JPH08265826A - Current position display method and device for personal handy phone system - Google Patents

Abstract

PURPOSE: To provide a method and a device displaying a location of a personal handy phone system onto a display section of the personal handy phone system(PHS) without inquiring about a radio base station. CONSTITUTION: A personal handy phone system (PHS) is made up of plural radio base stations (CS1-CS3) and a personal handy phone system terminal(PS) as shown in figure (B). A radio base station sends a CS-ID number to notice information to recognize a base station. The personal handy phone system terminal(PS) is made up of a radio section 1, a voice section 2 converting a digital signal into a voice signal, a control section 3 controlling them, and a data processing section 4 receiving the CS-ID number received by the radio section 1 from the control section, processing the data, acquiring the location of the telephone terminal from a memory section 5 as position information and allowing a display section 6 to display position information.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simplified mobile phone terminal, and more particularly to a function of displaying position information based on CS-ID information from a wireless base station.

[0002]

2. Description of the Related Art As a prior art, Japanese Patent Laid-Open No. 4-152272
No. 4 "Mobile radiotelephone and its system" has been released. As shown in FIG. 2, the system includes ground receiving base station groups CS11 to CS14 of outdoor public telephone boxes and portable wireless telephones installed on the roof of a building and ground receiving base station group CS.
A mobile communication control device MSC for controlling 11 to CS14;
It is composed of a map information file LR that stores map information including the entire installation locations of these ground receiving base station groups CS11 to CS14 and a mobile radio telephone.

A radio wave transmitted from a portable radio telephone is received by a reception base station near a transmission position where the reception radio wave is strong among a plurality of reception base stations (CS11 to CS14) arranged at various places.
That is, the origination position can be specified by the installation location of the receiving base station that is receiving by the mobile communication control device that controls the plurality of receiving base stations. The transmission position specified in this way is searched for partial map information including the transmission position from the huge partial map of the map information file (LR) attached to the mobile communication control device (MSC) and transmitted through the receiving base station. Wirelessly transmitted to the person.

The caller can receive the wirelessly transmitted transmission position and partial map information including the transmission position by the portable radio telephone, and can confirm the transmission position by the image display device mounted on the portable radio telephone. it can.

[0005]

In the conventional system for wirelessly transmitting the map information of the area around the origination position of the portable radio telephone to the originator, the origination position is inquired in order to select the origination position. Further, there is a problem in that it is necessary to occupy a wireless line for a considerable time in order to transmit map information including a transmission position, and an inquiry cannot be made when the wireless line is used.

An object of the present invention is to provide a method for displaying the current position of a simplified portable telephone terminal which can display the current position only by the telephone terminal without making an inquiry to the wireless base station and wirelessly transmitting the positional information including the map. It is to provide the device.

[0007]

A method for displaying the current position of a simplified portable telephone terminal according to the present invention is a simplified portable telephone having a wireless section for receiving a signal from a wireless base station, a voice section, a display section and an operation control section. In a method of displaying a current position of a terminal, a step of accumulating position information corresponding to a CS-ID number, which is an identification code of a wireless base station, and the CS-I from the wireless base station.
The method includes the steps of receiving a D number and extracting position information from the CS-ID number, and displaying the position information on a display unit according to an instruction from the operation control unit.

Further, the present position display device for a simple type portable telephone terminal of the present invention has a wireless unit for receiving a signal from a wireless base station, a voice section, a display section, and an operation control section. In the display device, means for accumulating position information corresponding to the CS-ID number which is the identification code of the wireless base station, and the CS-ID number from the wireless base station,
It has a unit for extracting the position information from the CS-ID number and a unit for displaying the position information on the display unit according to an instruction from the operation control unit.

The means for accumulating the position information is C
The location address display of the S-ID number and CS-ID number is stored in advance as position information, or the corresponding CS
-Map information including a plurality of CS-ID numbers centering on the ID number, and having a memory unit stored in advance.

Further, the means for accumulating the position information is a plurality of map information including a plurality of CS-ID numbers centering on the corresponding CS-ID number, and has a portable memory medium which can be mounted freely.

Further, the means for displaying the position information on the display unit according to the instruction of the operation control unit corresponds to the specific button of the operation control unit, and the display is started by the operation of the specific button, and the display is maintained until it is reset. Or a display unit that is associated with a plurality of dial buttons of the operation control unit and starts display by a plurality of operations of the dial buttons and maintains the display until the reset button is operated.

[0012]

According to the method and apparatus for displaying the current position of the simplified portable telephone terminal of the present invention, the memory unit stores a plurality of position information corresponding to the CS-ID number which is the identification code of the wireless base station. The portable telephone terminal receives the CS-ID number from the wireless base station, retrieves the position information centered on the CS-ID number from the memory unit, and displays the position information on the display unit according to the operation instruction.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings. FIG. 1A is a functional block diagram of a simplified mobile phone terminal according to an embodiment of the present invention, and FIG. 1B is a schematic diagram of a simplified mobile phone terminal according to an embodiment of the present invention. When displaying the current location on the terminal, the CS with the strongest electric field received by the wireless unit is displayed.
-ID number or CS with 3 or 4 in order from the strongest-
The ID number is transferred to the data processing unit via the control unit, and the data processing unit compares and verifies the CS-ID number and the position information (for example, what town, what chome, etc.) closest to the strength of the electric field and displays it on the display unit displayed from the memory unit. Forward. The display section displays this position information.

The position information may be address display data of the location of a wireless base station (hereinafter referred to as CS) or map display data including a plurality of CSs centered on the detected CS.

Regarding acquisition of the CS-ID number, FIG.
If the portable telephone terminal (PS) is located in the middle of the plurality of radio base stations CS1 to CS3 as shown in FIG.
1-CS3 can receive each CS-ID number,
The strength of the electric field at that time can also be measured, so the closest CS
Can be determined. Further, when located in the middle of a plurality of base stations, it is possible to estimate the approximate position from the strength of each electric field.

In a simple mobile phone system (PHS: personal handy phone system), a wireless base station (CS)
Always use CS-I on the broadcast channel in the control channel
I'm playing the D number. Therefore, a simple mobile phone terminal (P
S) is a CS-I without transmitting an inquiry signal.
The D number can be received and the position can be confirmed.

As the CS-ID number, a different number is given to each CS in order to identify the CS, and the originating ID is assigned to the broadcast channel (BCCH) transmitted in the first slot of the super frame of the logical control channel (LCCH). It is included as a code. This calling identification code is a 42-bit code in which the first 9 bits are the business operator identification code and the remaining 33 bits are the paging area number + additional ID. The simple mobile phone terminal always looks at this calling identification code and, if necessary, raises the location registration. Further, since the area of one CS is within a radius of 150 m, the current position information to be displayed can be finely divided. In particular, since the location and direction are often lost in underground malls, the present technology is effective.

[0018]

As described above, according to the present invention, the portable telephone terminal receives the CS-ID number included in the broadcast channel in the control channel transmitted from the wireless base station. The location information you have will be retrieved and displayed, so make a position inquiry to the wireless base station,
It has an effect that the current position can be displayed only by the terminal without the complicated process of judging the strength of the signal received at the base station side by the mobile communication control device and sending the position information of the strongest base station to the mobile phone terminal. .

[Brief description of drawings]

FIG. 1A is a functional block diagram of a simplified mobile phone terminal according to an embodiment of the present invention. FIG. 1B is a schematic diagram of a simplified mobile phone terminal according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 1 wireless unit 2 voice unit 3 control unit 4 data processing unit 5 memory unit 6 display unit CS1 to CS3 wireless base station PS simple mobile phone terminal CS-ID wireless base station identification code CS11 to CS14 receiving base station group MSC mobile communication control Device LR location information or map information file

Claims (7)

[Claims] 1. A method for displaying a current position of a simplified mobile phone terminal having a radio section, a voice section, a display section and an operation control section for receiving a signal from a radio base station, wherein a CS-ID which is an identification code of the radio base station. Storing position information corresponding to the number, receiving the CS-ID number from the radio base station, and receiving the CS
A method for displaying the current position of a simplified mobile phone terminal, comprising: extracting position information from an ID number; and displaying the position information on a display unit according to an instruction from the operation control unit. 2. In a current position display device of a simplified mobile phone terminal having a radio section for receiving a signal from a radio base station, a voice section, a display section and an operation control section, a CS-ID which is an identification code of the radio base station. Means for accumulating position information corresponding to the number, and receiving the CS-ID number from the radio base station,
A current position display device for a simplified mobile phone terminal, which has a unit for extracting position information from an ID number and a unit for displaying the position information on a display unit according to an instruction from the operation control unit. 3. The simplified mobile phone terminal according to claim 2, wherein the means for accumulating the position information has a memory unit in which a CS-ID number and a location address display of the CS-ID number are stored in advance as the position information. Current position display device. 4. A means for accumulating the position information comprises a plurality of CS-IDs centering on corresponding CS-ID numbers.
The current position display device for a simplified mobile phone terminal according to claim 2, wherein the current position display device has a memory unit that stores map information including a number. 5. A means for accumulating the position information comprises a plurality of CS-IDs centering on corresponding CS-ID numbers.
The present position display device of the simplified mobile phone terminal according to any one of claims 2 to 4, which has a plurality of map information including a number and has a removable and removable memory medium. 6. The means for displaying the position information on the display unit according to an instruction from the operation control unit corresponds to a specific button of the operation control unit, the display is started by the operation of the specific button, and the display is maintained until reset. The present position display device of the simplified mobile phone terminal according to any one of claims 2 to 5, further comprising a display unit. 7. The means for displaying the position information on the display unit in accordance with an instruction from the operation control unit corresponds to a plurality of dial buttons of the operation control unit, and the display is started by a plurality of operations of the dial buttons, and a reset button is pressed. The present position display device for a simplified mobile phone terminal according to any one of claims 2 to 5, further comprising a display unit that maintains a display until it is operated.