JP2000134671A - Information service system, its communication terminal and information service method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide information according to the position of a user in an information service system providing information from an information providing server to a communication terminal. SOLUTION: In this information service system, the communication terminal 10 receives CS-ID of base stations CS31, CS32 in the neighborhood. In the case of requiring neighborhood information, CS-ID of CS31, CS32 is transmitted to the information providing server 20 through CS31. The information retrieving means 22 of the server 20 retrieves providing information recorded in an information recording means 23 related with CS-ID by using received CS-ID and transmits retrieved providing information to the equipment 10, which displays received providing information on a display means 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information service system in which information is provided from an information providing server to a communication terminal device, and more particularly to a communication terminal which performs communication via a plurality of base stations having a unique base station number. The present invention relates to an information service system in which information is provided to a device.

[0002]

2. Description of the Related Art Conventionally, in a communication terminal used while moving, such as a mobile phone, various services using position information have been provided. An example of a conventional information service system using location information is a personal handy phone system (hereinafter referred to as P
HS). FIG. 6 is a configuration diagram of a conventional information service system using PHS for communication between an information providing server and a communication terminal device.

In the PHS, a plurality of base stations (hereinafter, referred to as CS) are arranged at intervals of several hundred meters, and each CS transmits a unique base number (hereinafter, referred to as CS-ID) at regular intervals. are doing. The communication terminal device carried by the user monitors the electric field strength of the nearby CS, registers the position with the CS indicating the stronger electric field strength, and receives the CS-ID. As described above, since the position of the CS with which the user is communicating can be grasped by the server, the position information of the user can be obtained.

[0004] An information service system using such a PHS includes a communication terminal device 60, a CS31 that communicates with the communication terminal device 60, and other CS3s located in the vicinity.
2, CS 33, access point 40, service network 50, and information providing server 70.

The communication terminal device 60 has a communication function for communicating with the information providing server 70 via the CS and the CS, and a display function for displaying information. It registers its location with a CS indicating stronger electric field strength and receives its CS-ID. C
S31, 32, and 33 are base stations arranged at predetermined intervals, and each transmit a unique CS-ID at regular intervals. The information providing server 70 holds a CS-ID database and a database that records information near CSs 31, 32, and 33, and can search for information using the CS-ID.

[0006] The communication terminal device 60 is connected to the nearest CS.
31, and receives its CS-ID. When the CS-ID of the CS 31 is transmitted from the communication terminal device 60,
The CS-ID of the CS 31 is input to the information providing server 70 via the CS 31, the access point 40, and the service network 50. The information providing server 70 searches the provided information associated with the CS 31 using the received CS-ID of the CS 31, and transmits the searched provided information to the communication terminal device 60. This provided information is input to the communication terminal device 60 via the service network 50, the access point 40, and the CS 31, and the communication terminal device 60
Is displayed with.

[0007]

However, in such a conventional information service system, since only the CS-ID of the CS that is communicating with the information providing server is transmitted, it is associated with other nearby CSs. There is a problem that the obtained information cannot be obtained. For example, even if a plurality of CSs exist in a range that can be received from the position of the user holding the communication terminal device, only information associated with one of the CSs is provided.

[0008] The present invention has been made in view of the above points, and an object of the present invention is to provide an information service system for providing information according to the position of a user, a communication terminal device thereof, and an information service method. And

[0009]

According to the present invention, in order to solve the above-mentioned problem, information is transmitted from an information providing server which manages various information to a communication terminal via a plurality of base stations having a unique base station number. In the information service system provided, a communication means for communicating with the base station and an information providing server via the base station, and the communication means receiving the base station number and providing the base station number with the information A communication terminal device having information obtaining means for transmitting to a server and obtaining provided information associated with the base station number, and display means for displaying the provided information obtained by the information obtaining means; and A communication unit that communicates with the communication terminal device via an information recording unit that records provided information associated with the base station number; Ri said providing information to search information retrieval means and the information service system, characterized in that it consists of an information providing server having, is provided.

[0010] In the information service system having such a configuration, the communication terminal apparatus receives the base station number of a nearby base station. If information is to be provided, the base station number of a nearby base station is transmitted to the information providing server. Using the received base station number, the information providing server searches for provided information recorded in association with the base station number,
The retrieved provided information is transmitted to the communication terminal device. The communication terminal device displays the received provided information.

Also, in a communication terminal device of an information service system in which information is provided from an information providing server that manages various information via a plurality of base stations having a unique base station number, the base station and the base station Communication means for communicating with the information providing server via the communication means, and the provided information associated with the base station number by receiving the base station number by the communication means and transmitting the base station number to the information providing server Information obtaining means for obtaining, and display means for displaying the provided information obtained by the information obtaining means,
A communication terminal device characterized by having:

The communication terminal device having such a configuration receives the base station number of a nearby base station and transmits this base station number to the information providing server as necessary. Receives the provided information associated with the base station number sent from the information providing server and displays it.

[0013] Further, in the information service method of an information service system in which information is provided to a communication terminal device from an information providing server that manages various information via a plurality of base stations having a unique base station number, The apparatus receives the base station number from a nearby base station, transmits the received base station number to the information providing server, and the information providing server records provided information associated with the base station number. Receiving the base station number of the base station in the vicinity from the communication terminal device, searching the provided information by the received base station number, transmitting the extracted provided information to the communication terminal device, Receiving the provided information, the communication terminal apparatus displays the received provided information.

In the information service method of such a procedure,
The communication terminal device receives the base station number of a nearby base station and, if necessary, transmits this base station number to the information providing server. The information providing server records the provided information associated with the base station number, and searches for the provided information using the received base station number. The retrieved provided information is transmitted to the communication terminal device and displayed on the communication terminal device.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of an information service system according to an embodiment of the present invention. An information service system according to an embodiment of the present invention includes a communication terminal device 10 that a user can carry and move, and CS31 and CS32 that are communication base stations that enable communication of the communication terminal device 10. , And an information providing server 20 that provides information around the base station. CS31, CS
The base station including the base station 32 periodically transmits CS-ID, which is a base station number unique to the base station.
Receives the CS-ID, selects the most suitable CS, and communicates with, for example, the information providing server 20 via the CS. If the communication status with the CS that is currently talking is worsened by moving, the next CS
A selection is made.

The communication terminal device 10 includes a communication unit 11 for performing communication processing, an information obtaining unit 12 for obtaining information from outside,
And display means 13 for displaying the obtained information. The communication means 11 includes CS31, CS32, and CS
The communication with the information providing server 20 is performed via the CS 31 or the CS 32. CS-ID transmitted by CS31 and CS32
Is received, the electric field strength of the received signal is detected, and communication is normally performed with CS having the strongest electric field strength. In this case CS
31 has been selected, and communication with the information providing server 20 is performed via the CS 31. Information acquisition means 12
Is a means to obtain information from outside, and CS-I
D and, if necessary, the provided information via the communication means 11. When it is desired to obtain information from the information providing server 20, the received CS-ID is transmitted to the information providing server 20.
Send to The display unit 13 displays various information including the information obtained by the information obtaining unit 12.

The information providing server 20 includes a communication unit 21 for performing communication processing, an information searching unit 22 for searching information recorded in the information recording unit 23 according to conditions, and an information recording unit which is a database in which information is recorded according to rules. 2
And 3. The communication means 21 communicates with the communication terminal device 10 via CS31 or CS32. When the communication terminal device 10 requests information, the communication terminal device 10 receives information including the nearby CS-ID transmitted from the communication terminal device 10, and transmits the result searched by the information search means 22 to the communication terminal device 10. The information search means 22 receives the C
The provision information recorded in the information recording unit 23 is searched using the S-ID, and the result is output to the communication unit 21. The information recording unit 23 records information associated with the CS-ID.

Both CS 31 and CS 32 are located within the receivable range of communication terminal device 10. Of these, CS3
1 communicates with the communication terminal device 10 and
And the information providing server 20 is relayed.

The operation of the information service system having such a configuration and the information service method will be described. CS3
1 and the CS 32 periodically transmit their CS-IDs. The communication terminal device 10 receives the CS-ID and detects the electric field strength of the received signal. Then, normally, the CS having the highest electric field strength (in this case, CS3
Communication is performed by selecting 1). Such CS-ID
Is performed when communication is started in response to a request from the user. In addition, C who is currently talking
The call state with S may be deteriorated by the user moving, and may be performed every handover for selecting the next CS. CS of CS31 and CS32 within the receivable range
The S-ID is output to the information obtaining means 12 and stored. If provided information such as information near the current position is required, the CS of the CS 31 and CS 32 within this receivable range
The S-ID is transmitted to the information providing server 20 via the CS 31. The information providing server 20 transmits the CS-ID to the communication unit 2
1 to receive. The information search means 22 receives the received C
The information recorded in the information recording means 23 is searched using the S-ID. The retrieved information is transmitted by the communication unit 21 and received by the communication unit 11 of the communication terminal device 10 via the CS 31. This information is displayed by the display unit 13 via the information obtaining unit 12.

Next, an information service system according to an embodiment of the present invention will be described using an example in which a PHS is used for communication between an information providing server and a communication terminal device. FIG. 2 is a configuration diagram of an information service system according to an embodiment of the present invention. This information service system includes a communication terminal 10
a, base stations CS31a, CS32 located in the vicinity
a, a CS 33a, an access point 40, a service network 50, and an information providing server 20a.

As described above, the communication terminal device 10a includes the CSs 31a, 32a, 33a and the CSs 31a, 32a.
a, 33a, an access point 40, and a communication means for communicating with the information providing server 20a via the service network 50, an information obtaining means for obtaining information from outside, and a display means for displaying information. .

As described above, the information providing server 20a includes the service network 50 and the access point 4
0, and communication means for communicating with the communication terminal device 10a via the CSs 31a, 32a, and 33a, information search means for searching information recorded by the received information, and information recording means for recording information. are doing. In this recording means, a database of the CS-ID of each CS and a database recording information near this CS are recorded.
-Information can be searched using the ID.

CS31a, CS32a and CS33a are:
The base stations are arranged at predetermined intervals, and each transmit a unique CS-ID at regular intervals. In addition, it connects to the information providing server 20a via the communication terminal device 10a, the access point 40, and the service network 50. The reception range of CS31a, CS32a, and CS33a and the positional relationship of communication terminal device 10a will be described.
FIG. 3 is an example in which a communication terminal device is located in a plurality of CS cells in the information service system according to an embodiment of the present invention. As described above, the communication terminal device 10a
It is in the position where the cells of S31a, CS32a and CS33a overlap.

Returning to FIG. The operation of the information service system having such a configuration and the information service method will be described.

When starting communication in response to a request from a user, the communication terminal device 10a searches for a valid CS at that time. In this case, CS31a, CS32a, CS33
a is detected. At this time, the electric field strength of the received signal is sensed, and usually, a partner having the strongest electric field strength is selected as a communication partner and a call is made. Here, CS 31a is selected as a communication partner. Here, the CS-ID is 81 for CS31a.
2311110291, CS32a is 81230001
3029 and CS33a are 812311112812.

With the above processing, the PIAFS (PHS Int) is established between the communication terminal 10a and the access point 40.
ernet Access Forum Standa
rd) Communication is enabled. Then on this link, PPP
(Point-to-Point Protocol)
A session is established, and preparation for data transmission between the communication terminal device 10a and the information providing server 20a is completed. After this, CHAP (Challenge Handshak)
e Authentication Protocol
l) and PAP (Password Authenti
Authentication is performed by the C.C. Protocol, and it is confirmed that the user is an authorized user.

Thereafter, the communication terminal device 10a sends an HTTP (Hyper) to the information providing server 20a to request information.
er Text Transfer Protocol
1) Send the request. For example, the following ULI (Unif)
Orm Resource Indicator).

GET / myplace. html HTTP / 1.0 At this time, the retrieved CS-ID is included. For example: GET / myplace. html? CSmain = 8
12311110291 & CSsub = 8123000
13029,812311112812 HTTP /
1.0 The CS-ID may be included in the extension header.

GET / myplace. html HTTP / 1.0 X-CSmain: 812311110291 X-CSsub = 812300013029, 8123
11112812 Further, the electric field strength detected at the time of acquiring the CS-ID can be included.

GET / myplace. html HTTP / 1.0 X-CSmain: 812311110291: 50d
b X-CSsub = 81230013029: 23d
b, 812311112812: 29 db In this example, the electric field strength is 50 db for CS31a and CS3 for CS31a.
2a becomes 23 db, and CS33a becomes 29 db.

The operation of the information providing server 20a receiving the information and the information service method will be described. First, information recorded on the information providing server 20a will be described. FIG. 4 is an example of provided information managed by the information providing server 20a of the information service system according to the embodiment of the present invention. The information providing server 20a has a CS-ID database 23a and a position information database 23b in an information recording unit. The CS-ID and the information data are related by an internal key.

The information providing server 20a analyzes the URI or the extension header and acquires the CS-ID included in the URI or the extension header. The CS-ID database 23a is searched and converted to a corresponding internal key. Next, the location information database 23b is searched using the converted internal key. For example, in the case of CS 31a, the CS-ID database 23a
Is searched for an internal key 0003, and "TOWER RECORDS secret personality appears!" Is searched for from the position information database 23b. Similarly, CS32
a, CS33a information is also obtained.

The information obtained in this manner is edited so that it can be easily viewed on the communication terminal device 10a. FIG. 5 is an example of information provision of an information service system according to an embodiment of the present invention. In this case, the communication terminal device 10a uses HTML
(Hyper Text Markup Langua
ge) browser. The notation order of the searched information is the CS-I transmitted from the communication terminal device 10a.
The order may be D, or when the electric field strength is sent, the fields may be arranged in descending order of the electric field strength.
The provided information edited in this way is transmitted to the communication terminal device 10a via the reverse route, that is, the service network 50, the access point 40, and the CS 31a. In the communication terminal device 10a, the received HTM
Convert the provided information in L format into display information and display screen 13a
To be displayed.

In the above description, the edit file is in HTML format, but the communication terminal device 10a transmits the edit file in HDML (Handh).
eld Device Markup Language
If it corresponds to e), it can be HDML. For what the communication terminal device supports, refer to the User-Agent header in the HTTP header described above.

The above processing functions can be realized by a computer. In this case, the processing contents of the functions that the information service system should have are described in a program recorded on a computer-readable recording medium. Then, by executing this program on a computer, the above processing is realized on the computer. As a computer-readable recording medium,
There are a magnetic recording device and a semiconductor memory. When distributing in the market, CD-ROM (Compact Disk Read Only Mem
ory) or a floppy disk or other portable recording medium to store and distribute the program, or store it in a storage device of a computer connected via a network,
It can also be transferred to other computers over a network. When the program is executed by the computer, the program is stored in a hard disk device or the like in the computer, and is loaded into the main memory and executed.

[0036]

As described above, according to the present invention, the communication terminal device receives the base station number of a nearby base station, and transmits this base station number to the information providing server as needed. The information providing server uses the received base station number to
The provided information is searched and transmitted to the communication terminal device. The communication terminal device displays the received provided information. Since this base station number is information indicating the current position of the user, for example, if all base station numbers in the vicinity are transmitted, all the provided information near the current position of the user can be obtained. .

Further, the communication terminal apparatus of the present invention receives the base station number of a base station located in the vicinity, and transmits this base station number to the information providing server as needed, so that the information And display it. By transmitting the base station number of the base station near the communication terminal device to the information providing server, the provided information near the current position of the user can be obtained in a wider range than before.

According to the information service method of the present invention, the communication terminal device receives the base station number of a nearby base station, and transmits the base station number to the information providing server as needed. The information providing server searches the provided information using the received base station number and transmits the information to the communication terminal device. The provided information is received and displayed by the communication terminal device. By transmitting the base station number of a nearby base station received by the communication terminal device to the information providing server, the information providing server can provide the provided information corresponding to the position of the user in a wider range than before. Can be. The received provided information is displayed on the communication terminal device, and the user can obtain information in a wider area.

[Brief description of the drawings]

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

FIG. 2 is a configuration diagram of an information service system according to an embodiment of the present invention.

FIG. 3 is an example in which a communication terminal device is located in a plurality of CS cells in the information service system according to an embodiment of the present invention.

FIG. 4 is an example of provided information managed by an information providing server of the information service system according to the embodiment of the present invention;

FIG. 5 is an example of information provision of an information service system according to an embodiment of the present invention.

FIG. 6 is a diagram illustrating a PH used for communication between an information providing server and a communication terminal device.
1 is a configuration diagram of a conventional information service system using S. FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Communication terminal device, 11 ... Communication means, 12 ... Information acquisition means, 13 ... Display means, 20 ... Information provision server, 21 ... Communication means, 22 ... Information Search means, 23 ...
Information recording means, 31, 32, 33 ... base station (C
S), 60 ... Conventional communication terminal device, 70 ... Conventional information providing server

Claims (9)

[Claims] 1. An information service system in which information is provided to a communication terminal device from an information providing server that manages various information via a plurality of base stations having a unique base station number, wherein the base station and the base station are provided. Communication means for communicating with an information providing server through the communication means; and providing information associated with the base station number by receiving the base station number by the communication means and transmitting the base station number to the information providing server. A communication terminal device, comprising: a communication terminal device that communicates with the communication terminal device via the base station; anda communication device that communicates with the communication terminal device via the base station. Information recording means for recording provided information associated with the base station number; and information search means for searching for the provided information by the received base station number. Information service system characterized in that it consists of an information providing server for. 2. The information obtaining means of the communication terminal device receives the base station numbers of all base stations within a receivable range and transmits all the obtained base station numbers to the information providing server. 2. The information service system according to claim 1, wherein the information search means of the information providing server is a means for searching for the provided information on all received base station numbers. 3. The information service system according to claim 1, wherein said information obtaining means of said communication terminal device can further detect an electric field strength of a signal received from said base station. 4. The information service system according to claim 3, wherein the information obtaining means of the communication terminal device further detects the electric field strength at every handover for changing a base station with which the mobile terminal communicates. 5. The information service system according to claim 3, wherein the information obtaining means of the communication terminal device is means for transmitting the detected electric field strength of each base station together with the base station number. 6. A communication terminal device of an information service system in which information is provided from an information providing server that manages various information via a plurality of base stations having unique base station numbers, wherein the base station and the base station Communication means for communicating with an information providing server through the communication means; and providing information associated with the base station number by receiving the base station number by the communication means and transmitting the base station number to the information providing server. A communication terminal device comprising: an information obtaining unit that obtains the information; and a display unit that displays the provided information obtained by the information obtaining unit. 7. The information obtaining means of the communication terminal device receives the base station numbers of all base stations within a receivable range and transmits all the obtained base station numbers to the information providing server. 7. The communication terminal device according to claim 6, wherein the communication terminal device performs the operation. 8. An information service method of an information service system in which information is provided to a communication terminal device from an information providing server that manages various information via a plurality of base stations having a unique base station number, wherein the communication terminal The apparatus receives the base station number from a nearby base station, transmits the received base station number to the information providing server, and the information providing server records provided information associated with the base station number. Receiving the base station number of the base station in the vicinity from the communication terminal device, searching for the provided information by the received base station number, transmitting the extracted provided information to the communication terminal device, An information service method comprising: receiving the provided information; and displaying the received provided information. 9. The step of receiving the base station number from the nearby base station is a step of receiving the base station numbers of all base stations within a receivable range, wherein the received base station number Is a step of transmitting all the obtained base station numbers to the information providing server. The step of searching for the provided information by the received base station number is a step of 9. The information service method according to claim 8, further comprising a step of searching for the provided information of all numbers.