JP3490082B2 - Communication line connection device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a train, a bus, and an automatic train.
Use of a simple mobile phone (PHS) even in a moving body such as a car
The present invention relates to an on-vehicle line connection device for a simplified portable telephone. 2. Description of the Related Art Conventionally, mobile communication devices have been
There are mobile phones and car phones. [0003] Such a conventional mobile communication device is
Separately, in recent years, a portable telephone (PHS) has been newly used.
It became so. Simple mobile phone (PHS) is cost effective
It is thought that it will spread as mobile communication because it is inexpensive
Have been. [0004] Simple portable telephone (PHS) and portable telephone, automatic
Commonly used wireless phones such as car phones, that is, mobile
Table 1 shows a comparison of body communication. [Table 1] [0006] Conventionally used.
Mobile phones are moving at high speed by train, bus, car, etc.
Inside is also available. In contrast, simple mobile phones (PH
S) cannot be used during high-speed movement. These differences are
Primarily due to differences in the size of the radio base station coverage area.
Cause. In other words, wireless base stations in car phones
Has a large coverage area of about 30 to 50 km
Therefore, even when moving between radio base stations even during high-speed movement,
Processing in the radio base station is easy. In contrast, simple carrying
Coverage area of wireless base station for mobile phone (PHS)
Because it is as narrow as several hundred meters, if you move faster than walking
Processing between wireless base stations has increased rapidly, and
You. [0007] The present invention relates to a mobile body moving at high speed.
To make it possible to use a simple mobile phone (PHS)
Provided is a communication line connection method and apparatus in a mobile phone.
The purpose is to: [0008] The present invention achieves the above object.
In the first aspect,
A simple mobile phone on a mobile object and a public
In the connection method of the communication line connecting to the public line network,
Outgoing calls from the mobile phone on the mobile
Accepted by the mobile station provided on the mobile body and
To a wireless base station connected to the
By connecting the line, the above-mentioned public line network and the above-mentioned simple cellular phone
Connection to a simple mobile phone,
A communication line connection method is provided. According to a second aspect of the present invention, there is provided a mobile communication system comprising:
A simple mobile phone and a public network provided outside the mobile body.
The connection method of the communication line that connects
A call to the portable telephone on the mobile unit from the public line network.
Received by the wireless base station connected to the line
Mobile station that communicates with the mobile phone
By connecting the line through the line,
Making a line connection with the simple mobile phone.
Communication line connection method for mobile phones
You. [0010] As a third aspect of the present invention, a moving object
A simple mobile phone and a public network provided outside the mobile body.
In the connection method of the communication line that connects
A mobile station that communicates with the mobile phone on the mobile
Wireless base station connected to the public line
Between the mobile station and the wireless base station through a wireless line.
Mobile phone on the above mobile body
And a line connection with the public line.
A method for connecting a communication line in a mobile phone is provided. In the first, second, and third aspects described above,
The operation will be described together. [0012] A simple portable telephone on the moving body is provided on the moving body.
A mobile station that communicates with is provided. On the other hand,
A wireless base station connected to a public line is provided. Soshi
To connect the mobile station and the wireless base station via a wireless line.
Communication between the mobile phone on the mobile body and the public line.
Wire connection. In other words, the simple mobile phone on the mobile object
If the call originates from the
Accepted by mobile stations. And this is a public line
A line through a wireless line to a wireless base station connected to the network
Connecting. As a result, the connection between the public line network and
Wire connections can be made. Conversely, from the public network
If there is a call to a mobile phone on the mobile,
The call is received by a radio base station connected to the public line network.
wear. Then, this is sent to the mobile station provided on the mobile body.
Make a line connection through a wireless line. With this, the public line
Make a line connection between the network and a simple mobile phone. Mobile station, radio base
If the output of the local office is sufficiently strong (in other words,
If you increase the coverage area of the wireless base station),
-Processing across areas no longer occurs frequently
Therefore, it is possible to talk even when the mobile body is moving at high speed. According to a fourth aspect of the present invention, a mobile unit is provided.
Connection of the communication line that connects the
Communication with the mobile phone on the mobile
And communication between the communication units
And a circuit switching unit for connection is provided on the mobile unit.
By connecting the line through two or more communication units,
A simple mobile phone on a high-speed mobile
And a communication line connection method for a simplified cellular phone.
A law is provided. The operation of the fourth embodiment will be described. The mobile unit is connected via a communication unit and a circuit switching unit.
The above simple mobile phones can be connected to each other. According to a fifth aspect of the present invention, a moving object
A simple mobile phone and a public line provided outside the mobile body
A communication line connection device for connecting a wireless base station connected to a network.
Receiver that receives the signal transmitted by the cellular phone.
Communication means and a simple portable signal from the signals received by the receiving means.
Pre-arranged to show the use of mobile phones
Code recognition means for detecting a code
Code determining means for determining the content of the code detected by the means
The code is transferred as a result of the determination by the code determination means.
Only if it is meant for use in a moving body
Perform line connection processing with the wireless base station through a wireless line
Circuit switching connection means;
A wire connection device is provided. The operation of the fifth embodiment will be described. The receiving means is a signal transmitted from the portable cellular phone.
To receive. The code recognizing means receives the data received by the receiving means.
Signal to indicate the usage status of the mobile phone.
Detects a pre-arranged code. Code judgment
The means determines the contents of the code detected by the code recognition means.
I do. As a result of this determination, the code is
Circuit switching connection means only if it means
Performs line connection processing with the wireless base station through the wireless line.
U. In this way,
Outgoing signal from a mobile phone
Therefore, it is not processed. Embodiments of the present invention will be described with reference to the drawings.
explain. This embodiment is used in a high-speed moving body.
A line connection between a simple mobile phone (PHS) and the ground side is possible
It is what it was. In addition, simple carrying within the high-speed moving body
It enables calls between mobile phones. In addition, this
A fast moving object is one that moves faster than a person can walk.
Mobiles such as trains, buses,
Refers to moving vehicles. First, an outline of the system will be described with reference to FIG.
You. The present system is mounted on a high-speed moving body 1.
Mobile stations 7 and 8, a radio base station 19 installed on the ground,
The public line 28 and the figure connected to the public line 28
And a ground station 35 (not shown) (not shown). First, the mobile stations 7 and 8 will be described. The mobile station 7 is used in the high speed mobile 1.
Mobile phone (PHS) and wireless base installed on the ground
Line connection with the station 19 and simple operation within the high-speed mobile unit 1
Also for line connection between mobile phones (PHS) 3
It is. The mobile station 7 includes a mobile station radio communication unit 17 and a mobile station.
A circuit switching unit 15 and a mobile station PHS communication unit 11 are provided.
You. The mobile station radio communication unit 17 is a radio base station on the ground.
For exchanging radio signals with the station 19
You. The mobile station radio communication unit 17 is connected to the high-speed mobile unit 1
When a call is made to the wireless base station,
The communication unit 22 has a function of connecting a line. On the other hand,
When transmitting, the radio communication unit 2 of the radio base station 19 in the area
2 to the mobile station circuit switching unit 15.
It has the function of transmitting to The mobile station radio communication unit 17
Has a sufficiently high signal transmission capability, and the high-speed mobile unit 1
Processing across the area of the wireless base station 19 with the movement of
Should not occur too often to be processed.
ing. The mobile station PHS communication unit 11 is a high-speed mobile
A person inside is making a call with a simple mobile phone (PHS) 3
Is transmitted from the portable cellular phone (PHS) 3
The incoming dial operation signal is detected and the mobile station circuit switching unit 15
Is to be connected to. When receiving, the mobile station line
Simple mobile phone (PHS) specified by the exchange unit 15
3 is to connect a line. The mobile station is provided inside the PHS communication section 11.
The code recognition unit 31 (see FIG. 2) uses
HS) 3 from the signal sent from the mobile phone
(PHS) for detecting the code indicating the use mode
Things. The code recognition unit 31 converts the detected code into
It is transmitted to the code determination unit 32 in the mobile station circuit switching unit 15.
You. The mobile station circuit switching unit 15 is provided outside the high-speed mobile unit 1.
At the time of reception from the mobile station,
Mobile phone (PHS) dial number
Communication unit 11 (and mobile station PHS communication unit 13 described later)
To communicate. On the other hand, the simple
When calling from the easy-form telephone (PHS) 3, the mobile station PH
S communication unit 11 (or mobile station PHS communication unit 13)
The designated mobile station radio communication unit 17 (or the high speed
Other mobile station PHS communication unit 1 mounted on mobile unit 1
1, 13). The mobile station line
The exchange unit 15 performs the above-described line connection processing by the simple portable telephone.
Talk (PHS) 3 usage mode is “High-speed mobile mode”
Is performed only when Use mode
The determination is made by a code provided inside the mobile station circuit switching unit 15.
The code determination unit 32 (see FIG. 2)
The code is based on Such a configuration is adopted.
We use simple form phones used on the ground
(PHS) 3 is connected via mobile station 7
This is to prevent When the high-speed moving body 1 is large,
The output of the portable cellular phone (PHS) 3 in the mobile unit 1
The radio wave may not reach the mobile station 7 in some cases. Mobile station 8
The purpose of this is to prevent such a situation.
A mobile phone (PHS) 3 installed at various places in the moving body 1
And outputs it to the mobile station 7 for mobile station line switching.
To the replacement unit 15. Also sent from mobile station 7
The transmitted signal is issued at various places in the high-speed moving body 1.
I believe. Therefore, the mobile station 8
Only the PHS communication unit 13 having the same function as the communication unit 11
It has. Transmission outside the high-speed mobile unit 1 is performed by a mobile station.
7, the mobile station 8 communicates with the mobile station wireless communication.
The communication unit 17 and the mobile station line switching unit 15 are not provided. [0030] Of the mobile stations 7 and 8, the mobile station 7 has a communication capacity.
As long as the amount is sufficient, one high-speed moving object 1
It is enough to provide only. On the other hand, the mobile station 8
It is necessary to provide a required number according to the size of the high-speed moving body 1 and the like.
There is. For example, as the mobile station PHS communication units 11 and 13
When one that covers a range of several hundred meters is adopted, one vehicle
On a train whose length is around 20m (15-25m),
Mobile station 7 (or mobile station 8) should be installed every 4 cars
No. The Shinkansen is a 16-car train, so between the second and third cars,
Between 7 cars, between 10 and 11 cars, and between 14 and 15 cars
The mobile station PHS communication unit should be installed between eyes.
You. Next, the radio base station 19 installed on the ground is
Will be described. The radio base station 19 is mounted on the high-speed mobile unit 1.
Mobile station 7 and a public line network 28 (here, NT
T, NCC line)
You. The radio base station 19 includes the mobile station radio communication unit 17 described above.
And signal transmission / reception of a radio base station radio communication unit 22 described later
It is provided for each predetermined area determined according to the ability
These are all connected to the public network 28.
The radio base station 19 includes a radio base station radio communication unit 22 and a radio base station.
The base station circuit switching unit 25 is provided. The base station radio communication section 22 is a mobile station radio.
Transmission of signals to the communication unit 17 and mobile station wireless communication
For receiving the signal transmitted from the communication unit 17
It is. Specifically, the radio base station radio communication unit 22
At the time of reception, there is no
The call transmitted through the line is transferred to the radio base station circuit switching unit.
25 is provided. On the other hand, there is no
Public times sent via the line base station line switching unit 25
The mobile phone (PHS) 3 carries a call from the line 28.
To the mobile station radio communication unit 17 of the high-speed mobile unit 1
It has the function of connecting through wires. The wireless communication unit 2
2 has a high signal transmission capability and a high coverage area.
It is sufficiently wider than the speed of the fast moving body 1. Therefore, high speed
Even if the moving body 1 moves, the switching process is so frequent that it cannot be processed.
It has been prevented from happening. The radio base station circuit switching section 25 is a radio base station.
Simple mobile phone in high-speed mobile unit 1 via wireless communication unit 22
When a call from (PHS) 3 is received, the corresponding public line
28 is provided with a function of performing connection processing. Conversely, the public
From the side of the line network 28, a simple mobile phone (P
HS) 3, the radio base station radio communication unit 22
It has a function to connect lines. Next, the ground station will be described with reference to FIG.
You. The ground station 35 is used in the public mode.
Mobile phone (PHS) 3 connected to the public line network 28
It is for. The ground station 35 is a simple mobile phone
(PHS) 3 is a predetermined bandwidth determined according to the transmission capacity and the like.
Service area (radius about 15 to 25 km)
It is arranged so that it may overlap well without. Drawing
Although not apparent, the ground station 35 is connected to the public line 28.
Have been. The ground station 35 includes a ground station line switching unit 38,
The station PHS communication unit 36 is provided. The ground station PHS communication unit 36 is a simple portable telephone
(PHS) 3 for connecting to the public network 28
is there. The code recognition provided in the ground station PHS communication unit 36
The recognition unit 37 is transmitted from the portable cellular phone (PHS) 3
A machine that detects the code indicating the use mode from the incoming signal
It has the ability. The code recognition unit 37 detects the detected code
Is output to the circuit switching unit 38. The ground station line switching unit 38 is a simple portable telephone.
(PHS) 3 for connecting to the public line 28.
You. The ground station line switching unit 38 is connected to the portable telephone (P
HS) 3 Only when the use mode is the public mode
Thus, the connection processing is performed. Therefore, high speed
If the mode is the mobile mode, the connection processing is not performed. Use
Is determined by the code detected by the code recognition unit 37.
The ground station line switching unit 38 has a
C is determined by the C-type determination unit 39. Such a configuration
Is used for mobile phones used on mobile
The mobile telephone (PHS) 3 is connected via the ground station 35.
This is in order to prevent spills. Next, the simplified portable telephone according to the present embodiment
The configuration of the (PHS) 3 will be described with reference to FIG. here
Describes only the parts relevant to the present invention,
The description of the parts is omitted. In the portable cellular phone (PHS) 3 of the present embodiment,
Is used as a conventional mode (public mode).
Mode, office / home mode)
"High-speed mobile mode" for use with
You. The “business / home mode” refers to the premises / home mode.
This mode is intended to be used within “Public
Mode ”is intended for use outside of the premises and at home.
Mode. The use mode is specified by the portable telephone.
Using the code input unit 30 included in the (PHS),
A predetermined code that is predetermined for each code
(Special number).
The portable cellular phone (PHS) 3 is used for calling
Not only the phone number of the hand but also the code is transmitted
Has become. In the mobile station 7 and the ground station 35 described above,
Use of the mobile phone (PHS) based on the code
The mode has been determined. The actual code input unit 30 is usually
Dial button. That is,
Before entering the telephone number of the other party,
Enter the code (special number) in the
(Or switching).
However, it is necessary to specify (or switch) the use mode.
The target method is not limited to this. For example,
May be provided. In the claims, "mobile station"
Corresponds to the mobile station 7 in the present embodiment. “Recipient
The “stage” corresponds to the mobile station PHS communication units 11 and 13.
"Code recognition means" refers to the mobile station PHS communication units 11, 1
3. “Code judgment
The means is a code determination provided in the mobile station circuit switching unit 15.
It corresponds to the unit 32. "Communication unit" means mobile station PHS communication
Units 11 and 13, "Circuit switching unit" means a mobile station circuit switching unit.
Equivalent to 15. Next, the operation of the line connection and the connection path will be described.
Will be explained. Here, based on the positional relationship between the caller and the callee,
The explanation will be made separately for each case. [1] From the PHS 3 in the high-speed moving body 1
The outgoing mobile station PHS communication unit 11 to the outside of the high-speed mobile unit 1 is a simple mobile phone (PHS) 3.
When a call signal is received from, the code in the call signal
And informs the mobile station circuit switching unit 15 of this. Move
The office line switching unit 15 determines, based on the detected code,
The usage mode of the mobile phone (PHS) 3 is moving at high speed
It is determined whether the mode is the physical mode. As a result of the judgment,
If the mode is for the high speed mobile unit,
The unit 15 and the other units cooperate with each other to make the simplified portable telephone (P
HS) 3 is performed. As a result, shown in FIG.
[Simplified mobile phone (PHS) 3 on high-speed mobile 1
--- Mobile station PHS communication units 11, 13--Mobile station circuit switching
Unit 15--mobile station radio communication unit 17--radio in the area
Base station wireless communication unit 22 --- wireless base station circuit switching unit 25-
-Public line 28-General telephone 29]
Will be connected. The general telephone 29 shown in the figure
Is a telephone connected to the public line.
Includes stories. As shown in FIG. 2, a simple portable telephone (PH
S) When 3 is used in the high-speed moving body 1,
Also, the transmission signal exists near the high-speed mobile unit 1.
It may be received by the ground station 35. However,
The upper station 35 also performs processing such as code detection similar to that of the mobile station 7.
The mobile phone (PHS) 3 moves at high speed.
It is determined that the mode is the physical mode. as a result,
The ground station 35 communicates with the portable cellular phone (PHS) 3.
No connection processing is performed. That such processing is performed
Then, the high-speed mobile unit 1 with the portable cellular phone (PHS) 3 stopped
When used in
There is no connection with the ground station 35. In addition, high
The mobile phone (PHS) 3 in the fast moving body and the ground station 35
Are directly connected without going through the mobile station 7 or the like.
When the high-speed mobile unit 1 starts moving, the line is disconnected.
There is a possibility. [2] From the PHS in the high-speed moving body 1
Outgoing calls to other PHSs in high-speed mobile unit 1 In the same way as when there is a call to the outside of high-speed mobile unit 1
The portable cellular phone (PHS) 3 is in a high-speed mobile mode.
Only when the mobile station 7 is connected, the mobile station 7 starts the connection processing. Connection partner
Mobile phone (PHS) 3 is located in the high-speed mobile unit 1
If the mobile station circuit switching unit 15 is
Connect to the connection partner via the S communication units 11 and 13
You. The path of the line connection in this case is shown in FIG. Note that the distance between the portable cellular phones (PHS) 3 is
If the separation is short, the mobile station 7 (or the ground station 35)
Transceive a simple mobile phone (PHS) 3 without intervention
It can also be used like a server. [3] High-speed moving from outside the high-speed moving body 1
Outgoing call to PHS in moving body 1 As shown in FIG.
Talk 29 --- Public circuit 28--Wireless base station circuit switching unit 25
--- Wireless base station wireless communication section 22--Simplified mobile phone
(PHS) 3 mobile station radio communication
Communication unit 17-Mobile station circuit switching unit 15-Mobile station PHS communication
Shinbu 11,13 --- Simplified mobile phone (PHS) 3]
The connection is made. Calls are made using a simple portable telephone (PHS).
In such a case, the use mode is set to the public mode.
The ground station PHS communication unit 36 is a portable cellular phone (PHS) 3
To detect the code in the outgoing signal. Ground station circuit switching unit 3
8 indicates that the use mode of the portable cellular phone (PHS) is public.
Mode is determined based on the detected code.
Judgment. If the result of the determination is that the mode is for public use
Is connected to a public telephone line 28. After this
Is connected through the same route as shown in FIG.
Will be. Using a simple portable telephone (PHS) 3 on the ground
Even if there is a high-speed moving object 1 nearby
In that case, the mobile stations 7 and 8 also have the simple portable telephone (PHS).
3 outgoing signals may be received. To mobile stations 7 and 8
In this case, similar processing such as code detection is performed.
Cellular phone (PHS) is determined to be in public mode
Will be. As a result, the mobile stations 7 and 8
No connection processing with the mobile phone (PHS) is performed. like this
Mobile phone (PHS) 3 by performing
High-speed movement when used near the high-speed moving object 1 in the car
Being connected to the mobile station 7 mounted on the body 1
(See FIG. 2). In addition, simple carrying outside the high-speed moving body 1
The mobile telephone 7 is connected to the ground station 35,
Connected directly without going through base station 19 etc.
When the high-speed mobile unit 1 starts moving, the line is disconnected.
There is a possibility. Next, the mobile station PHS communication units 11, 13 and
And the processing logic of the mobile station circuit switching unit 15 using FIG.
explain. Code recognition of mobile station PHS communication units 11 and 13
The knowledge section 31 extracts the simple portable telephone (P
HS), a code indicating the use mode is detected (step 5).
0), the code is transmitted to the mobile station circuit switching unit 15
(Step 52). The mobile station circuit switching unit 15
It is determined whether or not there is room (step 54). Judgment
As a result, if there is room in the line,
move on. In step 56, the mobile station circuit switching unit 15
The code determination unit 32 of the code
The mobile phone (PHS) 3 operates at high speed based on the
It is determined whether or not the mode is for the mobile object (step 5).
6). As a result, if the mode is for high-speed moving objects,
Performs a line connection process (step 58). As a result of the determination in step 54,
If there is not enough time,
If the mode is not the high-speed mobile mode,
Proceeding to 60, a busy sound is output and the process ends. Ground station PHS communication unit 36, ground station line switching
The processing logic of the unit 38 is basically the same as that shown in FIG.
Is the same as However, in step 56, the public
Mode, and if the mode is public,
Only in such a case, the process proceeds to step 58. [0057] A simple mobile phone (PH
S), when the call is made from the mobile phone (PHS)
Table 2 shows the PHS communication units connected to. [Table 2] ：: A state in which a line can be connected X: A state in which a line cannot be connected or a line is not connected △: There is a possibility that a line is connected when the high-speed moving body is stopped or the like.
However, if you start moving, the line will be disconnected even during a call.
Is a system with the functions of the present invention, and the “conventional system” is
It has no function. "Invention operation" is
This is an operation that performs a switchover process.
This is an operation in which no moving object mode is provided (not used).
"Inventive operation" in the "conventional system"
Mode can be switched using the
(When mode switching is possible). Note that the mobile station PHS communication unit has
Is a high-speed mobile station
It is shown assuming a case where it is mounted on a moving body. In Table 2, the operation of a simple portable telephone (PHS)
It is necessary to eliminate "△" in order to improve the convenience.
The description is based on the assumption that the conventional method of the mobile station PHS communication unit is used.
Do not use conventional mobile phone (PHS) on-board
(In other words, the mode for the high-speed moving object of the present invention is provided.
That is, “△” can be eliminated. According to the embodiment described above, the mobile station,
By installing a wireless base station, a simple mobile phone (PHS)
Can be connected to a terrestrial public network via a wireless telephone line. Further, the “high”
The “mode for high-speed moving object” provides easy
Mobile phone (PHS) erroneously communicates with mobile station on high-speed mobile
It is possible to prevent a situation in which connection is made. Ma
Conversely, a simple portable phone used in a stopped high-speed moving body
The talk (PHS) is not connected to the local station. Present
There are already multiple uses for existing portable mobile phones (PHS)
Mode (office / home mode / public mode)
This is switched and used depending on the use environment.
Therefore, when introducing the “high-speed mobile mode”,
Change the configuration of a simple mobile phone (PHS)
No need. In introducing the present invention,
There is no confusion for the user about the usage. As described above, according to the present invention, a high
Simple mobile phones (PHS) can be used even in fast moving vehicles
I will be able to. Specifically, the following communication is possible.・ Simple mobile phone (PHS) in high-speed moving body
--- Public circuit on the ground / Simplified mobile phone (PHS) in high-speed mobile --- High speed
Other mobile phones (PHS) in mobiles Also, dedicated mode for use in high-speed mobiles
By installing a simple mobile phone (PH
S) is incorrectly connected to a mobile station on a high-speed mobile
Not even. Conversely, if you are using
Mobile phone (PHS) is accidentally connected to a ground station
It doesn't even happen. The user can use a mobile phone, a car phone, etc.
It is not necessary to properly use the mobile communication. Therefore, multiple
Eliminates the need to have different types of telephone terminals and uses mobile communications
User convenience can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing an outline of a system according to an embodiment of the present invention. FIG. 2 is a diagram showing an internal configuration of a mobile station 7 and a ground station 35 and mode switching when a simple portable telephone (PHS) 3 is used inside and outside the high-speed mobile unit 1; FIG. 3 is a diagram showing a connection form between a portable cellular phone (PHS) 3 in the high-speed mobile unit 1 and a public line 28 on the ground. FIG. 4 shows a simplified portable telephone (PH) in the high-speed moving body 1.
S) It is a figure which shows the connection form of three. FIG. 5 is a flowchart showing the processing logic of the mobile station PHS communication units 11 and 13 and the mobile station circuit switching unit 15; [Description of Signs] 1: High-speed mobile unit, 3: Simple mobile phone (PHS), 7: Mobile station, 11: Mobile station PHS communication unit, 15: Mobile station circuit switching unit, 17: Mobile station wireless communication unit, 19 : Wireless base station, 2
2: wireless base station wireless communication unit, 25: wireless base station circuit switching unit, 28: public line network, 29: general telephone, 30: code input unit, 31: code recognition unit, 32: code determination unit, 35 : Ground station, 36: Ground station PHS communication unit, 3
7: code recognition unit, 38: ground station line switching unit, 39: code determination unit

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-4-335723 (JP, A) JP-A-5-14270 (JP, A) JP-A-6-152511 (JP, A) JP-A 8- 8801 (JP, A) Special Table Hei 6-503221 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) H04B ^7/ 24-7/26 H04Q ⁷ /00-7/38

Claims (1)

(57) [Claims] [Claim 1] A simple mobile phone on a moving body and the mobile phone
A wireless base station installed outside the body and connected to the public line network
A communication network mounted on a mobile unit for connection
In the line connection device, receiving means for receiving a signal transmitted from the portable cellular phone, and the signal is transmitted from the signals received by the receiving means .
Preliminary agreement to show usage status of mobile phones
Determining a code recognition means, the detected contents of the code of the code recognition means for detecting the order was Code
The code is determined by the code determining unit and the code is determined by the code determining unit.
Above only if it was meant to be used within
A line that performs line connection processing with a line base station through a wireless line
And a switching connection means .