KR20010003929A - Value Added Network service system using location information in mobile communication system and Value Added Network service method - Google Patents

Abstract

PURPOSE: A system and method for providing a value added service using location information of a mobile communication system is provided to convert the location information of a mobile terminal into location information of a map by using a network by the cell of the mobile communication system. CONSTITUTION: A VLR(Visitor Location Register,14) stores information on cell location of a mobile terminal, and assigns vender's ID according to an MIN(Mobile Identification Number). A VMD(Value added service Mediation Device,15) converts the format of cell location information of the mobile terminal registered in the VLR(14) into a transmission control TCP/IP, to transmit converted format to a gateway server(16). The gateway server(16) transmits the cell location information of the mobile terminal transmitted from the VMD(15) to a VAN(Value Added Network).

Description

Value added network service system using location information in mobile communication system and Value Added Network service method}

The present invention relates to providing a value-added service using location information of a mobile communication system. In particular, the present invention relates to converting location information of a mobile terminal into location information on a map using a cell network of a mobile communication system. The present invention relates to a value added service providing system and a method of providing value added service using a mobile communication system.

Global Positioning System (GPS) is a global positioning system that uses satellites to find the location of observation points by receiving radio waves from satellites that know the exact location and observing the time required to the observation points. Using more than one satellite can measure the three-dimensional position of the mobile station. Each satellite is equipped with an atomic clock, and the user selects four suitable ones from these satellites, receives time signals from them, and measures each distance. At this time, since the positions of the four satellites are known, the three-dimensional positions of latitude, longitude, and altitude of the user and the visual deviation of the clock can be known from this measurement.

Although the global positioning system was originally built for position measurement of military vehicles, ships, aircrafts, etc., it is currently available to civilians, so navigational devices mounted on automobiles, navigational devices such as ships and helicopters, etc. have recently been used. Value Added Network (VAN) provides global location measurement system (GPS) with location tracking service of Trunked Radio System (TRS).

Hereinafter, a location information providing system using a conventional global positioning system (GPS) will be described with reference to the accompanying drawings.

1 is a block diagram illustrating a system for providing location information using a conventional global positioning system.

As shown in FIG. 1, a conventional system for providing location information using a global positioning system is a frequency-shared communication system (Trunked Radio System: TRS) or a cellular phone equipped with a global positioning system (hereinafter, referred to as GPS) receiver. (Cellular) When the mobile terminal 1a, 1b, 1c, 1d, ..., 1n receives GPS position data from four suitable satellites among the first to nth satellites 7a, 7b, ..., 7n. The GPS in the mobile terminals 1a, 1b, 1c, 1d, ..., 1n measures the distance from each satellite and the distance between the mobile terminals 1 and measures the measured data and outputs the measured data to each mobile terminal 1a, 1b, 1c. , 1d, ..., 1n) to the base station 2, and the base station 2 transmits the transmitted data to the switching center 3.

The exchange station 3 transmits the GPS location information to the Short Message Service Center (SMSC) 4, and the short message service center 4 sends a short message in the form of a text message to the value-added network operator 5. Transmits the GPS location information of the mobile terminals 1a, 1b, 1c, 1d, ..., 1n to the value-added network operator (VAN) 5 by using.

The value-added network operator 5 provides the customer 6 with GPS location information of the mobile terminals 1a, 1b, 1c, 1d, ..., 1n. In this case, the customer 6 generally includes a logistics company, a taxi vehicle, a distributor, an after-sales service company, a government office, and the like.

The customer 6 grasps the location information of the mobile terminals 1a, 1b, 1c, 1d, ..., 1n using the GPS location information provided from the value-added network operator 5 and uses it to instruct new tasks.

In the conventional system for providing location information using such a global positioning system, there are the following problems.

First, the conventional location tracking system using a frequency common communication system (TRS) or a cellular network uses expensive GPS, so the equipment itself is expensive and a satellite must be used. There was a problem.

Second, the GPS location information should be converted into a short message (SMS) in the form of a text message. In the process of converting the GPS location information into a short message, a load is generated and the current location of the mobile terminal due to the load is generated and the customer There was a problem that a difference may occur between GPS location information of a mobile terminal.

SUMMARY OF THE INVENTION An object of the present invention has been made in view of the above-mentioned problems of the prior art, and by using the location registration of a mobile terminal used in a mobile communication system, the location information of the mobile terminal can be represented by mobile location information in units of cells. It is to provide a value-added service providing system and a value-added service providing method using the location information of the mobile communication system.

According to an aspect of the present invention for achieving the above object, in a communication system configured with at least one mobile terminal, a base station, and a mobile switching center, cell location information of the mobile terminal is registered, and the mobile terminal is identified. A visitor subscriber location register which assigns a vendor identification number (ID) according to the number MIN, and a cell location information format of the mobile terminal registered with the visitor subscriber location register in a transmission control protocol / Internet protocol (TCP / And a gateway providing server unit for transmitting the cell location information of the mobile terminal transmitted from the additional value service intermediate apparatus to the value added network operator.

In addition, according to another feature of the present invention for achieving the above object, in a communication system having a location register, a value-added service intermediary device, a gateway providing server unit, the location register of the cell location information of the mobile terminal on a set periodic basis Registering in the mobile terminal registered in the location register and converting the format of the cell location information of the mobile terminal into the transmission control protocol / internet protocol in the value-added service intermediary device and transmitting it to the gateway providing server unit.

According to the present invention as described above, there is an advantage that the location information of the cell unit can be converted into the location information on the actual map by using the location registration function of the mobile terminal.

1 is a block diagram showing a system for providing location information using a conventional global positioning system

2 is a block diagram showing a value-added service providing system using location information of a mobile communication system according to the present invention.

3 is a flowchart illustrating a method of providing value added services using location information of a mobile communication system according to the present invention.

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

1 mobile terminal 12 base station

13 control station 14 mobile switching center

14a: Visiting subscriber location register 15: Value-added service intermediary device

16: gateway providing server unit 17: value-added network operators

18: customer

Hereinafter, a configuration and an operation according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings.

2 is a block diagram illustrating a value added service providing system using location information of a mobile communication system according to the present invention.

As shown in FIG. 2, a value added service providing system using location information of a mobile communication system according to the present invention includes a digital cellular network (hereinafter referred to as DCN) and a personal communication service (hereinafter referred to as a personal communication service). A plurality of mobile terminals 1a, 1b, 1c, 1d, ... 1n, such as PCS), and between the mobile terminals 1a, 1b, 1c, 1d, ... 1n and the control station 13 It is a base station 12 for changing the signal format in a suitable for a radio link and a wired link, and a means of connecting the functions of each element of the base station 12 and the cell operator, and the base station 12 operation management, the base station 12 Control station 13 and control station 13 management and mobile communication network that perform functions such as service state management of hardware and software in the network, resource allocation and configuration for call traffic, and collection of information on base station 12 operation. And public telephone network or same mobile communication The mobile switching center 14, which constitutes an access point for user traffic between mobile switching stations of the new system, and cell position information of the mobile terminals 1a, 1b, 1c, 1d, ... 1n are registered, and the mobile terminal ( The vendor identification number (ID) is assigned according to the identification number (MIN) of 1a, 1b, 1c, 1d, ... 1n, and the mobile terminal 1a, 1b, 1c, 1d, ... A visited subscriber location register 14a for transmitting cell location information including vendor ID to the value added service arbitration device 15 when the location registration occurs, and the mobile terminal 1a registered with the visited subscriber location register 14a; Value-added service intermediary device for converting cell location information format of 1b, 1c, 1d, 1n) into transmission control protocol / Internet protocol (TCP / IP) and transmitting to gateway server 16 A value added service mediation device (VMD) 15 and a mobile terminal transmitted from the value added service mediation device 15; The value-added network operator 17 converts the cell position information (in sector units) at the terminal 1a, 1b, 1c, 1d, ... 1n into an external transmission format for transmission to the value-added network operator 17. And a value-added network operator 17 for transmitting the cell location information of the mobile terminal transmitted from the gateway-providing server unit 16 to the customer 18. At this time, the visitor location register 14a not only gives a vendor identification number, but also frequently provides information on the current location of the mobile terminal 1a, 1b, 1c, 1d, ... 1n being serviced. The home location register (HLR) 19 manages the status, statistics, and various service-related information of the mobile terminals 1a, 1b, 1c, 1d, ... 1n. At this time, the vendor ID is registered in the home position register 19.

3 is a flowchart illustrating a method of providing value added services using location information of a mobile communication system according to the present invention.

In the method of providing value-added services using the location information of the mobile communication system according to the present invention, the mobile terminals 1a, 1b, 1c, 1d, ... 1n are set in units of set periods as shown in FIG. Transmits a message for attempting location registration to the subscriber location register 14a of the mobile station 14 through the base station 12 and the control station 13 (S1). In this case, the message includes an identification number of the mobile terminals 1a, 1b, 1c, 1d, ... 1n, and cell position information (in sector units) to which the mobile terminals 1a, 1b, 1c, 1d, ... 1n belong. ) Is included. Here, in order to receive and receive calls to the mobile terminals 1a, 1b, 1c, 1d,... 1n, the mobile terminals 1a, 1b, 1c, 1d, ... 1n must be registered in the visited subscriber location register 14a of the mobile switching center 14, If 1a, 1b, 1c, 1d, ... 1n are not registered in the subscriber location register (VLR) 14a, then the mobile switching center 14 receives the mobile terminals 1a, 1b, 1c, 1d, ... 1n. ) Does not know the position and the operation state, so it is not possible to provide a communication service to the mobile terminals 1a, 1b, 1c, 1d, ... 1n. Among such registrations, there are various registration methods in the CDMA method. Among them, a power-up registration method performed when the power of the mobile terminal is turned on, and the power of the mobile terminal The power-down registration method performed when turning off, the timer-based registration method performed after a certain time, and the distance-based method performed when a certain distance is deviated from the last registration point. ) Registration method, Zone-based registration method performed when mobile terminal enters new area, Parameter-change registration method performed when parameter of mobile terminal is changed, Ordered registration method that is performed when a request is made to the client, and indirect registration method performed whenever the mobile terminal uses an access channel. And the like. In addition, the base station 12 corresponds to a cell, a micro-cell or a picocell, and has a radius of 1 to 3 km in the case of DCN, and in the case of PCS. The base station 12 is also formed within a radius of about 500m or a small range within a specific building.

The mobile switching center 14 generates the location information of the mobile terminal 1 in the visitor location register 14a with reference to the message transmitted from the mobile terminals 1a, 1b, 1c, 1d, ... 1n (S2). ).

Subsequently, the home location register 19 checks the identification number of the mobile terminal 1a, 1b, 1c, 1d,... 1n to which the message is transmitted, and assigns a vendor ID to establish interprocess communication (IPC). The location information of the mobile terminals 1a, 1b, 1c, 1d, ... 1n is transmitted to the value-added service intermediary device 15 (S3). In this case, when the cell location information of the mobile terminals 1a, 1b, 1c, 1d, ... 1n is not changed, the location information may not be provided to the value-added service intermediary device 15.

The value-added service intermediary device 15 changes the cell location information format of the mobile terminal to transmission control protocol / Internet protocol (TCP / IP) and then transmits it to the gateway server 16 (S4).

The gateway providing server unit 16 is a format for transmitting the cell location information transmitted from the value-added service intermediary device 15 to the outside of the PCS (or DCN) network. The location information is changed to the longitude information and transmitted to the value added network service provider 17 (S5). That is, when the cell location information to which the mobile terminal 1a, 1b, 1c, 1d, ... 1n belongs is transmitted to the mobile switching center 14, the location information to which the cell belongs is represented by a postal code, It is set to be expressed in units of minimum administrative region such as, or is set in advance so as to display cell position information in latitude / longitude. Here, the location registration on the mobile terminals 1a, 1b, 1c, 1d, ... 1n is to be registered once every three to five minutes based on the case of moving to a vehicle.

The value-added network operator 17 then transmits the location information of the mobile terminals 1a, 1b, 1c, 1d, ... 1n from the customer 18 outside the location information network using a dedicated line (S6). At this time, customers include logistics companies, transportation companies, sales vehicle companies, etc. If location information is applied to a geographic information system (GIS) and traffic information system (ITS) using a mobile communication system, location tracking linked to the logistics management system Additional services can be provided.

The value-added service providing system and the value-added service providing method using the location information of the mobile communication system according to the present invention have the following effects.

First, since the location of the mobile terminal can be represented on a map using the location registration function used in the existing mobile communication system, the system can be constructed at low cost.

Second, since the value-added service intermediary device is used to provide the location information of the mobile terminal to the value-added network operator, the location information of the mobile terminal can be transmitted to the customer in real time, thereby providing reliable location information.

Claims (8)

In a communication system configured with at least one mobile terminal, a base station and a mobile switching center, A visited subscriber location register that registers cell location information of the mobile terminal and assigns a vendor identification number (ID) according to the identification number (MIN) of the mobile terminal; A value-added service intermediary device for converting the cell location information format of the mobile terminal registered in the visited subscriber location register into a transmission control protocol / Internet protocol (TCP / IP) and transmitting it to a gateway providing server unit; And a gateway providing server unit for transmitting the cell location information of the mobile terminal transmitted from the value added service relaying device to the value added network operator. The method of claim 1, wherein the vendor identification number is registered in a home location register of the communication system. In a communication system having a location register, a value added service intermediary device, a gateway providing server, Registering cell location information of a mobile terminal with the location register on a set periodic basis; Transmitting the format of the cell location information of the mobile terminal registered in the location register to the value added service intermediary device in an interprocess communication (IPC) manner; Converting the format of the cell location information of the mobile terminal into a transmission control protocol / internet protocol (TCP / IP) and transmitting the converted value to the gateway providing server unit. How to provide value-added services using location information. 4. The method of claim 3, wherein the step of transmitting the format of the cell position information of the mobile terminal to the value added service intermediary device is performed in the cell position information format of the mobile terminal by referring to the identification number of the mobile terminal. Method of providing a value-added service using the location information of the communication system characterized in that the transmission after assigning a vendor ID. 4. The value-added service using the location information of the mobile communication system according to claim 3, wherein when the cell location information of the mobile terminal is changed when the cell location information is registered in the unit of time set in the location register, the registration is performed. How to Provide. 4. The value added using the location information of a mobile communication system according to claim 3, further comprising the step of providing the gateway location server cell information of the transmitted mobile terminal to at least one value added network operator. How we deliver the service. [4] The method of claim 3, wherein the gateway providing server unit converts the cell location information into a postal code, a minimum administrative unit, or a latitude / longitude unit. 4. The method of claim 3, wherein the set period unit is a 3-5 minute unit.