KR20080003150A - Method and apparatus for providing 3-dimension location based service - Google Patents

Abstract

A method and an apparatus for providing a three dimensional location based service are provided to supply a terminal having an altitude measurer with detail three-dimensional location information in real time, thereby satisfying various service desires of a service user. From a mobile terminal, a location information request signal including altitude information and target information of the mobile terminal is received(S512,S516). By using two-dimensional location information and the altitude information of the mobile terminal, three-dimensional location information is calculated(S522). Three-dimensional location information of a target is obtained. The three-dimensional location information of the mobile terminal and the target is transmitted to the mobile terminal.

Description

Method and apparatus for providing three-dimensional location based service {Method and apparatus for providing 3-dimension location based service}

1 is a block diagram of a 3D location-based service providing system according to an embodiment of the present invention

Figure 2 is a block diagram showing in detail the configuration of the 3DLS according to an embodiment of the present invention.

Figure 3 is a block diagram showing in detail the configuration of the 3DMS according to an embodiment of the present invention.

Figure 4 is a block diagram showing the internal configuration of the altimeter mounted terminal according to the present invention.

5 is a flowchart illustrating a 3D location based service providing process according to an embodiment of the present invention.

6 is a flow chart of a parking confirmation service providing process according to the present invention.

7 is a flowchart illustrating a 3D location based service providing process according to an embodiment of the present invention.

8 is a flowchart illustrating a 3D location based service providing process according to another embodiment of the present invention.

* Explanation of symbols on the main parts of the drawing

100: 3D location providing device 3DLS (3 Dimension Location Server)

200: 3D map providing device 3DMS (3 Dimension Map Server)

300: location based service providing device LBS (Location Based Service)

400: Gateway Mobile Location Center (GMLC)

500: altimeter mounted terminal

The present invention relates to an apparatus and method for providing a 3D location based service, and more particularly, to an apparatus and method for providing a real time 3D location based service using altitude information.

In general, a location based service (LBS) refers to an additional service provided based on an object and a subject's current location. The most representative location-based service may be a friend search service or a navigation service provided by domestic mobile phone providers. As such, location-based services are currently one of the most active killer applications in mobile networks.

Currently, mobile communication networks adopt various standards capable of high-speed data transmission such as HSDPA and Wibro, and thus, various high-speed multimedia services are enabled.

In addition, the mobile communication terminal includes a processor and a high memory capacity to support a high processing speed, including various additional devices including GPS, to accommodate various multimedia contents.

However, the current location-based services provided by mobile operators only provide two-dimensional flat information, but do not provide three-dimensional location information, including detailed location information inside the building (eg, the 13th floor elevator of the KTF headquarters building). There was a problem.

In addition, there is a problem that has a structure that is inconvenient to guide the route to the destination moving in real time.

In order to solve the problems of the prior art as described above, an object of the present invention is to propose an apparatus and method for providing a 3D location-based service in real time using altitude information of a mobile terminal.

In order to achieve the above object, according to an embodiment of the present invention, a method for providing a three-dimensional location-based service to a mobile terminal as a device interworking with a communication network, the altitude information of the mobile terminal from the mobile terminal And receiving a location information request signal including target information. Calculating three-dimensional location information by using the two-dimensional location information and the altitude information of the mobile terminal; Acquiring three-dimensional location information of the target; And transmitting 3D location information of the mobile terminal and the target to the mobile terminal.

According to another aspect of the present invention, a method for providing a 3D location-based service in a device connected to a mobile terminal and a 3D map server through a communication network, the method comprising: receiving a final location information request signal from the mobile terminal; Performing session establishment and authentication confirmation of the mobile terminal; Extracting the final three-dimensional position information of the mobile terminal from a database, wherein the final three-dimensional position information is calculated using the final altitude information and the final two-dimensional position information of the mobile terminal; Transmitting a detailed location information request signal including the extracted information to the 3D map server; Receiving a detailed location information response signal including detailed location information from the 3D map server, wherein the detailed location information indicates a 3D location of the mobile terminal corresponding to a predetermined target; And transmitting a parking location information response signal including the detailed location information to the mobile terminal.

According to another aspect of the present invention, in a system for providing a location-based service to a mobile terminal through a communication network, receiving a location information request signal including the altitude information and target information of the mobile terminal from the mobile terminal, the mobile Three-dimensional position information is calculated using the two-dimensional position information of the terminal and the altitude information, and the three-dimensional position information of the mobile terminal and the target is obtained by transmitting the three-dimensional position information of the mobile terminal and the target to the mobile terminal. Location server; And a 3D map server which provides 3D map information and 3D detailed location information to the mobile terminal in association with the 3D location providing apparatus.

According to another aspect of the present invention, a device for providing a location-based service to a mobile terminal through a communication network, providing an interface with an external device connected to the device, the altitude information and target information of the mobile terminal from the mobile terminal Message router for receiving a location information request signal included; A three-dimensional position calculator which calculates three-dimensional position information by using the two-dimensional position information and the altitude information of the mobile terminal; A database for storing three-dimensional position information obtained for the target; And a main control unit for controlling 3D location information of the mobile terminal and the target to be transmitted to the mobile terminal.

According to another aspect of the present invention, an apparatus for providing a 3D location-based service to a mobile terminal through a communication network, the apparatus comprising: a database storing 3D map information; A message router that provides an interface with an external device and transmits the 3D map information at the request of the mobile terminal; A main control unit processing a control message received from the message router and performing resource management and scheduling; And a three-dimensional unit connected to the main controller and calculating three-dimensional detailed position information of the mobile terminal corresponding to a predetermined target based on the three-dimensional position information calculated using the altitude information and the two-dimensional position information of the mobile terminal. Provided is a 3D map providing apparatus including a location determiner.

According to another aspect of the present invention, a mobile terminal receiving a 3D location-based service from a device connected through a communication network, comprising: an altitude measuring unit for measuring the altitude of the mobile terminal; A modem chip that transmits a location information request signal including the measured altitude information and target information to the device; A map database for storing three-dimensional map information; And an application software unit for mapping the 3D location information onto the 3D map information when the 3D location information of the mobile terminal and the target is received from the device, wherein the 3D location information of the mobile terminal includes: A mobile terminal calculated using two-dimensional location information of the mobile terminal and the altitude information is provided.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same components have the same number as much as possible even if displayed on different drawings. Hereinafter, a preferred embodiment of a method and apparatus for providing a 3D location based service according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a 3D location-based service providing system according to an embodiment of the present invention.

As shown in FIG. 1, the 3D location-based service providing system according to the present invention includes a 3D location providing apparatus 100, a 3D map providing apparatus 200, an LBS (Location Based Service, 300), and a GMLC (Gateway). The mobile location center 400 and the map information manager 700 may be connected to the altimeter-mounted terminal 500 through the communication network 600.

The 3D location providing apparatus (hereinafter, referred to as 3DLS) according to the present invention is a device for processing control signals and data related to a 3D location-based service, and in detail, using altitude information and 2D location information. Calculates the 3D location information and transmits the calculated location information to the service request terminal.

The 3D map providing apparatus 200 (hereinafter referred to as “3DMS”) is a device for providing 3D map information and 3D detailed location information, and in detail, manages 3D map information to be downloaded to a service request terminal, and 3DLS Using the three-dimensional position information received from 100, the route information and the three-dimensional detailed position information are calculated.

In the present invention, the LBS 300 provides the 3DLS 100 with two-dimensional position information obtained from the positioning device of the mobile communication system.

The GMLC 400 transmits location information (for example, latitude / longitude information, which is two-dimensional location information) received from a location acquisition system of a mobile communication network to the LBS 300, and transmits a location information service related message of the terminal to the 3DLS (3). 100) and the LBS 300, or receives the control message and data from the 3DLS (100), 3DMS (200), LBS (300) and transmits to the mobile communication terminal through the communication network (600).

The altimeter-equipped terminal 500 (hereinafter referred to as a service request terminal) is connected to the 3DLS 100 through the communication network 600 to receive a 3D location-based service and has an altitude measurement function.

According to an exemplary embodiment of the present invention, when the service request terminal 500 requests a 3D location-based service by designating a target, the 3DLS 100 receives the 2D location information and the altitude information of the service request terminal 500. Calculate the three-dimensional position information by using.

The 3D location-based service may include navigation and parking location services. In particular, the navigation service may be implemented in various ways depending on the characteristics of the target and whether the 3D map information is downloaded by the service request terminal 500.

According to the characteristics of the target, the 3D location information of the target may be obtained from the 3DMS 200 or calculated in the 3DLS 100 using the altitude information and the 2D location information of the target.

Here, the target may be a fixed building or a terrain, or alternatively, may be a mobile communication terminal (hereinafter, referred to as a “target terminal”) of another user who is moving.

For example, when the service request terminal 500 downloads the 3D map information and the target is a fixed building, the 3DLS 100 may request detailed information of the building obtained from the 3DMS 200 and the internally calculated service request. The navigation service may be provided using 3D location information of the terminal 500.

On the other hand, if the target is a mobile terminal, the 3DLS 100 establishes a session with the target terminal and then uses the altitude information received from the target terminal and two-dimensional position information provided from the LBS 300 to determine the three-dimensional position information of the target terminal. Can be calculated.

The communication network 600 may include a terrestrial LBS network, a WiBro network, a mobile communication network, and an RFID network, and provides a bearer for wireless communication to a terminal.

The map information manager 700 serves to maintain the 3D map information and the detailed information of the building required to provide the 3D location-based service.

Here, the detailed information of the building is the information that the map information manager 700 obtains the detailed internal structure and tenant information of the building from the landlord, and then structured the data so that it can be easily searched and stored in the database of the 3DMS 200. Can be

2 is a block diagram showing in detail the configuration of the 3DLS 100 according to an embodiment of the present invention.

As shown in FIG. 2, the 3DLS 100 according to the present invention includes a message router 110, a memory processor 120, a database 130, a main controller 140, a priority processor 150, and a session manager ( 160, an authentication and charging processor 170, a 3D location information manager 180, and a location unit 190.

The database 130 is obtained from the authentication and billing database 132 storing the authentication and billing information of the terminal, the 3D location database 134 and the LBS 300 storing the 3D location information calculated by the positioning unit 190. It may include a two-dimensional location database 136 is stored the two-dimensional location information of the terminal.

The message router 110 transmits and receives a control message and data to and from the 3DMS 200, the LBS 300, and the GMLC 400 interworking with the 3DLS 100.

The memory processor 120 accesses the database 130 according to the control signal from the main controller 140, and performs a data transmission / reception function to the message router 110.

The main controller 140 performs a resource allocation and control function in the 3DLS 100, and in particular, performs a control message processing function with external devices (eg, the 3DMS 200 and the LBS 300).

The priority processor 150 determines the priority according to the service grade and service type (eg, emergency call) of the terminals currently being serviced, and provides the determined priority information to the main controller 140.

The provided priority information may be used by the main controller 140 for scheduling of all mobile terminals in service.

The session manager 160 performs a session establishment and release function between the terminal requesting the 3D location-based service and the target terminal.

The authentication and charging processing unit 170 performs an authentication procedure of the mobile terminal, and performs a function of calculating and storing charging information for a service provided at the end of the service.

The 3D location information manager 180 manages 3D location information of the service request terminal, and in particular, when the service request terminal requests a final location corresponding to a specific target, the 3D location database 134 searches for a service request. And a function of acquiring the final three-dimensional position information of the terminal.

The positioning unit 190 calculates 3D location information, and in detail, 3D using the 2D location information obtained from the LBS 300 and the altitude information received from at least one of the service request terminal 500 and the target terminal. Calculate the dimension location information. The calculated 3D location information may be provided to the 3D location information manager 180 or stored in the 3D location database 134.

Here, the 3D location information may include latitude / longitude / altitude information or x / y / z (x: horizontal, y: vertical, z: height) used as coordinate information mapped to the 3D map.

3 is a block diagram showing in detail the configuration of the 3DMS 200 according to an embodiment of the present invention.

As shown in FIG. 3, the 3DMS 200 according to the present invention includes a message router 210, a memory processor 220, a database 230, a main controller 240, a three-dimensional positioning unit 250, and three. The dimensional map provider 260, a path calculator 270, and a voice and text converter 280 may be included.

The database 230 may include three-dimensional detailed location information of the building and the terrain (eg, when latitude / longitude / altitude is 36.5 / 124/150, respectively, and the three-dimensional detailed location information is matched with 'Jamsil Lotte Department Store 8th Floor Baby Clothing Store'). The detailed location database 232 may include a detailed location database 232 stored therein, a three-dimensional map database 234 storing three-dimensional map images, and a route database 236 storing route information calculated by the route calculation unit 270.

The message router 210 transmits and receives control messages and data to the 3DLS 100 and the GMLC 400 interworking with the 3DMS 200.

The memory processor 220 accesses the database 230 according to a control signal from the main controller 240, and transmits and receives data with the message router 210.

The main controller 240 performs a resource allocation and control function in the 3DMS 200, and in particular, performs a control message processing function with external devices (eg, the 3DLS 100 and the GMLC 400).

According to an embodiment of the present invention, when the service request terminal 500 stores map information, the 3D location information calculated by the positioning unit 190 may be provided, and the 3D location information may be transferred to the map. The mapping may be performed in the service request terminal 500.

However, according to another embodiment of the present invention, mapping of the 3D location information may be performed in the 3DMS 200.

The 3D location determiner 250 extracts 3D detailed location information (eg, Jamsil KTF head office 13th floor elevator) corresponding to the 3D location information and the target information received from the 3DLS 100 from the detailed location database 232. do.

Here, the extracted 3D detailed location information may be transmitted to the voice and text converter 280.

The 3D location determiner 250 generates 3D mapping information for the target terminal when the service request terminal or the target is a mobile terminal.

Here, the three-dimensional mapping information is the three of the service request terminal and the target on the map information by using the map information received from the 3D map provider 260 and the 3D location information calculated by the 3DLS 100. It can be calculated through mapping the dimensional position.

The 3D map provider 260 performs a function of searching and providing 3D map information. In detail, the 3D map provider 260 may include a main controller 240, a 3D location determiner 250, and According to the request received from the route calculation unit 270, 3D map information corresponding to the request is extracted from the 3D map database 234, and the extracted information is provided to each request unit.

The route calculator 270 calculates the shortest route and the recommended route using the 3D location information and the 3D map information of the service request terminal and the target, and the calculated route is stored in the route database 236.

The voice and text converter 280 changes the 3D detailed location information received from the 3D location determiner 250 into a voice or text message and stores the changed message in the detailed location database 232.

Figure 4 is a block diagram showing the internal configuration of the altimeter mounted terminal according to the present invention.

As described above, the altimeter-mounted terminal may be a service request terminal or may be a corresponding target terminal when the target is a mobile terminal.

The altimeter mounted terminal 500 includes an RF module 510, a modem chip 520, an altitude measuring unit 530, an application software unit 540, a 3D map database 550, a voice processing unit 560, and a 3D graphic. It may include a processing unit 580 and a display unit 590.

The RF transmitter / receiver 510 transmits a signal received from the modem chip 520 on a radio frequency, or converts a signal received wirelessly into a baseband signal.

The modem chip 520 converts the signal received from the RF transmitter 510 and the message received from the application software 540 into a baseband signal.

The altitude measuring unit 530 calculates a current altitude information of the terminal.

The application software unit 540 processes a control message and data transmitted and received in a system for providing a 3D location based service.

The 3D map database 550 stores data received from the 3DMS 200.

The voice processing unit 560 plays a function of playing the voice guidance message received from the 3DMS 200.

The speaker 570 amplifies the voice signal processed by the voice processor 560.

The 3D graphic processor 580 includes a function of mapping 3D location information received from the 3DLS 100 onto a map stored in the 3D map database 550 and a function of processing route information received from the 3DMS 200. do.

The display unit 590 displays an image signal processed by the 3D graphic processor 580.

5 is a flowchart illustrating a process of providing 3D location information according to an embodiment of the present invention.

In the present invention, Figure 5 is largely composed of four steps, each step is a session establishment and authentication procedure step (hereinafter referred to as "step A"), the step of the service request terminal to download the 3D map information (hereinafter referred to as 'Step B'), calculating three-dimensional location information, transmitting the calculated information to the service requesting terminal (hereinafter referred to as 'step C'), and a series of procedures performed at the end of the navigation service. It consists of a stage (hereinafter referred to as 'step D'). Next, the four steps described above will be described in detail.

In FIG. 5, the target information is a fixed object (eg, a terrain or a building), and a separate session is not set up for calculating 3D location information of the target.

In operation 504, when a user presses a navigation start button, a radio bearer is established between the service request terminal and the communication network 600, and the service request terminal transmits a navigation service request message including the target information to the 3DLS 100. Send.

In steps 506 to 508, when the 3DLS 100 receives the navigation service request message from the service request terminal, the 3DLS 100 sets up a session for providing the 3D location-based service, and determines whether the terminal is capable of providing the 3D location-based service. Perform an authentication procedure to determine.

In step 510, the 3DLS 100 retrieves the URL of the 3DMS 200 to which the service is to be provided from the internal database, and transmits a 3DMS URL indication message including the retrieved URL information of the 3DMS 200 to the service request terminal.

In operation 511, the service request terminal accesses the received URL, downloads the 3D map information, and stores the 3D map information in the 3D map database 550.

In operation 512, the 3DLS 100 transmits a detailed location information request signal including the received target information to the 3DMS 200.

In steps 513 to 514, the 3DMS 200 extracts 3D detailed location information corresponding to the target information from the database 230 and transmits the detailed location information response signal including the extracted information to the 3DLS 100. do.

In step 515 to step 516, the terminal starts the altitude measurement in the internal altitude measurement unit 530, and transmits a location information request message including the measured altitude information to the 3DLS (100).

In steps 518 to 520, the 3DLS 100 transmits a 2D location information request signal including identification information of the UE to the LBS 300, and the LBS 300 transmits 2D location information corresponding to the information of the UE. The extracted 2D location information response signal including the extracted 2D location information of the terminal is transmitted to the 3DLS 100.

In operation 522, the 3DLS 100 calculates 3D location information by using the obtained 2D location information and the altitude information.

In step 524, the 3DLS 100 transmits a 3D location information response message including the calculated 3D location information to the service request terminal.

In operation 526, the service request terminal maps and displays the received 3D location information.

Steps 514 to 526 are repeated until the user of the service request terminal presses the end button.

Here, as described above, since the target is a fixed object, the 3DLS 100 only needs to acquire three-dimensional detailed position information about the target only once.

In steps 528 to 532, when the user presses the end button, the service request terminal transmits an end request message including the current altitude information to the 3DLS 100, and terminates the altitude measurement operation.

In step 534 to step 536, when the 3DLS 100 receives the termination request message, the 3DLS 100 obtains two-dimensional position information from the LBS 300 as in step 518 to step 520 described above.

In steps 538 to 540, the 3DLS 100 calculates the 3D location information by using the altitude information included in the termination request message and the 2D location information received from the LBS 300, and calculates the final 3D location information of the calculated service request terminal. Three-dimensional position information is stored in the three-dimensional position database 134.

The final 3D location information of the terminal stored in the 3D location database 134 of the 3DLS 100 may be used in the parking location service shown in FIG. 6.

In steps 542 to 544, the 3DLS 100 releases the session established with the terminal and calculates billing information for the provided service and stores the billing information for the provided service in the internal authentication and billing database 134.

6 is a flowchart illustrating a process of providing a parking position determining service according to the present invention.

In step 602 to step 604, when the service request terminal user presses the parking location checking service button, a radio bearer is set between the terminal and the communication network 600, and the terminal sends the parking location information request message to the 3DLS 100. Send.

In step 606, when the 3DLS 100 receives the parking location information request message from the service request terminal, the 3DLS 100 performs the step A-session setting and authentication procedure described above with reference to FIG. 5.

In steps 608 to 610, the 3DLS 100 extracts the final 3D location information of the service request terminal stored at the end of the navigation service from the 3D location database 134 and requests the detailed location information including the final 3D location information. Send a message to the 3DMS (200).

In steps 612 to 614, the 3DMS 200 refers to the detailed location database 232 to determine 3D detailed location information of the parked car corresponding to the final 3D location information.

The detailed location information response message including the determined information is transmitted to the 3DLS 100. The retrieved detailed parking location information may be converted into a voice or text message through the voice and text converter 280.

In step 616, the 3DLS 100 transmits a parking location information response message including the detailed parking information location information to the terminal.

In operation 618, when the terminal receives the parking location information response message, the terminal maps the detailed parking location information to the map information of the internal 3D map database for display. However, if the detailed parking position information is a voice message, it is reproduced through the voice processing unit 560 of the terminal.

In operation 620, when the service request terminal user presses a service termination button, the terminal transmits a parking location service termination message to the 3DLS 100.

In operation 622, when the 3DLS 100 receives the parking location service termination message, the 3DLS 100 releases the session established with the terminal, calculates billing information, and stores the calculated billing information in the authentication and billing database 132.

7 is a flowchart illustrating a process of providing 3D location information according to an embodiment of the present invention.

FIG. 7 illustrates route information to a service request terminal when a target designated by a service request terminal is a fixed object (for example, a building or a place name) and does not download a 3D map in a system for providing a 3D location-based service. It shows how to provide.

In operation 704, when the user of the service request terminal presses a start button, a radio bearer is established between the terminal and the communication network 600, and the service request terminal transmits a navigation service request message including information of a target to the 3DLS 100. To send).

In step 706, when the 3DLS 100 receives the navigation service request message from the terminal, the 3DLS 100 performs the step A-session setting and authentication procedure described above with reference to FIG.

In step 708 to step 710, the terminal starts the altitude measurement in the internal altitude measurement unit 530, and transmits a route information request message including the measured altitude information to the 3DLS (100).

In steps 712 to 714, the 3DLS 100 transmits a 2D location information request signal including identification information of the terminal to the LBS 300, and the LBS 300 corresponds to the 2D location information corresponding to the identification information of the terminal. Extracts and transmits the 2D location information response signal including the extracted 2D location information to the 3DLS 100.

In operation 716, the 3DLS 100 calculates 3D location information by using 2D location information (eg, latitude and longitude) and altitude information of the terminal.

In operation 718, the 3DLS 100 transmits a detailed location information request message including the calculated 3D location information and the target information to the 3DMS 200.

In operation 720, the 3DMS 200 calculates the shortest path using the 3D location information and the target information of the terminal.

In this case, the shortest path may be calculated by the path calculator 270 through 3D map information stored in the 3DMS 200, which may be mapped to 3D map information and stored in the path database 236.

In operation 722, the 3DMS 200 transmits the detailed location information response signal including the shortest path to the 3DLS 100.

In step 724, the 3DLS 100 transmits a path information response message including the shortest path information to the service request terminal.

In operation 726, the 3D graphic processor 580 of the service request terminal converts the received shortest path information into an image signal, and the display unit 590 displays the image signal.

Step E is repeated until the service request terminal user presses the navigation service end or parking button.

In step 728, when the user presses the navigation service termination or parking button, the user performs the above-described step D-navigation service termination procedure in FIG.

In step 728, when the terminal presses the parking button, the final location information of the terminal stored in the 3DLS (100) is used for the parking location service.

FIG. 8 is a flowchart illustrating a method of providing a 3D location-based service when a target is not a fixed mobile terminal (hereinafter referred to as a second terminal) according to another exemplary embodiment of the present invention.

In operation 802, the service request terminal (hereinafter referred to as 'first terminal') transmits a navigation service request signal including identification information of the second terminal to the 3DLS 100.

In step 804, a session establishment and authentication confirmation procedure of the first terminal is performed.

In step 806, using the identification information of the second terminal received from the first terminal, a session establishment and authentication confirmation procedure of the second terminal is performed.

In operation 808, the 3DLS 100 transmits a 3D location information service acceptance request signal including identification information of the first terminal to the second terminal for privacy protection of the second terminal.

At this time, the user of the second terminal checks the identification information of the first terminal, and determines whether to accept the service request of the first terminal.

In operation 810, when the user of the second terminal determines to accept the service request, the second terminal transmits a service acceptance response signal informing the 3DLS 100 of the service acceptance.

In step 812, the 3DLS 100 determines whether to provide 3D map information to the first terminal. As a result of the determination, if transmission of the 3D map information is required to the first terminal, step B described above with reference to FIG. 5 is performed.

Step F shown in FIG. 8 includes steps 814 to 848, which are described below.

In operation 814, the first terminal starts the current altitude measurement by the altitude measuring unit 530.

In operation 816, the first terminal transmits a detailed location information request signal including the measured altitude information to the 3DLS 100.

In steps 818 to 820, the 3DLS 100 obtains 2D location information of the first terminal from the LBS 300.

More specifically, the 3DLS 100 transmits a 2D location information request signal including the identification information of the first terminal to the LBS 300. The LBS 300 extracts 2D location information corresponding to the identification information of the first terminal and transmits a 2D location information response signal including the extracted 2D location information to the 3DLS 100.

In operation 822, the 3DLS 100 calculates 3D location information of the first terminal using the altitude information received from the first terminal and the 2D location information of the first terminal received from the LBS 300.

In operation 824, the 3DLS 100 transmits a detailed location information request signal including the calculated 3D location information of the first terminal to the 3DMS 200.

In operation 826, the 3DMS 200 extracts detailed location information corresponding to the received 3D location information of the first terminal.

In operation 828, the 3DMS 200 transmits a detailed location information response signal including the extracted 3D detailed location information of the first terminal to the 3DLS 100.

In steps 830 to 844, the operations and procedures described above in steps 814 to 828 are performed to the second terminal.

In operation 846, when the 3DLS 100 receives the detailed location information of the first terminal and the second terminal, the 3DLS 100 transmits a detailed location information response signal including the detailed location information to the first terminal.

In operation 848, the first terminal performs mapping using the received detailed location information and displays the mapped information.

Referring to step 848, the application software unit 540 of the first terminal receives the detailed location information response signal through the RF transmitter / receiver 510 and the modem chip 520, and is extracted from the 3D map database 550. The 3D detailed location information of the first terminal and the second terminal is mapped onto the 3D map information, and the mapped information is transmitted to the 3D graphic processor 580.

The 3D graphic processor 580 converts the received information into an image signal and then displays the information on the display unit 590.

Step F is repeatedly performed until the first terminal makes a service termination request.

In step 850, step D described above in FIG. 5 is performed for the first terminal.

In step 852, step D described above in FIG. 5 is performed for the second terminal.

Preferred embodiments of the present invention described above are disclosed for purposes of illustration, and those skilled in the art will be able to make various modifications, changes, and additions within the spirit and scope of the present invention. Additions should be considered to be within the scope of the following claims.

As described above, according to the present invention, by providing more detailed three-dimensional position information in real time to the terminal equipped with the altitude measurement device, there is an advantage that can satisfy the various service needs of the service user.

In addition, according to the present invention, it is possible to provide the three-dimensional location-based service through a minimum interface change with the existing LBS system and operator communication network has the advantage that can maximize the economic effect.

Claims (16)

Claims [1] A method for providing a 3D location based service to a mobile terminal as a device interworking with a communication network. (a) receiving a location information request signal including altitude information and target information of the mobile terminal from the mobile terminal; calculating three-dimensional location information by using the two-dimensional location information and the altitude information of the mobile terminal; (c) acquiring three-dimensional location information of the target; And (d) transmitting 3D location information of the mobile terminal and the target to the mobile terminal; 3D location-based service providing method comprising a. The method of claim 1, Establishing and authenticating a session with the mobile terminal 3D location-based service providing method further comprising. The method of claim 1, The device is connected to a three-dimensional map server for storing three-dimensional map information, If it is determined that the mobile terminal needs to download 3D map information, extracting URL (Uniform Resource Locator) information of the 3D map server from an internal database; And The method may further include transmitting the extracted URL information to the mobile terminal. The mobile terminal accesses a 3D map server corresponding to the URL and downloads the 3D map information. The method of claim 3, After step (b), Transmitting a detailed location information request signal including the calculated 3D location information to the 3D map server; And Receiving the three-dimensional detailed location information calculated by the three-dimensional map server, The 3D detailed location information includes image information in which the 3D location information is mapped onto the 3D map information, and voice or text information in which information of a building or a terrain extracted according to the 3D location information is modified. And route information calculated corresponding to the three-dimensional location information. The method of claim 1, The device is connected to an LBS that provides two-dimensional location information, Prior to step (b) above, Transmitting a 2D location information request signal including information of the mobile terminal or a target to a location based service (LBS); And Receiving a 2D location information response signal including 2D location information of the mobile terminal or a target calculated from the LBS; 3D location-based service providing method further comprising. The method of claim 5, After step (c), Receiving a service termination request signal including final altitude information of the mobile terminal; Obtaining final two-dimensional location information of the mobile terminal from the LBS; Calculating final three-dimensional position information by using the final altitude information received from the mobile terminal and the final two-dimensional position information, and storing the calculated final three-dimensional position information in an internal database; Releasing a session established in the mobile terminal; And Calculating billing information for the service provided to the terminal and storing the calculated billing information in a database; 3D location-based service providing method further comprising. The method of claim 1, wherein when the target is a mobile terminal capable of measuring altitude, step (c) includes: Performing a session establishment and authentication procedure of the target; Performing a 3D location information service acceptance procedure of the target; Receiving a location information report signal including altitude information of the target; And Calculating three-dimensional location information by using altitude information of the target included in the location information report signal; 3D location-based service providing method comprising a. The method of claim 3, If the target is a fixed object, Step (c) is a step of obtaining three-dimensional location information of the target from the three-dimensional map server 3D location-based service providing method comprising a. An apparatus for providing location based service to a mobile terminal through a communication network, A message router providing an interface with an external device connected to the device, and receiving a location information request signal including altitude information and target information of the mobile terminal from the mobile terminal; A three-dimensional position calculator which calculates three-dimensional position information by using the two-dimensional position information and the altitude information of the mobile terminal; A database for storing three-dimensional position information obtained for the target; And Main control unit for controlling the 3D location information of the mobile terminal and the target to be transmitted to the mobile terminal 3D location-based service providing apparatus comprising. The method of claim 9, A session manager connected to the main control unit and performing a session establishment and release function according to a signal received from the mobile terminal 3D location-based service providing apparatus further comprising. The method of claim 9, The device is connected to a three-dimensional map server for storing three-dimensional map information, Further comprising a database for storing the URL of the 3D map server, When the main controller determines that the 3D map information needs to be downloaded to the mobile terminal, the 3D location-based service extracts URL (Uniform Resource Locator) information of the 3D map server from the database and transmits it to the mobile terminal. Provision device. The method of claim 9, The message router transmits the detailed location information request signal including the calculated 3D location information to the 3D map server, and receives the 3D detailed location information calculated by the 3D map server. The 3D detailed location information includes image information in which the 3D location information is mapped onto the 3D map information, and voice or text information in which information of a building or a terrain extracted according to the 3D location information is modified. And at least one of route information calculated corresponding to the 3D location information. The method of claim 9, 3D location providing apparatus, characterized in that connected to the LBS (Location Based Service) for providing two-dimensional location information. An apparatus for providing a 3D location based service to a mobile terminal through a communication network, A database in which three-dimensional map information is stored; A message router that provides an interface with an external device and transmits the 3D map information at the request of the mobile terminal; A main control unit processing a control message received from the message router and performing resource management and scheduling; And A three-dimensional position connected to the main control unit and calculating three-dimensional detailed position information of the mobile terminal corresponding to a predetermined target based on three-dimensional position information calculated using altitude information and two-dimensional position information of the mobile terminal; Decision 3D map providing device comprising. The method of claim 14, A voice and text converter for converting detailed 3D location information calculated by the 3D location determiner into a voice and a text message; And A path calculator connected to the main controller and calculating a path between the mobile terminal and the target; 3D map providing device further comprising. A mobile terminal receiving a 3D location based service from a device connected through a communication network, An altitude measuring unit measuring an altitude of the mobile terminal; A module chip for transmitting a location information request signal including the measured altitude information and target information to the device; A map database for storing three-dimensional map information; And When the 3D location information of the mobile terminal and the target is received from the device, including the application software for mapping the 3D location information on the 3D map information, The 3D location information of the mobile terminal is calculated using the 2D location information and the altitude information of the mobile terminal.

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