KR100802081B1 - Method and system for providing path service - Google Patents

Abstract

The present invention relates to a method and system for providing GPS-based location information. According to the present invention, a method for processing a route service request using a positioning server (PS) in a route service providing system including a WCDMA network includes: (a) receiving a request for providing location information from a route request terminal; (b) determining whether the route request terminal belongs to a 3G network; (c) if the route request terminal belongs to a 3G network, establishing a session between the positioning server and the route request terminal using access information to the positioning server; And (d) calculating the location of the route request terminal based on the GPS through the session establishment, and transmitting the calculated position result to the route request terminal. According to the present invention, there is an advantage that the location information can be efficiently provided to the subscriber belonging to the WCDMA network.

Route, Destination, Search, Positioning Server, MPC, LBS, Network Information, Access Information, Session

Description

METHOD AND SYSTEM FOR PROVIDING PATH SERVICE}

1 is a view showing the configuration of an LBS system according to the prior art.

2 is a view showing the configuration of a WARN according to the prior art.

3 is a diagram illustrating a configuration of a route service providing system according to an exemplary embodiment of the present invention.

4 is a view showing the configuration of a WARN according to an embodiment of the present invention.

5 is a flowchart illustrating a process of identifying a location of a route requester in a route service according to an exemplary embodiment of the present invention.

6 is a flow chart of a destination and route search process according to another preferred embodiment of the present invention.

7 is a flowchart illustrating a process of providing a route guide service according to an exemplary embodiment of the present invention.

The present invention relates to a method and a system for providing a route service. More particularly, the present invention relates to a method and a system capable of accurately tracking a location of a user requesting a route service in a WCDMA network as well as CDMA to provide optimal map information.

In the past, the mobile communication terminal was mainly used for a call, but recently, various additional functions such as text message transmission and large file transmission and reception are provided to the mobile communication terminal. Furthermore, various services are provided according to the location of the mobile communication terminal. Location-based services are provided.

Location Based Service (LBS) is a location information based system and service that utilizes mobile communication network such as mobile phone or PDA and IT technology. On the basis of this, not only product information but also traffic information and location tracking information are being applied throughout life.

For example, location-based services include traffic-related information such as driving convenience information, public transportation information path search and setting, and location tracking information includes location tracking, personal location information, and lost terminal tracking. In addition, the convenience information may include logistics, convenience services, telephone number services, local information, and the like, and the commerce information may provide services such as notification of desired products and location-based marketing / advertising.

Such a location-based service is in the spotlight in that it can be used to provide an optimal route to a current location and a destination when driving to a user having a mobile communication terminal, but in a system for providing a location-based service in the related art There are various problems in providing a route service. First, a conventional location information providing system will be described, and then a problem thereof will be described.

The route service is provided on a GPS basis, and FIG. 1 is a diagram illustrating an LBS system according to the prior art.

As shown in FIG. 1, a general mobile communication network may be classified into a CDMA network and a WCDMA network. The mobile communication terminal 100 belonging to the CDMA network may be a CDMA network including a base transceiver station (BTS) 102. The mobile communication terminal 110 connected to the WCDMA network is connected to the WCDMA network through the Node B 112.

Referring to Figure 1 will be described a conventional location information providing process.

PDE (Position Determination Entity, 104) performs a positioning function of the GPS terminal, that is, the mobile communication terminal 100 that supports the GPS function through interworking with the Global Positioning Management System (GPMS) 108, N-MPC (N The Mobile Positioning Center (106) performs a CDMA-based location positioning function by referring to information about a subscriber recorded in the Home Location Register (HLR) 114.

Meanwhile, in the WCDMA network, the GMLC (Gateway Mobile Location Center) 116 also performs the positioning function of the mobile communication terminal 110 belonging to the WCDMA network on a cell basis with reference to the HLR 114.

The location information performed through the above process is transmitted to a location based service platform (LBSP) 126 included in a network providing location information through the S-MPC 120 and the location based service platform. 126 provides the contents provider 128 to the location of the mobile communication terminals 100 and 110 belonging to the CDMA network or the WCDMA network, and at this time, the Geographic Information Service Platform (GISP) 124 is provided. Via map information may be provided to the content provider 128 together.

As shown in FIG. 1, in the case of requesting a route service in a conventional LBS system, a location information providing process is divided into a cell-based (network-based) and a GPS method according to a location positioning method, and a CDMA network and a WCDMA network. In addition, the system is divided and operated by network and positioning method.

However, when the system is distributed and operated by network and location method as described above, not only the system configuration for providing the location-based service is complicated, but also there is a problem in that it is impossible to calculate the exact location result of the subscriber who requested the route service.

On the other hand, Figure 2 is a view showing the configuration of the WARN according to the prior art, as shown in Figure 2, the wireless area reference network (WARN) is a GPS antenna 202, NTP (Network) to communicate with the satellite 200 Time Protocol (204), GPS receiver 206 and the WARN gateway 208 including a CDMA PDE (210) to perform time synchronization between the NTP (204) and CDMA PDE (210), wherein the WARN gateway ( 208 performs a function of broadcasting a satellite signal provided from the GPS receiver 206 to the PDE 210.

However, since the WARN as shown in FIG. 2 is applied only to the CDMA network, the WCDAM network cannot provide the location-based service based on GPS, and thus the CDMA network (2G network) of the WCDMA network (3G network) subscriber is not provided. When roaming, service processing procedures become complicated, and when subscribers belonging to 3G networks request location paths, quality deterioration is caused, and system is built up, and operation / maintenance cost is increased, and the functioning cost of unit positioning technology is increased. There was an increased problem.

In the present invention, to solve the problems of the prior art as described above, a method and system that can provide a GPS-based route services to CDMA and WCDMA network subscribers are proposed.

Another object of the present invention is to develop the technical requirements such as the function, performance and protocol specification of the system in providing the location information of the WCDMA network subscriber to utilize the GPS positioning function in the WCDMA network to efficiently locate the results of the route service request It is to provide a method and system that can be calculated by.

In order to achieve the above object, according to a preferred embodiment of the present invention, a method for processing a path service request using a Positioning Server (PS) in a path service providing system including a WCDMA network, (a) receiving a request for providing location information from a route request terminal; (b) determining whether the route request terminal belongs to a 3G network; (c) if the route request terminal belongs to a 3G network, establishing a session between the positioning server and the route request terminal using access information to the positioning server; And (d) calculating the location of the route request terminal based on the GPS through the session establishment, and transmitting the calculated position result to the route request terminal.

Preferably, the connection information includes URL and port information of the positioning server.

According to the present invention, the route service providing system includes a route service gateway and a GISP, and when there is a destination search request from the route request terminal, the route service gateway corresponds to a destination list corresponding to the requested destination from the GISP. It is preferable to further include receiving and transmitting to the path request terminal.

The route service providing system further includes a route service provider, and when the selection information for one of the destination lists is received, the route service provider further includes providing a route result corresponding to the selected destination. can do.

The method according to the present invention preferably further comprises repeating steps (b) to (d) when there is a route guidance service request from the route request terminal that has received the route result.

According to the present invention, resetting the session between the positioning server and the route request terminal according to the route guidance service request; And transmitting auxiliary information for position calculation to the route request terminal, wherein the route request terminal calculates first position information of the route request terminal using the assistance information.

The method may include receiving a map information request corresponding to the calculated first location information from the route request terminal; And transmitting map information corresponding to the first location information.

The route service providing system includes a location based service platform (LBSP) and a mobile positioning center (MPC), and transmits access information provided by the positioning server to the route request terminal through the LBSP and the MPC. It may further include.

According to another aspect of the present invention, a route service providing system for providing GPS-based location information in a 3G network, comprising: a route request receiver for receiving a route service request from a route request terminal; A location request receiver configured to receive a request for providing location information from the route request receiver; And a network determination unit determining whether the path request terminal belongs to a 3G network. When the route request terminal belongs to a 3G network, providing access information, establishing a session between the route request terminals using the access information, and calculating the position of the route request terminal based on GPS through the session setup. Provided is a route service providing system comprising a positioning server.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the route service providing method and system according to the present invention.

3 is a diagram illustrating a configuration of a route service providing system according to an exemplary embodiment of the present invention.

As shown in FIG. 3, the route service providing system according to the present invention may be classified into a mobile communication network including a CDMA network (2G network) and a WCDMA network (3G network), and a mobile communication terminal belonging to each network ( 300,301 to provide a GPS-based route services integrated.

First, referring to the CDMA network, the user equipment (UE) 300 is wirelessly connected to the mobile communication network through a base transceiver system (BTS) 302 and a base station controller (BSC, 304). Base station controller 304 is connected to a Mobile Switching Center (MSC) 308.

The base station performs a wireless connection with the mobile communication terminal 300 and a wired / wireless connection function between the mobile communication terminal 300 and the base station controller 304, and the base station controller 304 is provided between the base station 302 and the mobile communication exchange 308. It is in charge of base station management and control.

The mobile communication switch 308 is to provide mobile communication services to mobile communication subscribers, and has functions such as circuit switching between subscribers, incoming and outgoing relay processing, handoff, and roaming, and manages a VLR (Visitor Location Register) database.

Meanwhile, a Packet Data Serving Node / Inter-Working Function (PDSN / IWF) 306, which provides packet data service to a mobile communication terminal, is connected to a base station controller 304 to provide a Point-to-Point Protocol (PPP) session to a subscriber. Follow the setup, maintenance and shutdown process.

In the CDMA network, the PDSN / IWF 306 is connected to a Position Determination Entity (PDE) 310, and the PDE 310 has a function of receiving a GPS signal and performs position calculation of a mobile communication terminal 300 belonging to a CDMA network. In addition, the GPS-based location information of the calculated 2G network is provided to a mobile positioning center (MPC).

The MPC 318 may request location information of a specific mobile communication terminal from the PDE 310, receive and cache location information of the terminal calculated by the PDE 310, and receive location-based services. Manage the terminal's authentication and user profiles.

In addition, the MPC 318 may receive not only GPS-based location information, but also base station information in a 2G / 3G network from a dual gateway mobile location center (DGMLC) 316. In this case, the DGMLC 316 may be configured in a 2G network. It is connected to the MSC 308, the MSC 309 in the 3G network and the Home Location Register (HLR) 314, and transmits base station information of the 2G and 3G networks to the MPC 318.

Next, referring to the WCDMA network (3G network), the mobile communication terminal 301 belonging to the WCDMA network is connected to the radio base stations (Node B, 324), RNC (Radio Network Controller, radio network controller, 326) It processes the control signal transmitted from one radio base station 324, and controls radio access and handover.

In the WCDMA network, as in the CDMA network, the RNC 326 is connected to the mobile communication exchange 309 which manages the VLR database, and the mobile communication exchange 309 handles circuit traffic.

In the WCDMA network, packet data traffic is handled by a serving GPRS support node / gateway GPRS support node 328 connected to the RNC 326.

Meanwhile, the GPS-based location calculation process is performed in the CDMA network, but according to a preferred embodiment of the present invention, the GPS-based location calculation is performed by a positioning server (PS) 330 in the WCDMA network.

According to the present invention, the PS 330 includes a Location Service (LCS) client and a Location Service (LCS) Manager, belongs to a 3G network, and performs a process of establishing a session with a terminal requesting a route service, and requesting a route request terminal. The process of calculating the latitude and longitude information (location information) of.

As shown in FIG. 3, the PS 330 according to the present invention includes a global positioning management system (GPMS), a satellite navigation management system (332), a location based service operation and management (LBS O & M), and 336. And at least one wireless area reference network (WARN) 340 and 342 to calculate GPS-based location information of the route request terminal in the 3G network and provide the same to the MPC 318.

Here, the GPMS 332 is connected to the OSS Master Database (334), and the LBS O & M 336 is connected to the LBS O & M database server 338 so that the PS 330 needs information for calculating location information. To provide.

Here, WARN is to provide satellite information around the mobile communication terminal, but was conventionally provided only in the CDMA network, as shown in Figure 4, WARN according to the present invention WCDMA PDE 412 in addition to the CDMA PDE (406) It is possible to provide the reference information for calculating the GPS-based location information for the route request terminal belonging to the WCDMA network.

Meanwhile, according to an exemplary embodiment of the present invention, the route service for receiving a route service request to the LBSP 320 serving as a gateway between the route request terminal and the MPC 318 and the PS 330 for providing location information. When the gateway 322 and the route request terminal have been determined, the route service provider 325 providing route information may be connected.

In this specification, the path service gateway is a path request receiving unit in that it receives a path request, and the LBSP is a location request receiving unit in that it receives a location information request from the path service gateway, and the DGMLC is a network determining unit in that it determines network information. May be replaced by the term.

According to the present invention, the route request terminal requests a route service by a predetermined key signal, and a route service application for displaying a location of the route request terminal on a map using map information provided later may be installed.

When the subscriber requests the route service, the route service application accesses the route service gateway 322 and requests authentication of the route service. Accordingly, the route service gateway 322 requests the route to the authentication gateway 324. Query whether the subscriber who subscribes to the path service is a user.

The authentication process of the authentication gateway may be performed through a mobile directory number (MDN) of the route requesting terminal. When authentication is successful, the model information of the international mobile subscriber identity (IMSI) and the route requesting terminal is later added to the MPC 318. Can be sent to.

If the route service application succeeds in verifying the route service, the route service gateway 322 requests its own location information, and the route service gateway 322 requests the location information to the LBSP 320.

According to the present invention, since the DGMLC 316 has 2G and 3G base station information, the MPC 318 requests the subscriber's network information to the DGMLC 316 when there is a request for location information from the LBSP 320. The network information is received from the DGMLC 316.

If the subscriber is in the 3G network, the MPC 318 requests location information from the PS 330, where the PS 330 notifies the MPC 318 that it is ready to establish a session with the route request terminal.

When the session setup is ready, the PS 330 transmits PS information to the MPC 318, where the PS information means access information to the PS 330, and may include PS URL and port information. .

Thereafter, the PS information is transmitted to the route service gateway 322 through the MPC 318, and the route service application is interconnected with the PS 330 through such PS information.

Through the interconnection, the PS 330 may calculate the position of the route request terminal on a GPS basis, and the calculated position result is transmitted to the MPC 318, which transmits it to the route service gateway 322. .

According to the present invention, as described above, after the PS 330 confirms the user's location, that is, the location of the terminal requesting the route service, the route service application requests a page re-request, that is, a location result providing request, to the route service gateway 322. To send).

The route service gateway 322 may transmit the location result calculated by the PS 330 to the route service application, and thereafter, may receive a destination search request from the route service application.

If there is a destination search request, the route service gateway 322 according to the present invention may receive list information corresponding to the destination to the GISP 323 and transmit the destination list to the route service application.

Thereafter, the subscriber may select one of the corresponding destination lists, and the route service application requests the route service gateway 322 for a route to the destination selected by the subscriber.

According to the present invention, the route service gateway 322 may request the route service provider 325 for the route to the corresponding destination, receive the route result, and transmit the received route result to the route service application.

The route service application receiving the route result to the destination requests the route guidance service to the route service gateway, and the route service providing system according to the present invention, as described above, authenticates the route request terminal, confirms network information, and PS information. The session setting process and the location information calculation process are performed through the process, and the map information is transmitted according to the request of the route service application, and the route service application can perform the route guidance service through the map information corresponding to the location result of the route request terminal. Make sure

As described above, according to the present invention, since the PS 330 included in the route service providing system establishes a session for the route request terminal belonging to the 3G network and calculates location information based on GPS, the subscriber belonging to the WCDMA network It is possible to provide the correct route service to the.

 FIG. 5 is a flowchart illustrating a process of identifying a location of a route requester in a route service according to an embodiment of the present invention. .

Referring to FIG. 5, the route service application installed in the route request terminal transmits a route service authentication request to the route service gateway 322 according to a subscriber's request (step 500).

The route service gateway 322 requests the authentication gateway 324 whether the subscriber is a user subscribed to the route service and receives a response (step 502).

The route service gateway 322 sends the route service authentication response to the route service application (step 504), and if it is determined that the user is a normally subscribed user, the route service application sends the location service information, that is, route, to the route service gateway 322. Request the location of the requesting terminal (step 506).

Thereafter, the route service gateway 322 requests LCSM information (Location Service Manager information), that is, location calculation information to the LBSP 320 (step 508), and the LBSP 320 requests the location information to the MPC 318. (Step 510).

The MPC 318 according to the present invention requests network information of the corresponding path request terminal to the DGMLC 316 and receives a response thereto (step 512).

If the terminal belongs to the 3G network in step 512, request the location to the PS (330) (step 514), at this time, the Location Service Manager (LCSM) included in the PS 330 is PS information That is, the PS URL and the port information corresponding to the access information to the PS 330 are transmitted to the MPC 318 (step 516).

The PS information is sent from the MPC 318 to the route service gateway 322 (step 518), and the route service gateway 322 sends it to the route service application (step 520).

According to the transmission of the PS information, a session is established between the PS 330 and the path requesting terminal according to the present invention, and the PS 330 refers to the WARN system information shown in FIG. 4 to determine the latitude and longitude information of the path requesting terminal. The calculation is based on GPS (step 522).

On the other hand, the calculated position result is transmitted from the PS 330 to the MPC 318, and the MPC 318 transmits it to the path service gateway 322 (step 524).

Then, if the route service application requests a page re-request to route service gateway 322, i.e., to provide location results (step 526), route services gateway 322 re-requests the location results to LBSP 320, Receive the location result (step 528).

The route service gateway 322 generates a page about the received location result and transmits it to the route service application (step 530).

5 is a diagram illustrating a process of confirming a person's location according to the present invention, where a destination search and a path search process are performed after the user's location, i.e., the location of the route request terminal is confirmed, and FIG. 6 is another preferred embodiment of the present invention. A flowchart of a destination and route search process according to an example.

Referring to FIG. 6, the route service application receiving the page for the location result in FIG. 5 transmits a destination search request to the route service gateway 322 according to the subscriber's request (step 600).

The route service gateway 322 transmits the requested destination information to the GISP 323 (step 602), and the GISP 323 uses the information stored in the database to display a list corresponding to the destination requested by the subscriber. (Step 604).

The route service gateway 322 sends the received destination list to the route service application (step 606).

If the subscriber selects one of the destination lists, the route service application requests the route service gateway 322 for the route to the destination (step 608), and the route service gateway 322 sends the route to the route service provider. Request more 325 (step 610).

The route service provider 325 calculates the optimal route and the shortest route to the corresponding destination by referring to the current location result of the subscriber and the selected destination information, and transmits the calculated route result to the route service gateway 322 ( Step 612).

The route service gateway 322 transmits the calculated route result to the route service application so that the preparation process for route guidance may be completed (step 614).

FIG. 7 is a flowchart illustrating a process of providing a route guidance service according to an exemplary embodiment of the present invention. FIG. 7 illustrates route information to a subscriber by receiving a latitude and longitude information calculated by the PS 330 during actual driving. It shows the process of outputting.

Referring to FIG. 7, the route service application receiving the route result transmits a route guidance service request to the route service gateway 322 (step 700).

The route service gateway 322 requests the location information of the route request terminal to the LBSP 320 (step 702), and the LBSP 320 requests the authentication gateway 324 to authenticate the route request terminal, and responds thereto. Is received (step 704).

If authentication is successful, the LBSP 320 requests the location to the MPC 318 (step 706), and the MPC 318 requests the network information for the route request terminal to the DGMLC 316, as described above. Respond to this (step 710).

If the path request terminal is in the 3G network, the MPC 318 requests PS information from the PS 330 (PS LCSM) (step 710) and receives a response thereto (step 712).

The PS information received by the MPC 318, that is, the URL and port information of the PS, is transmitted to the route service application through the LBSP 320 and the route service gateway 322 (steps 714 to 718).

When the PS service information is received, the route service application requests a predetermined API of the route requesting terminal (step 720). Accordingly, the route requesting terminal requests a connection to the PS 330 using the received PS information. (Step 722).

Thereafter, the PS 330 internally processes information about the connection (step 726), informs the session connection to the route request terminal (step 728), initializes the position calculation (step 730), and provides auxiliary information for calculating the location information (step 732), receiving a response thereto (step 734) and internal processing (step 736).

Meanwhile, the route request terminal calculates its own location using the assistance information and transmits the first location information to the route service application (step 738).

When the first location information is calculated, the route service application requests the map service corresponding to the first location information to the route service gateway 322 (step 740), and the route service gateway 322 requests the LBSP 320 and the GISP. Receive map information from 323 (step 742).

The received map information is transmitted to the route service application (step 744), and the route service application receives second and third location information of the terminal calculated according to the new map information from the route request terminal (steps 746 to 748). ).

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, GPS-based location information can be calculated using a PS even for a subscriber belonging to a WCDMA network, and accordingly, there is an advantage that a route request terminal can accurately perform a route service.

In addition, according to the present invention, there is an advantage to increase the efficiency of the path service providing by integrally performing the location information providing process in the 2G and 3G network.

Claims (16)

A method of processing a route service request using a positioning server (PS) in a route service providing system including a 3G network, (a) receiving a request for providing location information from a route request terminal; (b) determining whether the route request terminal belongs to a 3G network; (c) if the route request terminal belongs to a 3G network, establishing a session between the positioning server and the route request terminal using access information to the positioning server; And (d) calculating the location of the route requesting terminal based on GPS through the session establishment, and transmitting the calculated location result to the route requesting terminal. The method of claim 1, And the access information includes URL and port information of the positioning server. The method according to claim 1 or 2, The route service providing system includes a route service gateway and a map information service platform. If there is a destination search request from the route request terminal, the route service gateway further comprising: receiving a destination list corresponding to the searched destination from the map information service platform and transmitting the destination list to the route request terminal; Route service providing method. The method of claim 3, The route service providing system further includes a route service provider, And when the selection information for one of the destination lists is received, providing the route result corresponding to the selected destination by the route service provider. The method of claim 4, wherein Resetting a session between the positioning server and the route requesting terminal when a route guidance service request is received from the route requesting terminal that has received the route result; And Transmitting auxiliary information for calculating a location to the route request terminal; The route requesting terminal calculates first location information of the route requesting terminal using the assistance information. delete The method of claim 5, Receiving a map information request corresponding to the calculated first location information from the route request terminal; And The method of claim 1, further comprising transmitting map information corresponding to the first location information. The method according to claim 1 or 2, The route service providing system includes a location based service platform and a mobile positioning center. And transmitting the access information provided by the positioning server to the route requesting terminal through the location-based service platform and the mobile positioning center. As a route service providing system that provides GPS-based location information in a 3G network, A route request receiver configured to receive a route service request from a route request terminal; A location request receiver configured to receive a request for providing location information from the route request receiver; And A network determination unit determining whether the route request terminal belongs to a 3G network; When the route request terminal belongs to a 3G network, providing access information, establishing a session between the route request terminals using the access information, and calculating the position of the route request terminal based on GPS through the session setup. Route service providing system comprising a positioning server. The method of claim 9, And the access information includes URL and port information of the positioning server. The method of claim 10, The route request receiving unit is a route service gateway, the location request receiving unit is a location based service platform, and the network determining unit is a dual gateway mobile location center. The method of claim 11, And a mobile positioning center that receives a location request from the location-based service platform and transmits the location result calculated by the positioning server to the location-based service platform. The method of claim 12, If there is a destination search request from the route request terminal, the route service providing system further comprises a map information service system for extracting a destination list for the requested destination and providing map information on the location result. . The method of claim 13, When receiving the selection information for one of the destination list from the route request terminal, further comprising a route service provider for calculating and providing a route result for the selected destination. The method of claim 14, When there is a route guidance service request from the route request terminal that has received the route result, the positioning server resets the session with the route request terminal and transmits auxiliary information for position calculation to the route request terminal. Route service provision system. The method of claim 15, When the route request terminal calculates first location information of the route request terminal using the assistance information, and receives a map information request corresponding to the calculated first position information from the route request terminal, the GISP Route service providing system, characterized in that for providing map information corresponding to the first location information.

Images