JPH10174148A - Mobile communication equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To exactly guide the route of mobile object and to exactly transmit map information by storing uncommunicatable or communicatable area information and automatically starting communication when the mobile object in a disable area at the time of communication moves its position calculated from a position detecting means into the communicatable area. SOLUTION: While loading mobile communication equipment 10, the mobile object is traveled according to the prescribed route on the map information provided from a map storage means 3. Corresponding to the map information, an area storage means 4 stores the communication disable area or communication enable area on an optical disk 41 or a magnetic disk 42. It is discriminated whether communication is interrupted during the move of mobile object or not and when the communication is interrupted, while searching the map storage means 3 and the area storage means 4, information is read out for showing whether the communication is enabled at a current position on the map information or not. When it is judged the mobile objects enters the communication enable area on the map information during movement, a communicating means 2 communicates with the destination to communicate again and recovers the communication.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication device for performing communication while moving. 2. Description of the Related Art In recent years, with the generalization of a position detection system in a moving object (eg, GPS), the position of an automobile or the like can be understood as numerical values of latitude and longitude. It has become.

[0002] Wireless communication systems, such as a mobile phone and a mobile phone, which can communicate even with a mobile body, have also been generalized. In this way, by combining the position detection system of the moving object, the communication system, and the control unit for controlling the same, it is possible to prevent communication disconnection during movement, recover communication, enable communication, and move using the latest map information. It is desired to realize body route guidance and display to an operator, and to quickly transmit an error in map information.

[0003]

2. Description of the Related Art In a conventional mobile radio communication system, whether a call can be made or not can be made only by actually trying the call or by a caller (operator) referring to a map showing a communicable range.

[0004]

As described above, in the conventional mobile radio communication system, a user actually makes a call or makes a judgment by looking at a map showing a communicable range.
There have been problems such as preventing communication interruption during movement, inability to accurately guide a route of a moving object, and inability to accurately transmit map information.

[0005] In order to solve these problems, a first object of the present invention is to reduce a communication failure state of a mobile radio communication system.

A second object is to accurately guide the route of a moving object. A third object is to promptly report an error in map information.

[0007]

Means for solving the problem will be described with reference to FIG. In FIG. 1, a position detecting means 1 detects a current position of a moving object.

The area storage means 4 stores area information indicating that communication is impossible or communicable. Next, the operation will be described.

When a moving body moving in the communication impossible area enters the communication possible area by referring to the area storage means 4 based on the current position detected by the position detecting means 1, communication is performed. ing.

Further, when the map area storage means 3 is searched based on the current position detected by the position detecting means 1 and there is no map information, the center is notified of the current position and the latest map information is requested. The map area storage means 3 is updated with the latest map information transmitted.

At this time, when the map area storage means 3 is updated with the transmitted map information, when there is no road information of the current position on the updated map information, the center is notified of the current position and the road is notified. Try to send the wrong information.

When the area storage means 4 is searched based on the current position detected by the moving body and it is found that there is a communication impossible area in the moving direction of the moving body, a plurality of communication impossible areas are avoided. The moving body is guided to a route that has the shortest distance or time that passes through the communication impossible area after finding the route.

Therefore, it is possible to reduce the communication disabled state of the wireless communication system of the mobile unit, to resume the communication when entering the communicable area when the communication is interrupted, and to recover the route of the mobile unit accurately. Or an error in map information can be promptly reported.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments and operations of the present invention will be sequentially described in detail with reference to FIGS.

FIG. 1 shows a system configuration diagram of the present invention.
In FIG. 1, a mobile communication device 10 communicates with a center 6 to detect a current position of the mobile, reduce a communication disabled state of the mobile, accurately perform route guidance of the mobile, and perform map It is used to promptly convey information errors, and is composed of a position detecting means 1, a communication means 2, a map area storage means 3, an area storage means 4, a control means 5, and the like.

The position detecting means 1 detects the current position of a moving object, and is, for example, a GPS (a system that receives radio waves from a plurality of artificial satellites and detects the current position on the earth).

The communication means 2 communicates with the center 6 and communicates with, for example, a portable telephone 21 or modulates and communicates a signal with a modem 22.

The map area storage means 3 stores map information and is, for example, an optical disk 31 or a magnetic disk 32. The area storage means 4 stores an uncommunicable area or a communicable area in association with map information, and is, for example, an optical disk 41 or a magnetic disk 42.

The control means 5 performs various controls, such as changing to a detour route. The control unit 5 includes a display device 51, an input device 52, a CPU 53, a memory 54, an I / O 55, and the like.

The center 6 communicates with the mobile communication device 10 to provide map information to the mobile body, etc. The center 6 has a computer system 61, a telephone 62, and a modem 63.
And so on.

Next, the operation of the configuration of FIG. 1 will be sequentially described in detail with reference to FIGS. FIG. 2 is a flowchart (part 1) for explaining the operation of the present invention. In FIG.
A step S11 decides whether or not the communication is interrupted during the communication. This is determined as to whether the mobile unit 7 has started communication at the point A and disconnected at the point B, as shown in FIG. YES
In the case of, the process proceeds to S12. In the case of NO, it waits for the communication to be disconnected during the communication.

In step S12, information on whether or not communication at the current location is possible is read from the map. This searches the map storage unit 3 and the storage unit 4 and reads out information on whether or not the current position is communicable on the map information.

In step S13, it is determined whether the current location is communicable.
This is determined, for example, as to whether the moving body 7 has moved to a point C in FIG. In the case of YES, the process proceeds to S14. If NO, S12 is repeated.

In step S14, communication starts again. This is S
Since it has been determined that the mobile unit 7 has entered the communicable area again by YES at 13, the communication unit 2 is made to communicate again with the previous communication destination, and the communication is restored.

As described above, when it is determined that the vehicle has entered the communicable area on the map information when the communication is interrupted while the mobile unit 7 is traveling, the communication means 2 performs communication again with the previous communication destination to perform communication. Can be recovered.

FIG. 3 shows an explanatory diagram (FIG. 2) of the present invention.
In FIG. 3, the mobile unit 7 is a mobile communication device 10 shown in FIG.
And travels along a predetermined route on the map information. Here, when the mobile unit 7 starts communication at the point A and loses communication at the point B, it is found by searching the map information storage unit 3 and the area storage unit 4 that the mobile unit 7 has entered the communicable area of the point C. In this case, the communication means 2 makes the communication means 2 communicate again with the previous communication destination, and recovers the communication.

FIG. 4 is a flowchart (part 2) for explaining the operation of the present invention. In FIG. 4, S21 determines at the start of communication whether communication was not possible. If yes,
Proceed to S22. If NO, the process ends (END).

In step S22, since it is determined that the communication area is not communicable when the mobile unit 7 starts communication during the movement in step S21, information on whether or not the current location is communicable is read from the map. This means that, for the current position detected by the position detecting means 1, the map area storing means 3 and the area storing means 4
And reads out information as to whether it has entered the communicable area.

A step S23 decides whether or not the current location is communicable.
In the case of YES, it is determined in S24 that the mobile 7 has entered the communicable area, and communication is started. On the other hand, if NO, S22 is repeated.

As described above, if the mobile unit 7 is in a communication-disabled area at the start of communication while traveling, the communication can be started when it is determined that the mobile unit 7 has entered the communication-enabled area on the map information based on the current location. It becomes possible.

FIG. 5 shows an explanatory diagram (FIG. 4) of the present invention.
In FIG. 5, the mobile unit 7 is a mobile communication device 10 shown in FIG.
And travels along a predetermined route on the map information. Here, it is found by searching the map information storage unit 3 and the area storage unit 4 that the mobile unit 7 has started communication at the point A but cannot communicate in the area where communication is not possible, and has entered the area where communication is possible at the point B. In this case, a state in which the communication means 2 starts communication with the communication destination when the communication is performed.

FIG. 6 is a flowchart (part 3) for explaining the operation of the present invention. In FIG. 6, S31 determines whether there is road information on the map of the current location. If YES, the process ends. In the case of NO, the process proceeds to S32.

In step S32, the center requests the latest map information within a predetermined range centering on the current position. This is the N of S31
At O, it was found that there was no road information on the map of the current location.
A request is made to the center 6 for the latest map information in a predetermined range centering on the current location.

In S33, the center 6 reads the latest map database. S34 transmits. S35
Updates the map information of the terminal with the latest map information. This is to update the map information (map information having the map and the road information) of the terminal (the terminal on which the mobile communication control device operates) with the map information requested to the center 6 to be the latest (for example, FIG. 7). Update to the latest map, as shown in

In step S36, route guidance and display are performed. In this case, based on the latest map information updated in S35, a route is guided or displayed based on the current location of the moving object 7.

In step S37, it is determined whether there is no road information at the current location. That is, after updating to the latest map information, it is determined whether there is road information on the latest map information based on the current location of the moving object 7. In the case of YES, it is determined that there is no road information at the current point, and the center transmits a message indicating that there is no road information to the center in S38. On the other hand, if NO, the process ends.

In step S39, a map error list is displayed (there is no position and road information). As described above, when the road information of the current position of the moving object 7 is not on the map, the center can be requested for the map information having the latest road information of the current position, and the center can be updated with the transmitted latest map information. It becomes possible. If there is no road information of the current position on the updated latest map information, the center is notified that there is no position and road information of the moving object 7, and the center 6 lists a map (road information) error. Display (display that there is no position and road information).

FIG. 7 shows an explanatory diagram (FIG. 6) of the present invention.
In FIG. 7, a mobile unit 7 is a mobile communication device 10 shown in FIG.
And travels along a predetermined route on the map information. Here, when there is no road information at the point B when the moving body 7 moves from the point A to the point B, the center 6
Is notified that there is no current location and road information, the map information including the latest road information is transmitted, and the map information can be updated to the latest one.

FIG. 8 is a flowchart (part 4) for explaining the operation of the present invention. In FIG. 8, S41 determines whether or not the map information is determined to be incorrect by the operator. In the case of YES, the process proceeds to S42. If NO, the process ends.

In step S42, the center requests the latest map information within a predetermined range centering on the current location. S43 is the center 6
Reads the map database. S44 transmits.

In step S45, the map information of the terminal is updated with the latest map information. This is done by updating the map area storage means 3 with the latest map information transmitted from the center 6 to make it the latest.

In step S46, a map is displayed. This displays the latest map after updating. A step S47 decides whether or not the map information is judged again to be incorrect by the operator. In the case of YES, in S48, the fact that the position of the moving object and the road information are incorrect is transmitted to the center. On the other hand, S
If NO in 47, the process ends.

In step S49, the center 6 displays a list of map errors. This is because the terminal (mobile communication device 10
A list of the current position of the moving object and the incorrect road information transmitted from the terminal that operates the terminal is displayed.

As described above, there is an error in the map information of the current position of the moving object 7, the center 6 receives the latest map information, updates and displays the map area storage means 3 with the latest map information, and again displays the road. When it is pointed out that there is an error in the information, the fact that the current position and the road information of the mobile unit 7 are incorrect is transmitted to the center 6, and an error list display of the map can be performed.

FIG. 9 is an explanatory diagram (FIG. 8) of the present invention.
In FIG. 9, the mobile unit 7 is a mobile communication device 10 shown in FIG.
And travels along a predetermined route on the map information. Here, in response to the indication of an error in the map information of the current position of the mobile unit 7, the center 6 requests the center 6 for the current position and the latest map information of a predetermined range, and stores the map area in the transmitted latest map information. Update the means 3 and display the map,
When an error is pointed out again, the current position of the moving body 7 and the road information of the error are notified, and a list of errors on the map can be displayed.

FIG. 10 is a flowchart (part 5) for explaining the operation of the present invention. In FIG. 10, a step S51 sets route guidance so as not to pass through a communication impossible area on a road.

In step S52, a route search is performed. This is S51
The route is searched by searching the map area storage means 3 and the area storage means 4 so as to perform the route guidance set in the above. S
53 determines whether a route has been found. If YES, the process ends. In the case of NO, the process proceeds to S54.

In step S54, a plurality of routes are searched. In this case, since a route that does not pass through the uncommunicable area cannot be found on the road set in S51, a plurality of routes that pass through the uncommunicable area are found.

In step S55, a route (or an operator) that selects the shortest distance or the shortest time passing through the non-communicable area is selected. In this case, among the plurality of routes found in S54, the route that has the shortest distance or the shortest time passing through the non-communicable area is selected as the guidance route.

As described above, when it is determined that there is a communication impossible area in the moving direction from the current position of the mobile unit 7, a route that does not pass through the communication impossible area is searched. , A route that passes through the communication impossible area or a route with the shortest time is selected as a guidance route, and the mobile 7 can be guided.

FIG. 11 is an explanatory view (FIG. 10) of the present invention. In FIG. 11, a moving object 7 has the mobile communication device 10 of FIG. 1, and travels along a predetermined route on map information. Here, when there is a communication impossible area in the moving direction from the current position of the mobile body 7, if a route that does not pass through the communication impossible area is found, the mobile body 7 is guided to the route. It is possible to search for a plurality of routes that pass through the impossible area, select a route that has the shortest time or distance through the communication impossible area, and guide the mobile 7.

[0052]

As described above, according to the present invention,
Since the system is configured to start communication when entering the communicable area when entering the communicable area when conducting communication, guide the route of the moving object, or convey an error in map information, The communication-disabled state of the mobile communication device of the body 7 is reduced, the communication is automatically started when the communication becomes a communication-disabled area when the communication is disabled at the start of communication, and the route guidance of the mobile body is performed. , Or an error in map information can be promptly reported.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of the present invention.

FIG. 2 is a flowchart (part 1) for explaining the operation of the present invention.

FIG. 3 is an explanatory diagram (FIG. 2) of the present invention.

FIG. 4 is a flowchart (part 2) for explaining the operation of the present invention.

FIG. 5 is an explanatory view (FIG. 4) of the present invention.

FIG. 6 is a flowchart (part 3) for explaining the operation of the present invention.

FIG. 7 is an explanatory diagram (FIG. 6) of the present invention.

FIG. 8 is a flowchart (part 4) for explaining the operation of the present invention.

FIG. 9 is an explanatory diagram (FIG. 8) of the present invention.

FIG. 10 is a flowchart for explaining the operation of the present invention (part 5).
It is.

FIG. 11 is an explanatory diagram (FIG. 10) of the present invention.

[Explanation of symbols]

 1: Position detection means 2: Communication means 3: Map area storage means 4: Area storage means 5: Control means 6: Center 7: Moving body

Claims (4)

[Claims] 1. A mobile communication device for performing communication while moving, comprising: a map storage means for storing map information; and an area storage means for storing area information for which communication is impossible or communicable in association with the map information. A position detecting means for detecting the current position of the moving object, and a moving object moving in the communication impossible area can communicate with the area storage means based on the current position detected by the position detecting means. Means for performing communication when entering a region. 2. A mobile communication device for performing communication while moving, comprising: a map storage means for storing map information; a position detection means for detecting a current position of the mobile object; and a current position detected by the position detection means. When there is no map information after searching the above-mentioned map storage means,
Notify the current location to the center and request the latest map information,
Means for updating the map storage means with the latest map information transmitted. 3. When the map storage means is updated with the transmitted map information, the center is notified of the current position when there is no road information of the current position on the updated map information. 3. The mobile communication device according to claim 2, further comprising means for transmitting an error. 4. A mobile communication device for performing communication while moving, comprising: a map storage means for storing map information; and an area storage means for storing area information for which communication is impossible or communicable in association with the map information. A position detecting means for detecting the current position of the moving object; and a search for the area storage means based on the current position detected by the moving object. Means for finding a plurality of routes avoiding the communication impossible area and guiding the mobile body to a route having the shortest distance or time passing through the communication impossible area.