KR20060007580A - Traffic information display and service method for mobile telecommunication terminal equipment - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide traffic information in the form of a map so that drivers can recognize traffic traffic conditions at a glance in a mobile terminal such as a vehicle terminal or a mobile phone. To this end, in the present invention, highways, metropolitan roads, and city roads of major cities are made in the form of a map form, and a combination table of section IDs having X, Y coordinates and traffic information of the points constituting the roads is formed, and then each section After updating the traffic information database by reading the driving speed data corresponding to the driving speed data, the road traffic information screen is displayed by performing an iterative process of changing the roads on the road map into consecutive spots having a certain size and color according to a predetermined classification criteria. Through the creation method, traffic information was serviced quickly and economically.

Description

Traffic information display and service method of mobile communication terminal {TRAFFIC INFORMATION DISPLAY AND SERVICE METHOD FOR MOBILE TELECOMMUNICATION TERMINAL EQUIPMENT}             

1 is an illustration of a schematic image design of a national map according to the present invention.

Figure 2 is a schematic image design of the map of Seoul according to the present invention.

Figure 3 is an exemplary view for extracting the X, Y coordinates in the schematic image according to the present invention.

4 is an exemplary diagram of a table combining X, Y coordinates and section IDs according to the present invention.

5 is a flowchart illustrating a process of generating a road traffic information screen according to the present invention;

Figure 6 is an exemplary configuration of the combined table of the X, Y coordinates and section ID for the Gyeongbu expressway in the present invention.

7 is an exemplary diagram of a database in which section IDs and up and down speeds are arranged for the Gyeongbu expressway according to the present invention;

8 is an exemplary view showing the classification criteria for the traffic conditions for each road in the present invention and the color of the RBI displayed on the road.

9A and 9B are diagrams showing the path of a hardware system for servicing the road traffic information of the present invention to a vehicle terminal and a mobile phone.

10 is an exemplary view showing a detailed menu and service contents for the highway and the main city in the present invention.

11 is an exemplary view of a highway traffic information service according to the present invention.

12 is an exemplary traffic information service of Seoul main trunk road, Han River bridge, the main tunnel according to the present invention.

*** Description of the symbols for the main parts of the drawings ***

1: Traffic Information Center 2: Database Server

3: vehicle speed detector 4: map traffic information screen generation server

5: web server 6: mobile communication center

7 mobile communication base station 8 vehicle terminal

9: traffic information transmission server

10: virtual machine program stored in the phone

11: directions image stored on your phone

12: Route Traffic Information Screen Creation Program

13: phone screen

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technology for providing traffic information in the form of a map in a mobile terminal such as a vehicle terminal or a mobile phone. The present invention relates to a traffic information service method of a mobile communication terminal that can be recognized at a glance.

Recently, attempts have been made to deliver various types of traffic information to consumers through wired and wireless communication networks. However, in such a system, a simple configuration and providing method of physically accumulating information of a plurality of points collected from raw traffic information collecting equipments and delivering the information to a customer through the Internet without undergoing any special processing is used.

On the other hand, in providing traffic information through a broadcasting medium, a form of voice or a combination of video and audio is used. In such a system, information that is irrelevant to the location or timing of the information consumer is owing to the unidirectional transmission from the broadcasting station to the consumer. It is provided by simply listing.

Since the conventional traffic information providing system provides text, still images, or video in an independent form, it is difficult for a general consumer who does not have expertise to intuitively grasp the traffic situation of the road and understand the information. There is a difficulty in paying attention for a considerable amount of time, and for this reason, it is almost impossible to use necessary traffic information while driving. In addition, in order to display traffic information of complex roads on a general map, the amount of data is large, and accordingly, a lot of time and resources are required for graphic processing, and thus, the processing speed and economic efficiency are significantly reduced when using a wireless communication network.

Meanwhile, in the method of providing traffic information through a broadcasting medium, traffic information is provided unidirectionally from a broadcasting station, and the supply of information to a plurality of points is not only limited due to the time limit of broadcasting, but also necessary texts and graphic screens are prepared in advance. Because of the complicated manual process of synthesis and editing in turn, it was impossible to provide the information collected from the raw traffic information gathering equipments at various points in real time according to the location or timing desired by the consumer.

The present invention is to solve the problems of the existing method, by producing traffic information effectively and economically express the traffic information on the highways and major cities of the country and to produce a map image for the driver at a glance The purpose of the present invention is to construct a combination table of sections for displaying coordinates and traffic information for each road, to construct a database using the combination table and driving speed data, to generate a map of road traffic information using the database, and to provide a preferred service method. .

The first feature of the present invention is to outline the national highways and major cities in mobile communication terminals such as a vehicle terminal or a mobile phone, and express the colors of each road section differently according to the average speed of the driving vehicle and display them on one screen. Traffic information about the section can be effectively identified at a glance.

The second aspect of the present invention is to combine the geographic information and the speed information on the road effectively to limit the traffic information to within 2 packets (1024 bytes), thereby minimizing the processing time and communication cost, thereby providing a faster and more economical traffic information service. Is possible.

The third feature of the present invention is that the depth of the information can be minimized so that most of the desired traffic information can be accessed by selecting the menu within two times.

A traffic information display method of a mobile communication terminal according to the present invention comprises: a first process of making an image of a highway form of highways, metropolitan areas, and major cities in a country; A second step of combining a section ID having the traveling speed data for each section with the X, Y coordinates of the points constituting the road in the corresponding image to create a predetermined joining table; A third step of constructing a traffic information database by reading the driving speed data for each section ID collected from the vehicle speed detectors and inputting the data according to the combining table; A fourth step of uploading an image of a map of the region to a display of a web server or a mobile communication terminal in accordance with a request of a user who wants a traffic information service; Using the driving speed data and the designated traffic condition criterion, the process of repeatedly changing the road section on the road map to a spot having a specific size and color as needed is repeated to generate a road traffic information screen. When described in detail with reference to Figures 1 to 12 attached to the method and operation and preferred embodiments of the present invention made as described above are as follows.

Figure 1 shows an example of the design of the map image of the national map according to the present invention, Figure 2 shows an example of the map image design for the map of Seoul, a simplified form and minimal color to grasp at a glance And the roads displaying traffic information are displayed in the form of dotted lines by closely connecting the roads with 2 × 2 pixel sections, and the roads are designed according to the resolution of the mobile communication terminal based on the X and Y coordinate maps. In order to prevent the image from exceeding a few kilobytes (KByte), 32 or less colors are used, and an image in GIF or JPG format is preferable for effective compression.

In addition, the bridges or tunnels in the map image are overlapped with each other in a shape distinguished from the road, and it is preferable to separate the bridges and the tunnels from the map image into separate layers so that only the bridges and tunnels can be extracted and displayed separately. .

3 and 4 illustrate an example of generating a table combining the X, Y coordinates and the section ID of the road according to the present invention. That is, FIG. 3 illustrates an example of extracting X, Y coordinates of points representing a road from a compressed schematic image, and FIG. 4 finds a section ID where the X, Y coordinates of the points are located and combines them. The following shows an example of creating a table.

The screen generating program of the road traffic information according to the present invention serves to show traffic information on a road on a road according to a predetermined rule by using a predetermined traffic information database, and the main process thereof will be described with reference to FIG. 5. As follows.

First, the combination of the X, Y coordinates on the map image and the corresponding section ID data is loaded to initialize the speed data (S1), and the traffic information database is updated by reading the latest driving speed data corresponding to each section ID. (S2).

Then, using a predetermined program, the map image of the region is read and placed on the display device of the web server or the mobile communication terminal (S3).

Then, the driving speed for each section ID stored in the traffic information database is read (S4), and classified into congestion, slow motion, and smooth communication according to a predetermined traffic situation classification standard (S5), and the color corresponding to each traffic situation. The RBI is drawn in a predetermined size (for example, 2 × 2 pixels) on the corresponding X and Y coordinates (S6).

The process of S4 to S6 is a process of generating a road traffic information screen by sequentially changing the color of each section of the road based on the running speed on the road, where the congestion point on the road is red, the slowing point is yellow, It is preferable to use green or blue RBI for the point where communication is smooth.

In addition, in order to efficiently process the process of placing the map image (S3) and the process of expressing the spot of a certain size and color on the road (S6), a commercially available graphic device interface (GDI) and API (Application Program) for each operating system. Interface) program is preferably used.

Subsequently, it is checked whether the section ID of the road to be processed remains, and if it is determined to remain, the processes of S4 to S6 are repeatedly performed (S7).

FIG. 6 shows an example of implementing a combination table of the X, Y coordinates and the section ID of the Gyeongbu Expressway generated in step S1, and the X, Y of the road trajectory in the downward and upward directions from Seoul to Busan shown in the corresponding map. The coordinates and the corresponding section IDs are arranged together.

In this case, a plurality of section IDs may correspond to one X and Y coordinates due to an absolute size and resolution constraint of the display device of the mobile communication terminal. It is preferable to apply at a traveling speed for the corresponding X, Y coordinates.

7 shows an example of building the traffic information database for the Gyeongbu Expressway generated in the S2 process, each section ID corresponding to the start and end sections of the up and down directions from Seoul to Busan shown in the corresponding directions. This is an example made by updating the traveling speed in the up and down direction at that time.

8 shows an example of applying the traffic situation classification criteria for each road type to perform the process S5 and S6, and applies the traffic condition determination criteria for each speed differently according to the types of roads such as highways, downtown roads, highways, etc. This is an example of red, yellow in slow motion, and green in smooth communication.

9A and 9B schematically illustrate a hardware system to which the traffic information service method of the present invention is applied to a mobile communication terminal. FIG. 9A is a case of a vehicle terminal mounted on a vehicle and wirelessly provided with necessary information while moving. 9B illustrates a case of a mobile phone using a virtual machine (VM) service of the wireless Internet.

In FIG. 9A, the traffic information center 1 is provided with a database server 2, a map traffic information screen generation server 4, and a web server 5, and the traffic information transmitted from the traffic information center 1 is moved. It is transmitted to the vehicle terminal 8 through the communication center 6 and the mobile communication base station 7 so that the user can view the traffic information.

That is, FIG. 9A shows the road traffic information screen of all roads by executing the road traffic information screen generation program of FIG. 5 from the road traffic information screen generation server 4 in the traffic information center 1 at regular time intervals. Is made in advance and stored in the web server (5), according to the request of the vehicle terminal (8) is an embodiment showing the transmission as it is.

Such a configuration may be effectively used in the case where a vehicle terminal does not have a separate program and has only a web browser and is specifically contracted to charge a constant communication fee regardless of the amount of data received.

9B, a database server 2 and a traffic information transmission server 9 are constructed in the traffic information center 1, and the traffic information transmitted from the traffic information center 1 is transmitted to the mobile communication center 6. And the virtual base program 10 is transmitted to the mobile phone having the built-in virtual communication program 10 so that the user can view the corresponding traffic information through the mobile phone screen 13.

That is, in FIG. 9B, the traffic information transmission server 9 of the traffic information center 1 compresses the traveling speed data of the road requested by the service user in the form of a packet, and transmits the traveling speed data to the mobile phone. Using the stored route image 11 and the route traffic information screen generation program 12 of FIG. 5 stored in the mobile phone, the route traffic information screen is created and shown.

Such a configuration has the advantage that traffic information can be used quickly and economically by minimizing the amount of data received in a mobile communication terminal capable of storing a separate program as necessary, such as a mobile phone.

10 is an embodiment in which traffic classifications of highways, Seoul, and Busan are classified and detailed menus of corresponding services are provided in order to provide the traffic information of the present invention. That is, in case of expressways, highway traffic information is organized by route to provide route traffic information of them, and in case of Seoul and Busan, route traffic information is provided for each of them by dividing into main trunk roads, main bridges and tunnels. It was made.

11 illustrates an embodiment of a road traffic information service for a highway, and the preferred configuration and operation of the road map traffic information service screen will be described as follows.

First, as shown in (A), the road traffic information menu is displayed on the screen, and when the user selects the "road traffic information" item, as shown in (B), the road traffic information screen for the national highway is displayed. Displays menus such as highway, Seoul, Busan, nationwide, metropolitan area, and road selection.

Here, when the user selects any one item, for example, the "metropolitan area" item, the road traffic information screen for the metropolitan expressway is provided as in (C).

At this time, if the user wants to view the information for each highway on an independent screen, the user selects the “road selection” item, and thereby names highways such as Gyeongbu, Yeongdong, Seohae, Honam, Central, Central, and Namhae as in (D). Displays the menu for selection.

Here, when the user selects an arbitrary highway, for example, the "Cyungbu" expressway item, the traffic information about the Gyeongbu Expressway is provided as in (E).

12 illustrates an embodiment of a road traffic information service for a major arterial road in Seoul. The preferred configuration and operation of the road traffic information service screen in Seoul will be described as follows.

First, when the "Seoul" item is selected on the initial screen of the road traffic information as shown in (A), as shown in (B), the traffic information screen for the entire trunk road in Seoul is displayed.

In this case, if the user selects the "Hangang bridge" item, route traffic information for each bridge of the Han river is provided as shown in (C), and if the "main tunnel" item is selected, the main tunnels of Seoul as shown in (D) Direction traffic information is provided.

As described in detail above, the present invention provides an effective and economical representation of traffic information on the highways and major cities of the country, so that the driver can recognize the traffic situation at a glance. By constructing a combined table of the section to display the coordinates and traffic information for the construction, the construction of a traffic information database using the combined table and the traveling speed data, the creation of the map traffic information screen using the database and the service method, It is effective to use traffic information quickly and conveniently at the expense of.

Claims (11)

A first process of making highway-shaped images of highways, metropolitan areas, and major cities in image form; A second step of combining a section ID having the traveling speed data for each section with the X, Y coordinates of the points constituting the road in the corresponding image to create a predetermined joining table; A third step of constructing a traffic information database by reading the driving speed data for each section ID collected from the vehicle speed detectors and inputting the data according to the combining table; A fourth step of uploading an image of a map of the region to a display device of a web server or a mobile communication terminal in accordance with a request of the traffic information consumer; And a fifth step of repeatedly generating a road traffic information screen by repeatedly performing the process of changing the road section on the road map to a spot having a specific size and color by using the driving speed data and the designated traffic situation determination criteria. Traffic information display method of a mobile communication terminal, characterized in that. The method of claim 1, wherein the route image of the first step uses an image in GIF or JPG format using 32 colors or less so as not to exceed a few kilobytes, and uses 16 pixels or less for a road section on which traffic information is to be displayed. Method for displaying traffic information of a mobile communication terminal, characterized in that closely connected to display in the form of a dotted line. The method according to claim 1, wherein the bridges or tunnels are overlapped with each other in a way image distinguished from the road in the map image of the first step, and the bridges and tunnels are extracted from the map image as needed so that the bridges and tunnels can be extracted and displayed separately. Traffic information display method of a mobile communication terminal, characterized in that. The method of claim 1, wherein when constructing a database in the traffic information center through the second and third processes, the road name, the X, Y coordinate for each point, the segment start point, the segment end point, the segment ID, the descending speed, and the ascending speed Traffic information display method of a mobile communication terminal, characterized in that as a component. The method of claim 1, wherein, when a database is constructed through a third process, when a plurality of section IDs correspond to one X and Y coordinates, the traveling speeds of the overlapping section IDs are averaged for the corresponding X and Y coordinates. Traffic information display method of a mobile communication terminal, characterized in that applied to the traveling speed. The method of claim 1, wherein the GDI and API programs commercialized for each operating system are used to efficiently process the fourth and fifth processes. The method according to claim 1, wherein when the road traffic information is displayed on the screen according to the fifth process, different traffic situation classification criteria are applied according to the classification of roads such as a highway, an arterial road, a city road, and the like. Traffic information display method of a mobile communication terminal, characterized in that to display a red color scheme. The traffic information center of claim 1, wherein the traffic information is provided to a traffic information center in order to provide traffic information to a mobile communication terminal having a web browser without a separate program and having a constant communication fee regardless of the amount of data received. A traffic server comprising a database server, a screen generation server for executing the road traffic information screen generating program, and a web server which prepares the road traffic information screens of all roads in advance and transmits the screens according to the request of the terminal. How to configure an information service system. The traffic information center includes a traffic information database server and a designated road in order to provide traffic information to a mobile communication terminal, the communication fee of which varies according to the amount of data received. A traffic information transmission server for compressing driving speed data and transmitting it in the form of a packet is provided, and a method of constructing a traffic information service system comprising storing a map image and a road traffic information screen generating program in a virtual machine form in a terminal. . The traffic information service method of claim 1, wherein the service menu for displaying the road traffic information is divided into highways and major cities throughout the country. The traffic information service method of claim 10, wherein when a menu for a major city is selected, main trunk roads, bridges, and tunnels are displayed as a lower menu.

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