KR20040068767A - System and Method for Updating of Point of Interest Information and Map Information Through Wire/Wireless Communication Network - Google Patents

Abstract

PURPOSE: A system and a method for updating the point of interest information and a map information through wire/wireless communication network are provided to easily search by overcoming the limitation of time and geometry, thereby increasing the efficiency of the work. CONSTITUTION: A system for updating the point of interest(POI) information and a map information through wire/wireless communication network includes a global positioning system(GPS) satellite(100), a GPS terminal(200) and an information center(400). The GPS terminal(200) receives the position data from the GPS satellite(100) and is capable of performing the wire/wireless data communication. The information center(400) receives the map data including the position data from the GPS satellite(100) through the wire/wireless communication network and the POI data. And, the information center(400) implements the update of the map database(421) and the POI database(431) by adding, amending and deleting the map information and the POI information.

Description

System and Method for Updating of Point of Interest Information and Map Information Through Wire / Wireless Communication Network}

The present invention relates to a method for updating POI information and map information in a navigation system. The present invention relates to a method for updating location information from a GPS satellite through a portable GPS terminal equipped with a GPS module and a wireless communication module, and inputting additional information through a wired or wireless network. The POI information and map information are updated by transmitting to POI server and map server of information center.

In general, a navigation system receives current location information and destination information from a navigation terminal provided in a vehicle, calculates a guidance route based on map data, generates guidance data, and transmits the guidance data to the navigation terminal to perform road guidance.

In addition, the navigation system can provide various types of location-based services, such as point-of-interest (POI) information and traffic conditions to guide phone numbers, addresses, and detailed information of restaurants, banks, gas stations, and stores. (LBS).

Such a navigation system includes a map DB that stores map data produced according to road and traffic regulations that have been investigated in advance in the information center, and points of interest, that is, data of restaurants, hotels, golf courses, tourist attractions, etc. It is provided with a POI DB for storing the information, and when receiving a signal for requesting information from the navigation terminal to provide a variety of information necessary for driving by transmitting the data stored in the DB.

Each data stored in the map DB and the POI DB of the conventional navigation system is a method for the expert surveyor to directly inspect the road and traffic regulation status and important feature information in the field to periodically acquire the data and deliver it directly to the information center. Was collected and renewed.

However, the information collection and update method as described above is difficult to produce data and change dynamic map data in areas where geographic changes or large-scale construction work occurs, and in the case of POI data, if the user does not inform the user of an error, the information center The disadvantage is that it is difficult to find out from the provider side.

In addition, when data needs to be modified and updated, complicated procedures are required and costs and manpower are wasted.

Accordingly, the present invention has been made to solve various disadvantages and problems pointed out in the conventional method of updating the map information and POI information as described above, and the position data for indicating the map information and POI information of the point where the GPS terminal is located. And by sending additional data to the information center through wired and wireless networks, to facilitate the investigation by overcoming the time and geographical constraints in the production and updating of map data and POI data, and to actively participate by users as well as system operators. It is an object of the present invention to provide a system and method for enabling a quick update with improved accuracy and to guide a correct route according to a map and POI information by a quick update.

1 is a conceptual diagram illustrating a system for updating POI information and map information through a wired or wireless network according to an embodiment of the present invention;

2 is a schematic structural diagram of a GPS terminal for updating POI information and map information through a wireless network according to an embodiment of the present invention;

3 is a flowchart illustrating a method of updating POI information and map information through a wired or wireless network according to an embodiment of the present invention;

4 is a flowchart illustrating a method of updating POI information and map information in an information center according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: GPS satellite 200: GPS terminal

210: controller 220: GPS receiver

230: additional data input unit 240: data storage unit

250: wireless data modem 260: display unit

300: Computer 400: Information Center

410: update management server 420: map server

421: map DB 430: POI server

431 POI DB 500 wired and wireless network

The object of the present invention is to receive the position data from the GPS satellites and the GPS terminal capable of wired and wireless data communication, and receiving the map data and POI data including the position data from the GPS terminal via the wired and wireless network, and the map information and POI information It is achieved by a system consisting of an information center that updates, maps and POI DB by adding, modifying and deleting.

In the present invention, POI (Point Of Interest) information refers to important point information, location information such as public institutions, schools, department stores, cathedrals, parks, fast food stores, markets, restaurants, facility names, addresses, representative telephone numbers, Refers to information that includes additional information such as features, number of parking spaces, features (such as odd number of golf courses, shower facilities, etc.) and photos of facilities.

In addition, the map information includes road alignment, newly established roads and tunnels, U-turns, one-way streets, overpasses, underground roadways, intersection traffic methods, and temporary construction periods.

The GPS terminal includes a GPS receiver for receiving location data from a GPS satellite to measure a current location, and transmit the location data and additional data input by the user to an information center through a wireless network, or location data. And a memory capable of storing additional data, storing map information and POI information in the memory, and using the terminal capable of wired / wireless data communication such as a GPS terminal and a computer, a laptop, a PDA, a mobile phone, etc. Can transmit

The information center receives map information and POI information including location data measured from the GPS terminal and additional data input by the user, and updates the map DB and the POI DB.

Details of the above object and technical configuration of the present invention and the resulting effects thereof will be clearly understood by the following detailed description based on the accompanying drawings.

First, FIG. 1 is a conceptual diagram illustrating a system for updating POI information and map information through a wired or wireless network according to an embodiment of the present invention, and FIG. 2 is an illustration of updating POI information and map information through a wireless network according to an embodiment of the present invention. It is a schematic configuration diagram of a GPS terminal for.

As shown in FIG. 1, the system for updating POI information and map information through the wired / wireless network of the present invention includes map information and POI information including location data measured from the GPS terminal 200 and the GPS terminal 200. And an information center 400 for receiving and updating the map DB 421 and / or the POI DB 431.

As illustrated in FIG. 2, the GPS terminal 200 inputs a control unit 210 to collectively control the GPS terminal 200, a GPS receiver 220 to receive location data, and detailed information of a corresponding point. The additional data input unit 230 to enable the data, the data storage unit 240 for storing the location data and the additional data in the memory and the map data and POI data including the location data and the additional data via the wireless network It comprises a wireless data modem 250 to transmit to the center (400).

The GPS receiver 220, when the GPS terminal 200 transmits a location measurement signal to update the map information and the POI information to the GPS satellite 100, the GPS receiver 220 measures from at least one GPS satellite 100 receiving the signal. Receiving the latitude and longitude of the point where the GPS terminal 200 is located.

In this case, when the information to be updated is map information, the GPS terminal 200 should receive a plurality of point coordinates located on the update path from the GPS satellite 100.

When the measurement of the position of the specific point is completed as described above, the display unit 260 of the GPS terminal 200 displays the corresponding position on the monitor of the GPS terminal 200 so that the user can confirm the position and the additional data. The input unit 230 provides additional information of the location measured point, that is, detailed information such as the name, address, telephone number, and characteristic of the measured point in the case of POI information, and the property of the road, the way of traffic, and the under construction in the case of the map information. Detailed information such as period can be entered.

Next, when the input of the position measurement data and additional data is completed and the data transmission request is requested by a key operation or the like, the measured data and the input additional data are wirelessly transmitted to the information center 400 through the wireless network. The GPS terminal 200 having a communication function may be provided with a button for data transmission.

On the other hand, if the user does not want to request a data transmission after the position measurement and the input of the additional data is completed, the data storage unit 240 maps the map information or POI information including the measurement data and the additional data according to the user's request. When the data transmission request is generated and stored in the memory of the terminal 200, it can be transmitted through a wireless network.In the case of a GPS terminal that does not support the wireless transmission function, map information and POI information are stored in a memory and then wired / wireless data communication is performed. By using a separate terminal as possible to be transmitted to the information center 400 through the wired or wireless network (500).

In this case, the separate terminal capable of wired / wireless data communication refers to a personal mobile communication terminal such as a computer 300 providing a wired / wireless internet connection environment, a notebook computer, a PDA, a mobile phone, and the like.

Next, when there is a request for updating the map information and the POI information from the GPS terminal 200 or a terminal capable of wired / wireless data communication, the update management server 410 of the information center 400 requests the update of the GPS terminal 200. Or if the authentication is successful by authenticating a device of a terminal capable of wired / wireless data communication or by inputting personal information by a user, receiving the location data and additional data, and the data indicates map information. This is transmitted to the map server 420, and if the POI information is displayed, it is transmitted to the POI server 430.

The map server 420 that received the map data and the POI server 430 that received the POI data compare and verify the received map data and POI data with actual information to map the map information and the POI DB 431 of the map DB 421. Update, add, modify, and delete POI information of).

An update method of POI information and map information through a wired or wireless network by the system of the present invention configured as described above will be described in more detail with reference to FIGS. 3 and 4 as follows.

3 is a flowchart illustrating a method of updating POI information and map information through a wired or wireless network according to an embodiment of the present invention, and FIG. 4 is a flowchart illustrating a method of updating POI information and map information in an information center according to an embodiment of the present invention. to be.

An update system of the present invention comprising a GPS terminal for receiving location data for indicating map and POI information from a GPS satellite, and an information center for receiving location data from the GPS terminal via a wireless network and updating a map DB and a POI DB. The method first, the GPS terminal transmits a coordinate request signal to the GPS satellites (S100), and receives the GPS coordinates of the point where the terminal is located from at least one GPS satellite (S110).

In this case, the GPS terminal having received the GPS coordinates may display a point corresponding to the coordinates on a monitor of the terminal on a map so that the user may check the position. The user who confirms the position corresponds to the GPS coordinates. The additional data which is detailed information of the point to be input is input (S120).

The step of inputting the additional data may include linear, newly established roads and tunnels, U-turns, one-way streets, left-turning bans, right-turning bans, overpasses, underground roads, straight road bans, intersection traffic methods, and general traffic systems. It is to input different traffic method, temporary construction period, etc., and when POI information is displayed, it means to input address change, location shift, telephone number change, trade name change, major feature change, parking number, etc.

In addition, in the case of POI information, input of clear information such as whether the point indicated by the measured coordinate is an entrance point or a parking lot is required.

Next, the GPS terminal determines whether the input of the additional data is completed (S130), and if the input is not completed, feeds back to the input step (S120) of the additional data, and when the input of the data is completed, the user inputs the data. It is determined whether or not the transmission request whether to transmit to the information center (S140).

In this case, when the user does not want to transmit data, the GPS terminal stores the data indicating the map information and the POI information in the memory of the GPS terminal (S160), and transmits the location data and the additional data through a wireless network when requesting data transmission. By transmitting to the information center to update the information of the map DB and POI DB (S150).

The map information and the POI information stored in the memory of the GPS terminal may be wirelessly transmitted through the GPS terminal when the user requests data transmission, or may be transmitted to the information center through a wired or wireless network using a terminal capable of wired / wireless data communication. have.

Meanwhile, the process of updating the map DB and the POI DB in the information center is described below with reference to FIG. 4.

First, when an update of map information and POI information is requested from the GPS terminal and the terminal capable of wired / wireless data communication to the information center through the wired / wireless network (S200), the information center equips the requested GPS terminal and the terminal capable of wired / wireless data communication. By authenticating or requesting the user to input personal information, the user is authenticated according to the input of the personal information (S210).

In this case, the step of requesting the update of the map information and the POI information (S200) includes the step of requesting wireless transmission of the location data measured using the GPS terminal directly from the GPS terminal to the information center together with additional information, and using the GPS terminal. It refers to any one of the steps of measuring the location data stored in the memory and requesting transmission by accessing the information center through a wired or wireless network using a separate terminal capable of wired and wireless data communication.

If the user authentication is successful according to the authentication process as described above, the information center receives the map data and POI data from the GPS terminal through the wireless network, or permits the access of the terminal capable of other wired / wireless data communication and is input through the wired / wireless network. Data and POI data are received (S220).

At this time, if the user authentication fails in the authentication process, the information center transmits an authentication failure message to the GPS terminal and other terminals capable of wired / wireless data communication and performs re-authentication, and does not allow data transmission from the failed authentication user. It would be desirable not to.

The information center receiving the map data and the POI data as described above determines whether to input the additional data (S230), and when there is a request for input of the additional data, inputs the additional information which is detailed information for explaining the map data and the POI data. In operation S240, if data is input, it is determined whether the input is completed (S250). If the input is not completed, the feedback is fed back to the process of determining whether additional data is input (S230).

On the other hand, it is preferable that the information center allows a user to select any one of various classifications such as a gas station, a charging station, a repair shop, an apartment, a hospital, an educational institution, and a restaurant when new input of POI data is performed.

Next, when the input of the data is completed, the received GPS coordinates, that is, the location data and additional data for explaining the location are compared and verified with the actual information (S260) and the existing map DB and reflecting the reflected map information and POI information. Update the POI DB (S280).

In this case, the comparison verification process of the data is performed by the system provider, and receives the GPS coordinates using the GPS terminal at the site where the update information is received and re-measures the position data to determine whether the received data and the re-measured data match. Check (S270), if there is a deviation is corrected (S290) it is preferable to go through a check operation taking into account the GPS measurement error of the general public rather than the system provider side.

Accordingly, the system and method of updating the POI information and the map information through the wired / wireless network of the present invention enables the transmission of the map data and the POI data to the information center through the wired / wireless network, thereby producing time and time in the production and updating of the map data and the POI data. In addition, it overcomes geographical constraints, facilitates investigation, increases work efficiency, and enables active participation of not only system operators but also users with GPS terminals, enabling faster and more accurate updates and reducing costs and manpower. Therefore, there is an advantage that the correct route can be guided according to the map information and the POI information by the quick update.

Claims (10)

Receiving location data from a GPS satellite and enabling wired and wireless data communication, and receiving map data and point of interest (POI) data including the location data from the GPS terminal via wired and wireless networks, and receiving map information and POI information. Update system of POI information and map information through wired and wireless networks, characterized in that the information center for adding, modifying, deleting to update the map DB and POI DB. The GPS terminal of claim 1, further comprising: a GPS receiver for receiving location data from a GPS satellite, an additional data input unit for inputting detailed information corresponding to the received location data, and the location data and the additional data. POI information through a wired / wireless network comprising a data storage unit for storing in a memory and a wireless data modem for transmitting map data and POI data including the location data and additional data to a clearinghouse through a wireless network; Update system of map information. The system of claim 1, wherein the GPS terminal is any one of a computer, a laptop, a PDA, and a mobile phone capable of wired and wireless data communication. According to claim 1, wherein the information center is an update management server for receiving map data and POI data from the GPS terminal via a wired or wireless network and user authentication, and a map server for receiving map data from the update management server to update the map DB And a POI server receiving POI data from the update management server and updating the POI DB. A system consisting of a GPS terminal receiving location data for indicating a map and a point of interest from a GPS satellite, and an information center receiving location data from the GPS terminal via a wireless network and updating the map DB and the POI DB. As an update method of map information and POI information of, Receiving, by the GPS terminal, a GPS coordinate of a point where the GPS terminal is located from at least one or more GPS satellites receiving the coordinate request signal by transmitting a coordinate request signal to a GPS satellite; Inputting, by the GPS terminal, additional data which is detailed information of a point corresponding to the GPS coordinates; Transmitting the additional data to the GPS terminal to the information center through the wireless network together with the GPS coordinates; And Receiving, by the information center, map information and POI information including the GPS coordinates and additional data to update a map DB and a POI DB; Update method of POI information and map information through a wired or wireless network, characterized in that made. The method of claim 5, wherein updating the map DB and the POI DB, Authenticating a user according to a request for updating map information and POI information from a GPS terminal; Receiving map information and POI information including location data and additional data through a wireless network from the GPS terminal when the user authentication is completed; Updating the map DB and the POI DB by reflecting the received map information and the POI information. The method of claim 5, further comprising the steps of: when the GPS terminal receives the GPS coordinates of the point where the GPS terminal is located from the GPS satellite, displaying the point indicated by the received coordinates on a map and displaying the point on the monitor of the GPS terminal. Method for updating POI information and map information through a wired or wireless network characterized in that. A GPS terminal for receiving location data for representing a map and POI from a GPS satellite and storing the location data in a memory; and an information center for receiving location data stored in a memory of the GPS terminal through a wired or wireless network and updating a map DB and a POI DB. As the updating method of the map information and POI information of the made system, Transmitting a coordinate request signal to a GPS satellite to receive GPS coordinates of a point where a GPS terminal is located from at least one GPS satellite receiving the coordinate request signal; Storing the received GPS coordinates in a memory of a GPS terminal; Transmitting GPS coordinates stored in a memory of the GPS terminal and additional data input by a user from a terminal capable of wired / wireless data communication to an information center through a wired / wireless network; And Updating the map DB and the POI DB by receiving map information and POI information including the GPS coordinates and additional data through a wired or wireless network, and updating the map DB and the POI DB. . The method of claim 8, wherein updating the map DB and the POI DB comprises: Authenticating a user according to a request for updating map information and POI information from a terminal capable of wired and wireless data communication; Receiving map information and POI information, including location data stored in a memory and additional data input by a user, from a GPS terminal when the user authentication is completed through a wired / wireless network; Updating the map DB and the POI DB by reflecting the received map information and the POI information. The method of claim 8, further comprising the steps of: when the GPS terminal receives the GPS coordinates of the point where the GPS terminal is located from the GPS satellites, displaying the point indicated by the received coordinates on a map and displaying the point on the monitor of the GPS terminal. Method for updating POI information and map information through a wired or wireless network characterized in that.