JPH11275632A - Communication equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide communication equipment, which not only detect the base station nearest to a mobile communication terminal whose porition is to be detected, but also minutely detect the position of the terminal in the area of the base station. SOLUTION: A center equipment 2, radio base station equipment 3 and a position measuring instrument 1 which are connected to each other via the center equipment 2, and mobile communication terminals 4, which are connected to each other through the base station equipment 3, are provided and the center device 2 corresponds audio or data with the terminals 4 through the base station equipment 3 and electronic mail with the position measuring instrument 1 via a LAN 8. The center equipment 2 is provided with a means which transmits and receives character information to and from the terminals 4 via the base station equipment 3 and each terminal 4 is provided with a means which measures the intensities of radio waves from a plurality of radio base station devices 3, 6, and 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication device comprising a radio base station and a mobile communication terminal, which is suitable for use in detecting the position of the mobile communication terminal.

[0002]

2. Description of the Related Art In a communication device including a radio base station and a mobile communication terminal such as a PHS (Personal Handy Phone System) terminal, a position information providing system, which is a system for detecting the position of a conventional mobile communication terminal, includes a positioning system. In response to a request from the device, a center device that manages the wireless base station device or the like detects the position closest to the PHS terminal to be detected, and transmits that information to a LAN (local area network) and WAN (wide area network). It has a function of circulating through a connected network (in this case, a communication network different from the PHS communication path), and notifying the requesting positioning device.

An operation sequence for providing position information in the above-described conventional position information providing system is roughly as follows. First, the PHS terminal performs location registration at any time in the following sequence. (Registration) PHS terminal → Location registration request → Wireless base station device → Center device (CS
(Base station) number registration). Then, the registered position is read out as follows each time a request is issued from the positioning device.
(Reading) Positioning device → PS position request → Center device → Positioning device (CS number acquisition).

[0004]

In the conventional mobile communication terminal location detection service, information as to which base station is closest to the location of the mobile terminal is used. Therefore, the location in the base station area is described in detail. Could not be detected.

In another form of the mobile communication terminal location detection service, a personal computer is connected to the mobile communication terminal, and the electric field strength data of the radio base station apparatus detected by the mobile communication terminal is connected to the mobile communication terminal. Once stored in a personal computer, the data is transmitted to a telephone number of an arbitrary center device, and data is transmitted by data communication. In such a system, various data processing can be performed on the detected data by the personal computer on the mobile terminal side. However, it is necessary to add a personal computer to the mobile communication terminal side, and it is necessary to operate the personal computer to measure the electric field strength of the wireless base station device. It is not suitable for detecting the position of a communication terminal.

SUMMARY OF THE INVENTION The present invention provides a communication apparatus capable of detecting not only the base station to which a mobile communication terminal whose position is to be detected but also the location within the base station area in detail. The purpose is to provide. Another object of the present invention is to provide a communication device capable of processing obtained information at an arbitrary time without providing special means for data communication and data processing. I do.

[0007]

[MEANS FOR SOLVING THE PROBLEMS] To solve the above problems. The invention according to claim 1 includes a center device, a radio base station device and a positioning device connected via the center device,
A mobile communication terminal connected via the wireless base station device, the center device performs voice or data communication with the mobile communication terminal via the wireless base station device, and e-mail communication with the positioning device via the LAN A communication device that performs
The center device includes means for transmitting and receiving character information to the mobile communication terminal via the wireless base station device,
The mobile communication terminal includes means for measuring the intensity of the electromagnetic wave from the wireless base station device.

According to a second aspect of the present invention, the positioning device includes a map information database, an installation position database of the wireless base station device, and an electric field intensity map database around the wireless base station. The device is characterized by comprising means for performing data communication with the positioning device by e-mail. Further, in the invention according to claim 3, the positioning device is a means of an e-mail server that receives an e-mail from the center device, extracts the e-mail from the e-mail server, and stores the e-mail in a specific e-mail holder. An e-mail client, wherein the e-mail server includes means for transmitting a notification of the arrival of the e-mail to the e-mail client when the e-mail arrives; And a means for receiving an e-mail from the e-mail server.

According to a fourth aspect of the present invention, the center device includes a means of an e-mail server for receiving the e-mail, and an e-mail server for extracting the e-mail from the e-mail server and storing the e-mail in a specific e-mail holder. Means for sending a notification of the arrival of the e-mail to the e-mail client when the e-mail arrives, the e-mail client comprising: Means for receiving a notification and retrieving an e-mail from the e-mail server; and transmitting / receiving data to / from the positioning device by the e-mail.

[0010] In the above configuration, the positioning device of the present invention can send the position of the mobile communication terminal to any center device by e-mail when a position detection request of the designated mobile communication terminal is received from the outside at an arbitrary timing. Send a request for detection. The center device searches for the other center device whose location is registered by the mobile communication terminal and forwards the e-mail to the relevant center device so that the mobile device can be used daily without being aware of the location of the mobile communication terminal. It is possible to use a center device that performs the operation.

The center device with which the mobile communication terminal has registered the position notifies the mobile wireless terminal of a position detection request by using the character information added to the telephone exchange control data. The mobile radio terminal once disconnects and opens the telephone line, measures and accumulates a plurality of electric field strengths of radio waves arriving from the nearest radio base station apparatus, and, when the measurement is completed, sends a special number to the corresponding center apparatus. Send by. The center device is
The special number is identified, and a state is received in which the electric field strength data of the radio base station apparatus from the mobile communication terminal is received as character information added to the telephone exchange control data. After receiving the electric field strength data from the mobile communication terminal as character information, the telephone line with the mobile communication terminal is disconnected and opened, so that the user of the mobile communication terminal can operate the terminal without operating the terminal. It becomes possible to acquire data.

The center device analyzes the contents from the electric field intensity data received from the mobile communication terminal, converts the contents into an electronic mail in a specified format, and transmits the electronic mail to the positioning device. The positioning device extracts the content of the received e-mail, and estimates the position coordinates of the mobile communication terminal from the map information database, the installation position database of the wireless base station device, and the electric field intensity map database around the base station device. , It is possible to estimate a specific position of the mobile communication terminal.

[0013]

FIG. 1 shows an embodiment of a communication device for detecting the position of a mobile communication terminal. The communication device of the present invention includes:
Connect to the radio base station device 3 and the radio base station devices 6 and 7 necessary for connection with one or more mobile communication terminals 4 via the radio base station device 3 and the radio base station devices 6 and 7 A center device 2 and a center device 5 are provided. The center device 5 is connected to the positioning device 1 via the LAN 10, and the center device 2 is connected to the positioning device 1 and the LAN 10.
, WAN 9 and LAN 8.

The positioning device 1 transmits a position information data request from the mobile communication terminal 4 to the center device 5 via the LAN 10 in the form of e-mail. The center device 5 detects that it is in the location registration area of the center device 2 by searching the location information management database for the mobile communication terminal, and sends the positioning device to the center device 2 via the LAN 10, the WAN 9 and the LAN 8. The e-mail transmitted from 1 is transmitted and transmitted. The center device 2 is a center device 5
The mobile communication terminal 4 analyzes the electronic mail received from the mobile communication terminal 4 and detects that the request is the position information request of the mobile communication terminal 4.

The center apparatus 2 transmits the position information request data to the mobile communication terminal 4 by adding it to the telephone exchange control signal. The mobile communication terminal 4 receives the position information request from the center device 2 and confirms the content.
Disconnect and release the telephone line. The mobile communication terminal 4 measures the electric field strength from the receivable radio base station in descending order of the received electric field strength, temporarily stores the electric field strength data from the plurality of radio base station apparatuses, A call is transmitted and the electric field strength data is added as character information to the telephone exchange control signal and transmitted. When the data transmission is completed, the telephone line is disconnected and released.

The center device 2 analyzes the electric field intensity data of a plurality of radio base stations from the mobile communication terminal 4, extracts a base station number, an electric field intensity value, etc., converts them into electronic mail, and
The data is transmitted to the requesting positioning device 1 via the N8, the WAN 9, and the LAN 10. The positioning device 1 receives the e-mail transmitted from the center device 2, compares the received e-mail with the electric field intensity map data from the electric field intensity data of each wireless base station, and calculates the position coordinates of the mobile communication terminal 4 from the distance from a plurality of points. Is performed, and the designated position data is created on the map with the estimated position coordinate data.

FIG. 2 shows a device configuration of the present invention. The positioning device 1 has a database unit 11 having a map information database, a radio base station installation database, and an electric field map database indicating a change in the electric field intensity around the radio base station according to the position.
And a communication control unit 13 that communicates with the center device 2 connected via the LAN 8 and a calculation processing unit 12 that estimates the position of a mobile communication terminal or the like. In addition, the positioning device 1
Is a function of transmitting an e-mail to the center device 2, a function of an e-mail server for receiving an e-mail from the center device 2, and an e-mail that retrieves the e-mail from the e-mail server and stores it in a specific e-mail holder. In addition to the function of a mail client, the e-mail server has a function of transmitting an e-mail arrival notification to the e-mail client when the e-mail arrives, and the e-mail client receives the e-mail arrival notification and It has a function to retrieve e-mail from the mail server.

The center device 2 is connected to a LAN 8 (L in this figure).
AN10 and WAN9 are omitted. ), The communication control unit 23 that communicates with the positioning device 1 and the like, and the wireless base station device 3
A line interface unit 21 that communicates with the mobile communication terminal 4 connected via a communication interface, and a calculation processing unit 22 that performs communication processing with the mobile communication terminal 4 and the like. The center device 2 has a function of an e-mail server that receives e-mail sent from the positioning device 1 and the like, and an e-mail client that extracts e-mail from the e-mail server and stores the e-mail in a specific e-mail holder. The e-mail server has a function of transmitting an e-mail arrival notification to an e-mail client when an e-mail arrives, the e-mail client receiving the e-mail arrival notification, It has a function of receiving an e-mail, and can transmit and receive data to and from the positioning device 1 by the e-mail.

The radio base station apparatus 3 includes a signal processing section 33 for communicating with the center apparatus 2, a transmitting and receiving section 31 for communicating with the mobile communication terminal 4, and a communication control for performing communication processing between the center apparatus 2 and the mobile communication terminal 4. It comprises a unit 32. The mobile communication terminal 4 measures the transmission / reception unit 41 that performs voice or data communication with the radio base station device 3 and the like, and measures the electric field strength of incoming radio waves from the radio base station device 3, the radio base station device 6, and the radio base station device 7. A wireless management unit 43 that has an electric field measurement unit that performs the processing such as measuring the electric field strength and a communication control unit 42 that performs communication processing with the wireless base station device 3.

FIG. 3 shows an operation sequence of the position information data of the present invention.

(1) The positioning device 1 transmits the position information request data to the center device 2 in an e-mail format. The center device 2 receives the e-mail from the positioning device 1, identifies that the request is a position information request for the mobile communication terminal 4, and, in this case, the corresponding mobile communication terminal , To be in the zone of the wireless base station 3.

(2) The center device 2 is a radio base station device 3
Is transmitted in a format in which location information request data is added to the URL. The wireless base station device 3 relays the transmission signal from the center device 2 to the mobile communication terminal 4 as it is, and a line connection with the mobile communication terminal 4 is established. The mobile communication terminal 4 identifies that the position information data is requested from the transmission signal from the center device 2, and after confirming, releases the telephone line with the center device 2.

(3) The mobile communication terminal 4 starts measuring the electric field strengths of the arriving radio waves from the plurality of radio base station devices, and after the measurement is completed, the mobile communication terminal 4 requests the center device 2 that has requested the position information data. A call is transmitted in a format to which position information response data is added by a special number with a specific dial number added to the head. The center device 2 identifies that the call is a position information response call from the mobile communication terminal 4, and after confirming the line connection, reports the position information measurement data to the mobile communication terminal 4 by character information. Submit the request. The mobile communication terminal 4 converts the already measured data into a specified format, adds character information to the control channel, and reports the data to the center device 2.

(4) After confirming the reception of the position information data from the mobile communication terminal 4, the center device 2 releases the line, converts the received position information data into an e-mail format, and The data is transmitted to the positioning device 1.

(5) The positioning device 1 acquires the electric field strength data from the radio base station measured by the mobile communication terminal 4 by the electronic mail received from the center device 2.

As described above, the communication device for detecting the position of a mobile communication terminal according to the present invention uses character information using a telephone line control channel as a means for transmitting position detection data. Processing of data in the center device is easily possible. In addition, since the mobile communication terminal that reports the position information is automatically processed from the reception of the data request to the response, the operation of the user who owns the mobile communication terminal is unnecessary and is not noticed. The measurement can be completed within. In addition, since e-mail is used for data transmission between the center device and the positioning device, it can be used over a wide area connected to a LAN,
Even computer networks with strict security,
Communication can be performed relatively safely and easily.

[0027]

As described above, according to the present invention,
The center apparatus performs voice or data communication with the mobile communication terminal via the wireless base station apparatus, performs e-mail communication with the positioning apparatus via the LAN, and the center apparatus transmits text or text to the mobile communication terminal via the wireless base station apparatus. Since the mobile communication terminal has means for transmitting and receiving information and the mobile communication terminal has means for measuring the intensity of electromagnetic waves from the radio base station apparatus, it is possible to measure the electric field strength from a plurality of base stations at any time. Accordingly, it is possible to detect not only which base station the mobile communication terminal whose position is to be detected is closest to, but also the location within the base station area in more detail. In addition, since the obtained information can be distributed as character information, it is possible to perform information processing in a form that is more versatile and easier to process than in the past.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a communication device for detecting the position of a mobile communication terminal according to the present invention.

FIG. 2 is a block diagram showing a device configuration of the present invention.

FIG. 3 is a diagram showing an operation sequence of the communication device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Positioning apparatus 2,5 Center apparatus 3,6,7 Wireless base station apparatus 4 Mobile communication terminal 8,10 LAN 9 WAN 11 Database section 12,22 Calculation processing section 13,23,32,42 Communication control section 21 Line interface section 31, 41 transmitting / receiving unit 33 signal processing unit 43 wireless management unit

Claims (4)

[Claims] 1. A center device, a radio base station device and a positioning device connected via the center device, and a mobile communication terminal connected via the radio base station device, wherein the center device is a radio communication device A communication device that performs voice or data communication with a mobile communication terminal via a base station device and performs e-mail communication with a positioning device via a LAN, wherein the center device performs the mobile communication via the wireless base station device. A communication apparatus comprising: means for transmitting and receiving character information to and from the communication terminal; and wherein the mobile communication terminal includes means for measuring the intensity of electromagnetic waves from the wireless base station device. 2. The positioning device, comprising: a map information database; an installation position database of the wireless base station device;
2. The apparatus according to claim 1, further comprising: an electric field strength map database around a wireless base station; and wherein the center device includes a unit that performs data communication with the positioning device by electronic mail. 3.
The communication device according to claim 1. 3. The positioning device according to claim 1, wherein the positioning device receives an e-mail from a center device, and the e-mail client retrieves the e-mail from the e-mail server and stores the e-mail in a specific e-mail holder. The electronic mail server further comprises means for transmitting a notification of arrival of the electronic mail to the electronic mail client when the electronic mail arrives, wherein the electronic mail client receives the notification of the arrival of the electronic mail. 2. The communication apparatus according to claim 1, further comprising means for fetching an electronic mail from the electronic mail server. 4. The center device comprises: means of an e-mail server for receiving an e-mail; and means of an e-mail client for extracting the e-mail from the e-mail server and storing the e-mail in a specific e-mail holder. The e-mail server includes means for transmitting an e-mail arrival notification to the e-mail client when the e-mail arrives, the e-mail client receiving the e-mail arrival notification, The communication device according to claim 1, further comprising: means for receiving an e-mail from a server, wherein data is transmitted and received to and from the positioning device by the e-mail.