JP2006217095A - Mobile communication system, portable communication terminal, information server, method of notifying sensitivity degradation used therefor and program thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile communication system capable of improving a problem of generation of communication drawback in important communication. <P>SOLUTION: A position management server 3 acquires positional information measured with predetermined intervals as necessary from a portable communication terminal 1, and stores the information into a terminal position database 31. A weak radio wave zone management server 4 acquires information about weak radio wave zones, blind zones, and areas where communication conditions are deteriorated due to failure, and stores the acquired information into a weak radio wave area database 41. A control unit 53 of an information server 5 acquires the positional information of the communicable portable terminal device 1 from the positional management server 3. The control unit 53 acquires information of a weak radio wave zone around the positional information from the server 4 on the basis of the acquired positional information of the portable communication terminal 1, decides the forwarding direction of the portable communication terminal 1 by referring to map information etc. , and determines whether or not a destination of forwarding includes a zone where communication status is deteriorated. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a mobile communication system, a mobile communication terminal, an information server, a sensitivity deterioration notification method used therefor, and a program thereof, and more particularly to a sensitivity deterioration notification method in a mobile communication terminal.

  2. Description of the Related Art Conventionally, in mobile communication terminals used in mobile communication systems, a warning sound is distributed when the reception sensitivity of the mobile terminal falls below a specified value, thereby making it difficult for a user of the mobile communication terminal to make a call. You can know what will be.

  In the above sensitivity deterioration notification method, when an important communication [call (conversation), e-mail, etc.] is performed between the terminal and the wireless base station, the user of the mobile communication terminal gives a weak electric field warning. Only after the sound is heard, the communication situation deteriorates due to weak reception areas where radio waves that can be received are weak, underground areas and tunnels, upper floors of high-rise buildings, etc. You will know that you entered the area.

  As a notification method of the above sensitivity deterioration, the position after a predetermined time of the mobile phone is estimated based on the current position, the wireless communication status at the position is predicted with reference to the communication status data, and the prediction result is Based on this, a method for performing countermeasure processing (for example, automatic termination) for disconnection of communication has been proposed (see, for example, Patent Document 1).

JP 2004-228851 A

  Therefore, the conventional sensitivity deterioration notification method described above is not a big problem if it is a very small dead zone, weak electric field zone, etc., but if it is a relatively large radio wave failure area, communication will be hindered. For example, there is a problem that an important story is interrupted in the middle or communication is not successful. Similarly, even in the above-described Patent Document 1, when the communication status is in a bad state or before the communication status is poor, the automatic termination is performed.

  Accordingly, an object of the present invention is to solve the above-described problems and improve the problem of occurrence of communication inconvenience in important communication, a mobile communication terminal, a mobile communication terminal, an information server, a sensitivity deterioration notification method used for them, and To provide that program.

The mobile communication system according to the present invention includes a database in which information on areas where communication conditions are bad is registered in advance,
Position detecting means for detecting the position of the terminal itself, means for determining the distance to the area where the communication status is bad from the position information obtained by the position detecting means and the information obtained from the database, and the obtained distance A portable communication terminal including means for displaying warning information when the distance is within a predetermined distance set in advance.

Another mobile communication system according to the present invention is a mobile communication system including a mobile communication terminal that detects and transmits the position of the own terminal,
A database in which information on areas with poor communication conditions is registered in advance;
Means for obtaining a distance from the portable communication terminal to the area where the communication status is bad from the position information from the portable communication terminal and information from the database, and the obtained distance is within a predetermined distance set in advance And an information server including means for notifying the mobile communication terminal of warning information.

  The mobile communication terminal according to the present invention includes position detection means for detecting the position of the terminal itself, position information obtained by the position detection means, and information obtained from a database in which information on areas where communication conditions are bad is registered in advance. And a means for obtaining a distance to the area where the communication status is bad, and a means for displaying warning information when the obtained distance is within a predetermined distance set in advance.

An information server according to the present invention is an information server used in a mobile communication system including a mobile communication terminal that detects and transmits the position of its own terminal,
Means for determining the distance from the mobile communication terminal to the area with poor communication status from the location information from the mobile communication terminal and information from a database in which information on the area with poor communication status is registered in advance; Means for notifying the mobile communication terminal of warning information when the distance is within a predetermined distance set in advance.

  The sensitivity deterioration notification method according to the present invention is obtained from a database in which the mobile communication terminal detects the position of the terminal itself, the position information obtained by the detection, and the information on the area where the communication status is bad. A process for obtaining a distance from the information to an area where the communication status is bad and a process for displaying warning information when the obtained distance is within a predetermined distance set in advance are executed.

Another sensitivity deterioration notification method according to the present invention is a sensitivity deterioration notification method used in a mobile communication system including a mobile communication terminal that detects and transmits the position of its own terminal,
A process in which the information server obtains a distance from the mobile communication terminal to the area with poor communication status from the location information from the mobile communication terminal and information from a database in which information on the area with poor communication status is registered in advance; When the calculated distance is within a predetermined distance set in advance, a process of notifying the mobile communication terminal of warning information is executed.

  In the program of the sensitivity deterioration notification method according to the present invention, the processing of detecting the position of the terminal itself, the position information obtained by the detection, and the information on the area where the communication status is bad are registered in advance in the computer of the mobile communication terminal. A process for obtaining a distance to an area where the communication status is bad from information obtained from a database and a process for displaying warning information when the obtained distance is within a predetermined distance set in advance are executed.

Another sensitivity deterioration notification method program according to the present invention is a sensitivity deterioration notification method program used in a mobile communication system including a mobile communication terminal that detects and transmits the position of its own terminal,
The computer of the information server obtains the distance from the mobile communication terminal to the area where the communication status is bad from the location information from the mobile communication terminal and the information from the database in which the information of the area where the communication status is bad is registered in advance. A process and a process of notifying the mobile communication terminal of warning information when the obtained distance is within a predetermined distance set in advance are executed.

  That is, the mobile communication system of the present invention is a business wireless communication system capable of grasping the position information of the mobile communication terminal, to a region (area) where the communication situation is deteriorated due to a weak radio wave zone, a dead zone, or a failure. It is to provide a service for informing the communication status in advance when approaching.

  As a result, it can be seen that the mobile communication system of the present invention has a problem in communication before a certain amount of time, so that it is possible to improve the problem of communication inconvenience in important communication.

  The present invention is configured and operated as described below, so that an effect that it is possible to improve the problem of communication inconvenience in important communication can be obtained.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a mobile communication system according to an embodiment of the present invention. In FIG. 1, a mobile communication system according to an embodiment of the present invention includes a mobile communication terminal 1 capable of wireless communication, a wireless base station 2 capable of communicating with the mobile communication terminal 1, and a mobile communication terminal capable of wireless communication. The location management server 3 that can register the location information of 1, the weak radio wave zone management server 4 that stores a location where radio waves are weak in advance, and the information on the location where the electric field is weak are provided to the mobile communication terminal 1 capable of communication. The information server 5, the radio base station 2, the location management server 3, the weak radio wave zone management server 4, and the communication network 100 to which the information server 5 is connected are configured.

  The location management server 3 is an information processing device such as a workstation server that manages (tracks and manages) location information of the mobile communication terminal 1, and the mobile communication acquired in the terminal location database (DB) 31 via the communication network 100. Stores location information of the terminal 1.

  The weak radio wave area management server 4 is used for mobile communication (communication between the mobile communication terminal 1 and the radio base station 2). An information processing device such as a workstation / server that manages information on low or insensitive areas where communication is difficult, or where communication conditions have deteriorated due to failures, etc. ) Information on the weak radio wave zone, the dead zone, or the area (area) in which the communication status is deteriorated due to a failure or the like measured by the apparatus is stored in the weak radio zone database (DB) 41.

  Based on the location information of the mobile communication terminal 1 acquired from the location management server 3 and the information on the weak radio wave zone and the like acquired from the weak radio wave zone management server 4, the information server 5 moves the mobile communication terminal 1 to the weak radio wave zone and the like. It is an information processing apparatus such as a workstation / server that notifies the communication status in advance when entering.

  In addition, the information server 5 includes a network (NW) communication unit 51 that performs information transmission / reception [communication interface (I / F)] via the communication network 100, user ID (identification information) or terminal ID, and map information as user information. , Notification conditions (from the storage unit 52 for storing the call quality level, notification timing, etc., and the location information of the mobile communication terminal 1 acquired from the location management server 3 and the information about the weak radio wave zone acquired from the weak radio wave zone management server 4 The mobile communication terminal 1 includes a control unit 53 that controls to notify the communication status when the mobile communication terminal 1 attempts to enter a weak radio wave zone or the like.

  The mobile communication terminal 1, the wireless base station 2, the location management server 3, the weak radio wave zone management server 4, and the information server 5 operate by program control, respectively, and the radio base station 2, the location management server 3, and the weak radio wave zone management server. 4 and the information server 5 are connected to each other via a communication network 100.

  In this embodiment, the position management server 3, the weak radio wave zone management server 4, and the information server 5 are described as devices that operate independently, but the terminal location database 31 and the weak radio wave zone database 41 are included in the information server 5. You may make it provide in the memory | storage part 52 (it comprises as integral).

  FIG. 2 is a block diagram showing a configuration of the mobile communication terminal 1 of FIG. In FIG. 2, a mobile communication terminal 1 is an information processing apparatus having a communication function such as a mobile phone, and includes an antenna 11, a GPS (Global Positioning System) antenna 12, a radio communication unit 13, and a positioning unit (GPS). 14, an operation unit 15, a display unit 16, a sound processing unit 17, speakers 18 and 20, a microphone 19, a memory 21, and a control unit 22.

  The wireless communication unit 13 transmits and receives wireless signals to and from the wireless base station 2 via the antenna 11, and the positioning unit 14 obtains the position coordinates of the terminal by receiving radio waves transmitted from a GPS satellite (not shown). . The operation unit 15 includes a numeric keypad for inputting various information, a scroll / decision key, and the like.

  The display unit 16 outputs display information such as text and images. The audio processing unit 17 performs audio signal processing. The speaker 18 and the microphone 19 perform input / output to / from the sound processing unit 17. The speaker 20 outputs musical sounds, notification sounds, and the like. The memory 21 stores telephone directory information, transmission / reception mail information, incoming / outgoing call information, content information, a program executed by the control unit 22, and the like. The control unit 22 controls the telephone function, web connection function, mail transmission / reception, positioning (GPS) function, and each part of the terminal itself.

  In the present embodiment, the position information of the mobile communication terminal 1 is acquired by receiving a signal from a GPS satellite. For example, the position centered on the wireless base station 2 that is the communication destination or the mobile communication terminal 1 For example, position positioning by communication (radio wave intensity, arrival time difference) with a plurality of surrounding radio base stations 2 may be used.

  FIG. 3 is a flowchart showing the operation of the information server 5 of FIG. The operation of the mobile communication system according to one embodiment of the present invention will be described with reference to FIGS. 3 is realized by the control unit 53 of the information server 5 executing a program stored in the storage unit 52.

  The location management server 3 acquires location information measured at predetermined time intervals from the mobile communication terminal 1 as needed, or for communication (radio wave intensity, arrival time difference) between the mobile communication terminal 1 and a plurality of surrounding wireless base stations 2. Based on this, location information is acquired from the system (wireless base station 2) at any time and stored in the terminal location database 31.

  In addition, the weak radio wave zone management server 4 is a mobile communication system (communication between the mobile communication terminal 1 and the radio base station 2) in a region where the communication status is deteriorated due to a weak radio wave zone, a dead zone, a failure, or the like ( Information on the area is acquired as needed and stored in the weak radio wave zone database 41.

  When the service starts, the control unit 53 of the information server 5 first authenticates whether or not the communicable mobile communication terminal 1 or the user receives information on a place where radio waves are weak and subscribes to the service (user ID / terminal ID). Collation) is performed with reference to the user information stored in the storage unit 52. If the mobile communication terminal 1 (or user) is a service subscriber, the location information of the communicable mobile communication terminal 1 is managed. Obtained from the server 3 (step S1 in FIG. 3).

  Further, based on the acquired position information of the mobile communication terminal 1, the control unit 53 acquires information such as a surrounding weak radio wave band around the position information from the weak radio wave band management server 4 (step S2 in FIG. 3). .

  Further, the control unit 53 determines the traveling direction of the mobile communication terminal 1 that manages the position (tracking) with reference to map information (information on roads, routes, etc.) and the like, and sets the traveling direction (traveling direction) in advance. It is determined whether or not there is an area (area) in which the communication status is deteriorated due to a weak radio wave zone, a dead zone, a failure or the like that is lower than the call quality (step S3 in FIG. 3).

  When the notification is required as a result of the above determination, the control unit 53 transmits the radio wave status (alarm information) based on the previous setting (for example, the distance to the weak radio wave zone) (step S4 in FIG. 3). S5). In other words, as a result of the above determination, when the control unit 53 determines that there is an area (area) where the communication status is deteriorated, the area (area) where the communication status is deteriorated from the current position of the mobile communication terminal 1. ) Etc., and when the distance is within a predetermined distance, the radio wave condition (alarm information) is transmitted.

  Accordingly, the mobile communication terminal 1 displays the radio wave status (alarm information) on the display unit 16 when the distance from the current position to the area (area) where the communication status is deteriorated is within a predetermined distance. Note that the mobile communication terminal 1 may perform the calculation of the distance from the current position to the area (area) where the communication status is deteriorated and the determination of whether or not the distance is within a predetermined distance. .

  As described above, in this embodiment, since it is known to some extent that the communication trouble occurs with the movement of the mobile communication terminal 1, the important communication is stopped in advance or the important communication is performed by staying at the current position. Since the movement can be started after that, it is possible to improve the problem that communication inconvenience occurs in important communication.

  FIG. 4 is a flowchart showing the operation of a mobile communication terminal according to another embodiment of the present invention, and FIG. 5 is a flowchart showing the operation of an information server according to another embodiment of the present invention. A mobile communication system according to another embodiment of the present invention has the same configuration as the mobile communication system according to one embodiment of the present invention shown in FIG. 2 has the same configuration as the portable communication terminal 1 according to the embodiment of the present invention shown in FIG.

  Hereinafter, the operation of the mobile communication system according to another embodiment of the present invention will be described with reference to FIG. 1, FIG. 2, FIG. 4, and FIG. 4 is realized when the control unit 22 of the mobile communication terminal 1 executes a program stored in the memory 21, and the process shown in FIG. 5 is performed by the control unit 53 of the information server 5 in the storage unit 52. This is realized by executing the stored program.

  In the mobile communication system according to one embodiment of the present invention, the position information of the mobile communication terminal 1 is constantly monitored (managed) after the service is started. In the mobile communication system according to another embodiment of the present invention, the mobile communication terminal When the call operation is performed by No. 1, an approach to an area (area) in which the communication status is deteriorated due to a weak radio wave zone, a dead zone, or a failure is determined.

  That is, when the control unit 22 of the mobile communication terminal 1 receives a call operation input from the user, the control unit 22 transmits the user ID (or terminal ID) to the information server (steps S11 and S12 in FIG. 4). Note that the location information of the mobile communication terminal 1 may be transmitted together with the user ID from the mobile communication terminal 1.

  When the control unit 53 of the information server 5 receives the user ID from the mobile communication terminal 1 (step S21 in FIG. 5), it determines the radio wave situation with respect to the traveling direction (steps S24 to S27 in FIG. 5) and The result is notified (step S28 in FIG. 5).

  In this case, similarly to the above-described embodiment of the present invention, when the control unit 53 determines that there is an area where the communication status is deteriorated as a result of the determination, the control unit 53 A distance from the current position to an area (area) where the communication status is deteriorated is obtained, and when the distance is within a predetermined distance, a radio wave status (alarm information) is transmitted. Accordingly, the mobile communication terminal 1 displays the radio wave status (alarm information) on the display unit 16 when the distance from the current position to the area (area) where the communication status is deteriorated is within a predetermined distance.

  The mobile communication terminal 1 determines the notification of the radio wave status from the information server 5 (steps S13 and S14 in FIG. 4), continues the call processing as it is (step S115 in FIG. 4), or outputs the radio wave status (call not possible). (Step S16 in FIG. 4).

  Further, the mobile communication terminal 1 is compatible with at least two communication systems [for example, a first wireless communication unit (PDC), a second wireless communication unit (W-CDMA: Wideband-Code Division Multiple Access). ) Etc.] is determined, the radio wave status of each communication system with respect to the traveling direction is determined, and the mobile communication terminal 1 performs a system switching process.

  As described above, in the present embodiment, information related to the occurrence of communication trouble can be acquired in advance during a call operation, so that it is possible to improve the problem of communication inconvenience in important communication. Further, in this embodiment, since the radio wave status is acquired (service use) only at the timing of the call operation, power consumption can be suppressed.

It is a block diagram which shows the structure of the mobile communication system by one Example of this invention. It is a block diagram which shows the structure of the portable communication terminal 1 of FIG. It is a flowchart which shows operation | movement of the information server of FIG. It is a flowchart which shows operation | movement of the portable communication terminal by the other Example of this invention. It is a flowchart which shows the operation | movement of the information server by the other Example of this invention.

Explanation of symbols

1 Mobile communication terminal
2 radio base stations
3 Location management server
4 Weak radio wave area management server
5 Information server
11 Antenna
12 GPS antenna
13 Wireless communication unit
14 Positioning part
15 Operation unit
16 Display section
17 Audio processing unit 18, 20 Speaker
19 Microphone
21 memory
22 Control unit
31 Terminal location database
41 Weak radio wave area database
51 Network Communication Department
52 Memory unit
53 Control Unit 100 Communication Network

Claims (32)

A database in which information on areas with poor communication conditions is registered in advance;
Position detecting means for detecting the position of the terminal itself, means for determining the distance to the area where the communication status is bad from the position information obtained by the position detecting means and the information obtained from the database, and the obtained distance A mobile communication system comprising: a mobile communication terminal including means for displaying warning information when the distance is within a predetermined distance set in advance. A mobile communication system including a mobile communication terminal that detects and transmits the position of the terminal,
A database in which information on areas with poor communication conditions is registered in advance;
Means for obtaining a distance from the portable communication terminal to the area where the communication status is bad from the position information from the portable communication terminal and information from the database, and the obtained distance is within a predetermined distance set in advance And an information server including means for notifying the mobile communication terminal of warning information.   The region where the communication status is poor is at least one of a weak radio wave zone where received radio waves are weak, a dead zone where communication is difficult, and an area where communication status is deteriorated due to at least a failure. The mobile communication system according to claim 1 or 2.   The mobile communication system according to any one of claims 1 to 3, wherein a position of the mobile communication terminal is detected by a GPS (Global Positioning System).   The position of the mobile communication terminal is detected by position measurement based on a position centered on a wireless base station that is a communication destination of the mobile communication terminal or position measurement based on communication between the mobile communication terminal and a surrounding wireless base station. The mobile communication system according to any one of claims 1 to 3, wherein   The mobile communication system according to any one of claims 1 to 5, wherein the database accumulates information on an area in which the communication condition measured in advance is bad.   The mobile communication system according to any one of claims 1 to 6, wherein the mobile communication terminal determines approach to an area where the communication status is deteriorated during a call operation.   The mobile communication system according to any one of claims 1 to 7, wherein the mobile communication terminal is compatible with at least two mobile communication systems.   From the position detection means for detecting the position of the terminal itself, the position information obtained by the position detection means, and the information obtained from the database in which the information of the area where the communication status is bad is registered in advance to the area where the communication situation is bad And a means for displaying warning information when the calculated distance is within a predetermined distance set in advance.   The region where the communication status is poor is at least one of a weak radio wave zone where received radio waves are weak, a dead zone where communication is difficult, and an area where communication status is deteriorated due to at least a failure. The mobile communication terminal according to claim 9.   The mobile communication terminal according to claim 9 or 10, wherein the position of the terminal is detected by a GPS (Global Positioning System).   Detecting the position of the own terminal by either position positioning based on a position of a wireless base station that is a communication destination of the mobile communication terminal or position positioning by communication between the mobile communication terminal and a surrounding wireless base station. The mobile communication terminal according to claim 9, wherein the mobile communication terminal is characterized in that   The mobile communication terminal according to any one of claims 9 to 12, wherein the database accumulates information on a pre-measured area where the communication status is bad.   The mobile communication terminal according to any one of claims 9 to 13, wherein an approach to an area where the communication status is deteriorated is determined during a call operation.   The mobile communication terminal according to any one of claims 9 to 14, wherein the mobile communication terminal supports at least two or more mobile communication systems. An information server used in a mobile communication system including a mobile communication terminal that detects and transmits the position of its own terminal,
Means for determining the distance from the mobile communication terminal to the area with poor communication status from the location information from the mobile communication terminal and information from a database in which information on the area with poor communication status is registered in advance; An information server comprising: means for notifying the mobile communication terminal of warning information when the distance is within a predetermined distance set in advance.   The region where the communication status is poor is at least one of a weak radio wave zone where received radio waves are weak, a dead zone where communication is difficult, and an area where communication status is deteriorated due to at least a failure. The information server according to claim 16.   18. The information server according to claim 16, wherein the position of the mobile communication terminal is detected by a GPS (Global Positioning System).   The position of the mobile communication terminal is detected by position measurement based on a position centered on a wireless base station that is a communication destination of the mobile communication terminal or position measurement based on communication between the mobile communication terminal and a surrounding wireless base station. The information server according to any one of claims 16 to 18, characterized in that:   The information server according to any one of claims 16 to 19, wherein the database accumulates information on an area in which the communication state measured in advance is bad.   The information server according to any one of claims 16 to 20, wherein when a call operation is performed at the mobile communication terminal, an approach to an area where the communication status is deteriorated is determined.   The information server according to any one of claims 16 to 21, wherein the mobile communication terminal is compatible with at least two mobile communication systems.   The area where the communication situation is bad from the process in which the mobile communication terminal detects the position of the terminal itself, and the position information obtained by the detection and the information obtained from the database in which the information of the area where the communication situation is bad is registered in advance. And a process for displaying warning information when the calculated distance is within a predetermined distance set in advance. A sensitivity deterioration notification method used in a mobile communication system including a mobile communication terminal that detects and transmits the position of its own terminal,
A process in which the information server obtains a distance from the mobile communication terminal to the area with poor communication status from the location information from the mobile communication terminal and information from a database in which information on the area with poor communication status is registered in advance; And a process for notifying the mobile communication terminal of warning information when the determined distance is within a predetermined distance set in advance.   The region where the communication status is poor is at least one of a weak radio wave zone where received radio waves are weak, a dead zone where communication is difficult, and an area where communication status is deteriorated due to at least a failure. The sensitivity deterioration notification method according to claim 23 or 24.   26. The sensitivity deterioration notification method according to claim 23, wherein the position of the mobile communication terminal is detected by a GPS (Global Positioning System).   The position of the mobile communication terminal is detected by position measurement based on a position centered on a wireless base station that is a communication destination of the mobile communication terminal or position measurement based on communication between the mobile communication terminal and a surrounding wireless base station. The sensitivity deterioration notification method according to any one of claims 23 to 25, wherein:   28. The sensitivity deterioration notification method according to any one of claims 23 to 27, wherein the database accumulates information on an area in which the communication status is measured in advance, which is bad.   The sensitivity deterioration notification method according to any one of claims 23 to 28, wherein the mobile communication terminal determines approach to an area where the communication status is deteriorated during a call operation.   30. The sensitivity deterioration notification method according to claim 23, wherein the mobile communication terminal is compatible with at least two or more mobile communication systems.   From the process of detecting the position of the terminal itself in the computer of the mobile communication terminal, the position information obtained by the detection, and the information obtained from the database in which the information of the area where the communication state is bad is registered in advance, the communication state is The program for performing the process which calculates | requires the distance to a bad area, and the process which displays warning information when the calculated | required distance is less than the predetermined distance set beforehand. A program for a sensitivity deterioration notification method used in a mobile communication system including a mobile communication terminal that detects and transmits the position of its own terminal,
The computer of the information server obtains the distance from the mobile communication terminal to the area where the communication status is bad from the location information from the mobile communication terminal and the information from the database in which the information of the area where the communication status is bad is registered in advance. A program for executing a process and a process of notifying the mobile communication terminal of warning information when the calculated distance is within a predetermined distance set in advance.

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