JP2002229884A - Method for distributing location information from network to communication terminal, its service system, program for embodying this method, movable communication terminal and location information providing server - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate service usage charges by sending advertisement information along with location information along. SOLUTION: A present position request specifying positional information acquired by a communication terminal 1 is carried out by accessing a location information providing server 2 connected to a network from the communication terminal 1. In the location information providing server 2 receiving the present position request, the location information corresponding to the positional information sent from the communication terminal 1 is retrieved, the advertisement information of a sponsor relevant to the location information is added, and it is sent to the communication terminal 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for distributing location information to a communication terminal from a network, a service system therefor, a program for implementing the method, a movable communication terminal, and a location information providing server.

[0002]

2. Description of the Related Art Weak high-frequency radio waves (hereinafter referred to as GPS signals) transmitted by pseudo-noise encoding from GPS satellites orbiting the earth above the earth are received, and the arrival time of the GPS signals to the ground and the GPS signals are calculated. G that decodes the time information and navigation messages contained to accurately determine the position information on the earth
PS position detection devices have recently been developed.

In such a GPS position detecting device, it is necessary to capture at least four or more GPS satellites orbiting the visible space and to decode the GPS signals, and to generate pseudo noise transmitted from these satellites. The coded high-frequency radio waves are synchronized with the key code (C / A code) assigned to each satellite in timing and demodulated, and then the navigation messages are decoded and collected.

[0004]

Conventionally, however, there has been provided a service for acquiring position information and displaying the current position on a map by using the above-mentioned GPS or mobile communication. At the time of detection, since communication with the server is used, a communication fee and an information fee have been incurred.

[0005] The present invention has been made in view of such circumstances, and has as its object to make the service usage fee free by transmitting advertisement information together with location information.

[0006]

According to a first aspect of the present invention, there is provided a method for distributing location information from a network to a communication terminal according to the present invention. The server accesses the server and makes a current location request specifying the location information acquired by the communication terminal. The location information providing server receiving the current location request searches for location information corresponding to the location information transmitted from the communication terminal. Then, the advertisement information of the sponsor related to the location information is added, and the information is returned to the communication terminal.

According to a second aspect of the present invention, there is provided a location information service system, comprising: a mobile communication terminal having a GPS positioning function; and a location information database storing latitude and longitude on the earth in correspondence with location information on a map. A system comprising at least an advertisement information database storing advertisement information of a sponsor who provides location information, comprising: a location information providing server, wherein the location information providing server is GPS-located from a communication terminal. Latitude,
When receiving the current location request command together with the longitude, return the location information corresponding to the latitude and longitude searched with reference to the location information database, adding the advertisement information of the related sponsor selected from the advertisement information database. It is characterized by.

[0008] In the mobile communication terminal according to the third aspect, a predetermined location information providing server connected to the network is called to make a predetermined current location request in which the current location information obtained by the GPS positioning is associated. It has a function of displaying the location information returned from the location information providing server that has received the current location request and the advertisement information of the sponsor related thereto on the display unit, and has a GPS positioning function.

[0009] The location information providing server according to a fourth aspect is connected to a network and connected via a wireless base station.
A communication server capable of two-way communication with a mobile communication terminal, a location information database storing latitude and longitude on the earth corresponding to location information on a map, and a sponsor advertisement providing location information At least an advertisement information database storing information, received a call from a communication terminal, and received a predetermined current position request command associated with a GPS-positioned latitude and longitude, and searched with reference to a location information database. The advertisement information of the related sponsor retrieved from the advertisement information database is added to the location information corresponding to the latitude and longitude, and the information is returned to the communication terminal.

According to a fifth aspect of the present invention, there is provided a location information service system, comprising: a movable communication terminal; a location information database storing latitude and longitude on the earth in association with location information on a map; and a sponsor providing location information. An advertisement information database storing advertisement information of, and a location information providing server comprising at least a radio base station information database storing the radio base station identification information in correspondence with the earth's latitude and longitude. The location information providing server, when receiving a current location request command from the communication terminal together with identification information obtained from the communicating wireless base station, the wireless base station information database,
Referring to the location information database, return the location information corresponding to the latitude and longitude calculated based on the received identification information of the wireless base station, adding the advertisement information of the related sponsor selected from the advertisement information database. It is characterized by the following.

In the mobile communication terminal according to the present invention, a predetermined location information providing server connected to the network is called, and the identification information of the wireless base station acquired between the mobile terminal and the wireless base station during communication. And a function to display on the display unit the location information returned from the location information providing server that has received the current location request and the sponsor's advertisement information related thereto.

[0012] The location information providing server according to claim 7 is connected to a network, and via a radio base station,
A communication server capable of two-way communication with a mobile communication terminal, comprising: a location information database storing latitude and longitude on the earth in association with location information; and a sponsor advertisement providing location information. At least a stored advertisement information database and a radio base station information database storing identification information of a radio base station in correspondence with latitude and longitude, receiving a call from a communication terminal, and associating the call with the identification information of the radio base station When the predetermined current location request command is received, the advertisement is added to the location information corresponding to the latitude and longitude calculated based on the identification information of the wireless base station, which is searched with reference to the wireless base station information database and the location information database. It is characterized by adding the advertisement information of the related sponsor retrieved from the information database and returning it to the communication terminal.

[0013] In the method for distributing location information from a network to a communication terminal according to claim 8, the communication terminal transmits a plurality of wireless base stations acquired by the communication terminal to a location information providing server connected to the network. A packet signal including the identification information and the electric field strength of the radio wave to each wireless base station is periodically transmitted, and the location information providing server decodes the packet signal every time the packet signal is received from the communication terminal. Calculating the moving distance between the current position of the communication terminal calculated according to the predetermined criterion and the current position of the communication terminal at the time when the location information was updated and transmitted before that, and When the distance is equal to or more than a predetermined value, the updated location information is returned with the advertisement information of the related sponsor added thereto.

A location information service system according to a ninth aspect includes identification information of a plurality of radio base stations obtained from a control channel transmitted from a radio base station, and electric field strength of a radio wave to each radio base station. A communication terminal equipped with a function to periodically transmit a packet signal to a location information providing server connected to the network, and the latitude and longitude on the earth are stored in association with the location information on the map. Location information database, advertisement information database that stores advertising information of sponsors who provide location information, radio base station information database that stores radio base station identification information in association with the earth's latitude and longitude, and decrypts received packets Then, the current position of the communication terminal calculated with reference to the wireless base station information database and the previously updated location information are transmitted. By calculating the difference between the current position of the communication terminal upon, and a moving distance determining means for determining the distance traveled, and by combining the location information providing server.

Each time the location information providing server receives a packet signal from the communication terminal, it decodes the packet signal, and when the travel distance determining means determines that the communication terminal has moved a predetermined distance or more, the location information database. From, searching for location information corresponding to the current location of the communication terminal at the time of receiving the packet signal, and searching for advertising information of the related sponsor from the advertising information database, adding the advertising information to the searched location information, It is characterized by sending a reply to the communication terminal.

According to a tenth aspect of the present invention, in the mobile communication terminal, the identification information of the plurality of radio base stations acquired from the control channel transmitted from the radio base station and the electric field strength of the radio wave for each radio base station are stored. It has a function of periodically transmitting a packet signal including the packet signal to a location information providing server connected to the network.

[0017] The location information providing server according to the eleventh aspect includes a location information database storing latitude and longitude on the earth corresponding to location information on a map, and an advertisement storing advertisement information of a sponsor providing location information. Information database, radio base station information database that stores radio base station identification information in association with the latitude and longitude on the earth, decodes received packets transmitted from communication terminals, and refers to the radio base station information database A moving distance determining unit that calculates a difference between the calculated current position of the communication terminal and the current position of the communication terminal when the previously updated location information is transmitted, and determines a moving distance.

Each time a packet signal is received from the communication terminal, the packet signal is decoded, and when it is determined by the moving distance determining means that the communication terminal has moved a predetermined distance or more, the packet signal is received from the location information database. Searching for location information corresponding to the current position of the communication terminal at the time, searching for advertisement information of the related sponsor from the advertisement information database, adding the advertisement information to the searched location information, and returning it to the communication terminal. It is characterized by.

In the method for distributing location information from a network to a communication terminal according to a twelfth aspect,
The location information obtained by GPS positioning at the communication terminal is periodically transmitted as a packet signal to a location information providing server connected to the network, and the location information providing server receives the packet signal from the communication terminal every time it receives the packet signal. Calculating the travel distance between the location information extracted from the packet signal and the current location of the communication terminal at the time when the location information was updated and returned before, and the travel distance is equal to or greater than a predetermined value. Is characterized in that a reply is made by adding the advertisement information of the related sponsor to the updated location information.

The location information service system according to the thirteenth aspect has a function of periodically transmitting a packet signal containing location information obtained by GPS positioning to a location information providing server connected to a network. It has a communication terminal, a location information database that stores the earth's latitude and longitude in association with location information on a map, an advertisement information database that stores advertising information of sponsors who provide location information, and decrypts received packets. And a moving distance determining means for calculating a difference between the current position of the communication terminal obtained as described above and the current position of the communication terminal at the time when the previously updated location information is transmitted, and determining a moving distance. , And a location information providing server.

Each time the location information providing server receives the packet signal from the communication terminal, it decodes the packet signal and, when the travel distance determining means determines that the communication terminal has moved by a predetermined distance or more, the location information database. From, searching for location information corresponding to the current location of the communication terminal at the time of receiving the packet signal, and searching for advertising information of the related sponsor from the advertising information database, adding the advertising information to the searched location information, It is characterized by sending a reply to the communication terminal.

According to a fourteenth aspect of the present invention, the mobile communication terminal has a GPS positioning function, and periodically transmits a packet signal including the position information obtained by the GPS positioning to a location information providing server connected to the network. It has a function to send.

A location information providing server according to a fifteenth aspect includes a location information database storing latitude and longitude on the earth corresponding to location information on a map, and an advertisement storing advertisement information of a sponsor providing location information. The information database calculates the difference between the current position of the communication terminal obtained by decrypting the received packet and the current position of the communication terminal at the time when the previously updated location information is transmitted, and determines the travel distance. Moving distance determining means.

Each time a packet signal is received from the communication terminal, the packet signal is decoded, and when it is determined by the moving distance determining means that the communication terminal has moved a predetermined distance or more, the packet signal is received from the location information database. Searching for location information corresponding to the current position of the communication terminal at the time, searching for advertisement information of the related sponsor from the advertisement information database, adding the advertisement information to the searched location information, and returning it to the communication terminal. It is characterized by.

In the method for distributing location information from a network to a communication terminal according to claim 16,
A packet signal including a pseudorange obtained by GPS positioning is periodically transmitted to a location information providing server connected to the network, and the location information providing server
G is calculated using the pseudorange extracted from the received packet signal.
By executing the PS positioning calculation, the travel distance between the position information obtained as the latitude and longitude and the current position obtained as the latitude and longitude of the communication terminal at the time when the location information is returned to the communication terminal before that is calculated. When the calculated travel distance is equal to or greater than a predetermined value, the updated location information is returned with the advertisement information of the related sponsor added thereto.

A location information service system according to a seventeenth aspect has a function of periodically transmitting a packet signal including a pseudorange obtained by GPS positioning to a location information providing server connected to a network. A communication terminal, a location information database storing latitude and longitude on the earth corresponding to location information on a map, an advertisement information database storing advertisement information of a sponsor providing location information, A GPS positioning calculation processing unit that performs GPS positioning using the pseudo distance,
In the GPS positioning calculation processing section, the pseudo position is calculated and processed, and the current position of the communication terminal obtained as latitude and longitude,
A location information providing server comprising: a travel distance discriminating unit for calculating a difference between the latitude and the current position obtained as longitude and latitude of the communication terminal at the time of transmitting the location information before that, and determining a travel distance. It is configured in combination.

Each time the location information providing server receives a packet signal from the communication terminal, it decodes the packet signal, and when the travel distance determining means determines that the communication terminal has moved a predetermined distance or more, the location information database. From, searching for location information corresponding to the current location of the communication terminal at the time of receiving the packet signal, and searching for advertising information of the related sponsor from the advertising information database, adding the advertising information to the searched location information, It is characterized by sending a reply to the communication terminal.

The mobile communication terminal according to the eighteenth aspect has a GPS positioning function, and periodically transmits a packet signal including a pseudo distance obtained by the GPS positioning to a location information providing server connected to a network. It has a function to send information dynamically.

A location information providing server according to a nineteenth aspect is a location information database storing latitude and longitude on the earth in correspondence with location information on a map, and an advertisement storing advertisement information of a sponsor providing location information. An information database, a GPS positioning operation processing unit that executes GPS positioning using the pseudorange included in the received packet,
In the S positioning calculation processing section, the pseudo distance is calculated and processed,
Movement to determine the travel distance by calculating the difference between the current position of the communication terminal obtained as latitude and longitude information and the current position of the communication terminal obtained as latitude and longitude when the location information was transmitted before that Distance determining means.

Each time a packet signal is received from the communication terminal, the packet signal is decoded, and when it is determined by the moving distance determining means that the communication terminal has moved a predetermined distance or more, the packet signal is received from the location information database. Searching for location information corresponding to the current position of the communication terminal at the time, searching for advertisement information of the related sponsor from the advertisement information database, adding the advertisement information to the searched location information, and returning it to the communication terminal. It is characterized by.

According to a twentieth aspect of the present invention, there is provided a method for distributing location information from a network to a communication terminal.
In any one of 12 and 16, the location information is obtained by combining the text information of the location with the map information.

In the location information service system described in claim 21, in any one of claims 2, 5, 9, 13, and 17, the location information is obtained by synthesizing map information with character information of the location.

[0033] In the method for distributing location information from a network to a communication terminal according to claim 22, in claim 20, the position information of the sponsor is displayed on the map information.

According to a twenty-third aspect of the present invention, in the location information service system, the location information of the sponsor is displayed on the map information.

In the location information service system according to claim 24, in any one of claims 2, 5, 9, 13, and 17, the location information providing server can provide advertisement information instead of the advertisement information database. It has an advertising sponsor address database that stores at least the communication address of the communication server of the sponsor and its location, and when receiving a current location request command from the communication terminal,
The communication terminal of the advertisement sponsor having a location adjacent to the current position of the communication terminal is searched, the communication server of the advertisement sponsor is accessed, and the advertisement information received from the communication server is transmitted to the communication terminal together with the location information. I try to reply.

In the location information service system described in claim 25, in any one of claims 2, 5, 9, 13, and 17, the location information providing server identifies the communication terminal of the customer who has accepted the provision of the location information. Further comprising a customer information database in which information and the genre of advertising information that the customer has approved for subscription are registered in advance, and upon receiving a location request from a communication terminal of the customer registered in the customer information database, It is characterized in that advertising information in which a genre for which a customer has approved a subscription is selected in advance is returned in addition to location information.

[0037] The program according to claim 26 is installed on the communication terminal side, requests the current location to the location information providing server, and displays the location information returned from the location information providing server on the communication terminal. A program for displaying a current location request command, generating a current location request command by associating the location information obtainable by the communication terminal, calling a location information providing server, and transmitting the current location request command. Then, a series of two-way communication is performed with the called location information providing server, and a series of processes necessary for receiving the location information added to the advertisement information returned from the location providing server are performed. The communication processing routine to be performed and the location information returned from the location information providing server are displayed on the display unit of the communication terminal together with the advertisement information. And a display processing routine for displaying as, moistened least, from the location information providing server, and to receive at the communication terminal to provide location information according to any of claims 1 to 25.

[0038]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an example of the configuration of the location information service system.
The location information providing server 2 includes an information transmitting unit 20 for transmitting information to the communication terminal 1, a position calculating unit 21 for calculating the position of the communication terminal 1, and a communication unit 22 for communicating with the communication terminal 1.
And an advertisement information database D from the sponsor (advertiser)
An advertisement registration unit 23 that registers an advertisement in B2, and a terminal position database DB3 that stores position information of the communication terminal 1.
And a location information database DB1 in which latitude and longitude on the earth are stored in association with location information on a map, and an advertisement information database DB2 in which advertisement information of a sponsor who provides location information is stored.

One of the communication terminals 1 is movable, and a terminal control unit 10 for controlling the operation of the communication terminal 1 and a G
GPS receiver unit 11 and GPS for realizing PS positioning function
An antenna 12, a communication unit 13 that communicates with the location information providing server 2, and a display unit 14 that displays map information and the like are provided.

In this system, the location information providing server 2 connected to the network is accessed from the communication terminal 1 to make a location request specifying the location information acquired by the communication terminal 1, and the location information receiving the location request is received. The providing server 2 searches for location information corresponding to the location information transmitted from the communication terminal 1, adds the sponsor's advertisement information related to the location information, and replies to the communication terminal 1. Thereby, the communication terminal 1 can receive the location information free of charge by the sponsor.

The position information acquired by the communication terminal 1 is
The present invention is not limited to those that directly indicate the position of the communication terminal 1. If a conversion table is used or a predetermined operation is performed based on the information, the position of the communication terminal on the map may be specified.

In this system, when the location information providing server 2 receives the current location request command together with the GPS-positioned latitude and longitude from the communication terminal 1, the location information providing server 2 searches the location information database DB1 for the latitude and longitude. The advertisement information of the related sponsor selected from the advertisement information database DB2 is added to the corresponding location information and returned.

The current position request command and the latitude measured by GPS,
As for the temporal relationship with the longitude, the latitude and longitude information may be transmitted to the server after the current location command is transmitted first and the GPS positioning is completed in the communication terminal 1. If both are related, they need not be transmitted at the same time, and may be transmitted in different packets.

The location information includes a location name on a map represented by a house display or the like. The advertisement information database DB2 periodically updates and saves the advertisement information of the sponsor who provides the location information, and links the advertisement information to the communication server of the sponsor so that the distributed advertisement information can be appropriately rewritten and stored. You may. In addition, the advertisement information of the related sponsor includes a store near the current location of the communication terminal 1 and the like.

The communication terminal 1 calls a predetermined location information providing server 2 connected to the network and
A predetermined current location request in which the current location information obtained by the positioning is associated is made, and the location information returned from the location information providing server 2 having received the current location request and the advertisement information of the sponsor related thereto are displayed on the display unit. 14 is provided.

The mobile communication terminal 1 is provided with a display unit 14 and can be applied to a mobile phone or a PHS having a GPS positioning function provided with a call function, a mobile navigation device having a data communication function, or the like. is there.

The current location request is not limited to the one transmitted at the same time as the current location information obtained by the GPS positioning. First, a request for the current location is made, screen information for transmitting guide information indicating that the current location request has been received is downloaded from the location information providing server 2, and the current position obtained by the GPS positioning is displayed during or after displaying the screen information. It may transmit information.

The location information providing server 2 is a communication server connected to a network and capable of two-way communication with a mobile communication terminal 1 via a radio base station. When a predetermined current location request command associated with the latitude and longitude measured by GPS is received, the location information corresponding to the latitude and longitude searched with reference to the location information database DB1 is searched from the advertisement information database DB2. The advertisement information of the related sponsor thus added is added, and the information is returned to the communication terminal 1.

In the present invention, when transmitting location information,
By transmitting information (advertisement information) of stores and facilities near the location together, the service usage fee can be made free to the user. That is, the cost for the service is collected from the advertiser.

The registration of the location may be made free of charge, and the use of the location may be made a fee. For example, when the owner of the communication terminal 1 performs location registration, and the location registrants mutually confirm the location, such as wanting to know a nearby person, when a third party uses the registered location, the usage fee is not charged. Pay.

Here, the location information is obtained by combining the text information of the location with the map information. Thereby, the location can be visually grasped. Further, there is no need to store map information in the communication terminal 1, and the location can be quickly grasped. The map information displays the position information of the sponsor. Thereby, the position of the sponsor can be visually grasped.

FIG. 2 shows an example of display on the communication terminal 1. As shown in FIG. 2 (a), the current position is displayed on a map, and the advertiser's shop and the like are displayed on the map. I have. For example, if a store on a map is selected, advertisement information such as the address of the store and business details is displayed. Also,
As shown in (b), location information based on an address can be provided.

As means for detecting the position, in addition to the GPS, there is also a method of calculating the position based on base station information of mobile communication. FIG. 3 shows the configuration of the location information service system in that case. ing. The communication terminal 1 does not have a GPS positioning function, and is different from the configuration shown in FIG. 1 in that the location information providing server 2 stores identification information of a wireless base station in association with latitude and longitude on the earth. The point that the wireless base station information database DB4 is further provided,
The difference is that a wireless base station information acquisition and transmission unit 15 is further provided instead of the GPS receiver unit 11 and the GPS antenna 12.

In the communication terminal 1, the radio base station information acquisition / transmission section 15 acquires and transmits a plurality of radio base station identification information and electric field strength. The position calculation unit 21 of the server 2 calculates the terminal position from the electric field strength and information in the wireless base station information database DB4 (base station position information based on the base station identification information sent from the terminal 1), The location information and the advertisement information are transmitted to the terminal 1 with reference to the location information database DB1 and the advertisement information database DB2 based on the terminal position.

When the communication terminal 1 communicates with the network,
Since the identification information of the wireless base station can be grasped, the identification information of the wireless base station acquired at the time of communication is transmitted to the server together with the current location request command. On the server 2 side, the latitude and longitude are calculated based on the base station identification information and the electric field strength by the radio base station information database DB4, and the calculated latitude and longitude are converted into the location information on the map by the location information database DB1. The information is converted and returned to the communication terminal 1 together with the advertisement information of the sponsor related to the location information.

That is, in this system, when the location information providing server 2 receives the current location request command from the communication terminal 1 together with the identification information acquired from the communicating wireless base station, the location information providing server 2 stores the location information Referring to the database DB1, the advertisement information of the related sponsor selected from the advertisement information database DB2 is added to the location information corresponding to the latitude and longitude calculated based on the received identification information of the wireless base station, and the information is returned. .

The mobile communication terminal 1 calls a predetermined location information providing server 2 connected to the network, and associates the identification information of the radio base station obtained with the radio base station during communication with the predetermined location information providing server 2. Is made, and the display unit 14 displays the location information returned from the location information providing server 2 that has received the current location request and the advertisement information of the sponsor related thereto.

The mobile communication terminal 1 is provided with a display unit 14 and a mobile phone having a telephone communication function, a PHS, a mobile computer or the like having a data communication function is applicable. The current location request is not limited to the one transmitted at the same time as the base station identification information obtained from the wireless base station.

When the location information providing server 2 receives a call from the communication terminal 1 and receives a predetermined current location request command associated with the identification information of the wireless base station, the location information providing server 2 stores the location information database DB4 and the location information database DB.
1 is added to the location information corresponding to the latitude and longitude calculated based on the identification information of the wireless base station, which has been searched with reference to No. 1, and the advertisement information of the related sponsor searched from the advertisement information database DB2. Reply to 1.

FIG. 4 shows still another configuration of the location information service system. Here, G
3 shows a configuration without the PS positioning function, and is different from the configuration shown in FIG. 3 in that the location information providing server 2 is further provided with a movement determination unit 24.

In the communication terminal 1, a plurality of radio base station identification information and electric field strengths are acquired and transmitted by the radio base station information acquisition / transmission section 15. The position calculation unit 21 of the server 2 calculates the terminal position from the electric field strength and the information in the wireless base station information database DB4 (base station position information based on the base station identification information sent from the terminal 1). Movement determination unit 2
In step 4, the position is calculated by a request from the terminal 1 or on the server 2 side, and the position is moved by a predetermined distance or more from the previous position (a distance between two points is calculated from the latitude and longitude) or the address is changed. Determine what has changed. If the movement is determined, the location information and the advertisement information after the movement are transmitted to the terminal 1.

When the terminal 1 decides to move,
When the position obtained by the server 2 is transmitted to the terminal 1 and it is determined that the terminal 2 has moved by comparing with the previous position, the server 2
Side requests the current location to obtain the location information and advertisement information after the movement.

That is, in this system, the communication terminal 1
A packet signal including the identification information of the plurality of wireless base stations acquired by the communication terminal 1 and the electric field strength of the radio wave to each wireless base station is periodically sent to the location information providing server 2 connected to the network. Each time the location information providing server 2 receives a packet signal from the communication terminal 1, the location information providing server 2 decodes the packet signal and calculates the current position of the communication terminal 1 calculated according to a predetermined criterion. Before that, the travel distance from the current position of the communication terminal 1 at the time when the location information is updated and transmitted is calculated, and if the travel distance is equal to or greater than a predetermined value, the related location information is updated. Reply with the sponsor's advertising information.

From the communication terminal 1, the location information providing server 2
, The identification information of the plurality of wireless base stations acquired by the communication terminal 1 and the electric field strength of the radio wave to each of the wireless base stations are periodically transmitted in the background in the form of packet signals.

Since the communication terminal 1 always receives the radio wave of the control channel from the surrounding radio base station with which communication is possible,
The communication terminal 1 generates a packet signal in which the identification information of the base station is added to the electric field strength (reception sensitivity of the radio wave) from those base stations, and periodically transmits the packet signal to the location information providing server 2.

The location information providing server 2 performs a predetermined calculation based on the base station identification information included in the received packet signal and the radio wave reception sensitivity information corresponding to each base station. , The approximate current position of the communication terminal 1 can be estimated, and from the estimated current position,
The communication distance to the current position of the communication terminal when the updated location information was provided before that is calculated, and when a predetermined movement is made, the location information is updated, and the advertisement information related thereto is added for communication. Send to terminal 1.

The location information providing server 2 prepares a table for converting the identification information of the base station into the installation position and the radio base station information database DB4, and stores the information transmitted from the communication terminal 1 in the form of a packet signal. For example,
If the positions of three or more base stations and the reception intensity of the radio wave for each base station are included, using triangulation,
The position of the communication terminal 1 with respect to the base station can be calculated in a pseudo manner.

The communication terminal 1 transmits, to the network, a packet signal containing identification information of a plurality of radio base stations obtained from a control channel transmitted from the radio base station and electric field strength of radio waves for each radio base station. It has a function to periodically transmit to the connected location information providing server 2.

The location information providing server 2 decodes the received packet transmitted from the communication terminal 1, and calculates the current position of the communication terminal 1 with reference to the radio base station information database DB4, and updates the current position of the communication terminal 1 before that. The movement determining unit 24 calculates a difference from the current position of the communication terminal 1 at the time of transmitting the location information, and determines a moving distance.
Is provided.

Each time the location information providing server 2 receives a packet signal from the communication terminal 1, the location information providing server 2 decodes the packet signal, and when the movement determination unit 24 determines that the communication terminal 1 has moved a predetermined distance or more, The location information database DB1 is searched for location information corresponding to the current location of the communication terminal 1 at the time of reception of the packet signal, and the advertisement information database DB2 is searched for related sponsor advertisement information. The information is added back to the communication terminal 1.

FIG. 5 shows still another configuration of the location information service system. Here, G
1 shows a configuration having a PS positioning function, and is different from the configuration shown in FIG. 1 in that a movement determination unit 24 is provided in the server 2.

The communication terminal 1 transmits the position information obtained by the GPS receiver 11. The location registration unit 21 of the server 2 stores the transmitted location information in the terminal location database DB3.
The movement determination unit 24 calculates the position in response to a request from the terminal 1 or on a regular basis in the server 2, and moves by a predetermined distance or more from the previous position (2 degrees from the latitude and longitude).
The distance between points is calculated) or the address is changed. If the movement is determined, the location information and the advertisement information after the movement are transmitted to the terminal 1. When the terminal 1 determines to move, the position need not be transmitted to the server 2.

That is, in this system, the communication terminal 1
From the communication terminal 1 to the location information providing server 2 connected to the network, the location information obtained by the GPS positioning is periodically transmitted as a packet signal. Each time a signal is received, the communication terminal 1 at the time when the location information extracted from the packet signal and the location information previously updated and returned are returned.
Is calculated, and if the distance is equal to or more than a predetermined value, the updated location information is returned with the advertisement information of the related sponsor added.

The communication terminal 1 has a GPS positioning function, and transmits a packet signal including position information obtained by GPS positioning to a location information providing server 2 connected to a network.
A function to periodically transmit to

The location information providing server 2 calculates the difference between the current location of the communication terminal 1 obtained by decrypting the received packet and the current location of the communication terminal 1 at the time when the location information updated before that is transmitted. The movement determining unit 24 is provided as a moving distance determining unit that calculates and determines the moving distance.

Each time the location information providing server 2 receives a packet signal from the communication terminal 1, the location information providing server 2 decodes the packet signal, and when the movement determination unit 24 determines that the communication terminal 1 has moved a predetermined distance or more, The location information database DB1 is searched for location information corresponding to the current location of the communication terminal 1 at the time of reception of the packet signal, and the advertisement information database DB2 is searched for related sponsor advertisement information. Reply to the communication terminal with the information added.

FIG. 6 shows another configuration of the location information service system. Here, the server 2 has GPS
1 shows a configuration having a positioning function. The configuration shown in FIG. 1 is different from the configuration shown in FIG. 1 in that the server 2 has a movement determination unit 24, a GPS positioning calculation processing unit 25, a decoding unit 26, a GPS signal processing unit 27, a GPS antenna 28, Is different from the communication terminal 1 in that a GPS signal processing unit 16 and a pseudo distance calculation unit 17 are provided in the communication terminal 1.

The communication terminal 1 transmits the pseudo distance required for the positioning calculation. The server 2 calculates the terminal position together with the satellite information obtained by GPS. Movement determination unit 2
In step 4, the position is calculated by a request from the terminal 1 or on the server 2 side, and the position is moved by a predetermined distance or more from the previous position (a distance between two points is calculated from the latitude and longitude) or the address is changed. Determine what has changed. If the movement is determined, the location information and the advertisement information after the movement are transmitted to the terminal 1. When the terminal 1 determines to move, the server 2
The position obtained on the side is transmitted to the terminal 1 side.

That is, in this system, the communication terminal 1
, A packet signal including a pseudorange obtained by GPS positioning is periodically transmitted to the location information providing server 2 connected to the network, and the location information providing server 2 extracts the packet signal from the received packet signal. The position information obtained as latitude and longitude by executing the GPS positioning operation using the pseudo distance and the current position obtained as the latitude and longitude of the communication terminal 1 at the time when the location information was returned to the communication terminal 1 before that Is calculated, and when the moving distance is equal to or more than the predetermined value, the updated location information is added with the advertising information of the related sponsor and returned.

The communication terminal 1 has a GPS positioning function, and periodically transmits a packet signal including a pseudorange obtained by the GPS positioning to the location information providing server 2 connected to the network. Is provided.

The location information providing server 2 performs a GPS positioning operation processing section 25 for executing GPS positioning using the pseudo distance included in the received packet, and the GPS positioning operation processing section 25 performs an arithmetic processing of the pseudo distance. Then, the difference between the current position of the communication terminal 1 obtained as the latitude and longitude and the current position obtained as the latitude and longitude of the communication terminal 1 at the time when the location information was transmitted before that is calculated, and the moving distance is calculated. A movement determining unit 24 is provided as a moving distance determining unit for determining.

Each time the location information providing server 2 receives a packet signal from the communication terminal 1, the location information providing server 2 decodes the packet signal, and when the movement determination unit 24 determines that the communication terminal 1 has moved a predetermined distance or more, The location information database DB1 is searched for location information corresponding to the current location of the communication terminal 1 at the time of reception of the packet signal, and the advertisement information database DB2 is searched for related sponsor advertisement information. Reply to the communication terminal with the information added.

The location information providing server 2 may perform GPS positioning using the pseudo distance included in the received packet, or may obtain GPS assist data on the communication terminal 1 side to perform positioning. In this case, the positioning information is sent to the server 2 side, and the server 2 determines the movement of a predetermined distance or more.

Next, still another configuration of the location information service system will be described. As shown in FIG. 7, the location information providing server 2 replaces the advertising information database DB2 with an advertising sponsor address database DB20 that stores at least the communication address of the communication server of the sponsor capable of providing the advertising information and the location. Prepare.

Note that the position detecting unit includes both a case where the communication terminal 1 has the GPS positioning function (see FIG. 1) and a case where the communication terminal 1 does not have the GPS positioning function (see FIG. 3). 18 shows a configuration provided with the same.

When the location information providing server 2 is called from the communication terminal 1 and receives a predetermined current location request command,
A search is made for a communication address of an advertisement sponsor having a location close to the current position of the communication terminal 1, access to a communication server of the advertisement sponsor, and advertisement information received from the communication server together with location information, together with the location information. 1
Provide a function to reply to

That is, in response to the current location request from the communication terminal 1, an advertisement sponsor close to the position of the communication terminal 1 is automatically searched, the communication server of the corresponding advertisement sponsor is accessed, and the advertisement acquired from the advertisement sponsor is accessed. The advertisement information of the sponsor is returned after being added to the location information searched in the location information database DB1.

The location information providing server 2 accesses the communication server of the advertisement sponsor near the current position of the communication terminal 1 and returns the advertisement information received therefrom. It may be such as to arrange a sponsor.

In the advertisement sponsor, if the advertisement information created in the communication server is updated and stored as needed, the latest advertisement information is timely distributed to unspecified prospects who have come to the vicinity. I can do it.

FIG. 8 shows still another configuration of the location information service system. Location information providing server 2
Further includes a customer information database DB5 in which the identification information of the communication terminal of the customer who has accepted the provision of the location information and the genre of the advertisement information that the customer has approved for subscription are registered in advance.

In this case, when the location request is received from the customer's communication terminal 1 registered in the customer information database DB5, the advertisement information in which the genre to which the customer has approved the subscription has been selected is returned in addition to the location information. I do.

Thus, when providing location information,
Advertising information of a specific genre can be selectively provided to a specific customer registered in advance. In addition, the latest information on the genre in which the customer is interested can be distributed so that the customer can be targeted and advertising activities can be performed.

FIG. 8 is different from the configuration shown in FIG. 1 in that the location information providing server 2 is provided with a transmission judgment unit 29 and a customer information database DB5. In addition, the advertisement information database DB2 also includes information of an advertisement transmission target, and refers to the customer information database DB5 to transmit the advertisement information only to the target user. For example, today's recommended menu is transmitted to men in their 30s and 40s whose izakaya are within a 1 km radius of the store.

In this case, the method of sending the advertisement information includes the case where the advertisement information is transmitted together with the position information in response to the current position request from the user, and the case where the terminal information position server DB 2 periodically sends the terminal position database DB3 and the customer information database DB5. May be searched and sent to the target person. In this case, the communication terminal 1 needs to register a position in the terminal position database DB3 periodically or when moving.

Next, a program for a location information providing service will be described. As schematically shown in FIG. 9, this program P is installed on the communication terminal 1 side and makes a current location request to the location information providing server 2.
And a program for displaying the location information returned from the location information providing server 2 on the display unit 14 of the communication terminal 1. The program associates the location information that can be acquired by the communication terminal 1 with the current location request command. The current location request command creation routine 50 for generating the location information providing server 2 is called, the current location request command is transmitted, and a series of two-way communication is performed with the called location information providing server 2 to generate the location information. A communication processing routine 51 for performing a series of processes required for receiving the location information added to the advertisement information, which is returned from the providing server 2, and the location information returned from the location information providing server 2, A location information providing server including at least a display processing routine 52 for displaying as image information on the display unit 13 of the communication terminal 1 together with the advertisement information. From, and to receive the provision of location information described above in the communication terminal 1.

[0096]

As can be understood from the above description, in the method for distributing location information from a network to a communication terminal according to claim 1 of the present invention, a location information providing server connected to the network from the communication terminal is provided. Access
The current location request specifying the location information acquired by the communication terminal is performed, and the location information providing server receiving the current location request searches for location information corresponding to the location information transmitted from the communication terminal, and obtains the location information. Will be sent back to the communication terminal with the sponsor's advertising information related to
The service usage fee can be made free by providing information by the sponsor.

[0097] In the location information service system according to the second aspect, the location information providing server transmits the G information from the communication terminal.
When the current position request command is received together with the latitude and longitude obtained by the PS positioning, the advertisement information of the related sponsor selected from the advertisement information database is added to the location information corresponding to the latitude and longitude searched with reference to the location information database. Since the reply is additionally provided, the service usage fee can be made free by providing the information by the sponsor.

In the mobile communication terminal according to the third aspect, a predetermined location information providing server connected to the network is called to make a predetermined current location request associated with the current location information obtained by the GPS positioning. It has a function to display the location information returned from the location information providing server that has received the current location request and the advertisement information of the sponsor related thereto on the display unit. Service is available.

The location information providing server according to claim 4 refers to the location information database when receiving a call from the communication terminal and receiving a predetermined current location request command associated with the GPS-positioned latitude and longitude. In addition to the location information corresponding to the latitude and longitude, the relevant sponsor's advertisement information retrieved from the advertisement information database is added to the location information, which is returned to the communication terminal. Can be provided.

According to a fifth aspect of the present invention, in the location information service system, when the location information providing server receives a current location request command from the communication terminal together with the identification information obtained from the communicating wireless base station, With reference to the location information database, the location information corresponding to the received identification information of the wireless base station is returned with the advertisement information of the related sponsor selected from the advertisement information database added. , The service usage fee can be made free.

In the mobile communication terminal according to the sixth aspect, the predetermined location information providing server connected to the network is called, and the identification information of the wireless base station obtained between the mobile terminal and the wireless base station during communication is obtained. Is provided with a function to display on the display unit the location information returned from the location information providing server that has received the current location request and the sponsor's advertisement information related thereto. By providing information by the sponsor, the location information service can be received free of charge.

The location information providing server according to claim 7 receives the call from the communication terminal and, when receiving a predetermined current location request command associated with the identification information of the wireless base station, stores the location information in the wireless base station information database. The advertisement information of the related sponsor searched from the advertisement information database is added to the location information corresponding to the identification information of the wireless base station searched with reference to the information database, and the information is returned to the communication terminal. With the provision, the location information service can be provided free of charge.

In the method for distributing location information to a communication terminal from a network according to the present invention, the location information providing server decodes the packet signal every time a packet signal is received from the communication terminal, and performs predetermined determination. The moving distance between the current position of the communication terminal calculated according to the reference and the current position of the communication terminal at the time when the location information was updated and transmitted before that is calculated, and the moving distance is equal to or more than a predetermined value. In the case of, the information is returned with the advertisement information of the related sponsor added to the updated location information, so that even if the communication terminal without the GPS positioning function moves, the location information is free of charge in accordance with the movement. You can receive information services.

In the location information service system according to the ninth aspect, each time the location information providing server receives a packet signal from the communication terminal, the location information providing server decodes the packet signal, and the communication distance is determined by the moving distance determining means. When it is determined that the mobile terminal has moved by more than the distance, the location information database is searched for location information corresponding to the current location of the communication terminal at the time of receiving the packet signal, and the advertising information database is searched for related sponsor advertisement information, Since the advertisement information is added to the searched location information and returned to the communication terminal, even if the communication terminal without the GPS positioning function moves, the location information service can be received free of charge in accordance with the movement. .

A mobile communication terminal according to claim 10, wherein the identification information of the plurality of radio base stations obtained from the control channel transmitted from the radio base station and the electric field strength of the radio wave to each radio base station are transmitted. Since the packet signal containing the packet is periodically transmitted to the location information providing server connected to the network, the location information service can be received in accordance with the movement even if the user moves.

[0106] The location information providing server according to claim 11 decodes the packet signal each time a packet signal is received from the communication terminal, and determines that the communication terminal has moved a predetermined distance or more. From
The communication terminal searches for location information corresponding to the current position of the communication terminal at the time of receiving the packet signal, and searches for advertisement information of the related sponsor from the advertisement information database, and adds the advertisement information to the searched location information. , So even if the communication terminal moves,
Location information service can be provided.

According to the method for distributing location information from a network to a communication terminal according to the twelfth aspect,
The location information obtained by GPS positioning at the communication terminal is periodically transmitted as a packet signal to a location information providing server connected to the network, and the location information providing server receives the packet signal from the communication terminal every time it receives the packet signal. Calculating the travel distance between the location information extracted from the packet signal and the current location of the communication terminal at the time when the location information was updated and returned before, and the travel distance is equal to or greater than a predetermined value. In this case, the updated location information is returned with the advertisement information of the related sponsor added thereto. Therefore, even if the communication terminal moves, the location information service can be received free of charge in accordance with the movement. In the location information service system according to claim 13, each time the location information providing server receives the packet signal from the communication terminal, the location information providing server decodes the packet signal and, when determining that the communication terminal has moved by a predetermined distance or more, The location information database is searched for location information corresponding to the current position of the communication terminal at the time of receiving the packet signal, and the advertisement information of the related sponsor is searched from the advertisement information database, and the advertisement information is added to the searched location information. Then, since a reply is sent to the communication terminal, even if the communication terminal moves, the location information service can be received free of charge in accordance with the movement.

The mobile communication terminal according to the fourteenth aspect has a GPS positioning function, and periodically transmits a packet signal containing the position information obtained by the GPS positioning to a location information providing server connected to the network. Since it has a function of transmitting information, even if it moves, it can receive a location information service in accordance with the movement.

[0109] The location information providing server according to claim 15 decodes the packet signal each time a packet signal is received from the communication terminal, and determines that the communication terminal has moved a predetermined distance or more. From
The communication terminal searches for location information corresponding to the current position of the communication terminal at the time of receiving the packet signal, and searches for advertisement information of the related sponsor from the advertisement information database, and adds the advertisement information to the searched location information. , So even if the communication terminal moves,
Free location information service.

In the method for distributing location information from a network to a communication terminal according to the present invention,
A packet signal including a pseudorange obtained by GPS positioning is periodically transmitted to a location information providing server connected to the network, and the location information providing server
G is calculated using the pseudorange extracted from the received packet signal.
By executing the PS positioning calculation, the travel distance between the position information obtained as the latitude and longitude and the current position obtained as the latitude and longitude of the communication terminal at the time when the location information is returned to the communication terminal before that is calculated. When the calculated distance is equal to or more than a predetermined value, the updated location information is returned with the advertisement information of the related sponsor added thereto, so that even if the communication terminal moves, Free location information service.

In the location information service system according to the seventeenth aspect, every time the location information providing server receives a packet signal from the communication terminal, the location information providing server decodes the packet signal,
When it is determined by the moving distance determining means that the communication terminal has moved by a predetermined distance or more, the location information database is searched for location information corresponding to the current location of the communication terminal at the time of receiving the packet signal, and from the advertisement information database. Search for relevant sponsor advertising information,
Since the advertisement information is added to the searched location information and returned to the communication terminal, even if the communication terminal moves, the location information service can be received free of charge in accordance with the movement.

The mobile communication terminal according to the eighteenth aspect has a GPS positioning function, and periodically transmits a packet signal including a pseudorange obtained by the GPS positioning to a location information providing server connected to the network. It has a function to send information dynamically, so even if you move,
You can receive location information service. Claim 19
The location information providing server described in the above, every time a packet signal is received from the communication terminal, decodes the packet signal, when it is determined that the communication terminal has moved a predetermined distance or more,
The location information database is searched for location information corresponding to the current position of the communication terminal at the time of receiving the packet signal, and the advertisement information of the related sponsor is searched from the advertisement information database, and the advertisement information is added to the searched location information. Then, since the reply is sent to the communication terminal, even if the communication terminal moves, the location information service can be provided free of charge in accordance with the movement.

In the method for distributing location information from a network to a communication terminal according to claim 20, the location information is:
Since the character information of the location is combined with the map information, the location can be visually grasped. In the location information service system according to the twenty-first aspect, the location information is obtained by combining the text information of the location with the map information.
The location can be grasped visually.

In the method for distributing location information from a network to a communication terminal according to the present invention, the position information of the sponsor is displayed on the map information, so that the position of the sponsor can be visually grasped. In the location information service system according to claim 23, since the position information of the sponsor is displayed on the map information, the position of the sponsor can be visually grasped.

In the location information service system according to the twenty-fourth aspect, the location information providing server transmits the location information from the communication terminal.
When receiving the current location request command, the communication terminal searches for the communication address of the advertisement sponsor having a location close to the current position of the communication terminal, accesses the communication server of the advertisement sponsor, and transmits the advertisement information received from the communication server. ,
Since the information is returned to the communication terminal together with the location information, the service usage fee can be made free by providing the information by the sponsor.

In the location information service system according to the twenty-fifth aspect, when the location information providing server receives a location request from a customer communication terminal registered in the customer information database, the genre to which the customer has previously approved the subscription. Will be returned in addition to the location information,
When providing location information, advertisement information of a specific genre can be selectively provided to a specific customer registered in advance. In addition, the latest information on the genre in which the customer is interested can be distributed so that the customer can be targeted and advertising activities can be performed.

According to the program described in claim 26,
Just by installing it on the communication terminal, it is possible to make a request for the current location to the location information providing server, and display the location information returned from the location information providing server together with the advertising information as image information on the display unit of the communication terminal. Can,
Free location information service.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an example of a configuration of a location information service system of the present invention.

FIG. 2 is a diagram illustrating a display example of a display unit of the communication terminal.

FIG. 3 is a block diagram showing another example of the configuration of the location information service system of the present invention.

FIG. 4 is a block diagram showing another example of the configuration of the location information service system of the present invention.

FIG. 5 is a block diagram showing another example of the configuration of the location information service system of the present invention.

FIG. 6 is a block diagram showing another example of the configuration of the location information service system of the present invention.

FIG. 7 is a block diagram showing another example of the configuration of the location information service system of the present invention.

FIG. 8 is a block diagram showing another example of the configuration of the location information service system of the present invention.

FIG. 9 is a diagram illustrating an example of a configuration of a program according to the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 communication terminal 2 location information providing server 11 GPS receiver section 15 wireless base station information acquisition transmitting section 24 movement determination section DB1 location information database DB2 advertising information database DB3 terminal location database DB4 wireless base station information database DB5 customer information database DB20 advertising sponsor Address database P program 50 Current location request command creation routine 51 Communication processing routine 52 Display processing routine

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G06F 17/60 326 G06F 17/60 326 G08G 1/137 G08G 1/137 H04B 7/26 H04B 7/26 M H04Q 7/34 106B 7/38 H04Q 7/04 D (72) Inventor Junichi Suzuki 1048 Omon Kadoma, Kadoma, Osaka Pref.Matsushita Electric Works, Ltd. Electric Works Co., Ltd. Ikuo 1048 Kazuma, Kazuma, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Kenji Okuno, Kazuma, Kazuma, Osaka 1048 Matsushita Electric Works Co., Ltd. (72) Inventor Kenji Kuramae Oka Kadoma, Kadoma City, Osaka 1048 Matsushita Electric Works Co., Ltd. (Ref.)

Claims (26)

[Claims] 1. A location information providing server connected to a network is accessed from a communication terminal to make a current location request specifying location information acquired by the communication terminal. Searching for location information corresponding to the location information transmitted from the terminal, adding sponsor advertisement information related to the location information, and returning the information to the communication terminal; How to distribute location information. 2. A mobile communication terminal having a GPS positioning function, a location information database storing latitude and longitude on the earth corresponding to location information on a map, and advertisement information of a sponsor providing location information. A location information service system comprising at least an advertisement information database storing an advertisement information database storing the location information providing server, the location information providing server comprising: When receiving the current location request command, return the location information corresponding to the latitude and longitude searched with reference to the location information database, adding the advertisement information of the related sponsor selected from the advertisement information database. A location information service system, characterized by: 3. A predetermined location information providing server connected to the network is called to make a predetermined location request in which the current location information obtained by the GPS positioning is associated, and a response is received from the location information providing server receiving the current location request. G provided with a function of displaying, on a display unit, the received location information and the related advertisement information of the sponsor.
A mobile communication terminal with a PS positioning function. 4. A communication server connected to a network and capable of two-way communication with a mobile communication terminal via a wireless base station, wherein a latitude and longitude on the earth are converted into location information on a map. A location information database that stores the location information in association with the advertisement information database that stores the advertisement information of the sponsor who provides the location information, receives a call from a communication terminal, and receives a call from a communication terminal; When receiving the current location request command, the communication terminal adds the advertising information of the related sponsor retrieved from the advertising information database to the location information corresponding to the latitude and longitude searched with reference to the location information database, and A location information providing server, wherein 5. A mobile communication terminal, a location information database storing latitude and longitude on the earth corresponding to location information on a map, an advertisement information database storing advertisement information of a sponsor who provides location information, A location information service system comprising a combination of a location information providing server and at least a radio base station information database in which identification information of a radio base station is stored in association with latitude and longitude on the earth, The location information providing server, when receiving the current location request command from the communication terminal together with the identification information acquired from the communicating wireless base station, refers to the wireless base station information database and the location information database, and The advertisement information data is added to the location information corresponding to the latitude and longitude calculated based on the identification information of the base station. By adding the relevant sponsor of the advertisement information selected from the base, characterized in that reply, the location information service system. 6. A predetermined location information providing server connected to the network is called to make a predetermined current location request in which the identification information of the radio base station obtained with the radio base station is associated with during communication. A mobile communication terminal having a function of displaying, on a display unit, location information returned from a location information providing server that has received a current location request and advertisement information of a sponsor related thereto. 7. A communication server connected to a network and capable of two-way communication with a mobile communication terminal via a radio base station, wherein a latitude and longitude on the earth are made to correspond to location information. A location information database storing advertisement information of sponsors who provide location information, and a radio base station information database storing identification information of radio base stations in correspondence with latitude and longitude. At least, when receiving a call from the communication terminal and receiving a predetermined current location request command associated with the identification information of the wireless base station,
The radio base station information database, the location information corresponding to the latitude and longitude calculated based on the identification information of the radio base station searched with reference to the location information database, and the associated sponsor searched from the advertisement information database. A location information providing server, wherein the location information providing server sends back the communication information to the communication terminal. 8. A communication terminal sends a location information providing server connected to a network, including identification information of a plurality of radio base stations acquired by the communication terminal and electric field strength of radio waves to each radio base station. Each time a packet signal is received from the communication terminal, the location information providing server decodes the packet signal and calculates the current position of the communication terminal according to a predetermined criterion. And the travel distance between the communication terminal and the current position of the communication terminal at the time when the location information was updated and transmitted before that, and when the travel distance is equal to or greater than a predetermined value, the updated location information includes A method of distributing location information from a network to a communication terminal, wherein a reply is made by adding advertisement information of a related sponsor. 9. A packet signal containing identification information of a plurality of radio base stations obtained from a control channel transmitted from a radio base station and electric field strength of a radio wave for each radio base station is connected to a network. A communication terminal equipped with a function to periodically transmit to the location information providing server, a location information database storing the latitude and longitude on the earth corresponding to the location information on the map, and a sponsor providing location information The advertisement information database that stores the advertisement information, the radio base station information database that stores the earth's latitude and longitude in association with the identification information of the radio base station, decodes the received packet, and refers to the radio base station information database Calculating the difference between the current position of the communication terminal calculated and the current position of the communication terminal when the previously updated location information is transmitted. And a location information providing server comprising a travel distance determining means for determining a travel distance. The location information providing server decodes the packet signal every time a packet signal is received from the communication terminal. When the moving distance determining means determines that the communication terminal has moved a predetermined distance or more, the location information database is searched for location information corresponding to the current location of the communication terminal at the time of receiving the packet signal, and A location information service system that searches for advertisement information of a related sponsor from an advertisement information database, adds the advertisement information to the searched location information, and returns the location information to the communication terminal. 10. A packet signal including identification information of a plurality of radio base stations obtained from a control channel transmitted from a radio base station and electric field strength of a radio wave to each radio base station is connected to a network. A mobile communication terminal having a function to periodically transmit to a location information providing server. 11. A location information database storing latitude and longitude on the earth in correspondence with location information on a map, an advertisement information database storing advertisement information of a sponsor providing location information, and identification information of a radio base station. The radio base station information database, which stores the latitude and longitude on the earth in association with each other, decodes the received packet transmitted from the communication terminal, and calculates the current position of the communication terminal with reference to the radio base station information database. Moving distance discriminating means for calculating a difference from the current position of the communication terminal when the previously updated location information was transmitted, and discriminating the moving distance, each time a packet signal is received from the communication terminal. When the communication distance is determined by the moving distance determining means to be greater than a predetermined distance, the location information database is read. Search for location information corresponding to the current location of the communication terminal at the time of receiving the packet signal from the source, search for the advertisement information of the related sponsor from the advertisement information database, and add the advertisement information to the searched location information. And a reply to the communication terminal. 12. The communication terminal periodically transmits, as a packet signal, position information obtained by GPS positioning at the communication terminal to a location information providing server connected to the network. Each time a packet signal is received from the terminal, the travel distance between the position information extracted from the packet signal and the current position of the communication terminal at the time when the location information was updated and returned before that is calculated, A method of distributing location information from a network to a communication terminal, wherein, when the travel distance is equal to or more than a predetermined value, the updated location information is returned with advertisement information of a related sponsor added thereto. 13. A communication terminal having a function of periodically transmitting a packet signal containing position information obtained by GPS positioning to a location information providing server connected to a network, A location information database storing latitude and longitude in association with location information on a map, an advertisement information database storing advertisement information of a sponsor providing location information, a current position of a communication terminal obtained by decoding a received packet, A location information providing server, comprising: a travel distance determining unit that determines a travel distance by calculating a difference from the current position of the communication terminal at the time when the updated location information is transmitted earlier. Each time the location information providing server receives a packet signal from the communication terminal, the location information providing server decodes the packet signal, and the communication distance is determined by the moving distance determination unit. When it is determined that the end has moved a predetermined distance or more, the location information database is searched for location information corresponding to the current location of the communication terminal at the time of receiving the packet signal, and the advertisement of the related sponsor is searched from the advertisement information database. A location information service system which searches for information, adds advertisement information to the searched location information, and returns the location information to a communication terminal. 14. A mobile communication having a GPS positioning function and a function of periodically transmitting a packet signal containing GPS-positioned position information to a location information providing server connected to a network. Terminal. 15. A location information database storing latitude and longitude on the earth corresponding to location information on a map, an advertisement information database storing advertisement information of a sponsor providing location information, and a received packet. Moving distance determining means for calculating the difference between the current position of the communication terminal and the current position of the communication terminal at the time when the previously updated location information was transmitted, and determining the moving distance. Each time a packet signal is received, the packet signal is decoded, and when the moving distance determining means determines that the communication terminal has moved a predetermined distance or more, the communication at the time of receiving the packet signal from the location information database is performed. Search for location information corresponding to the current location of the terminal, and search for the relevant sponsor's advertisement information from the advertisement information database. A location information providing server that adds advertisement information to the searched location information and returns the location information to the communication terminal. 16. A packet signal including a pseudorange obtained by GPS positioning is periodically transmitted from a communication terminal to a location information providing server connected to a network, and the location information providing server receives the packet signal. Performs a GPS positioning operation using the pseudorange extracted from the packet signal,
The travel distance between the position information obtained as the latitude and longitude and the current position obtained as the latitude and longitude of the communication terminal at the time when the location information was returned to the communication terminal before that is calculated, and the movement distance is determined by a predetermined distance. A method of distributing location information from a network to a communication terminal, wherein, when the value is equal to or more than the value, the updated location information is added with advertising information of a related sponsor and returned. 17. A communication terminal having a function of periodically transmitting a packet signal containing a pseudorange obtained by GPS positioning to a location information providing server connected to a network, and a latitude on the earth. , A location information database storing longitude in correspondence with location information on a map, an advertisement information database storing advertisement information of a sponsor providing location information, and a GP using a pseudo-range included in a received packet.
A GPS positioning calculation processing unit for performing S positioning; and a current position of the communication terminal obtained as latitude and longitude by performing a pseudo distance calculation in the GPS positioning calculation processing unit;
A location information providing server comprising: a travel distance discriminating unit for calculating a difference between the latitude and the current position obtained as longitude and latitude of the communication terminal at the time of transmitting the location information before that, and determining a travel distance. The location information providing server decodes the packet signal every time a packet signal is received from the communication terminal, and determines when the communication terminal has moved by a predetermined distance or more by the moving distance determination unit. Searching the location information database for location information corresponding to the current position of the communication terminal at the time of receiving the packet signal, and searching for advertisement information of the related sponsor from the advertisement information database, A location information service system wherein information is added and the information is returned to a communication terminal. 18. A movable mobile station having a GPS positioning function and a function of periodically transmitting a packet signal including a pseudorange obtained by GPS positioning to a location information providing server connected to a network. Communication terminal. 19. A location information database storing latitude and longitude on the earth corresponding to location information on a map, an advertisement information database storing advertisement information of a sponsor providing location information, and a received packet. A GPS positioning calculation processing unit that performs GPS positioning using the pseudo distance. In the GPS positioning calculation processing unit, a pseudo distance is calculated and processed, and the current position of the communication terminal obtained as information on latitude and longitude, and Latitude,
Calculate the difference from the current position of the communication terminal obtained as longitude,
Moving distance discriminating means for discriminating the moving distance, each time a packet signal is received from the communication terminal, the packet signal is decoded, and the moving distance discriminating means determines that the communication terminal has moved by a predetermined distance or more. Sometimes, the location information database is searched for location information corresponding to the current position of the communication terminal at the time of receiving the packet signal, and the advertisement information of the related sponsor is searched from the advertisement information database. A location information providing server, to which advertisement information is added and returned to a communication terminal. 20. The method for distributing location information from a network to a communication terminal according to any one of claims 1, 8, 12, and 16, wherein the location information is a combination of text information of a location and map information. . 21. The location information service system according to claim 2, wherein the location information is a combination of text information of a location and map information. 22. The method according to claim 20, wherein the location information of the sponsor is displayed on the map information, and the location information is distributed from the network to the communication terminal. 23. The location information service system according to claim 21, wherein position information of a sponsor is displayed on said map information. 24. In any one of claims 2, 5, 9, 13, and 17, the location information providing server includes a communication address of a communication server of a sponsor capable of providing advertisement information instead of the advertisement information database. And an advertisement sponsor address database storing at least the location of the communication terminal, and when receiving the current location request command from the communication terminal, the communication address of the advertisement sponsor having a location adjacent to the current location of the communication terminal. A location information service system which searches, accesses a communication server of the advertisement sponsor, and returns advertisement information received from the communication server to the communication terminal together with the location information. 25. The location information providing server according to any one of claims 2, 5, 9, 13, and 17, wherein the location information providing server identifies the communication terminal of the customer who has accepted the location information provision, and the customer approves the subscription. And a genre of the advertisement information registered in advance. When a location request is received from a communication terminal of the customer registered in the customer information database, the genre to which the customer has previously approved the subscription is displayed. A location information service system, characterized in that selected advertisement information is returned in addition to location information. 26. The location information installed on the communication terminal side, making a request for the current location to the location information providing server, and returning the location information returned from the location information providing server,
A program for displaying a current location request command for generating a current location request command by associating location information that can be obtained by the communication terminal with a program for displaying on a display unit of the communication terminal; A request command is transmitted to perform a series of two-way communication with the called location information providing server, and to receive location information added to the advertisement information returned from the location providing server. At least a communication processing routine for performing a series of processing, and a display processing routine for displaying the location information returned from the location information providing server as image information on the display unit of the communication terminal together with the advertisement information, The communication terminal receives the provision of the location information described in any one of claims 1 to 25 from the location information providing server, Program for location information service.