KR101394982B1 - Method and system for generating location infromation of mobile terminal based on wireless access gateway - Google Patents
Method and system for generating location infromation of mobile terminal based on wireless access gateway Download PDFInfo
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- KR101394982B1 KR101394982B1 KR1020070112275A KR20070112275A KR101394982B1 KR 101394982 B1 KR101394982 B1 KR 101394982B1 KR 1020070112275 A KR1020070112275 A KR 1020070112275A KR 20070112275 A KR20070112275 A KR 20070112275A KR 101394982 B1 KR101394982 B1 KR 101394982B1
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Abstract
The present invention relates to a location information generation technology of a wireless access gateway-based mobile communication terminal, and more particularly, to a mobile communication terminal that receives delimiter information from a mobile communication terminal when a mobile communication terminal is connected, Receiving a location code response message including a location code by transmitting a location code request message including delimiter information, receiving location information by querying a location-based service platform (LBSP) Generates location information by encoding the information, and transmits the generated location information to the origin server. According to the present invention, since the location information of the mobile communication terminal can be confirmed by performing communication with the AAA or GGSN in the wireless access gateway without performing paging to the mobile communication terminal to confirm the location information of the mobile communication terminal, It is possible to reduce the time required compared with the method of confirming the location information through the access network and the paging resource.
Mobile communication system, mobile communication terminal, wireless access gateway, AAA / GGSN, location information
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for generating location information in a mobile communication system, and more particularly to a method and system for generating location information of a wireless access gateway-based mobile communication terminal suitable for acquiring location information by connecting with a wireless access gateway will be.
Generally, mobile communication terminals are connected to a fixed wired network through a mobile communication network. The mobile communication terminal is not continuously connected to the wired network through the mobile communication network but is connected to the wired network only when necessary so that the wireless bandwidth of the limited wireless network can be efficiently maintained and used by a plurality of mobile communication terminals. Accordingly, there is a need for a method for accurately and efficiently grasping the position of a mobile communication terminal moving in a wireless network when a call is made to the mobile communication terminal.
A method of determining the location of the mobile communication terminal is performed through location update and paging. In the location registration, the mobile communication terminal informs the network of its present existence so that the network can manage the location of the mobile communication terminal and connect the call when a call is received to the mobile communication terminal. If the location registration is performed too frequently, it is wasted resources in the wired / wireless network. Therefore, it is necessary to perform the location registration only when necessary. When a call to the mobile communication terminal occurs, A polling signal is transmitted to the mobile communication terminal to identify the location of the mobile communication terminal, which is called paging.
More specifically, the mobile communication terminal of the mobile communication subscriber informs the mobile communication network of the mobile communication system of its current location when the mobile communication terminal is powered on, and the mobile communication network transmits the current location of the subscriber mobile communication terminal And registers and manages the location information in a home location register (HLR). The current position information of the mobile communication terminal registered in the home location register includes unique information of the base station to be in charge of wireless communication with the mobile communication terminal. Therefore, in a mobile communication network, it is always known which base station coverage the mobile communication terminal is.
Hereinafter, a paging method for searching for the location of a mobile communication terminal in a mobile communication network will be described with reference to FIG.
Referring to FIG. 1, a mobile communication system includes a
Upon receiving the paging request message, the
Generally, if the location registration frequency of the mobile communication terminal increases, the cost of paging can be reduced, but the cost due to location registration is increased. On the contrary, if the location registration frequency of the mobile communication terminal is small, So that the paging cost is increased. When the position of the
Meanwhile, in recent years, a mobile communication terminal incorporating a GPS (Global Positioning System) module has been popular. The GPS module of the mobile communication terminal identifies the current position of the mobile terminal by communication with the satellite, However, in order to utilize such a service, the GPS module may be limited to a mobile communication terminal having a built-in GPS module.
In order to confirm the location information of the mobile communication terminal in the conventional mobile communication system operating as described above, it is necessary to perform paging with the mobile communication terminal in the mobile communication system and to transmit the location information through the exchanger and the base station information received from the mobile communication terminal. However, if the location of the mobile communication terminal is confirmed through the paging, the delay through the paging may occur, which may cause a delay in the location service. .
Further, there is a problem in that paging resources are increased in the access network by performing paging for each mobile communication terminal for which a location check is requested.
Accordingly, the present invention provides a location information generation method and system of a wireless access gateway based mobile communication terminal capable of confirming location information based on a wireless access gateway to which a mobile communication terminal accesses.
The present invention also provides a wireless access gateway-based mobile terminal capable of acquiring location information through interworking with AAA and GGSN in a wireless access gateway when a mobile communication terminal accesses a wireless access gateway to check location information of the mobile communication terminal. A method and system for generating location information of a communication terminal are provided.
In addition, when the mobile communication terminal accesses the wireless access gateway, the mobile communication terminal obtains the location code through interworking with the AAA and the GGSN in the wireless access gateway, and receives the location information by querying the obtained location code with the LBSP A method and system for generating location information of a wireless access gateway based mobile communication terminal.
A method of an embodiment of the present invention includes the steps of receiving delimiter information from the mobile communication terminal when the mobile communication terminal is connected to the mobile communication terminal and transmitting a location code request message including the delimiter information to the AAA server, Receiving a location code response message including a location code by transmitting the location code to the location-based service platform (LBSP), receiving location information by querying the location-based service platform (LBSP) with the location code, Generating location information, and transmitting the generated location information to an origin server.
Further, the present invention is characterized in that the method further comprises transmitting the generated location information to the origin server by including the generated location information in a Hypertext Transfer Protocol (HTTP) request header.
Meanwhile, in the present invention, the delimiter information is an IP or a terminal identification number.
In the present invention, the location code is sector information to which the mobile communication terminal belongs, a base station, base station controller information, and mobile communication exchange information.
A method of another embodiment of the present invention includes the steps of receiving delimiter information from a mobile communication terminal when a mobile communication terminal is connected to the mobile communication terminal, interworking with a packet gateway support node (GGSN) Receiving a location code response message including a location code by transmitting a location code request message; receiving location information by querying the location-based service platform (LBSP) with the location code; Generating location information by encoding information, and transmitting the generated location information to an origin server.
The method may further include transmitting the generated location information to the origin server by including the generated location information in a hypertext transfer protocol (HTTP) request header.
Meanwhile, in the present invention, the delimiter information is an IP or a terminal identification number.
In the present invention, the location code is sector information to which the mobile communication terminal belongs, a base station, base station controller information, and mobile communication exchange information.
A system according to an embodiment of the present invention is characterized in that when a mobile communication terminal is connected, the mobile communication terminal receives delimiter information from the mobile communication terminal and, in cooperation with an authentication authorization charging (AAA) server, Receiving a location code by sending a request message, receiving location information by querying the location-based service platform (LBSP) with the received location code, generating location information by encoding the received location information, A wireless access gateway for transmitting location information to an Origin Server; and a wireless communication unit for checking a location code of the corresponding mobile communication terminal through the delimiter information in cooperation with the wireless access gateway, To the AAA server, the location code received from the wireless access gateway The LBSP for transmitting the calculated location confirmation information to the wireless access gateway, and a controller for receiving the location information from the wireless connection gateway and storing the received location information, and for providing the stored location information when requesting a location for the mobile communication terminal, Includes server.
Further, in the present invention, the radio access gateway transmits the location information to the origin server.
In addition, in the present invention, the origin server is characterized in that it receives a hypertext transfer protocol (HTTP) request message from the wireless access gateway and extracts and stores location information contained in the header of the received HTTP request message .
Meanwhile, in the present invention, the delimiter information is an IP or a terminal identification number.
Meanwhile, in the present invention, the location code includes sector information to which the mobile communication terminal belongs, a base station, base station controller information, and mobile communication exchange information.
The system of another embodiment of the present invention is characterized in that when a mobile communication terminal is connected, it receives delimiter information from the mobile communication terminal, interlocks with a packet gateway support node (GGSN), and transmits, to the GGSN, Receiving a location code by sending a request message, receiving location information by querying the location-based service platform (LBSP) with the received location code, generating location information by encoding the received location information, A wireless access gateway for transmitting location information to an Origin Server, and a wireless access gateway for confirming a location code of the mobile communication terminal through the terminal identification number in cooperation with the wireless access gateway, The GGSN for transmitting to the gateway, and the GGSN for calculating the location code received from the wireless access gateway The LBSP for transmitting the calculated position information to the wireless access gateway, and a controller for receiving the position information from the wireless connection gateway and storing the received position information, and for providing the stored position information when requesting the position for the mobile communication terminal, Server.
In addition, in the present invention, the wireless access gateway includes the location information in a hypertext transfer protocol (HTTP) request header and transmits the location information to the origin server.
In addition, in the present invention, the origin server receives an HTTP request message from the wireless access gateway, and extracts and stores location information included in a header of the received HTTP request message.
Meanwhile, in the present invention, the delimiter information is an IP or a terminal identification number.
Meanwhile, in the present invention, the location code includes sector information to which the mobile communication terminal belongs, a base station, base station controller information, and mobile communication exchange information.
In the present invention, effects obtained by representative ones of the disclosed inventions will be briefly described as follows.
The present invention can confirm the location information of the mobile communication terminal by performing communication with the AAA or GGSN at the wireless access gateway without performing paging at the mobile communication terminal to confirm the location information of the mobile communication terminal, It is possible to reduce the time required compared to the position information confirmation method and to prevent the additional use of the access network and paging resources.
Hereinafter, the operation principle of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
The following terms are defined in consideration of the functions of the present invention, and these may be changed according to the intention of the user, the operator, or the like. Therefore, the definition should be based on the contents throughout this specification.
The present invention confirms location information based on a wireless access gateway in order to check location information of a mobile communication terminal. When a mobile communication terminal accesses a wireless access gateway, authentication, authorization, (GGSN), and acquires the location code from the location based service platform (Location Based Service). The location based service platform Platform, hereinafter referred to as LBSP), and transmits the received location information to the origin server.
FIG. 2 is a block diagram illustrating a structure for determining a location of a mobile communication terminal according to a preferred embodiment of the present invention.
2, the
First, the
The
As described above, the
That is, the
The
At this time, the HTTP request header conforms to the ABNF (augmented Backus-Naur form) (RFC 2234) form as shown in Table 1 below.
X-SKT-Location-Info = Location-Value
Location-Value = 1 * 500 CHAR
The AAA /
Specifically, mobile telecommunication operators should not only provide modem ports in wired / wireless Internet environment, but should prevent unauthorized use of services, grant and verify subscriber rights level, establish billing and resource planning In order to do this, it is necessary to measure the network usage.
Therefore, AAA is stable based on RADIUS / DIAMETER protocol that systematically provides secure and reliable authentication, authorization and billing to subscribers in cooperation with various network equipment (NAS: Network Attached Storage) in wired / wireless Internet environment And performs a high performance server function with an expandable internal structure. In addition, it provides CIS (Client Identity Server) function that systematically provides session information to subscribers in cooperation with network equipment such as IWF (Interworking Function) / GGSN in wireless Internet environment.
The GGSN acts as an external network and a gateway, through which the mobile communication terminal accesses the wireless Internet. That is, the packet data transmitted or received by the mobile communication terminal is transmitted / received to / from the wireless Internet network through the GGSN.
The GGSN also performs interworking with the
As described above, the AAA /
Then, an IP for a wireless Internet connection is allocated through the IP of the
At this time, in order to interwork between the
The
The LBSP (216) is a platform that provides the most basic and essential functions for LBS, and provides common components that facilitate the development of various location-based services. It provides efficiency, stability, do.
Here, the LBS is a location-based service that combines personalization and mobility, which is a feature of the wireless Internet, and is a comprehensive service utilizing a mobile user equipment capable of accessing the wireless Internet such as a mobile communication terminal or a PDA (Personal Digital Assistants) A system and service based on location information. The location-based information-based service includes not only product information but also driving convenience information, public transportation information, traffic information for performing route search and setting, location tracking for a mobile communication terminal, personal location information , Location tracking information for tracking lost terminals, and so on.
The
The
3 is a flowchart illustrating a procedure for checking a location of a mobile communication terminal according to a preferred embodiment of the present invention.
3, when the
In
The
As described above, the present invention confirms location information based on a wireless connection gateway to confirm location information of a mobile communication terminal. When the mobile communication terminal accesses a wireless access gateway, Acquires the location code through interworking with the GGSN, receives the location information by inquiring the acquired location code to the LBSP, and transmits the received location information to the origin server.
While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, but is capable of various modifications within the scope of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the scope of the appended claims, and equivalents thereof.
As described above, the location confirmation method of the mobile communication terminal according to the present invention does not perform paging to the mobile communication terminal in order to confirm the location information of the mobile communication terminal, but performs communication with AAA or GGSN in the wireless access gateway, The location information of the communication terminal can be confirmed. Therefore, it is possible to reduce the time required compared to the location information confirmation method using paging, and is suitable for preventing further use of the access network and paging resources.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing a general location determination method of a mobile communication terminal,
FIG. 2 is a block diagram illustrating a structure for identifying a position of a mobile communication terminal according to a preferred embodiment of the present invention;
FIG. 3 is a flowchart illustrating a location checking procedure of a mobile communication terminal according to a preferred embodiment of the present invention. FIG.
Description of the Related Art [0002]
200: mobile communication terminal 210: mobile communication system
212: wireless access gateway 214: AAA or GGSN
216: LBSP 218: Origin Server
Claims (20)
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100655579B1 (en) | 2005-06-29 | 2006-12-08 | 에스케이 텔레콤주식회사 | System and method of location management for providing service based location in mobile |
KR20070020657A (en) * | 2005-08-16 | 2007-02-22 | 에스케이 텔레콤주식회사 | Method for measuring location of mobile phone having gps module within in a portable communication network |
KR20070027010A (en) * | 2005-08-29 | 2007-03-09 | 유엔젤주식회사 | System, method for registering location of mobile device, and location-based service method |
KR20070026925A (en) * | 2005-08-27 | 2007-03-09 | 엘지전자 주식회사 | Method and system for providing terminal location service by interworking between mobile communication network and wlan |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100655579B1 (en) | 2005-06-29 | 2006-12-08 | 에스케이 텔레콤주식회사 | System and method of location management for providing service based location in mobile |
KR20070020657A (en) * | 2005-08-16 | 2007-02-22 | 에스케이 텔레콤주식회사 | Method for measuring location of mobile phone having gps module within in a portable communication network |
KR20070026925A (en) * | 2005-08-27 | 2007-03-09 | 엘지전자 주식회사 | Method and system for providing terminal location service by interworking between mobile communication network and wlan |
KR20070027010A (en) * | 2005-08-29 | 2007-03-09 | 유엔젤주식회사 | System, method for registering location of mobile device, and location-based service method |
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