JPH05102906A - Mobile communication system - Google Patents

Abstract

PURPOSE:To enable a user to acquire the carefully thought through service information on the position of the user in a mobile communication system etc., by detecting the position of a mobile station and the retrieving and transmitting the service information on the position of the mobile station. CONSTITUTION:A mobile communication service center 14 receives a call from a user and requests the information on a radio base station 12 of the corresponding mobile station 11 to a mobile communication switchboard 13. Thus the center 14 acquiring the information on the station 12 retrieves service information on the corresponding area through a key and transmits this information to the station 11. In such a way, the center 14 knows the position of the station 11 through a mobile communication system or a position measurement system and retrieves the service information on the position of the corresponding area to transmit it to the station 11. Thus the user can receive the most needed carefully thought through service around his own position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication system for communicating between a radio base station and a mobile station.

[0002]

2. Description of the Related Art In a mobile communication system such as a car telephone which is widely used at present, a cellular system in which a service area is composed of a plurality of wireless cells having a radius of about 3 km is well known. In the cellular system, the zone in which the mobile station is located is recognized, and the location information (mobile station location information) is used for location registration, channel switching control, etc. On the other hand, as an example of means for the mobile station to measure its own position, there is a method of using its own position measurement system. As this self-position measuring system, GPS (Global Positioning)
A system called "System" will be described.
GPS is the most easily received from the 24 satellites (GPS satellites) whose relative position to the earth is known in advance.
It is a system that receives radio waves from each satellite and measures its own position (its own longitude, latitude, and altitude). Further, by using this system, a system (navigation system) that simultaneously displays a map stored in advance and its own position on a display has been realized.

[0003]

However, in the above-mentioned conventional mobile communication system, even when road congestion information is required, there is no choice but to rely on the road condition telephone service or the like.
You can only get a wide range of general information. Therefore, there is a drawback that the user cannot receive the detailed service centered on his / her own position, which is most needed by the user.

In addition, in a navigation system using GPS or the like, it is possible to obtain road information centered on its own position. However, in the current navigation system, map data is stored in advance, and therefore road information is stored. There were problems such as not being able to respond to changes in circumstances and not being able to understand the traffic congestion on the road.

The present invention is intended to solve these problems, and an object of the present invention is to provide a mobile communication system capable of providing highly convenient and delicate services.

[0006]

In order to solve the above-mentioned problems, the present invention provides a means for a mobile station to know its own location based on base station information that the mobile communication system has in advance, or a means other than the mobile communication system. The mobile communication service center has means for measuring the position, and means for collecting information such as road congestion information or road map information, means for accumulating such information (hereinafter referred to as service information), and accumulated information. It has a means (database means) for retrieving necessary service information. The mobile communication service center includes means for obtaining position information of the mobile station and means for transmitting the service information related to the position information of the mobile station to the mobile station.

[0007]

According to the present invention having the above-mentioned structure, the mobile communication service center knows the position of the mobile station by using the mobile communication system or the position measurement system, and moves the mobile station related to the position of the mobile station. The service information necessary for the station is searched, and the service information of the search result is transmitted to the mobile station. Therefore, the present invention can solve the above problems and provide highly convenient and delicate services.

[0008]

1 is a block diagram showing an example of the configuration of a mobile communication system to which the present invention is applied. In the figure, 11 is a mobile station, 12 is a radio base station for communicating with the mobile station via a radio line, 13 is an exchange, and 14 is a mobile communication service center. FIG. 2 is a block diagram showing the configuration of the mobile communication service center applied to the present invention. In the figure, 21 is a control signal transmitting / receiving device for transmitting / receiving control signals to / from the exchange 13 of FIG. 1, 22 is a call processor for performing call control, 23 is a communication line switch for transmitting service information, and 24 is A transmission buffer for efficiently transmitting service information, 25 a processor for inputting / outputting service information necessary for the service information database, 26 a service information database, and 27 efficiently writing information in the service information database 26. 28 is a processor for rewriting data such as traffic jam information and map information from the outside into service information data, and 29 is a receiving buffer for efficiently receiving road traffic jam information and map information from the outside. Here, the configuration has been shown in which the road congestion information and the map information are received from another person, but the present invention can be realized by converting the format of the corresponding information by the processor 28 regardless of the format.

FIG. 3 is a diagram showing an example of a data format in the service information database of the present invention. The form of the service information in the present invention may be a form in which voice data is combined to provide a service as voice like the time signal service 117, or a form in which data is provided as an image like the captain service. Any service form is possible as long as the stored data is stored in the database. Further, FIG. 4 shows an example of the relationship between the base station position and the search key of the service information database. By constructing a database with a search key for each service information unit shown in FIG. 4, service information search corresponding to base station information can be easily realized. In the figure, for example, the database search key of the 10th base station is 2-2, and that of the 18th base station is 4-3.

Next, a control procedure for carrying out the present invention is shown in FIG. When the user needs the road traffic congestion information (S1), the mobile communication system is used to call the mobile communication service center having a predetermined number (S2). The mobile communication service center requests the base station information of the corresponding mobile station from the mobile communication switching center (S
3). The mobile communication switching center transmits the latest base station information of the mobile station to the mobile communication service center (S4). The mobile communication service center which has obtained the base station information searches the base station information for the service information of the corresponding area by key, and transmits the service information data to the mobile station (S5). The mobile station services the voice service information by the handset and the image service information by the display device (S6). By executing the above flow, the user can obtain the necessary service information around his / her position.

FIG. 6 shows an example of a voice information service sentence and a display example of a traffic jam map information service for a mobile station actually located in the 10th base station of FIG. Here, the example in which the mobile communication switching center transmits the position information in response to a request from the mobile communication service center has been described, but a method in which the mobile communication service center requests base station information from the mobile station may be considered.
As an example of a voice service, "There is a traffic jam of 400m from the Hibiya intersection to the Hatadabashi area and 500m from the Hibiya intersection to the Uchisaiwaicho area." Displayed in.

Also, here, an example in which the base station information in the mobile communication system is used as the own position detecting means has been shown.
By using the own position measurement system such as GPS (Global Positioning System) and using the latitude and longitude of the mobile station as the position information, more detailed service becomes possible. When GPS is used, when performing a key search of the database, the key can be determined by comparing the magnitudes of longitude and latitude.

Next, FIG. 7 shows an example of the configuration of a mobile station device when GPS is used. In the figure, 71 is a handset, 72 is a baseband processing unit having a control signal transmitting / receiving function, 73 is a transmitter, 74 is a receiver, 75 is an antenna duplexer, 76 is a processor, 77 is a main storage device, and 78 is a G memory.
The PS device and 79 are display devices. The control signal transmission / reception function in the baseband processing unit 72 can be realized by a method such as using a control signal storage memory and a microprocessor. In the case of using the GPS, when the position information request from the mobile service center is received, the baseband processing unit 72 determines the request signal and notifies the processor 76 of that. The processor 76 reads the position (longitude, latitude) of the mobile station from the GPS device 78 and sends the mobile station position information to the baseband processing unit 72. Baseband processing unit 72
Then, the mobile station position information is sent to the transmitter 73 as a control signal and transmitted to the mobile service center. The traffic jam map information can be obtained by following the same procedure as in the above-described embodiment.

[0014]

As described above, according to the present invention,
By using the car phone system or the car phone system and the own position measurement system, it is possible to obtain service information such as traffic jam information around the own position and the latest map information at the place where the user needs it and when necessary. Becomes

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration example of a mobile communication system applied to the present invention.

FIG. 2 is a block diagram showing a configuration example of a mobile communication service center applied to the present invention.

FIG. 3 is a diagram showing an example of a data format in a service information database according to the present invention.

FIG. 4 is a diagram showing correspondence between base station information and a search key of a service information database according to the present invention.

FIG. 5 is a flowchart showing an example of a control procedure for implementing the present invention.

FIG. 6 is a diagram showing an example of a voice information service and a display example of traffic jam map information as an example of the information service in the present invention.

FIG. 7 is a diagram showing a configuration example of a mobile station device according to the present invention using GPS.

[Explanation of symbols]

 11 Mobile Station 12 Radio Base Station 13 Switch 14 Mobile Communication Service Center 21 Control Signal Transmitter / Receiver 22 Call Processor 23 Communication Line Switch 24 Transmit Buffer 25 Processor 26 Service Information Database 27 Buffer Memory 28 Processor 29 Receive Buffer 71 Handset 72 Baseband Processing unit 73 Transmitter 74 Receiver 75 Antenna duplexer 76 Processor 77 Main storage device 78 GPS device 79 Display device

Claims (1)

[Claims] 1. A mobile communication system for performing communication between a mobile station and a radio base station, the mobile communication system transmitting information between a center that provides service information related to the mobile station and the mobile station, The center knows the position of the mobile station by using a mobile communication system or a position measurement system, searches for the service information related to the position of the mobile station, and sends the service information of the search result to the mobile station. Mobile communication system characterized by.