KR19990073743A - Map information service device using location information of mobile communication base station and method thereof - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to an apparatus and method for a map information service using location information of a mobile communication base station.

2. The technical problem to be solved by the invention

The present invention provides an apparatus and method for providing a map information service by obtaining information on latitude and longitude of an adjacent base station from a mobile communication terminal and obtaining map information of a cell where a base station is located in a map information database.

3. Summary of the Solution of the Invention

The present invention provides a mobile communication terminal for receiving and outputting data; Map information storage means for storing sector-specific radiuses and map information of the base stations; Information processing means for receiving a data input from the mobile communication terminal to determine a current position, and receiving map information on the determined current position from the map information storage means and outputting map information; And display means for displaying the input from the information processing means so as to be recognized externally.

4. Important uses of the invention

The present invention is used in map information service.

Description

Map information service device using location information of mobile communication base station and method thereof

The present invention relates to a map information service apparatus using the location information of a mobile communication base station and a method thereof.

Conventionally, a method for providing living information such as traffic information and stock information or short life service such as traffic information using a pager through a short message service (SMS) of a mobile communication terminal and a global positioning system (GPS) Global Positioning System (GPS) provided a method of providing map information service on a current location using a receiver.

To date, there has been no service for providing location information to a user using a mobile communication terminal.

The GIS system and the Car Navigation System (CNS) are the systems that use the wide-area positioning system.A typical vehicle navigation system is to identify the current position of the vehicle and to present a direction to the driver. That is the purpose.

However, when the pager or the mobile communication terminal is used, the map information service and the navigation system using the GPS receiver cannot be provided due to the limitation of the display means and the limitation of the storage means. There was a problem that commercialization is not economical.

Accordingly, the present invention has been made in order to solve the above problems, the map information service is obtained by obtaining information on the latitude and longitude of the adjacent base station from the mobile communication terminal and the map information of the cell where the base station is located in the map information database. It is an object of the present invention to provide an apparatus and a method for providing the same.

1 is a block diagram of a map information service apparatus according to an embodiment of the present invention.

2 is an explanatory diagram of a display area of a base station location information parameter used in the present invention;

3 is an explanatory diagram of a hierarchical structure of base station location information parameters used in the present invention;

4 is an explanatory diagram illustrating a process of estimating a position and determining a range of a map to be shown when a terminal is located at a place where two cells overlap.

FIG. 5 is an explanatory diagram illustrating a process of estimating a position and determining a range of a map to be shown when a terminal is located at a place where three cells overlap. FIG.

6 is a flowchart illustrating a map information service method using location information of a mobile communication base station according to an embodiment of the present invention.

7 is a flowchart illustrating a map information service method using location information of a mobile communication base station according to another embodiment of the present invention.

* Explanation of symbols for the main parts of the drawings

101: terminal 102: terminal information processor

103: Map Information Database 104: Screen Display

An apparatus of the present invention for achieving the above object is a mobile communication terminal for receiving and outputting data from the external mobile communication base station; Map information storage means for storing the sector-specific radius and map information of the mobile communication base stations; Information processing means for receiving data from the mobile communication terminal, extracting base station location information parameters to grasp the current location, and receiving map information on the current location obtained from the map information storage means and outputting map information; And display means for displaying the input from the information processing means so as to be recognized externally.

The present invention also provides a map information service method applied to a map information service device, comprising: a first step of a terminal information processor identifying a current position from a parameter received from a mobile communication terminal; A second step of the terminal information processor extracting a current position sector map from a map information database; And a third step of displaying the extracted map on the screen display.

In addition, the method of the present invention is a map information service method applied to a map information service device, wherein the terminal information processor extracts a necessary parameter from data received from a mobile communication terminal, and the base station received by the mobile communication terminal. A first step of determining the number; A second step of determining a center and a radius of a map to be displayed on a screen after extracting radius information of each sector of the base station from the map information database; And a third step of extracting map information from the map information database and displaying the map information on the screen display.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to FIGS. 1 to 7.

The present invention is to provide a device for identifying the current position from the base station information received by the digital mobile communication terminal, outputting the map information on the current position identified from the map information database, and displaying the output map information on the screen display. do.

In addition, the present invention uses the fact that at least about 30% of each cell overlaps with other cells in the digital mobile communication network to determine the current location estimate and the size of the illustrated map from the location information of various base stations received by the mobile communication terminal. Next, an apparatus for extracting an estimated location and a map of a predetermined size from a geographic information database and displaying the same on a screen display is provided.

1 is a block diagram of a map information service apparatus according to an embodiment of the present invention.

As shown in the drawing, the map information service apparatus includes a terminal 101 for receiving and outputting data from base stations, a map information database 103 for storing a sector radius and map information of the base stations, and a terminal 101. The terminal information processor 102 and the terminal information processor which extract the base station location information parameter to grasp the current location, and receive the map information about the identified current location from the map information database 103 and output the map information. A screen display 104 for displaying the output from the 102 is provided.

Now, the operation of the map information service device according to an embodiment of the present invention will be described in detail.

Every terminal 101 has a port for an analysis mode (DM mode), and the port may have a different shape depending on the manufacturer of the terminal 101 and the type of the terminal 101, and an external device. The terminal may receive the state of the terminal 101 and all the information possessed by the terminal 101 through the port.

Meanwhile, the terminal information processor 102 of the present invention receives the necessary information from the terminal 101 through the port.

The terminal information processor 102 stores only necessary information among the information received from the terminal 101.

The information used by the terminal information processor 102 includes the network number, the exchange number, the base station number, the sector-specific designation value of the base station, the latitude of the base station, among the information received from the base station by the terminal 101 through the paging channel, It is the hardness of a base station, and [Table 1] shows the meaning.

2 is an explanatory diagram of a display area of a base station location information parameter used in the present invention.

As shown in the figure, a network number (SID) distinguishes a network between different mobile operators, and a switch number (NID) distinguishes each exchange in providing a service by using a plurality of exchanges. The base station number (BASE_ID) distinguishes several base stations in charge of one exchange, and the base station sector-specific value PILOT_PN identifies each sector when one base station is divided into three sectors.

The base station location information parameters used in the present invention include the latitude (BASE_LAT) of the base station and the longitude (BASE_LONG) of the base station.

3 is an explanatory diagram of a hierarchical structure of base station location information parameters used in the present invention.

As shown in the figure, the hierarchical structure of the base station location information parameter includes a network number in the upper layer, an exchange number in the next lower layer, a base station number in the next lower layer, and a sector-specific designation value of the base station in the lower layer. do.

In the map information database, a map of each base station sector is efficiently stored and map information is stored using the base station location information parameter hierarchy to reduce the extraction time of the map of each base station sector.

In order to achieve the object of the present invention, the terminal information processor 102 receives the information of the base station from the terminal 101.

The received information includes network number, exchange number, base station number, base station sector-specific value, base station latitude, base station longitude, and the like.

These information are uniquely determined for each base station and can identify from the combination of these parameter values up to the base station and its sectors.

The map information database stores a map for each sector of each base station, and the terminal information processor extracts a map corresponding to the parameter value from the sector map of each base station stored in the map information database and displays the map on the screen display.

Meanwhile, in the above embodiment, overlapping facts of cells may be used to obtain more accurate map information.

The map to be displayed on the screen is divided into three types according to the area where the terminal is located.

First, when the terminal is located in an area where the cells do not overlap, that is, when the terminal communicates with only one base station, the latitude of the base station and the longitude of the base station become the center position of the map.

Using the network number, the exchange number, the base station number, and the base station sector-specified values received from the terminal, the value of the sector extracted from the geographic information database, except that the cells overlap, is determined as the range radius of the map to be shown.

FIG. 4 is an explanatory diagram illustrating a process of estimating a location when a terminal is located at a place where two cells overlap and determining a range of a map to be shown.

As shown, the process of estimating the position when the terminal is located in a place where two cells overlap and determining the range of the map to be shown, the terminal receives information from the base station while continuing to communicate with the two base stations.

The terminal information processor receives and stores base station information from the terminal every predetermined time.

When the terminal information processor alternately receives two different base station information, the terminal position is estimated by considering the latitude and longitude of the two base stations and the radius of each base station sector obtained from the geographic information database.

This position is a point divided between the two base stations in proportion to the radius of the sector, which is the center of the map to be displayed soon.

The range setting of the map to be displayed on the screen includes both overlapping portions in consideration of the distance between the two base stations and the radius of each base station sector.

FIG. 5 is an explanatory diagram illustrating a process of estimating a location when a terminal is located at a place where three cells overlap and determining a range of a map to be shown.

As shown in the figure, the process of estimating the position when the terminal is located in a place where three cells overlap and determining the range of the map to be shown, the terminal receives information from the base station while continuing to communicate with the three base stations have. The terminal information processor receives base station information from a terminal every predetermined time and stores the information.

When the terminal information processor alternately receives three different base station information, the center of gravity of the three base stations or the center of the center of the map to be displayed.

This position becomes the estimated terminal position. The area of the map to be displayed on the screen is smaller than or equal to the inscribed circle of the triangle so that all overlapping areas are included.

The map is extracted from the map information database and displayed on the screen display based on the determined central location and the range of the map to be shown.

6 is a flowchart illustrating a map information service method using location information of a mobile communication base station according to an embodiment of the present invention.

As shown in the figure, the map information service method using the location information of the mobile communication base station, when the terminal information processor receives information from the mobile communication terminal (601), the network number, the exchange number, After extracting the base station number, the sector designation value of the base station, the latitude of the base station and the longitude of the base station (602), the current position is identified (603), and the map of the current position sector is extracted from the map information database (604). The map is displayed at (605), and the process ends.

7 is a flowchart illustrating a map information service method using location information of a mobile communication base station according to another embodiment of the present invention.

As shown in the figure, the map information service method using the location information of the mobile communication base station, first, when the terminal information processor receives the information from the mobile communication terminal (701), the network number, the exchange number is a parameter required in the received information The base station number, the sector designation value of the base station, the latitude of the base station, and the longitude of the base station are extracted (702).

Thereafter, the number of base stations received by the mobile communication terminal is determined (703), and the determined number of base stations is determined (704).

As a result of the determination of the determined number of base stations, if the determined number of base stations is one, radius information for each sector of the base station is extracted from the map information database (705), and after determining the latitude and longitude of the extracted base station as the center position (706), the extracted sector In operation 707, a value excluding the number of overlapping cells is determined from a radius of. The reason for determining the center position here is to determine the center on the screen when the map is displayed on the screen indicator.

Subsequently, a sector map of a predetermined radius is extracted from the map information database (708), and the map is displayed on the screen display (709), and then ends.

On the other hand, as a result of the determination of the determined number of base stations, if the determined number of base stations is two, the radius information for each sector of the base station is extracted from the map information database (710), and the two base stations are divided into proportional to the radius of the sector as the center position. After the determination (711), the range that includes all of the overlapping portions in consideration of the radius of each base station sector is determined as the map setting range (712). The reason for determining the center position here is to determine the center of the screen when the map information is displayed on the screen display.

Subsequently, the map corresponding to the map setting range is extracted from the map information database (713), the map is displayed on the screen display (714), and then ends.

Further, as a result of the determination of the determined number of base stations, if the determined number of base stations is three, the radius information for each sector of the base station is extracted from the map information database (715), and the center of gravity of the triangle composed of three base stations is determined as the center position (716). ). The reason for determining the center position here is to determine the center of the screen when the map information is displayed on the screen display.

Subsequently, after setting an inscribed circle of three base stations as the map setting range (717), extracting a map corresponding to the map setting range from the map information database (718), and displaying the map on the display (719). ), To end.

In the present invention, the terminal information processor, the map information database, and the screen display are simple and flexible, and may be integrated with the digital audio receiver which will be introduced in the future.

In addition, the terminal information processor receives the traffic information received by the Short Message Service (SMS) from the mobile communication terminal and displays the map and traffic information by displaying the map as shown on the screen display.

In addition, the map information service apparatus using the location information of the base station may be used in place of the wide area positioning system for a vehicle used in the logistics vehicle positioning and control system.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited to the drawings.

As described above, the present invention can provide a map information service at a low cost by showing a map of a region where a terminal is located even without a receiver of an expensive wide area positioning system, and provides map information without installing new software or hardware in an exchange. Can provide services.

In addition, the accuracy is expected to improve in the future in light of the trend of the cell of the mobile communication becomes smaller.

Claims (6)

A mobile communication terminal for receiving and outputting data from external mobile communication base stations; Map information storage means for storing the sector-specific radius and map information of the mobile communication base stations; Information processing means for receiving data from the mobile communication terminal, extracting base station location information parameters to grasp the current location, and receiving map information on the current location obtained from the map information storage means and outputting map information; And Display means for displaying the input from the information processing means so as to be recognized externally Map information service device comprising a. In the map information service method applied to a map information service device, A first step of the terminal information processor grasping the current position from the parameter received from the mobile communication terminal; A second step of the terminal information processor extracting a current position sector map from a map information database; And Third step of displaying the extracted map on the display Map information service method comprising a. The method of claim 2, The first step is, A fourth step of the terminal information processor receiving data from the mobile communication terminal; A fifth step of extracting network number, exchange number, base station number, sector designation value of base station, latitude of base station and longitude of base station from the received information; And 6th step to know where you are Map information service method comprising a. In the map information service method applied to a map information service device, A first step of the terminal information processor extracting a necessary parameter from data received from the mobile communication terminal and determining the number of base stations that the mobile communication terminal is receiving; A second step of determining a center and a radius of a map to be displayed on a screen after extracting radius information of each sector of the base station from the map information database; And The third step of extracting map information from the map information database and displaying it on the display Map information service method comprising a. The method of claim 4, wherein The first step is, A fourth step of the terminal information processor receiving data from the mobile communication terminal; A fifth step of extracting a network number, an exchange number, a base station number, a sector designation value of the base station, a latitude of the base station, and a longitude of the base station from the received data; And A sixth step of determining the number of base stations received by the mobile communication terminal; Map information service method comprising a. The method according to claim 4 or 5, The second step, A seventh step of determining the determined number of base stations; As a result of the determination in the seventh step, if the determined number of base stations is one, the sector information of the base station is extracted from the map information database, and the extracted base station latitude and longitude are determined as the center position, and the cell is extracted from the radius of the extracted sector. An eighth step of setting portions except for overlap as a map setting range; As a result of the determination in the seventh step, if the determined number of base stations is two, extracting the sector information of the sectors of the base station from the map information database, and determines the two points between the two base stations in proportion to the radius of the sector as the center position, A ninth step of setting a range including all overlapping portions in consideration of a radius of each base station sector as a map setting range; And As a result of the determination in the seventh step, if the determined number of base stations is three, extracting the sector information of the sectors of the base station from the map information database, determine the center of gravity of the triangle consisting of three base stations as the center position, The tenth step of setting the inscribed circle of the made triangle as the map setting range Map information service method comprising a.