is the detailed flow diagram of the specific implementation of the method for displaying the historical trajectory of the mobile terminal under the LBS positioning system of the embodiment of the present invention. As shown in Fig. 3, the method for displaying the historical trajectory of the mobile terminal under the LBS positioning system of the embodiment of the present invention includes:

Step 301: The positioning server periodically sends a positioning request to the mobile terminal;

Here, the mobile terminal is installed with location service application software; the cycle can be set by the user, and the general cycle is 15-30 minutes.

Step 302: After receiving the positioning request, the mobile terminal sends a positioning request to the wireless gateway through the location service application software in the mobile terminal;

Step 303: After receiving the positioning request sent by the mobile terminal, the wireless gateway judges whether the mobile terminal has opened the positioning service agreement, and sends the judgment result to the positioning server. If it has been opened, then perform step 304; otherwise, return to step 301;

Step 304: After receiving the judgment result sent by the mobile gateway, the positioning server sends a request for querying the location information of the mobile terminal to the location server through its own LBS positioning interface;

Step 305: After receiving the request to inquire about the location information of the mobile terminal, the location server inquires the location information of the mobile terminal itself, and under the condition of satisfying the limit of its own concurrent The location information of the mobile terminal is sent to the positioning server;

Here, the location information of the mobile terminal includes coordinate point information of the location of the mobile terminal at a certain moment, and the like.

Step 306: After receiving the location information of the mobile terminal, the positioning server generates and displays discontinuous historical positioning points arranged in chronological order for the mobile terminal;

Step 307: The user sends an inquiry application for the historical track of the mobile terminal to the positioning server;

Step 308: After the positioning server receives the query application for the historical trajectory of the mobile terminal, it queries the feasible and closest location between the two historical positioning points of the mobile terminal through the API in the map providing server. , and according to the feasible and recent trajectory data, connect feasible and recent trajectories between two adjacent positioning points at each time one by one, and display them;

Specifically, after the positioning server receives the query application for the historical trajectory of the mobile terminal, it sends the query application for the historical trajectory of the mobile terminal to the map providing server, and after the map providing server receives the query information, Query the feasible and recent trajectory data between two temporally adjacent positioning points in the historical positioning points of the mobile terminal, and send the feasible and recent trajectory data to the positioning server; the positioning server receives the feasible And after the latest track data, according to the feasible and latest track data, the feasible and closest tracks between the two time-adjacent positioning points are connected one by one, and displayed.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (8)

1. A method for displaying the historical trajectory of a mobile terminal under a LBS positioning system, the method comprising: positioning the mobile terminal, generating discontinuous historical positioning points arranged in chronological order for the mobile terminal; it is characterized in that the Methods also include: Determining feasible and recent trajectory data between two time-adjacent positioning points in the historical positioning points of the mobile terminal, and calculating feasible and recent trajectory data between each time-adjacent positioning point according to the feasible and recent trajectory data. The recent tracks are connected one by one and displayed. 2. The method according to claim 1, wherein said mobile terminal positioning, before generating the mobile terminal chronologically arranged, discontinuous historical positioning points, said method also includes: Sending an inquiry about the location information of the mobile terminal to the location server through the LBS location interface. 3. The method according to claim 2, wherein the positioning of the mobile terminal and generating the discontinuous historical positioning points arranged in chronological order of the mobile terminal include: According to the location information of the mobile terminal obtained from the query, generate and display discontinuous historical positioning points of the mobile terminal arranged in chronological order. 4. The method according to claim 1, wherein the determination of feasible and recent track data between two temporally adjacent positioning points in the historical positioning points of the mobile terminal comprises: According to the query information of the historical trajectory of the mobile terminal, the feasible and latest trajectory data between two temporally adjacent positioning points among the historical positioning points of the mobile terminal is obtained. 5. A system for displaying the historical track of a mobile terminal under an LBS positioning system, comprising: a positioning server, wherein the positioning server is used to locate the mobile terminal, and generate the mobile terminal in chronological order, not A continuous historical anchor point; characterized by, The positioning server is also used to determine feasible and recent trajectory data between two time-adjacent positioning points among the historical positioning points of the mobile terminal, and divide each time-adjacent positioning point according to the feasible and recent trajectory data. Feasible and closest trajectories between two anchor points are connected one by one and displayed. 6. The system according to claim 5, characterized in that the system further comprises a location server, wherein the location server is further configured to send a request for querying the location information of the mobile terminal to the location server through the LBS location interface ask; The location server is configured to query the location information of the mobile terminal itself according to the query request of the location server, and send the location information of the mobile terminal queried by itself to the location server. 7. The system of claim 6, wherein: The positioning server is further configured to receive the location information of the mobile terminal, and generate and display discontinuous historical positioning points of the mobile terminal arranged in chronological order according to the location information of the mobile terminal. 8. The system according to claim 6, characterized in that, the system further comprises a map providing server, which is provided with an API for connecting to the positioning server; wherein, The map providing server is used to query the feasible and recent trajectory data between two temporally adjacent positioning points among the historical positioning points of the mobile terminal through API, and send the feasible and recent trajectory data to location server; The positioning server is also used to send an inquiry application for the historical trajectory of the mobile terminal to the map providing server through the API; it is also used to receive the feasible and recent trajectory data, and according to the feasible and recent trajectory data will Feasible and closest trajectories between two temporally adjacent anchor points are connected one by one and displayed.