JPH11164350A - Positional information service method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily signal self current position to the opposite communication party by notifying the registration position of a mobile terminal as positional information that shows the current position to another terminal and showing it on a displaying part of the other terminal. SOLUTION: When a user turns on a switch of a mobile terminal PS-1 and performs line connection with a displaying part 4 which is connected to a base station CS-1 of an area E-4, the terminal PS-1 registers self current place on a position registering part 2 and also stores a CS-ID that is self registration position. The terminal PS-1 and the part 4 undergo line connection through the terminal PS-1 and the station CS-1. The terminal PS-1 configures a communication slot SL-2 on which the CS-ID that shows self-current position is superimposed. The slot SL-2 is sent to the part 4 by using a speech communication channel that is subjected to line connection. The part 4 which receives the slot SL-2 shows the positional information on a display according to software that belongs to the part 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a position information service system in a personal handy phone system (hereinafter, referred to as a PHS system).

[0002]

2. Description of the Related Art In recent years, applications of PHS systems have expanded.
It is used not only for outdoor public use but also for various uses such as home use, business use, and communication between child devices. The PHS system has a location registration function and a tracking connection function as basic functions. The PHS user causes the network to recognize the current location of the mobile terminal using the location registration function. The exchange in the network searches for a service area to which the mobile terminal currently belongs by using the tracking connection function, and connects to the line.

Using these functions, communication is performed between mobile terminals that move freely within a service area, or between other terminals via a network. A mobile terminal is a very convenient tool for, for example, a company having many sales people to keep in close contact with each other. The headquarters, which controls the sales activities of salespeople, receives regular communications from salespeople at appropriate times, and grasps the positions and activities of each salesperson.

[0004]

However, the above-mentioned conventional techniques have the following problems to be solved. Frequent regular communication is troublesome for sales people. In each case, considerable communication costs are required to confirm the current location and report. Not only in salespersons but also in private communications, there are many cases where a person who uses a mobile terminal needs to inform the other party of his / her current location. In that case, accurate explanation of the current location is not easy, and in many cases, the current location cannot be confirmed.

[0005]

The present invention adopts the following constitution in order to solve the above points. <Configuration 1> The registered position of the mobile terminal, which is stored inside the mobile terminal by the location registration response procedure between the base station and the mobile terminal, is compared with the current position with respect to other terminals communicating with the mobile terminal. A location information service method, wherein the location information is notified as location information to be indicated and displayed on a display unit of the other terminal.

<Configuration 2> A location registration response procedure between the base station and the mobile terminal, which is stored inside the mobile terminal,
A location information service method, wherein the registration position of the mobile terminal is displayed on a display unit of the mobile terminal itself as location information indicating a current location.

<Structure 3> In the method described in Structure 1,
The mobile terminal transmits position information indicating its current location to another terminal by including it in the communication slot, and the other terminal extracts the position information from the communication slot received from the mobile terminal and displays it on the display unit. A location information service method characterized by displaying.

<Structure 4> In the method described in Structure 3,
A position information service method, wherein position information indicating a current position of the terminal is included in an information area of a communication slot.

<Structure 5> In the method described in Structure 3,
A location information service method, characterized in that location information indicating its current location is included in a low-speed associated control channel of a communication slot.

<Structure 6> In the method according to Structure 3,
The mobile terminal includes the position information indicating its current location in the information area portion of the communication slot, adds a start signal to the beginning of the position information, adds a stop signal to the end, and transmits the position information to another terminal. From the communication slot received from the mobile terminal, detect the start signal, mute the audio signal until the stop signal is received, simultaneously extract the position information and display it on the display unit Characteristic location information service method.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the present invention, a location registration function of a PHS is used. The location registration function is set for the PHS to communicate through the base station. When the mobile terminal is turned on, location registration is always performed. When the mobile station moves to the area managed by the adjacent base station, the location information is updated. Moreover, since the range managed by the PHS base station is narrow, it is possible to use the position information as a clue to know the position of the person who owns the mobile terminal. Further, the present invention can be implemented by simply adding a simple display control function using existing functions.

Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments. FIG. 1 is an explanatory diagram of the navigator function according to the first specific example. Before describing FIG. 1, a location registration function, which is a basic location information service function (hereinafter, referred to as a navigator function), will be described with reference to a comparative example.

(Contents of Location Registration Function) FIG. 2 is an explanatory diagram of a location registration function system according to a comparative example. 2, the location registration function system according to the comparative example includes an analog / digital network 1, a location registration unit 2, a base station CS-21 to a base station CS-M, an area E-21 to an area EM, An exchange (hereinafter referred to as PBX) 3 and mobile terminals PS-21 to PS-21
And a mobile terminal PS-n.

The analog / digital network 1 is a part for controlling the whole system and connecting to other public lines and the like, and has an exchange function, a location registration function, a tracking connection function and the like. The location registration unit 2 is a part that shares a part of the functions of the analog / digital network 1, and the mobile terminal P belonging to the system.
S-21 to the part that stores the current location of the mobile terminal PS-n. The base stations CS-21 to CS-M are individually connected to the analog / digital network 1 by wire, and furthermore, mobile terminals PS-21 to PS currently belonging to their own stations.
-N is a part that is wirelessly connected. In this wireless area, communication is performed using a control channel and a communication channel.

The areas E-21 to EM are radio service areas individually assigned to the base stations CS-21 to CS-M. This area can be classified into various areas such as outdoor public use, home use, on-premise premises use, and communication between slave units, depending on the use. PBX3
Is a private branch exchange provided on the premises of the office, which has a plurality of base stations and a plurality of areas under its control, and has a function of reducing the function of the analog / digital network 1 and limiting it to only the premises of the office. Part. The mobile terminals PS-21 to PS-n are connected to the base stations CS-21 to CS-M.
A mobile phone that connects to and communicates with each other individually and wirelessly.
Usually called a child device, it is carried in a user's pocket or the like.

Next, the operation of location registration and handover will be described with reference to FIG. Here, the handover means that the mobile terminal transitions from the area to which the mobile terminal belongs to another area while the operation switch is on (in the operation state).

It is assumed that the user has turned on the mobile terminal PS-21. S-1. The mobile terminal PS-21 is connected to an adjacent base station (C in the figure).
S-22 and CS-23) use the control channel to receive continuously and intermittently transmitted area information. From the magnitude of the received signal, it is determined that the current location to which the user belongs is the area E-24. S-2. The mobile terminal PS-21 sends a position registration request signal to the base station CS-22 in the area E-24.
Upon receiving this signal, the base station CS-22 transmits the signal to the mobile terminal PS.
An authentication request signal is transmitted toward -21. Here, the authentication request signal is a request signal for requesting a unique number (hereinafter, referred to as PS-ID) assigned to each mobile terminal.

S-3. Upon receiving the authentication request signal, the mobile terminal PS-21 sends the PS- 21 to the base station CS-22.
Send ID. S-4. Base station CS-22 receiving this PS-ID
Registers the current location of the mobile terminal PS-21 in the location registration unit 2. At the same time, a location registration response signal carrying the CS-ID is transmitted to the mobile terminal PS-21. Here, the CS-ID is a unique number assigned to each base station.

S-5. The mobile terminal PS-21 that has received the location registration response signal transmits the CS-
The ID is stored. Mobile terminal PS-21 and base station CS-2
2 recognizes each other's IDs, and thereafter establishes a call by setting up a call.

It should be noted here that the location registration is an operation performed before the call is set up, and is an operation that proceeds irrespective of the other party. Another point is that the location registration partner is the analog / digital network 1.

Next, the operation of the handover will be described. It is assumed that the user has crossed the boundary A between the area E-24 and the area E-21 while in a talking state. S-6. The mobile terminal PS-21 notifies the CS-22 of an information channel switching request when the reception state from the CS-22 deteriorates. Thereafter, a switching instruction is issued from the base station, and then a link channel is established (at this time, a new CS-
(ID can be received), and performs a call connection process with the CS-23 that emits radio waves with higher reception sensitivity, and returns to the call state. Now that the description of the location registration operation that is the basis of the present invention has been completed, returning to FIG. 1 again, the navigator function according to the present invention will be described.

<Configuration of Specific Example 1> FIG. 1A is a system configuration diagram, FIG. 1B is a configuration diagram of a communication slot SL-2,
(C) is a configuration diagram of the communication slot SL-1, and (d) is
It is a state transition diagram during communication. From (a), the navigator system according to the first embodiment includes an analog / digital network 1 and
Location registration unit 2, base station CS-1 to base station CS-N,
An area E-1 to area EN, a private branch exchange 3, a display unit 4, and mobile terminals PS-1 to PS-N are provided.

An analog / digital network 1 and a location register 2
The private branch exchange 3 has exactly the same configuration as that of the location registration function system according to the comparative example described above. Base station CS
-1 to base station CS-N have the same function as the configuration of the location registration function system according to the comparative example,
It is also a part that can be attached. Area E-1
The area E-N includes the base stations CS-1 to CS-N.
Is a wireless service area that each of them individually handles,
The function is the same as the configuration of the location registration function system according to the comparative example.

The display section 4 is a section for displaying the current location of the communication partner on a peripheral map on a display. This is the part where the purpose can be achieved even with a personal computer or the like. Each of the mobile terminals PS-1 to PS-N has, in addition to the configuration and function of the location registration function system according to the comparative example, call information coded with data indicating its current location in the information area of the RCR standard. This part is sent to the communication partner. Here, the RCR standard is the radio industry standard RCR-STD-
28.

<Operation of Specific Example 1> The navigator system according to the specific example 1 operates as follows. Now, suppose that the user turns on the switch of the mobile terminal PS-1 and the area E
It is assumed that a line is connected to the display unit 4 connected to the base station CS-1 of No. -4. s-1. The mobile terminal PS-1 registers its current location in the location registration unit 2 by exactly the same operations as S-1 to S-5 described in the content of the location registration function, and also sets its own registered location CS. -Store the ID. s-2. Via the mobile terminal PS-1 and the base station CS-1,
The mobile terminal PS-1 and the display unit 4 are connected via a line.

S-3. The mobile terminal PS-1 configures a communication slot SL-2 (FIG. (B)) on which a CS-ID indicating its current location is placed. The communication slot SL-2 is transmitted to the display unit 4 by using the communication channel connected at s-2. s-4. The display unit 4 that has received the communication slot SL-2 displays
The position information is displayed on the display according to the software possessed by the user. Here, this communication slot S
The transmission destination of L-2 does not need to be a display-only thing like the display unit 4. For example, a PS belonging to the area E-N
A mobile terminal having a liquid crystal display LCD capable of displaying a position, such as -N, may be used. In this case, the mobile terminal P
After S-1 sends out the communication slot SL-2 for a certain period of time, a normal call can be made by changing to the normal call slot SL-1 (FIG. 10C).

Here, the difference between the normal communication slot SL-1 and the communication slot SL-2 will be described with reference to FIGS. In both slots, 240 bits from a to i in the figure are defined according to the RCR standard. Among them, g and 160 bits are defined as the information area. This g is normal call information in the call slot SL-1. In the communication slot SL-2, it is position information, that is, CS-ID. As a method of placing the position information, for example, a push button tone (hereinafter referred to as a PB tone) used in a pager can be used. In this case, the time for sending the location information is PB
It is necessary to conform to the tone standard.

Next, the operation of the handover will be described. Area E-2 and area E while the user is in a call
Assume that the boundary A of -1 has been exceeded. s-5. The mobile terminal PS-1 performs the operation of S-6 described in the content of the location registration function, and updates the current location on the location registration unit 2. At the same time, it stores the registration position after its own handover. s-6. A communication slot SL-2 (FIG. 8B) in which data indicating the current location after the handover is placed is configured.
This communication slot SL-2 is sent to the display unit 4.

S-7. s-4, the communication slot S
The display unit 4 receiving the L-2 displays the position information on the display according to the software possessed by itself. Similarly, in the case of a mobile terminal including a liquid crystal display unit LCD, such as a PS-N belonging to the area E-N, the position after the handover is displayed on the liquid crystal display unit LCD. Hereinafter, the same operation is repeated.

FIG. 7D shows the above operation as a change of the communication slot with time. The mobile terminal PS-1
At the start of communication, the communication slot SL-2 is sent out at XmS (seconds) to notify the communication partner of its own current location. This XmS
Differs depending on how the position information is sent (for example, a push button tone method). In the case of transmission by the push button tone method, the system can be applied even to an analog compatible system. After notifying the user's current location, the terminal returns to the communication slot SL-1 to send normal call information.

When handover is performed again, the communication slot SL-2 is transmitted again for XmS (seconds) to notify the communication partner of the current location after the change. By repeating the above operation, the mobile terminal PS- is displayed on the display of the display unit 4.
1 is displayed. In addition to notifying the communication partner of his / her current location, it is also possible to display his / her current location on his / her own liquid crystal display LCD. This function allows the user to easily know the current location.

Further, by inquiring of the position registration unit 2 through the base station, the registered positions of mobile stations other than the other party can be easily known. In the configuration described above, the system does not necessarily need to be a digital system.
Depending on how the position information is sent, it can be applied to an analog system.

<Effect of Specific Example 1> The mobile terminal has a function of placing its own position information on the communication slot, and also has a function of recognizing the position information sent on the communication slot. By doing so, the following effects were obtained. 1. It is now possible to easily inform a communication partner of his / her current location. 2. Since software processing is mainly used, it has become possible to avoid an increase in cost and size of a mobile terminal due to the addition of a location information transmission / reception function. 3. Further, a display section is provided on the receiving side, and by displaying the transmitted position information on a peripheral map displayed on the display, a simple navigation function can be obtained.

<Structure of Embodiment 2> Only the differences from Embodiment 1 will be described. FIG. 3 is a block diagram of a receiving circuit of a mobile terminal according to the second embodiment. As shown in the figure, the reception circuit of the mobile terminal in the specific example 2 includes a D / A conversion unit 31, a PB tone decoder 32, a display unit 33, an amplification unit 34, an operation unit 35, and a receiver 36. All other configurations including the system configuration are the same as in the first embodiment. D / A
The conversion unit 31 is a unit that converts a digital signal subjected to audio decoding into an analog signal.

The PB tone decoder 32 converts position information (CS-I) from the signal converted by the D / A converter 31 into analog data.
D). The display unit 33 is a unit that displays the position information (CS-ID) recognized by the PB tone decoder 32, and is configured by, for example, a liquid crystal display unit LCD. The amplification unit 34 is an amplifier for driving the receiver 36. The arithmetic unit (CPU) 35 is a unit that monitors the PB tone decoder 32 and generates a mute signal. This part can also serve as a CPU which a normal mobile terminal has inside. The receiver 36 is a part that converts an electric signal into an audio signal.

<Operation of Specific Example 2> FIG. 4 is an explanatory diagram of CS-ID information notification. The left side of the figure shows the flow of the operation on the side transmitting the position information, and the right side of the figure shows the flow of the operation on the receiving side. The operation flow will be described below with reference to the drawings. T-1. A line is connected between the transmitting side and the receiving side. T-2. When transmitting the position information (CS-ID) using the communication channel, the transmitting side transmits a predetermined start signal. The receiving side receives this start signal and the PB tone decoder 32 (FIG. 3) recognizes it.
The arithmetic unit 35 detects this signal and outputs the signal to the amplifying unit 34 (FIG. 3).
Send a mute signal to stop the sound.

T-3. Subsequent to the start signal, the transmitting side transmits position information (CS-ID). The receiving side receives the position information (CS-ID) and receives the PB tone decoder 3.
2 (FIG. 3) recognizes the CS-ID. This signal is received by the display unit 33 (FIG. 3) and, for example, a liquid crystal display unit LCD
To show your current location. During this time, the operation unit 35 continues to send the mute signal. T-4. The transmission side transmits a predetermined stop signal after the transmission of the position information (CS-ID) is completed. The receiving side receives the stop signal and sends the stop signal to the PB tone decoder 32.
(FIG. 3) recognizes. The arithmetic unit 35 detects this signal, and stops the mute signal that has been sent to the amplifying unit 34 (FIG. 3) until that time.

T-5. The transmitting side and the receiving side communicate a call signal. T-6. The transmitting side performs handover. The transmitting side registers the position in the analog / digital network 1 (FIG. 1) using the control channel. T-7. Based on the new position information (CS-ID), the transmitting side performs exactly the same operation as the above T-2 to T-5 in T-7 to T-
Repeat until 10. That is, while the transmitting side is transmitting new position information (CS-ID) due to handover, the receiving side continues to mute the audio signal. Other operations are the same as those in the first embodiment.

<Effect of Specific Example 2> The transmitting side sends a start signal at the head of the position information (CS-ID) and a stop signal at the tail, and the receiving side receives the stop signal after receiving the start signal. Until then, the following effects were obtained by muting the audio signal. 1. The system according to the first embodiment can be easily adapted to the conventional system, and the location information service can be provided without increasing the cost and size of the mobile terminal. 2. With the start signal and the stop signal, the mute of the audio signal can be transmitted substantially at the timing of the transmission side and the reception side, so that the deterioration of the communication quality can be prevented.

FIG. 5 is an explanatory diagram of the navigator function according to the third embodiment. (A) shows a communication slot S
It is a block diagram of L-3, (b) is a state transition diagram during communication. (A) shows that the communication slot S used in the specific example 3
L-3 inserts the position information (CS-ID) into f. Otherwise, it is the same as the communication slot SL-1 (FIG. 1C). According to the RCR standard, the f-portion is called a low-speed associated control channel, and is a portion for performing information necessary for call connection and user packet data transfer. Further, it is a portion where other additional data can be placed.

By inserting the position information (CS-ID) into the f portion, the g portion can be used as call information. Therefore, the location information (CS-ID) can be sent as data while the call is continued. Further, in the specific examples 1 and 2, it was necessary to code the call information in order to put the position information (CS-ID) on g.
This is no longer necessary.

FIG. 7B is a diagram showing the operation of the third embodiment as a change of the communication slot over time. Mobile terminal PS-1
(FIG. 1) shows the communication slot SL-3 at 5 m at the start of communication.
It is transmitted every S (seconds) to inform the communication partner of its current location. The position information (CS-ID) is divided into a plurality of pieces, each of which is placed on the f portion of the plurality of communication slots SL-3 and transmitted. After the transmission is completed, the communication slot SL-1
Change to When handover is performed, communication slot S
The communication information is changed to L-3, and the position information (CS-ID) is divided and transmitted on f portions of the plurality of communication slots SL-3. By repeating the above operation, the trajectory of the mobile terminal PS-1 is displayed on the display of the display unit 4.

<Effects of Specific Example 3> The following effects were obtained by mounting the position information (CS-ID) on the low-speed associated control channel. 1. The mobile terminal does not need to have a function of coding and decoding the call information with the position information (CS-ID). 2. Since the information area of the call slot can be dedicated to the call information, the call can be continued even while transmitting the position information (CS-ID).

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a navigator function according to a specific example 1.

FIG. 2 is an explanatory diagram of a location registration function system according to a comparative example.

FIG. 3 is a block diagram of a receiving circuit of a mobile terminal in a specific example 2.

FIG. 4 is an explanatory diagram of CS-ID information notification.

FIG. 5 is an explanatory diagram of a navigator function according to a specific example 3.

[Explanation of symbols]

 Reference Signs List 1 analog / digital network 2 location registration unit 3 private branch exchange (PBX) 4 display unit CS-1 to CS-N base station E-1 to EN area PS-1 to PS-N mobile terminal g location information

Claims (6)

[Claims] 1. A mobile terminal according to claim 1, wherein the registered position of the mobile terminal, which is stored in the mobile terminal by a location registration response procedure between the base station and the mobile terminal, is stored in a current location with respect to other terminals communicating with the mobile terminal. A location information service method, wherein the location information is notified as location information indicating the location information, and is displayed on a display unit of the other terminal. 2. A display unit of the mobile terminal itself, wherein the registered position of the mobile terminal, which is stored inside the mobile terminal by a location registration response procedure between a base station and the mobile terminal, is used as position information indicating a current location. A location information service method, wherein the location information service method displays the information. 3. The method according to claim 1, wherein the mobile terminal transmits position information indicating its current location to another terminal in a communication slot, and the other terminal receives the position information from the mobile terminal. Extracting the location information from the communication slot obtained and displaying the location information on a display unit. 4. The location information service method according to claim 3, wherein the location information indicating the current location of the terminal is included in an information area of a communication slot. 5. The location information service method according to claim 3, wherein the location information indicating its current location is included in the low-speed associated control channel of the communication slot. 6. The method according to claim 3, wherein the mobile terminal includes location information indicating its current location in the information area of the communication slot, and a start signal at the beginning of the location information and a stop signal at the end. In addition to transmitting to the other terminal, the other terminal detects the start signal from the communication slot received from the mobile terminal, mutes the audio signal until the stop signal is received, and simultaneously A position information service method, wherein the position information is extracted and displayed on a display unit.