JP2001045558A - Mobile communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To always attain communication in mobile communication for a mobile body moving on a prescribed orbit and to attain high speed data communication in mobile communication in public transportation facilities such as railways while inhibiting consecutive voice communication. SOLUTION: In the case of conducting data communication by using a mobile terminal 280 in a mobile body 20 moving on a prescribed orbit in the mobile communication system, communication data are temporarily stored in a buffer 230 connected to a base station 220 in the mobile body. When the mobile body 20 enters a communication available area 5, a base station 150 makes communication with the base station 220 in the mobile body and data in the buffer 230 are transferred to a buffer 152 connected to the base station 150. Transmission data from the terminal 280 transferred to the base station 150 are sequentially read from the buffer 152 and sent to a transmission destination via an exchange station 100 of a host station 10. Data received by the terminal 280 are temporarily stored in a buffer 153 of the base station 150 and when the mobile body 20 enters an area 5, the base station 150 makes communication with the base station 220 in the mobile body.

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, and more particularly to a mobile communication system capable of performing data communication in a moving object such as a railway or a subway moving at a high speed.

[0002]

2. Description of the Related Art As an example of this type of mobile communication system,
There is a technique described in JP-A-9-327057. An outline of such a system configuration is shown in FIG. Fig. 58
In the mobile communication system composed of the mobile communication network system (S1) and the railway management network system (S2) as shown in FIG. 1, the terminal PS (S10) of the microcell system performs communication inside the train S200. The location information of the terminal is stored in the in-train radio base station control station CSC (S30) and the location information database HLR (S60), and the location database (S70) stores a plurality of radio base stations installed around the railway network. The base station BS stores the position information of each of the stations BS (S40), and when there is an incoming call at the mobile communication switching center MSC (S50), checks the position information of each database and calls the train in which the terminal PS exists. Is selected from the radio base station BS to the radio base station control station C in the train.
SC and micro base station radio base station CS
An incoming call is made to the terminal PS via (S20).

In FIG. 58, S45a and S45b are radio base station control units BSC, S80 is a train operation management system having a train operation management table S81, and S3
00 indicates the track of the train. For details of this prior art, refer to the above-mentioned Japanese Patent Application Laid-Open No. 9-327057.

[0004]

The first problem is that there are places where data communication is not possible in mobile communication, and there are areas where radio waves of the mobile do not reach. There are areas where the number of other base stations such as tunnels and tunnels is small and cells cannot be covered. It also applies when the line is congested. The reason is that radio waves are cut off in subways and tunnels. Also, even on land where the number of base stations is small and cells cannot be covered, data communication is not possible because radio waves do not reach. Also, when the line is congested,
Even in a range where the radio wave can reach, the base station cannot transmit and receive. As a countermeasure for this, it is necessary to install many new base stations. However, installing new base stations is costly and it is very difficult to cover all of them.

[0005] A second problem is that communication may be disconnected when passing through the radio wave interruption section of the first problem. The reason is due to the line connection method. This is because the line connection system is disconnected when the railway enters a tunnel or the like, and when the line is disconnected, the connection must be re-established from the beginning, and the line quality is degraded.

A third problem is that it is not suitable for data communication during high-speed running. The reason is that the channel switching time is long, the transmission / reception amount of data itself is reduced, and the communication efficiency is deteriorated.

An object of the present invention is to provide a mobile communication system capable of always performing data communication in mobile communication operating on a fixed track, and specifically, the number of subways, tunnels, and base stations. Is to provide services even in areas where cell coverage is low and the line is congested, so that more people can receive services in more areas. is there.

[0008]

According to the present invention, a mobile station including a base station in a mobile unit installed in the mobile unit for carrying out data communication with a portable terminal brought into the mobile unit operating on a fixed track. A mobile communication system is provided, which is provided in the mobile base station and temporarily stores communication data with the mobile terminal.

[0009] The storage means has a transmission buffer for temporarily storing data transmitted from the portable terminal,
The mobile terminal further includes a reception buffer for temporarily storing incoming data from the outside of the mobile body to the portable terminal.

[0010] Further, it is characterized in that it includes a plurality of extra-mobile base stations installed along the track and having a communicable area. Each of the extra-mobile base stations has storage means for temporarily storing communication data with the intra-mobile base station. The storage means includes a transmission buffer for temporarily storing data transmitted from the mobile base station, and a reception buffer for temporarily storing incoming data to the mobile base station.

[0011] The present invention is further characterized in that it includes an upper station which is connected to all of the extra-mobile base stations, performs communication and control of the extra-mobile base stations, and connects to a public data network. Then, when the mobile body enters a communicable area of the external base station, data communication is performed between the mobile base station and the storage means of the external base station.

[0012] The high-order station includes an exchange unit connected to the public data network, an operation management unit for managing the operation of the mobile unit, a position information database storing position information of the extra-mobile base station, A user information database for storing user information of the mobile terminal brought into the mobile object,
It is characterized by including a control means for determining and controlling the extra-mobile base station that should perform the data communication by the operation management means, and the control means, the extra-mobile base station having received the transmission data from the mobile body, the When transmitting this data to the upper station, the location information is searched by the location information database based on the originating address, and the location information and the unique number of the mobile unit added by the mobile base station in the mobile unit, It is characterized in that the position of the moving body is recognized.

Also, a priority bit for determining the priority of a base station used by the portable terminal is added to transmission information from the base station.
A base station used by the mobile terminal is distinguished from the mobile base station or another base station.

Further, the communication between the mobile base station and the portable terminal is characterized by using weak radio waves having no influence on the outside of the mobile body. A different frequency is assigned to each time.

[0015] The communication antenna of the moving object is attached to the frontmost portion and the rearmost portion of the moving object, wherein the moving object is a subway vehicle, and the extra-mobile base station is located on the premises of a subway station. It is characterized by being installed in.

The operation of the present invention will be described. An area in which no base station outside the mobile exists by providing a mobile base station in the mobile operating a fixed orbit, connecting a buffer to the mobile base station, and temporarily storing communication data in the buffer. In this case, data communication from the mobile terminal can be performed, so that it is not necessary to increase the number of base stations outside the mobile body. A buffer is also provided at the base station outside the mobile unit, and by temporarily storing the communication data in the buffer, it is possible to receive data received by the mobile terminal existing in the mobile unit even in an area where the mobile unit cannot communicate. it can.

[0017] Since the moving body moves on a fixed track and the position of the moving body can be easily recognized by a system outside the moving body, the position registration of the moving body can be performed by configuring the moving body operation management system outside the moving body. It only needs to be performed at the time of starting the mobile system, that is, at the start of the operation of the mobile body, and there is no need to perform location registration at the time of wireless communication thereafter.

When a mobile terminal in a mobile uses a base station, priorities are determined for each of the base station in the mobile and the base station outside the mobile, and the mobile terminal has a function of determining the priority. Thus, it is possible to prevent the portable terminal inside the moving body from using the base station outside the moving body and the data communication from being interrupted on the way.

[0019]

Next, the configuration of an embodiment of the present invention will be described with reference to the drawings. Referring to FIG. 1, the configuration of the present invention includes an upper station 10 connected to a public data network,
A plurality of base stations BSa15, BSb1 connected to it
6, a BSd 17 and a mobile (train) MSR 20 operating on a fixed track 1. Base station BSa1
The BS5, BSb16, and BSd17 are installed along the trajectory 1, but are particularly installed at a stop point or a passing point of the mobile unit MSR20. The upper station 10 controls and manages each of these base stations and manages the mobile unit.

In this embodiment, for convenience, the base station BSa1
5 is set as the operation start point of the mobile unit, and the base station BSd17
Is the operation end point of the moving object. Base station BSa1
The communicable areas 5, 16, and 17 are cells 5, 6, and 7, and the other areas are non-communicable areas. That is, the cells need not be in contact. In the past, data communication could not be performed outside the cell, but in the present invention, data communication is always performed between the transmitting side and the receiving side by temporarily buffering communication data using a buffer. Is possible.

In the present invention, there are two buffering positions. One buffering position is shown in FIG.
Are performed in each of the base stations 15 to 17 shown in FIG. FIG. 7C shows a detailed configuration of the base station BSa15 in FIG. Referring to FIG. 7C, the base station BSa15
Base station body (hereinafter referred to as base station) BSA 150
An antenna ANT1A151 for allowing the base station BSA150 to communicate with the mobile MSR20;
It comprises a transmission buffer SBA 152 connected to the A150 and storing data transmitted from the mobile MSR20, and a reception buffer RBA153 connected to the base station BSA150 and storing data to be received by the mobile MSR20.

Another buffering position of the present invention is performed in the mobile MSR 20 in FIG.
FIG. 7B shows a detailed configuration of the mobile MSR 20. Referring to FIG. 7 (B), mobile MSR 20 includes a mobile terminal MS 280 having a function of carrying data by a user and having a function of performing data communication, a mobile base station SBS 220 performing communication with terminal MS 280, and a mobile base station SBS 2.
20, a transmission buffer SBB 230 for storing transmission data from the terminal MS 280, and a mobile base station S
A reception buffer RBB 240 connected to the BS 220 and storing received data to the terminal MS 280, an antenna SANTA 250 connected to the mobile base station SBS 220 and used for communication with the terminal MS 280, and connected to the mobile base station SBS 220 to move It comprises a location registration database UDB 260 for storing location registration data of the terminal MS 280 existing in the body MSR 20.
The in-mobile base station SBS220 has a function of communicating with the base station BSa15 in FIG. 1, and is provided with an antenna ANTC210 for performing the communication.

Next, the configuration of the upper station 10 is shown in FIG. Referring to FIG. 7A, upper station 10 is connected to a plurality of base stations BSa15 to 17 in FIG. 1 and controls base station control station BSC140 to control them, and is connected to this base station control station BSC140. Exchange MSC 100 having communication function and connected to public data network (not shown)
Connected to the exchange MSC 100 to confirm the current position of the mobile unit MSR 20 in FIG.
A mobile operation management system MSRW11 having a function of confirming a stop point or a passing point where 0 is scheduled to arrive next.
0, a mobile on-board user information database USDB 130 having a function of storing the user information of the terminal MS 280 connected to the exchange MSC 100 and boarding the mobile MSR 20 in FIG. 7 (B) and the code number provided for each mobile MSR 20. And a base station position information database B having a function of storing respective position information of the base stations BSa15 to BS17 connected to the exchange MSC100 and installed at the stopping point or the passing point of the mobile MSR20 in FIG.
SDB120.

Next, the operation of the embodiment of the present invention will be described. In the system of FIG. 1, when a mobile terminal carried by a user boarding in the mobile MSR 20 attempts to perform data communication, it is conventionally possible if the mobile terminal exists in a cell as shown in FIG. 2. As in 3, it was impossible to communicate outside the cell. Therefore, in the present invention, the mobile base station SBS2 is provided in the mobile MSR20.
20 and buffering the transmission data from the portable terminal enables data communication outside the cell as shown in FIGS. Also, base stations BSa15-17
In each of the above, buffering of communication data enables data communication outside the cell even for received data. Thereby, data communication is always possible.

The operation of the system according to the present invention will be described. The operation is divided into two operations, an operation in the mobile MSR and an operation of the external relay system, and the operation of the external relay system is that including the upper station and the base station in FIG. Communication between the mobile MSR and the external relay system is performed wirelessly when the mobile MSR enters a cell that is a communicable area of the base station.

Next, in the system as shown in FIG. 1, a detailed operation at each position when the mobile unit MSR 20 moves will be described. As shown in FIG. 2, the mobile unit MSR20 starts operating, and the antenna provided on the mobile unit first enters the cell 5 which is the communicable area of the base station BSa15 that can perform communication. At this time, the pre-operation position registration is performed. The pre-operation position registration is a sequence performed for the upper station 10 to recognize the position of the mobile MSR 20 in FIG.

By this pre-operation location registration, the upper station 10 is able to communicate with the mobile terminal MSR 20 on which the portable terminal to be communicated is boarding.
The mobile station MSR 20 can recognize the location of the mobile MSR 20 and receive data from the public data network. The location registration before operation will be described in detail. The intra-mobile base station SBS2 installed in the mobile MSR 20 shown in FIG.
Reference numeral 20 denotes a mobile base station when the mobile antenna ANTC 210 first arrives at a point where communication can be performed, that is, when the mobile MSR 20 enters the cell 5 as shown in FIG. The SBS 220 includes an antenna ANTC 210 and an antenna AN shown in FIG.
A location registration request is made to the base station BSA150 via the T1A151.

The location registration sequence at this time will be described with reference to FIG. The base station BSA150 is the control station BS
C140 issues a location registration request 2001, and the control station B
SC 140 issues a location registration request 2 to switching center MSC 100.
002. The switching center MSC100 is a control station BSC14.
0 to the control station BSC140.
Makes an authentication request 2004 to the base station BSA150,
Base station BSA150 has antennas ANT1A160 and A
An authentication request 2005 is issued to the mobile base station SBS220 via the NTC 210.

In response to the authentication request 2005, the in-mobile base station SBS220 transmits the antennas ANTC210 and ANT1.
Authentication response 2006 to base station BSA150 via A151
I do. The base station BSA150 makes an authentication response 2007 to the control station BSC140, and the control station BSC140 makes an authentication response 2008 to the exchange MSC100.

Here, the mobile switching center MSC 100 sends the mobile base station S to the mobile operation management system MSRW 110.
The mobile station MSR code number is detected from the authentication response 2008 transmitted from the BS 220, and the MSR code number registration 2 is performed.
009 is performed. Thereafter, the switching center MSC100 switches to the control station B.
The SC 140 performs a location registration reception 2010, the control station BSC 140 performs a location registration reception 2011 with respect to the base station BSA150, and the base station BSA150 transmits the antenna ANT.
The location registration reception 2012 is performed to the mobile base station SBS220 via the 1A151 and the ANTC210.

Here, the base station BSA150 and the mobile base station SBS220 are always connected. Subsequently, the mobile base station SBS220 makes a BS identification code request 2013 to the base station BSA150 in order to obtain a BS (base station) identification code on the fixed track 1 on which the mobile MSR 20 runs. The base station BSA150 is the control station BSC1.
A BS identification code request 2013 is made to 40. The control station BSC 140 makes a BS identification code request 2013 to the exchange MSC 100. The switching center MSC 100 receiving the BS identification code request 2013 sets the mobile operation management system M
The trajectory data request 2014 of the mobile unit MSR 20 is made to the SRW 110.

On the other hand, the mobile operation management system MS
The RW 110 sends the mobile station MSR2 to the exchange MSC100.
0 orbit data 2015 is output and the exchange MSC 100
Sends the orbit data 2015 to the BS position information database BSDB120 2016, and the mobile MSR20.
All BS identification codes 2017 on the orbit of are obtained. Then, the switching center MSC 100 transmits the BS identification code 2018 to the control station BSC 140, and the control station BSC 140
Transmits the BS identification code 2018 to the base station BSA150, and the base station BSA150 transmits the in-mobile base station SBS2.
A BS identification code 2018 is transmitted to 20.

[0033] This BS identification code 2018 is the mobile unit MS.
When R20 moves from the position of FIG. 3 to the position of FIG.
That is, when the mobile MSR 20 moves from the area where communication is not possible to the area where communication is possible, the mobile MSR 20 is used in a sequence that is performed to identify that the communication of the mobile MSR 20 is possible.

Although the mobile base station SBS220 has a format in which an MSR code number is given in advance as an identification number, the mobile base station SBS220 performs the format given by the mobile operation management system MSRW110 at the time of pre-operation location registration. It is also possible. With this MSR code number,
The mobile operation management system MSRW110 can manage a plurality of mobiles.

The mobiles run on a fixed track 1 and are managed by the mobile operation management system, so that the position of the mobile MSR 20 can always be confirmed. Therefore, it is not necessary to register the position of the moving body during the operation. As shown in FIG. 2, when the mobile MSR 20 enters the cell 5, the mobile MSR 20 shown in FIG.
A case in which the terminal MS280 in the terminal performs location registration will be described. Here, the position registration is a sequence performed by the mobile base station SBS220 to recognize the position of the mobile terminal MS280 in FIG.
Is present in the mobile MSR 20.
00 is a sequence performed for recognition.

With this location registration, switching center MSC 100
Is to call the base station BSA150 at which the mobile MSR 20 on which the terminal MS 280 is to arrive next or when it is called from the public data network to the portable terminal MS 280 to be communicated with. Can be.

A description will be given according to the location registration sequence 1 in FIG. When the power of the terminal MS280 is turned on at the position of FIG.
Antenna SANTA250 that sends out weak radio wave f1 inside
Makes a location registration request 2100 to the intra-mobile base station SBS220, and the intra-mobile base station SBS220 makes an authentication request 2101 to the terminal MS280 via the antenna SANTA250. In response to the authentication request 2101, the terminal MS 280 makes an authentication response 2102 to the mobile base station SBS 220 via the antenna SANTA 250. The mobile base station SBS22 that has received the authentication response 2102
0 registers the user information 2103 in the location registration database UDB 260 and sends the location registration reception 2104 to the terminal MS2.
Perform for 80.

When the mobile unit MSR 20 enters the cell 5 as shown in FIG. 2, location registration data is newly stored in the location registration database UDB 260 shown in FIG. Location registration sequence 2 shown in FIG.
It will be described according to. Here, referring to FIG.
The new location registration of S280 is received, and the user information 2110 registered in the location registration database UDB260.
When the antenna ANTC 210 is in the cell 5, the intra-mobile base station SBS220
10 through the ANT1A151. The base station BSA150 performs user information registration 2112 with the control station BSC140, and the control station BSC140 performs user information registration 2113 with the switching center MSC100.

The exchange MSC 100 stores the user information 21 in the user information database USDB 130 while the mobile is on board.
Register 14. At this time, the MSR code number is added to the user information by the mobile base station SBS220. Here, the MSR code number is information that enables the mobile operation management system MSRW110 to search for the position of the mobile object.

After registering the user information 2114, the switching center MSC
100 performs user information registration reception 2115 with the control station BSC 140, and the control station BSC 140
A user information registration reception 2116 is performed for A150.
The base station BSA150 performs user information registration reception 2117 with the mobile base station SBS220, and the location registration ends.

The operation when the mobile unit MSR 20 has completed the pre-operation position registration and has moved out of the communicable area as shown in FIG. 3 will be described. FIG. 1 shows a case where terminal MS 280 in the moving body shown in FIG. 7B performs location registration when mobile MSR 20 moves out of the communicable area as shown in FIG.
A description will be given in accordance with the location registration sequence 1 of FIG. When the power of the terminal MS280 is turned on at the position shown in FIG. 7B, the terminal MS280 transmits the weak base station S via the antenna SANTA250 for transmitting the weak radio wave f1 in the mobile body.
The location registration request 2100 is made to the BS 220, and the mobile base station SBS220 makes an authentication request 2101 to the terminal MS280 via the antenna SANTA250.
In response to the authentication request 2101, the terminal MS 280 makes an authentication response 2102 to the mobile base station SBS 220 via the antenna SANTA 250. Upon receiving the authentication response 2102, the intra-mobile base station SBS220 transmits the location registration database UD.
User information 2103 is registered in B260, and location registration reception 2104 is performed for terminal MS280.

A transmission sequence when the terminal MS 280 in the mobile unit shown in FIG. 7B performs transmission when the mobile unit MSR 20 moves out of the communicable area as shown in FIG. 3 will be described. Here, the transmission sequence in FIG. 8 is a sequence for performing data transmission from the terminal MS 280 to the public data network, and will be described with reference to the transmission sequence 1 in FIG. When terminal MS 280 performs call setup 2200 at the position shown in FIG.
The mobile base station SBS220 receives this via the NTA 250, and issues an authentication request 2201 to the terminal MS280 via the antenna SANTA250. The terminal MS 280 responds to the authentication request 2201 with the antenna SANTA.
An authentication response 2202 is sent to the in-mobile base station SBS 220 via 250.

After completion of the connection process 2203, the terminal MS280
Is the mobile base station SB via the antenna SANTA250
Data transmission 2204 is performed for S220. At this time, together with the destination information and the caller information from the terminal MS280,
220 stores transmission data in transmission buffer SBB 230
5 When the data transmission is completed, the terminal MS 280 performs disconnection 2206, and the mobile base station SBS 220 performs release 2207. After that, the terminal MS280 releases the connection 2
208 is notified, and the data communication within the moving object ends.

When the mobile MSR 20 moves out of the communicable area as shown in FIG. 3, an incoming sequence when a call is received from the public data network to the terminal MS 280 in the mobile shown in FIG. explain. Here, the terminating sequence is a sequence for receiving data from the public data network to the terminal MS280 in FIG. A description will be given according to the incoming call sequence 1 in FIG.

In FIG. 9, when an incoming call 2300 is made to the exchange MSC 100 from the public data network, the exchange M
SC100 is a user information database U on board a moving object.
The user confirmation 2301 is performed on the SDB 130. The exchange MSC 100 receives the user information 2302 from this database USDB 130 and
280 is present in the mobile MSR 20,
Using the MSR code number recorded together with the user information, the mobile operation management system MSRW110 searches 2303 for the position of the mobile MSR20 where the terminal MS280 is located, and obtains railway arrival station information 2304.

According to the railway station information 2304, the exchange M
SC100 is a BS location information database BSDB120.
, The mobile MSR 20 searches 2305 for a base station with which it can communicate next. And the exchange MSC10
0 is the base station BSB16 from the database BSDB120
0 information 2306 is obtained. In order to make an incoming call to the base station BSB160, an incoming call 2 is made to the control station BSC140.
307 and the control station BSC 140
Incoming call 2308 is made to 0.

The switching center MSC 100 is connected to the control station BS.
C140 issues an authentication request 2309 to the control station BSC.
140 makes an authentication request 2310 to the base station BSB160. Base station BSB16 receiving the authentication request 2310
0 makes an authentication response 2311 to the control station BSC140, and the control station BSC140 makes an authentication response 2312 to the exchange MSC100. After the connection processing 2313 is completed, the base station BSB160 receives data 2314 from the public data network.
I do. The reception data 2314 is the reception data buffer RB
This is stored 2315 in A163.

The operation when the mobile MSR 20 advances into the cell 6 as shown in FIG. 4 will be described. Moving object M as shown in FIG.
When the SR 20 enters the cell 6, the first operation to be performed is the communicable identification. The communicable identification means that a mobile MSR traveling outside a cell cannot communicate with a base station connected to a public data network, but has entered a cell capable of communicating with a base station from outside the cell. Sometimes mobile MSR
This operation is performed to identify whether or not communication between the mobile station and the base station has become possible.

A more detailed description will be given in accordance with the communicable identification sequence shown in FIG. Referring now to FIG. 9, before mobile MSR 20 arrives at cell 6, that is, when communication with the base station is not possible, switching center MSC 100 transmits the M of mobile MSR 20 that is to use base station BSB 160 next.
To notify the SR identification code, the control station BSC 140
Issue the expected arrival MSR identification code 2500
The control station BSC 140 issues a scheduled arrival MSR code 2501 to the base station BSB 160. The base station BSB160 that has received the expected arrival MSR identification code 2501 transmits the BS identification code 25 via the antenna ANT1B161.
Start 02.

Subsequently, when the mobile MSR 20 enters the cell 6, the mobile base station SBS220 receives the BS identification code 2502, and the mobile base station SBS220 transmits the MSR identification code 2503 to the base station BSB160. Base station B that has received MSR identification code 2503
The SB 160 sends M to the in-mobile base station SBS220.
An SR identification code reception 2504 is transmitted. This allows
Communication between the mobile base station SBS220 and the base station BSB160 is enabled.

As shown in FIG. 4, when the mobile MSR 20 advances into the cell 6, the terminal M in the mobile shown in FIG.
FIG. 12A shows a case where the location registration is performed in S280.
A description will be given according to the location registration sequence 1. FIG. 7 (B)
When the power of the terminal MS280 is turned on at the position
S280 is a mobile base station S via an antenna SANTA250 that transmits a weak radio wave f1 in the mobile MSR20.
The location registration request 2100 is made to the BS 220, and the mobile base station SBS220 makes an authentication request 2101 to the terminal MS280 via the antenna SANTA250.

In response to the authentication request 2101, the terminal MS
280 sends an authentication response 2102 to the mobile base station SBS220 via the antenna SANTA250. The mobile base station SBS220 that has received the authentication response 2102 registers the user information 2103 in the location registration database UDB260, and performs location registration acceptance 2104 to the terminal MS280.

When the mobile MSR 20 enters the cell 6 as shown in FIG. 4, new location registration data is stored in the location registration database UDB 260 shown in FIG. A case where the user information is not transmitted to the upper station will be described with reference to a position registration sequence 2 in FIG. Here, referring to FIG. 9, the location registration of the new terminal MS280 is accepted, and the user information 21 registered in the location registration database UDB260 is received.
When the antenna ANTC 210 connected to the mobile base station SBS220 enters the cell 6, the mobile base station SBS220 performs registration 2111 via the antenna ANTC210 and the ANT1B161.

The base station BSB160 is connected to the control station BSC140.
User information registration 2112 for the control station BSC
140 is a user information registration 2 to the exchange MSC 100.
Step 113 is performed. The switching center MSC 100 registers 2114 the user information in the user information database USDB 130 while the mobile is on board. At this time, the MSR code number is added to the user information by the intra-mobile base station SBS220. The MSR code number is information that allows the mobile operation management system MSRW110 to search for the position of the mobile.

After registering the user information 2114, the switching center MSC
100 performs user information registration reception 2115 with the control station BSC 140, and the control station BSC 140
A user information registration reception 2116 is performed for 160. The base station BSB160 performs user information registration reception 2117 with the mobile base station SBS220, and the location registration ends.

When the mobile unit MSR 20 enters the cell 6 as shown in FIG. 4, the terminal M in the mobile unit shown in FIG.
The case where transmission is performed in step S280 will be described with reference to the transmission sequence 1 in FIG. When terminal MS 280 performs call setup 2200 at the position shown in FIG.
The mobile base station SBS220 receives this via the ANTA250, and makes an authentication request 2201 to the terminal MS280 via the antenna SANTA250. The terminal MS 280 responds to the authentication request 2201 with the antenna SANT.
An authentication response 2202 is sent to the mobile base station SBS220 via A250.

After completion of the connection process 2203, the terminal MS280
Is the mobile base station SB via the antenna SANTA250
Data transmission 2204 is performed for S220. At this time,
The transmission data is stored in the transmission buffer SBB230 together with the destination information and the caller information from the terminal MS280.
05. When the data transmission is completed, the terminal MS 280 performs disconnection 2206, and the mobile base station SBS 220 performs release 2207. Thereafter, terminal MS 280 notifies release completion 2208, and the data communication in mobile MSR 20 ends.

When the mobile MSR 20 enters the cell 6 as shown in FIG. 4, when untransmitted transmission data is stored in the transmission buffer SBB 230 in the mobile shown in FIG. Transmission sequence 2 in FIG.
It will be described according to. Here, referring to FIG.
The transmission data transmitted in S280 is transmitted in the transmission buffer SBB2.
30, when the antenna ANTC210 connected to the mobile base station SBS220 enters the cell 6, the mobile base station SBS220 transmits the data in the transmission buffer SBB230 to the antenna ANTC21.
0 and the data is transferred 2220 to the transmission buffer SBA162 connected to the base station BSB160 via the ANT1B161.

When the transfer 2220 is completed, the base station BSB
160 performs call setting 2224 to the control station BSC 140 based on the data in the transmission buffer SBA 162,
Controller BSC 140 performs call setup 2225 for switching center MSC 100. On the other hand, switching center MSC 100 issues authentication request 2226 to control station BSC 140, and control station BSC 140 issues authentication request 2 to base station BSB 160.
227 is performed. In response to this authentication request 2227, the base station BS
B160 makes an authentication response 2228 to the control station BSC140. The control station BSC 140 sends an authentication response 2229 to the exchange MSC 100. After the connection processing 2230 is completed, the base station BSB160 receives the data 2231 from the transmission buffer SBA162 and transmits the data 2231 to the transmission destination of the public data network.
232.

When the mobile unit MSR 20 enters the cell 6 as shown in FIG. 4, the terminal M in the mobile unit shown in FIG.
A case where a call is received from the public data network in S280 will be described with reference to a call reception sequence 1 in FIG. Here, in FIG. 9, when an incoming call 2300 is made to the switching center MSC 100 from the public data network, the switching center MSC 100 performs a user confirmation 2301 to the user information database USDB 130 while on a mobile object.

The exchange MSC 100 stores the database U
Upon receiving the user information 2302 from the SDB 130, the user confirms that the target terminal MS280 is present in the mobile MSR20, and checks the M recorded with the user information.
Mobile operation management system MS using SR code number
Mobile station MS where terminal MS 280 is located by RW 110
The position of R20 is searched 2303 and the train arrival station information 230 is searched.
Get 4. Exchange station MSC based on the railway station information 2304
100 is a mobile unit MS for a database BSDB120.
R20 searches for the next base station with which it can communicate 23
05. Then, the exchange MSC 100 obtains information 2306 of the base station BSB 160 from the database BSDB 120.
Get. In order to make a call to the base station BSB160, a call 2307 is made to the control station BSC140, and the base station BSC140 makes a call 2303 to the control station BSB160.
Perform Step 8.

The switching center MSC 100 is connected to the control station BS.
C140 issues an authentication request 2309 to the control station BSC.
140 makes an authentication request 2310 to the base station BSB160. Base station BSB16 receiving the authentication request 2310
0 makes an authentication response 2311 to the control station BSC140, and the control station BSC140 makes an authentication response 2312 to the exchange MSC100. After the connection processing 2313 is completed, the base station BSB160 receives data 2314 from the public data network.
I do. The received data is stored 2315 in a reception buffer RBA 163 connected to the base station BSB160.

When the mobile MSR 20 enters the cell 6 as shown in FIG. 4, the receiving buffer RBA 16 shown in FIG.
FIG. 14B shows a case where incoming data for terminal MS 280 in mobile MSR 20 is stored in 3
Will be described according to the incoming call sequence 2. Base station BSB1
The reception buffer RBA connected to the base station BSB160 for the mobile base station SBS220 via the antennas ANT1B161 and ANTC210 when the antenna ANTC210 connected to the mobile base station SBS220 enters the communicable area of the ANT1B161.
The data in 163 is transferred 2320 to the reception buffer RBB240 connected to the mobile base station SBS220.

When the data transfer 2320 is completed, the mobile base station SBS 220 transmits the data to the terminal M via the antenna SANTA 250 based on the data in the reception buffer RBB 240.
An incoming call 2323 is made to S280, and an authentication request 2324 is issued.
I do. In response to the authentication request 2324, the terminal MS280 transmits the information via the antenna SANTA250 to the mobile base station SBS.
An authentication response 2325 is sent to 220.

After the connection process 2326 is completed, the in-mobile base station SBS220 receives 2327 the data from the reception buffer RBB240 and sends 2328 the data to the terminal MS280 via the antenna SANTA250. When the data reception 2328 ends, the mobile base station SBS220 performs disconnection 2329, and the terminal MS480 performs release 2330. Thereafter, the mobile base station SBS220 is released 2
331 is notified and the data communication ends.

The operation when the mobile MSR 20 moves out of the communicable area as shown in FIG. 5 will be described. When the terminal MS 280 in the moving body shown in FIG. 7B performs the position registration when the moving body MSR 20 moves out of the communicable area as shown in FIG. 5, the position registration sequence 1 in FIG. Will be described in accordance with When the power of the terminal MS280 is turned on at the position of FIG. 7B, the terminal MS280 transmits an antenna SANTA2 for transmitting a weak radio wave f1 in the moving body.
A request for location registration 2100 is made to the mobile base station SBS220 via 50, and the mobile base station SBS220 makes an authentication request 2101 to the terminal MS280 via the antenna SANTA250.

In response to the authentication request 2101, the terminal MS2
80 sends an authentication response 2102 to the mobile base station SBS220 via the antenna SANTA250. Authentication response 21
02, the mobile base station SBS220 registers the user information in the location registration database UDB260, and performs location registration acceptance 2104 to the terminal MS280.

FIG. 13 shows a case where the terminal MS 280 in the mobile unit shown in FIG. 7B performs transmission when the mobile unit MSR 20 moves out of the communicable area as shown in FIG.
A description will be given according to the transmission sequence 1 in FIG. FIG.
When the terminal MS 280 performs the call setup 2200 at the position (B), the in-mobile base station SBS 220 receives via the antenna SANTA 250 and issues an authentication request 2201 to the terminal MS 280 via the antenna SANTA 250. In response to the authentication request 2201, the terminal MS 280 sends an authentication response 2202 to the mobile base station SBS 220 via the antenna SANTA 250.

After completion of the connection processing 2203, the terminal MS280
Is the mobile base station S via the antenna SANTA250.
Data transmission 2204 is performed to BS 220. At this time, the transmission data is stored in the transmission buffer SBB230 together with the destination information and the caller information from the terminal MS280.
05. When the data transmission is completed, the terminal MS 280 performs disconnection 2206, and the mobile base station SBS 220 performs release 2207. Thereafter, terminal MS 280 notifies release completion 2208, and the data communication in mobile MSR 20 ends.

When the mobile unit MSR 20 moves out of the communicable area as shown in FIG. 5, the terminal MS shown in FIG.
A case where a call is received from the public data network to 280 will be described with reference to a call receiving sequence 1 in FIG. Here, in FIG. 10, when an incoming call 2300 is made to the switching center MSC 100 from the public data network, the switching center MSC 100 performs user confirmation 2301 to the database USDB130. The exchange MSC 100 receives the user information 2302 from the database USDB 130, confirms that the target terminal MS 280 exists in the mobile MSR 20, and uses the MSR code number recorded together with the user information to execute the mobile operation management system MSRW 110 , The position of the mobile unit MSR20 where the terminal MS280 is located is searched 2303, and the train arrival station information 2304 is obtained.

According to the railway station information 2304, the exchange M
The SC 100 searches the database BSDB 120 for a base station with which the mobile MSR 20 can perform next communication 2305. Then, the exchange MSC 100 obtains the information 23 of the base station BSD 170 from the database BSDB120.
06 is obtained. In order to make a call to the base station BSD 170, a call 2307 is made to the control station BSC 140, and the control station BSC 140 makes a call 2308 to the base station BSD 170.

And. The exchange MSC 100 is a control station BS.
C140 issues an authentication request 2309 to the control station BSC.
140 makes an authentication request 2310 to the base station BSD 170. Base station BSD 17 receiving the authentication request 2310
0 makes an authentication response 2311 to the control station BSC140, and the control station BSC140 makes an authentication response 2312 to the exchange MSC100. After the connection processing 2313 is completed, the base station BSD 170 receives data 2314 from the public data network.
I do. The received data is stored 2315 in a receiving buffer RBA 173 connected to the base station BSD 170.

The operation when the mobile MSR 20 has advanced into the cell 7 as shown in FIG. 6 will be described. The first operation performed when the mobile MSR 20 enters the cell 7 is the communicable identification. This communicable identification means that a mobile object traveling outside the cell cannot communicate with a base station connected to the public data network, but has entered into a cell capable of communicating with the base station from outside the cell. This operation is performed to identify whether communication between the mobile unit and the base station has become possible.

A more detailed description will be given in accordance with the communicable identification sequence shown in FIG. Here, referring to FIG.
Before the mobile MSR 20 reaches the cell 7, that is, when it cannot communicate with the base station, the switching center MSC 100 sends the control station to notify the MSR identification code of the mobile MSR 20 that will use the base station BSD 170 next. BSC14
The control station BSC 140 issues a scheduled arrival MSR identification code 2501 to the base station BSD 170 with respect to the base station BSD 170.

The base station BSD 170 that has received the scheduled arrival MSR identification code 2501 receives the antenna ANT1D17.
The transmission of the BS identification code 2502 is started via the communication device 1. Subsequently, when the mobile MSR 20 enters the cell 7, the mobile base station SBS220 receives the BS identification code 2502, and the mobile base station SBS220 becomes the base station B outside the mobile.
The MSR identification code 2503 is transmitted to the SD 170. Base station BSD receiving MSR identification code 2503
170 transmits an MSR identification code reception 2504 to the mobile base station SBS220. This enables communication between the mobile base station SBS220 and the base station BSD170.

When the mobile unit MSR 20 advances into the cell 7 as shown in FIG. 6, the terminal MS in the mobile unit shown in FIG.
The case where the 280 performs location registration will be described with reference to the location registration sequence 1 in FIG. When the terminal MS280 is turned on at the position shown in FIG.
280 is an antenna S for transmitting a weak radio wave f1 in the moving body.
A position registration request 2100 is made to the mobile base station SBS220 via the ANTA 250, and the mobile base station SB
S220 is the terminal MS via the antenna SANTA250.
An authentication request 2101 is made to 280.

In response to the authentication request 2101, the terminal MS2
80 sends an authentication response 2102 to the mobile base station SBS220 via the antenna SANTA250. Authentication response 21
02 receives the user information in the location registration database UDB 260 2103
Then, location registration reception 2104 is performed for terminal MS280.

When the mobile MSR 20 advances into the cell 7 as shown in FIG. 6, location registration data is newly stored in the location registration database UDB 260 shown in FIG. Location registration sequence 2 shown in FIG.
It will be described according to. Here, referring to FIG. 10, location registration of new terminal MS 280 is accepted, and user information 2110 registered in location registration database UDB 260.
When the antenna ANTC 210 connected to the intra-mobile base station SBS220 enters the cell 7, the intra-mobile base station SBS220
User information registration 2111 is performed on the base station BSD 170 via the T1D 171.

The base station BSD 170 is connected to the control station BSC 140
User information registration 2112 for the control station BSC
140 is a user information registration 2 to the exchange MSC 100.
Step 113 is performed. The exchange MSC100 is a database US
The user information is registered 2114 in the DB 130. At this time, the MSR code number is added to the user information by the mobile base station SBS220. The MSR code number is determined by the mobile operation management system MSRW110.
This is information from which the position of the moving object can be searched.

After registering the user information 2114, the switching center MSC
100 performs user information registration acceptance 2115 with the control station BSC 140, and the control station BSC 140
The user information registration reception 2116 is performed for 170. The base station BSD 170 performs the user information registration reception 2117 with the mobile base station SBS 220, and the position registration ends.

When the mobile unit MSR 20 advances into the cell 7 as shown in FIG. 6, the terminal MS in the mobile unit shown in FIG.
A case in which the 280 performs transmission will be described according to the transmission sequence 1 in FIG. When terminal MS 280 performs call setup 2200 at the position shown in FIG.
The mobile base station SBS220 receives the signal via the NTA 250, and the mobile base station SBS220 receives the antenna SAN.
Authentication request 22 to terminal MS 280 via TA 250
Perform 01. The terminal MS28 responds to the authentication request 2201.
0 is the mobile base station S via the antenna SANTA250
An authentication response 2202 is sent to the BS 220.

After the completion of the connection process 2203, the terminal MS280
Is the mobile base station SB via the antenna SANTA250
Data transmission 2204 is performed for S220. At this time, the transmission data is stored in the transmission buffer SBB 230 together with the destination information and the caller information from the terminal MS 280.
5 When the data transmission is completed, the terminal MS 280 performs disconnection 2206, and the mobile base station SBS 220 performs release 2207. After that, the terminal MS 280 completes the release 22
08, and the data communication within the mobile MSR 20 ends.

When the mobile MSR 20 advances into the cell 7 as shown in FIG. 6, the case where untransmitted transmission data is stored in the transmission buffer SBB 230 in the mobile shown in FIG. Transmission sequence 2 in FIG.
It will be described according to. Here, referring to FIG. 10, the transmission data transmitted by terminal MS 280 is stored in transmission buffer SB.
B230 and stored in the mobile base station SBS22.
When the antenna ANTC 210 connected to the antenna 0 enters the cell 7, the mobile base station SBS220 transmits the data in the transmission buffer SBB230 to the antenna ANTC 210.
210 and the base station BSD 170 via the ANT1D 171.
222 to the transmission buffer SBA172 connected to
0. When the transfer 2220 is completed, the base station BSD 17
0 performs call setting 2224 to the control station BSC 140 based on the data in the transmission buffer SBA 172,
SC 140 sets up call 2225 to switching center MSC 100.
I do. In contrast, switching center MSC 100 is
140, an authentication request 2226 is issued to the control station BSC1.
40 makes an authentication request 2227 to the base station BSD 170.

In response to this authentication request 2227, the base station BSD
170 makes an authentication response 2228 to the control station BSC140. The control station BSC 140 sends an authentication response 2229 to the exchange MSC 100. After the connection processing 2230 is completed, the base station BSD 170 receives the data 2231 from the transmission buffer SBA 172 and transmits the data to the transmission destination of the public data network.
32.

When the mobile MSR 20 has advanced into the cell 7 as shown in FIG. 6, the terminal MS in the mobile shown in FIG.
A case where a call is received from the public data network to 280 will be described with reference to a call receiving sequence 1 in FIG. Here, when an incoming call 2300 is made to the exchange MSC 100 from the public data network in FIG.
The SC 100 performs a user confirmation 2301 on the database USDB130. The exchange MSC 100 receives the user information 2302 from the database USDB 130, confirms that the target terminal MS 280 exists in the mobile MSR 20, and uses the MSR code number recorded together with the user information to execute the mobile operation management system MSRW 110 The position of the mobile MSR 20 where the terminal MS 280 is located is searched 2303 and the train arrival station information 2 is retrieved.
Obtain 304.

The exchange station M is obtained from the railway station information 2304.
The SC 100 searches the database BSDB 120 for a base station with which the mobile MSR 20 can perform next communication 2305. Then, the exchange MSC 100 obtains the information 23 of the base station BSD 170 from the database BSDB120.
06 is obtained. An incoming call 2307 is made to the control station BSC 140 to make an incoming call to the base station BSD 170,
The control station BSC 140 calls the base station BSD 170
308 is performed. The switching center MSC 100 is connected to the control station BS.
C140 issues an authentication request 2309 to the control station BSC.
140 makes an authentication request 2310 to the base station BSD 170.

Base station BS having received authentication request 2310
D170 sends an authentication response 2311 to the exchange BSC140.
The control station BSC 140 sends an authentication response 2312 to the exchange MSC 100. After the connection processing 2313 ends,
The base station BSD 170 receives data 23 from the public data network.
Perform 14 The received data is stored 2315 in a reception buffer RBA 173 connected to the base station BSD 170.

When the mobile unit MSR 20 advances into the cell 7 as shown in FIG. 6, the reception buffer RBA1 shown in FIG.
The case where the incoming data for terminal MS280 in the moving object is stored in 73 will be described with reference to the incoming call sequence 2 in FIG. The base station BSD 170 is an antenna AN connected to the mobile base station SBS220.
When the TC 210 enters the communicable area of the antenna ANT1D171, the receiving buffer RB connected to the base station BSD170 to the mobile in-base station SBS220 via the antenna ANT1D171 and the ANTC210.
Transfer data in A173 to receiving buffer RBB240 connected to mobile base station SBS220 2320
I do.

When the data transfer 2320 is completed, the mobile base station SBS 220 makes a call 2323 to the terminal MS 280 via the antenna SANTA 250 based on the data in the reception buffer RBB 240, and issues an authentication request 232.
Perform 4. In response to the authentication request 2324, the terminal MS28
0 is the mobile base station S via the antenna SANTA250
An authentication response 2325 is sent to the BS 220.

After the connection process 2326, the mobile base station SBS220 receives the data from the receiving buffer RBB240 2327 and sends the data to the terminal MS280 via the antenna SANTA250 2328. When the data reception 2328 is completed, the mobile base station SBS220
Performs disconnection 2329, and terminal MS480 releases 2330.
I do. Thereafter, the mobile base station SBS220 notifies the completion of release 2331, and the data communication ends.

The operation end position registration release sequence when all operations of the mobile unit MSR 20 are completed as shown in FIG. 6 will be described. The operation end position registration release sequence is a sequence performed for the upper station 10 when the mobile MSR 20 ends the operation in FIG. By this operation end position registration release sequence, the upper station 10 recognizes that the mobile MSR 20 stops the function of performing communication and recognizes the mobile MSR 20 existing in the upper station 10.
Delete the location registration contents related to.

Description will be made in accordance with the position registration release sequence shown in FIG. In FIG. 10, when the mobile unit MSR 20 has completed the operation, an operation end position registration release request is issued. The operation end position registration will be described in detail. The base station SBS220 installed in the mobile MSR 20 shown in FIG.
At the end of operation, antennas ANTC210 and ANT1
A location registration release request 2400 is made to the base station BSD 170 via D171.

Referring to the operation end position registration release sequence in FIG. 15, the base station BSD 170
0 to the control station BS.
C140 issues a location registration release request 2402 to switching center MSC100. The exchange MSC100 is a control station BSC1.
An authentication request 2403 is made to the control station BSC14.
0 makes an authentication request 2404 to the base station BSD 170, and the base station BSD 170 transmits the mobile base station SBS220 via the antennas ANT1D170 and ANTC210.
, An authentication request 2405 is made.

In response to the authentication request 2405, the in-mobile base station SBS220 transmits the antennas ANTC210 and ANT1.
Authentication response 2406 to base station BSD 170 via D171
I do. The base station BSD 170 sends an authentication response 2407 to the control station BSC 140, and the control station BSC 140 sends an authentication response 2408 to the exchange MSC 100. Here, the switching center MSC100 is a mobile operation management system MS.
The MSR code number is detected from the authentication response transmitted from the mobile base station SBS220 to the RW110,
An SR code number registration cancellation 2409 is performed.

Thereafter, the switching center MSC 100 sets the control station BSC
The control station BSC 140 performs a position registration release reception 2411 on the base station BSD 170, and the base station BSD 170 transmits the antenna A
A location registration release acceptance 2412 is made to the in-mobile base station SBS220 via the NT1D171 and the ANTC210.

[0096]

Next, a first embodiment of the present invention will be described. This embodiment is intended for a subway vehicle as a moving object. First, to briefly describe the present embodiment, a subway is a moving object that operates underground, and since radio waves do not reach the underground, it is impossible to perform data communication using a portable terminal in a subway car. there were. In addition, a portable terminal using a microcell system such as a PHS can communicate within a subway station premises, but cannot communicate when boarding a subway.

Therefore, a base station is installed in a subway and a buffer for storing communication data is connected to the base station so that the base station can be used in a subway vehicle. A base station is also installed in the subway station yard, and a buffer for storing communication data is connected to the base station. The mobile terminal communicates with the base station in the subway vehicle, and the data is stored in a buffer connected to the base station. Data received from the outside of the base station to the portable terminal is stored in a buffer connected to the base station connected inside the station. Then, when the subway vehicle enters the station yard, the base station in the subway vehicle communicates with the base station in the station yard to transfer the data in the respective buffers. As a result, data communication can always be performed even in a subway train.

Next, the configuration of this embodiment will be described in detail. Referring to FIG. 17, the configuration of the embodiment of the present invention operates on an upper station 30 connected to a public data network, a plurality of base stations BSa35, BSb36, BSd37 connected thereto, and a fixed track 41. Subway vehicle MSR as a mobile
40. Base stations BSa35, BSb36,
The BSd 37 is installed in a station yard which is a stop point or a passing point of the MSR 40.
Control and management of BSb36, BSd37 and MSR4
0 is managed.

In this embodiment, for convenience, the position of the BSa 35 is set as the operation start point of the MSR 40, and the position of the BSd 37 is set as the operation end point. The communicable areas of the BSa 35 to 37 are the cells 34, 38 and 39, and the other areas are non-communicable areas. Referring to FIG. 18, the upper station 30
Is the switching center MSC300 and the railway operation management system MSRW
310 and a base station location information database BSDB320
And the user information database USDB33 while on the train
0 and a control station BSC340.

The base station BSa35 is a base station main body (hereinafter, referred to as a base station base station BSa35).
This is called a base station) BSA350, antenna ANT
1A 351, a transmission buffer SBA 352 and a reception buffer RBA 353 connected to the BSA 350. The mobile unit (MSR) 40 is a base station S in a subway car.
BS420, transmission buffer SBB430 and reception buffer RBB440, and antenna SANTA450
, A location registration database UDB460, a mobile antenna ANTC410, and a mobile terminal MS480.

Referring to FIG. 19, base station BSb36 includes a base station (hereinafter, referred to as a base station) BSB360,
Antenna ANT1B361, transmission buffer SBA362 and reception buffer RB connected to BSB360
A363. Referring to FIG. 20, a base station BSd37 includes a base station body (hereinafter, referred to as a base station) BSD370, an antenna ANT1D371, and a base station BSd37.
The transmission buffer SBA 372 and the reception buffer RBA 373 are connected to the SD 370.

Referring to FIG. 18, terminal MS480 carried by the user has a function of performing data communication, and communicates with antenna SANTA450 for transmitting and receiving weak radio waves. The in-vehicle base station SBS420 corresponds to the base station. The transmission buffer SBB430 connected to the in-vehicle base station SBS420 is a buffer for storing data transmitted by the terminal MS480 in the subway vehicle MSR40. The reception buffer RBB440 is a buffer for storing data received by the terminal MS480.

The location registration database UDB 460 is connected to the mobile base station BS 420 and has a function of storing location registration data of the terminal MS 480 existing in the vehicle MSR 40. Also, the mobile base station SBS420 has a function for the vehicle MSR40 to communicate with the base station BSA350 installed in the station yard that is the stop point or the passing point, and the antenna ANTC410 is connected to the mobile base station SB.
S420 is an antenna for performing communication with the base station BSA350. The base station BSA350 is connected to the vehicle MSR40.
Antenna A installed at, for example, a platform in a station yard, which is a stop point or a passing point, and connected to base station BSA350
It has a function of communicating with the in-mobile base station SBS420 via the NT1A350.

The transmission buffer SBA 352 connected to the base station BSA 350 is a buffer for storing data transmitted by the terminal MS 480 in the vehicle MSR 40, and the reception buffer RBA 353
It is a buffer for storing data sent to terminal MS480 in vehicle MSR40.

The base station BSA 350 is controlled by the control station BSC 340.
And has a function of communicating with the control station BSC340. The control station BSC 340 is a base station B installed in a plurality of homes of the vehicle MSR 40 as shown in FIG.
It is connected to Sa35, BSb36, and BSd37, and has a function of controlling and communicating with these base stations.

The control station BSC340 is connected to the exchange MSC3.
00 and has a function of communicating with the switching center MSC300. The exchange MSC 300 is connected to the control station BSC 340 and has a function of communicating with the control station BSC 340. When a call is received to terminal MS480, switching center MSC300 transmits user information database USDB330 and BS location information database BSDB while the vehicle is on board.
Based on the information with the base station 320, the vehicle MSR 40 on which the terminal MS 480 is boarding is sent to the base station BSA 350 that is scheduled to arrive next.
Has the function of selecting the position of

The mobile operation management system MSRW 310 is connected to the exchange MSC 300, and the current vehicle MSR 40
And the platform at which the vehicle MSR 40 is to arrive next. The mobile user information database USDB330 is connected to the exchange MSC300, and the user information of the terminal MS480 boarding the vehicle MSR40 and the vehicle MSR40.
It has a function of storing a separately provided code number. B
S location information database BSDB320 is exchange MSC3
00 and has a function of storing position information of the base station BSA350 installed in the station premises of the vehicle MSR40.

Next, an embodiment of the present invention in a subway will be described in detail with reference to FIGS. Regarding the position registration before railway operation according to the present invention, FIGS.
A description will be given of the pre-operation position registration sequence shown in FIG. At the start of operation of the subway vehicle, that is, when the subway vehicle MSR40 is at the position of the point A in FIG. 17, the vehicle MSR40 performs pre-operation position registration. The operation of the subway is determined by the time, which is the mobile operation management system MS shown in FIG.
Because it is managed by the RW 310, the vehicle MSR
The position of 40 can always be confirmed. Therefore, there is no need for position registration during operation.

Referring to FIG. 18 for describing the detailed operation, vehicle MSR 40 at point A in FIG.
Starts operating, the mobile base station SBS420 installed in the subway car transmits the antennas ANTC410 and A
A location registration request 3500 is made to the base station BSA 350 via the NT1A 351. Base station BSA 350 makes a location registration request 3501 to control station BSC 340, and control station BSC 340 makes a location registration request 3502 to switching center MSC 300.

The exchange MSC 300 is connected to the control station BSC 340.
, The control station BSC 340 makes an authentication request 3504 to the base station BSA 350, and the base station BSA 350 sends the authentication request 3503 to the antenna ANT1A 360 and the AN.
An authentication request 3505 is made to the mobile base station SBS420 via the TC410. In response to the authentication request 3505, the intra-mobile base station SBS420 transmits the antenna ANTC410.
Then, an authentication response 3506 is sent to the base station BSA 350 via the ANT 1A 360. The base station BSA350 is the control station BS
C340 sends an authentication response 3507 to the control station BSC.
340 sends an authentication response 3508 to the switching center MSC300.

Here, the switching center MSC 300 sends the mobile base station S to the mobile operation management system MSRW 310.
The MSR code number is detected from the authentication response transmitted from the BS 420, and the MSR code number registration 3509 is performed.
Thereafter, the switching center MSC300 performs location registration reception 3510 with the control station BSC340, the control station BSC340 performs location registration reception 3511 with the base station BSA350, and the base station BSA350 transmits the mobile base station SBS420 via the antennas ANT1A360 and ANTC410.
The location registration reception 3512 is performed for.

Here, the base station BSA350 and the mobile base station SBS420 are always in a connected state. Subsequently, the in-mobile base station SBS420 obtains a BS identification code on a certain track on which the subway vehicle MSR40 runs,
BS identification code request 3513 to base station BSA 350
I do. The base station BSA 350 makes a BS identification code request 3513 to the control station BSC 340. Control station BSC3
Reference numeral 40 denotes a BS identification code request 3 to the exchange MSC 300.
513 is performed. The switching center MSC300 that has received the BS identification code request 3513 becomes a mobile operation management system MSRW3.
A request 3510 for the trajectory data of the vehicle MSR 40 is made.

On the other hand, the mobile operation management system MS
RW 310 is connected to exchange MSC 300 by vehicle MSR 40.
The exchange MSC 300 sends the orbit data 3516 to the database BSDB 320 and obtains all the BS identification codes 3517 on the orbit of the vehicle MSR 40. The exchange MSC 300 transmits a BS identification code 3518 to the control station BSC 340, and the control station BSC 340 transmits the BS identification code to the base station BSA 350.
The base station BSA 350 transmits the S identification code 3518 to the mobile base station SBS 420.
Send 18 This BS identification code 3518 is shown in FIG.
Performed when the vehicle MSR 40 moves from the point B to the point C, that is, when the vehicle MSR 40 moves from the non-communicable area to the communicable area, when the vehicle MSR 40 identifies that the vehicle MSR 40 has become communicable. Used in This identification sequence will be described below.

Further, the in-mobile base station SBS420 includes:
Although the format in which the MSR code number is given in advance as the identification number is adopted, the registration may be performed in the format given by the mobile operation management system MSRW 310 at the time of pre-operation position registration. According to the MSR code number, the mobile operation management system MSRW310 can control a plurality of vehicles MSR4.
0 can be managed.

The subway vehicle MSR 40 approaches the station premises and the communicable areas (cells) 34, 3 shown in FIG.
FIG. 32 shows a sequence for recognizing that communication has become possible when the vehicle enters any one of 8 and 39, and FIG.
This will be described with reference to FIG. When the subway vehicle MSR 40 approaches the station premises and enters any of the communicable areas (cells) 34, 38, and 39 shown in FIG. 17, it is used to recognize that communication has become possible. .

Referring to FIG. 17, when vehicle MSR 40 moves to point B at which communication at point A is no longer possible, switching center MSC 300 notifies the MSR identification code of vehicle MSR 40 that is to use base station BSB 360 next. To arrive at the control station BSC 340
The identification code issuance 4000 is performed, and the control station BSC340 issues the scheduled arrival MSR code 4 to the base station BSB360.
001. Issuance of MSR identification code 4001
Receiving the base station BSB360, the antenna ANT1B36
1 through a BS identification code 4002. At this time, since the vehicle MSR 40 is located at the point B in FIG. 17, the BS identification code is not received.

Subsequently, when vehicle MSR 40 enters point C in FIG. 17, mobile base station SBS420 receives identification code 4002 and mobile base station SBS42.
0 is the MSR identification code 400 for the base station BSB360.
Send 3. Upon receiving the identification code MSR4003, the base station BSB360 transmits an MSR identification code reception 4004 to the mobile base station SBS420. As a result, the mobile base station SBS420 and the external base station BSB36
Communication between 0 is possible.

Regarding the location registration of the present invention, FIGS.
Description will be made in accordance with the position registration sequence of FIG. 22 with reference to the configuration diagrams 19 and 20. In FIG. 17, a vehicle MS
When the terminal MS480 owned by the user enters the vehicle MSR40 as shown in FIG.
Terminal MS480 transmits vehicle MSR4 via antenna SANTA450 for transmitting a weak radio wave f1 in vehicle MSR40.
A location registration request 3520 is made to the base station SBS420 installed in the base station 0, and the base station SBS420 makes an authentication request 3521 to the terminal MS480 via the antenna SANTA450.

In response to the authentication request 3521, the terminal MS4
80 sends an authentication response 3522 to the mobile base station SBS420 via the antenna SANTA450. Authentication response 35
The intra-mobile base station SBS420 that has received 22 stores the user information 3523 in the location registration database UDB460, and thereafter performs location registration acceptance 3524 to the terminal MS480.

The mobile base station SBS420 that has received the location registration of the new terminal MS480 has the antenna ANTC410 connected thereto and the communicable area (cell) 34 of the antenna ANT1A351 connected to the base station BSA350 installed in the station premises. When the vehicle enters the base station, the mobile base station SBS 420 transmits the user information 3525 stored in the database UDB 460 to the antenna ANT.
User information registration 3526 is performed via C410 and ANT1A351. The base station BSA350 is the control station BSC
The control station BSC 340 performs user information registration 3528 with the switching center MSC 300. Exchange MSC 300 registers user information 3529 in database USDB 330.

At this time, an MSR code number is added to the user information 3529 by the mobile base station SBS420. The MSR code number is information that allows the mobile operation management system MSRW310 of FIG. 18 to search for the position of the vehicle MSR40.

After registration of user information 3529, switching center MSC
300 performs user information registration reception 3530 with respect to control station BSC 340, and control station BSC 340 performs base station BSA
The user information registration reception 3531 is performed for 350. The base station BSA350 performs user information registration reception 3532 with respect to the mobile base station SBS420, and the location registration ends.

Next, in the terminal MS480 which has not performed the location registration, the operation when the vehicle MSR40 shown in FIG. 17 is turned on at the position of the point B and the terminal MS480 owned by the user in FIG. Description will be given according to the position registration sequence of FIG. In FIG.
When the vehicle MSR 40 is at the position of the point B and turns on the power of the terminal MS 480 owned by the user in FIG. 19, the terminal MS 480 is mounted inside the vehicle via the antenna SANTA 450 transmitting the weak radio wave f1 in the vehicle MSR 40. The location registration request 3840 is made to the base station SBS420, and the mobile base station SBS420 makes an authentication request 3841 to the terminal MS480 via the antenna SANTA450.

In response to the authentication request 3841, the terminal MS4
80 sends an authentication response 3842 to the mobile base station SBS420 via the antenna SANTA450. Authentication response 38
The mobile base station SBS 420 that has received the 42 stores the user information 3843 in the database UDB 460, and performs location registration acceptance 3844 to the MS 480. At this point, the location registration of the vehicle MS480 in the subway is completed, so that transmission from the terminal MS480 is possible. But,
Since the terminal MS480 has not yet been notified to the outside that the terminal MS480 is present in the vehicle MSR 40, reception is not possible.

When vehicle MSR 40 moves from B to C,
The communication possible identification described above is performed (see FIG. 32), and the antenna ANTC connected to the mobile base station SBS420 is performed.
410 enters the communicable area (cell) 38 of the antenna ANT1B361 connected to the base station BSB360 installed in the station premises. Then, the mobile base station S
BS 420 transmits the user information stored in database UDB 460 to antennas ANTC 410 and ANT1.
User information registration 3846 is performed via A351. Base station BSA 350 performs user information registration 3847 with control station BSC 340, and control station BSC 340 performs user information registration 3848 with switching center MSC 300.

Switching center MSC 300 registers user information 3849 in user information database USDB330. Then, the exchange MSC 300 is controlled by the control station BSC 340.
3850 accepts user information registration and performs control station B
SC 340 performs user information registration acceptance 3851 with base station BSB 360. The base station BSB360 accepts user information registration 385 with the mobile base station SBS420.
2 and the location registration is completed, and reception to the terminal MS480 becomes possible.

FIG. 17, FIG. 18, and FIG.
Description will be made in accordance with the transmission sequence of FIG. 24 with reference to the configuration diagrams 9 and 20. In FIG. 17, vehicle MSR40
Is the position of the point A, and the terminal MS480 in FIG.
After performing 540, the mobile base station SBS420 receives the signal via the antenna SANTA450, and the mobile base station SBS420 issues an authentication request 3541 to the terminal MS480 via the antenna SANTA450. The terminal MS480 responds to the authentication request 3541 by the antenna SANTA.
Authentication response 3 to the mobile base station SBS420 via 450
542 is performed.

After the completion of the connection process 3543, the terminal MS480
Is the mobile base station SB via the antenna SANTA450
The data 1A which is the first data transmission is transmitted 3544 with respect to S420. At this time, the transmission data is stored 3545 in the transmission buffer SBB430 together with the destination information and the caller information from the terminal MS480.

Subsequently, similarly, terminal MS 480 transmits data 2 A, which is the second data transmission, to mobile base station SBS 420 via antenna SANTA 450.
6 At this time, the transmission data is transmitted together with the destination information and the caller information from the terminal MS480 to the transmission buffer SBB.
It is stored 3547 in 430. Thereafter, similarly, n data transmissions are performed. When the data transmission is completed, the terminal MS4
80 performs disconnection 3552, and the mobile base station SBS42
0 performs release 3553.

Thereafter, the terminal MS 480 confirms that the release has been completed 355
4 and the data communication in the vehicle MSR 40 ends, the mobile base station SBS 420 transmits the transmission buffer SB.
The data 1A to nA in B430 are transmitted to the A antenna NTC4
10 and transfer to a transmission buffer SBA 352 connected to the base station BSA 350 via the ANT 1A 351
55.

When the transfer 3555 ends, the base station BSA
350 sets call 3558 to the control station BSC 340 based on the data in the transmission buffer SBA 352,
The control station BSC 340 performs call setting 3559 for the exchange MSC 300. In response, switching center MSC 300 issues an authentication request 3560 to control station BSC 340, and control station BSC 340 issues authentication request 3 to base station BSA 350.
561 is performed. In response to this authentication request 3561, the base station B
The SA 350 sends an authentication response 3562 to the control station BSC 340. The control station BSC 340 sends an authentication response 3563 to the exchange MSC 300.

After the connection processing 3564 is completed, the base station BSA3
50 is the data 1A35 from the transmission buffer SBA352.
65 and receives data 1A to the control station BSC340.
A transmission 3566 is performed. The control station BSC 340 performs data 1A transmission 3567 to the exchange MSC 300, and the exchange MSC 300 transmits data 1A to the public data network.
Perform 68. Subsequently, similarly, the base station BSA350 receives the data 2A3569 from the transmission buffer SBA352, and sends the data 2A transmission 357 to the control station BSC340.
Perform 0. The control station BSC 340 sends the data 2A transmission 3571 to the switching center MSC 300, and
0 performs data 2A transmission 3572 to the public data network. Thereafter, similarly, n data transmissions are performed.

Next, a case where the vehicle MSR 40 in FIG. 17 is at the position of the point B and the terminal MS 480 in FIG. 19 makes a call will be described with reference to FIGS.
Description will be made according to the transmission sequence of No. 26. In FIG. 17, when the vehicle MSR 40 is at the position of the point B, the terminal M in FIG.
When S480 performs call setup 3590, antenna SANT
The mobile base station SBS420 receives the signal via the A450 and the mobile base station SBS420 receives the antenna SANTA.
Authentication request 3591 to terminal MS 480 via 450
I do. In response to the authentication request 3591, the terminal MS480
Is the mobile base station SB via the antenna SANTA450
An authentication response 3592 is sent to S420.

After completion of the connection processing 3593, the terminal MS480
Is the mobile base station SB via the antenna SANTA450
The first data transmission 1A is transmitted 3594 to S420. At this time, the transmission data is stored 3595 in the transmission buffer SBB430 together with the destination information and the caller information from the terminal MS480. Subsequently, similarly, terminal MS480 transmits 3596 data 2A, which is the second data transmission, to mobile base station SBS420 via antenna SANTA450. At this time, the terminal MS48
The transmission data is stored 3597 in the transmission buffer SBB430 together with the destination information and the caller information from 0. Thereafter, n data transmissions are performed.

When data transmission is completed, terminal MS480
Performs disconnection 3602 and the mobile base station SBS420 performs release 3603. Thereafter, terminal MS480 notifies release completion 3604, and the data communication in vehicle MSR40 ends.

In FIG. 17, vehicle MSR 40 is in cell 3
When the mobile station moves to a point C within the communication base station 8 (see FIG. 32), the mobile communication base station SBS42 is performed.
0 is data 1A to nA in the transmission buffer SBB430.
Is a transmission buffer SBA connected to the base station BSB360 via the antennas ANTC410 and ANT1B361.
3605 for transfer to 362.

When the transfer 3605 ends, the base station BSB
360 performs call setting 3608 to the control station BSC 340 based on the data in the transmission buffer SBA 362,
The control station BSC 340 performs call setting 3609 for the exchange MSC 300. On the other hand, the exchange MSC 300 issues an authentication request 3610 to the control station BSC 340, and the control station BSC 340 issues an authentication request 3 to the base station BSB 360.
611 is performed. In response to this authentication request 3611, base station B
The SB 360 sends an authentication response 3612 to the control station BSC 340. The control station BSC 340 sends an authentication response 3613 to the exchange MSC 300.

After the connection processing 3614 is completed, the base station BSB3
60 is the data 1A36 from the transmission buffer SBA362.
15 and sends data 1A to the control station BSC340.
A transmission 3616 is performed. The control station BSC 340 sends the data 1A transmission 3617 to the exchange MSC 300, and the exchange MSC 300 sends the data 1A transmission 36 to the public data network.
Perform 18. Subsequently, similarly, the base station BSB360 receives the data 2A3619 from the transmission buffer SBA362 and sends the data 2A transmission 362 to the control station BSC340.
Perform 0. The control station BSC 340 performs a data 2A transmission 3621 to the exchange MSC 300, and the control station MSC 30
0 performs data 2A transmission 3622 to the public data network. Thereafter, similarly, n data transmissions are performed.

Regarding the incoming call of the present invention, FIGS.
27 and 28 will be described with reference to the configuration diagrams 9 and 20. In FIG. 17, vehicle MSR4
When 0 is the position of the point A and an incoming call 3635 is made from the public data network to the exchange MSC 300 in FIG. 18, the exchange MSC 300 performs user confirmation 3636 to the database USDB330. The exchange MSC 300 receives the user information 3637 from the database USDB 330, confirms that the target terminal MS 480 is present in the vehicle MSR 40, and uses the MSR code number recorded together with the user information to execute the mobile operation management system MSRW 310 3638 searches the position of the vehicle MSR40 where the terminal MS480 is located, and obtains the train arrival station information 3
639 are obtained.

According to the railway station information 3639, the exchange M
SC 300 stores vehicle M in database BSDB 320.
The SR 40 searches for a base station with which communication can be currently performed 3
640. Then, the exchange MSC 300 obtains information 3641 of the base station BSA 350 from the database BSDB 320.
Get. To make a call to the base station BSA 350, a call 3644 is made to the control station BSC 340, and the control station BSC 340 makes a call 36 to the base station BSA 350.
Perform 45.

The exchange MSC 300 is connected to the control station BSC.
340, an authentication request 3646 is issued to the control station BSC3.
40 makes an authentication request 3647 to the base station BSA 350. Base station BSA 350 receiving the authentication request 3647
Makes an authentication response 3648 to the control station BSC 340,
The control station BSC 340 sends an authentication response 3649 to the exchange MSC 300.

After the completion of the connection process 3650, the switching center MSC3
00 is data 1A which is the first data from the public data network
Is received 3651. The exchange MSC 300 is a control station BS.
Data 1A3652 is sent to C340, and the control station BS
C340 transmits data 1A365 to base station BSA350.
Send 3 The base station BSA350 transmits the data 1A365
3 is stored 3654 in the reception buffer RBA 353.

Then, similarly, switching center MSC 300 receives data 2 A, which is the second data, from the public data network 3
655. The exchange MSC 300 is a control station BSC 340.
To the control station BSC340.
Sends data 2A3657 to base station BSA350. The base station BSA350 stores the data 2A3657 in the reception buffer RBA353. Thereafter, similarly, n pieces of data are received.

Next, base station BSA 350 transmits data 1A to nA in reception buffer RBA 353 to antenna ANT.
1A351 and ANTC410, the mobile base station S
The packet is transferred 3664 to the reception buffer RBB 440 connected to the BS 420. When the transfer 3664 is completed, the in-mobile base station SBS420 makes an incoming call 3667 to the terminal MS480 based on the data in the reception buffer RBB440, and makes an authentication request 3668. In contrast, terminal MS4
80 is an authentication response 36 to the mobile base station SBS420.
Perform 69.

After the completion of the connection process 3670, the mobile base station SBS420 receives the data 1A3661 from the receiving buffer RBB440, and sends the data 1A3662 to the terminal MS480 via the antenna SANTA450.
Subsequently, similarly, the intra-mobile base station SBS420 receives the data 2A3663 from the reception buffer RBB440, and sends the data 2A3674 to the terminal MS480 via the antenna SANTA450. Thereafter, in the same manner, terminal MS480 receives n data.

When the data reception is completed, the mobile base station SBS420 performs disconnection 3682, and the terminal MS480 performs release 3683. Then the mobile base station SBS42
0 notifies release completion 3684, and the data communication ends.

Next, a case where a call is made from the public data network to switching center MSC 300 in FIG. 19 when vehicle MSR 40 is at position of point B in FIG.
9 will be described in accordance with the incoming call sequence shown in FIGS. In FIG. 17, when incoming call 3690 is made from the public data network to switching center MSC 300 in FIG. 19 while vehicle MSR 40 is at position B, switching center MS
The C300 performs a user confirmation 3691 on the database USDB330.

The exchange MSC 300 has a database USD
User information 3692 is received from B330, the target terminal MS480 is confirmed to be present in the vehicle MSR40, and the mobile operation management system MSRW3 is used by using the MSR code number recorded together with the user information.
10, the vehicle MSR40 in which the terminal MS480 exists.
Is searched 3693, and railway arrival station information 3694 is obtained.

According to the railway station information 3694, the exchange M
SC 300 stores vehicle M in database BSDB 320.
The SR 40 searches for the next base station with which it can communicate 3
695. Then, the exchange MSC 300 obtains information 369 of the base station BSB 360 from the database BSDB 320.
Get 6. In order to make an incoming call to the base station BSB360, an incoming call 3704 is made to the control station BSC340, and
The control station BSC 340 calls the base station BSB 360 for the incoming call 3
705 is performed.

The exchange MSC 300 is connected to the control station BSC.
340, an authentication request 3706 is issued to the control station BSC3.
40 makes an authentication request 3707 to the base station BSB360. Base station BSB 360 receiving the authentication request 3707
Makes an authentication response 3708 to the control station BSC 340,
The control station BSC 340 sends an authentication response 3709 to the exchange MSC 300.

After the connection processing 3710 is completed, the switching center MSC3
00 is data 1A which is the first data from the public data network
Is received 3711. The exchange MSC 300 is a control station BS.
Data 1A3712 is sent to C340, and the control station BS
C340 sends data 1A371 to base station BSB360.
Send 3 The base station BSB360 transmits the data 1A371
3 is stored 3714 in the reception buffer RBA 363.

Then, similarly, switching center MSC 300 receives data 2 A, which is the second data, from the public data network 3
715. The exchange MSC 300 is a control station BSC 340.
To the control station BSC340.
Sends data 2A3717 to the base station BSB360. The base station BSB360 stores the data 2A3717 in the reception buffer RBA363. Thereafter, similarly, n pieces of data are received.

Referring to FIG. 17, vehicle MSR 40 is
When the mobile station moves to a certain point C, the above-described communication enabled identification is performed (see FIG. 32), and the base station BSB360 transmits the data 1A to nA in the reception buffer RBA363 via the antennas ANT1B361 and ANTC410. Receiving buffer RBB4 connected to SBS420
Transfer 3724 to 40. When the transfer 3724 ends,
The mobile base station SBS420 has a receiving buffer RBB4.
Incoming call 37 to terminal MS 480 based on the data in 40
27, and performs an authentication request 3728. On the other hand, the terminal MS 480 makes an authentication response 3729 to the mobile base station SBS 420.

After the connection processing 3730, the mobile base station SBS420 receives the data 1A3731 from the receiving buffer RBB440 and sends the data 1A3732 to the terminal MS480 via the antenna SANTA450.
Subsequently, similarly, the intra-mobile base station SBS420 receives the data 2A3733 from the reception buffer RBB440 and sends the data 2A3734 to the terminal MS480 via the antenna SANTA450. Thereafter, in the same manner, terminal MS480 receives n data.

When data reception is completed, the mobile base station SBS 420 performs disconnection 3742, and the terminal MS 480 performs release 3743. Then, the mobile base station SBS4
20 notifies release completion 3744, and the data communication ends.

The cancellation of the operation end position registration according to the present invention will be described with reference to the block diagram of FIG. 20 according to the incoming call sequence of FIG. In FIG. 17, vehicle MSR 40 is located at point E.
When all the operations are completed at the position of, the base station SBS420 installed in the vehicle MSR40 shown in FIG.
Via the antennas ANTC 410 and ANT 1 D 371, a location registration release request 375 is transmitted to the base station BSD 370.
Perform 0.

The base station BSD 370 is a control station BSC 340
To the control station BSC.
340 is a location registration release request 3 to the exchange MSC 300.
752. The exchange MSC 300 is a control station BSC 34
0 to the control station BSC340.
Makes an authentication request 3754 to the base station BSD 370,
The base station BSD370 has antennas ANT1D370 and A
An authentication request 3755 is made to the mobile base station SBS420 via the NTC410.

In response to the authentication request 3755, the in-mobile base station SBS420 transmits the antennas ANTC410 and ANT1.
Authentication response 3756 to the base station BSD 370 via D371
I do. The base station BSD 370 makes an authentication response 3775 to the control station BSC 340, and the control station BSC 340 makes an authentication response 3758 to the exchange MSC 300.

Here, switching center MSC 300 deregisters 3759 the MSR code number from mobile operation management system MSRW 310. Thereafter, switching center MSC 300 performs location registration release reception 3760 with respect to control station BSC 340, control station BSC 340 performs location registration release reception 3761 with base station BSD 370, and base station BSD 370 transmits to mobile base station via antennas ANT1D 371 and ANTC 410. Location registration cancellation reception 37 for BS420
Perform 62.

Next, the configuration of the second embodiment of the present invention will be described with reference to FIGS. Referring to FIG. 33, the configuration of the present embodiment is composed of an upper station 30 connected to a public data network and a plurality of base stations BSa3 connected thereto.
5, BSb 36 and BSd 37, and a mobile MSR 40 operating on a fixed track 41. Base station BSa
35, BSb36, BSd37 are installed in the station yard which is a stop point or a passing point of the mobile MSR40, and the upper station 3
0 controls and manages the base stations BSa35, BSb36 and BSd37 and manages the mobile MSR40.

In this embodiment, for convenience, the position of the base station BSa35 is used as the operation start point of the mobile MSR 40, and the base station BSa35
The position of d37 is the operation end point. Base station BSa35 ~
The communicable areas 37 are cells 34, 38 and 39, and the other areas are non-communicable areas.

Referring to FIG. 34, upper station 30 includes switching center (MSC) 300 and mobile operation management system MSRW.
310 and a base station location information database BSDB320
And the user information database USDB33 while on the train
0 and the control station BSC340. Base station BSa
35 is a base station body (hereinafter, referred to as a base station) BS
A350, antenna ANT1A351, and base station BS
It comprises a transmission buffer SBA 352 and a reception buffer RBA 353 connected to A350.

The mobile MSR 40 is a subway car (mobile).
Internal base station SBS420 and transmission buffer SBB430
And a receiving buffer RBB440 and an antenna SANT
A450, a location registration database UDB460, and a location registration portable terminal MS480.

Referring to FIG. 35, base station BSb36
Is a base station body (hereinafter referred to as a base station) BSB3
60, antenna ANT1B361, base station BSB3
60, a transmission buffer SBA 362 and a reception buffer RBA 363.

Referring to FIG. 36, base station BSd37
Is a base station body (hereinafter, referred to as a base station) BSD3
70, antenna ANT1D371, base station BSD3
70, a transmission buffer SBA 372 and a reception buffer RBA 373.

Referring to FIG. 34, both terminals MSA480 and 481 carried by the user have a function of performing data communication, and have antennas SAN for transmitting and receiving weak radio waves.
Communicate with TA450. Mobile base station SBS420
Corresponds to the base station. Also, the mobile base station SBS4
The transmission buffer SBB430 connected to the
A buffer for storing data transmitted by terminals MSA 480 and 481 on SR 40, and reception buffer RBB 440 stores data received for terminals MSA 480 and 481 on vehicle MSR 40. Buffer.

The location registration database UDB 460 is connected to the mobile base station BS 420 and has a function of storing location registration data of the terminals MSA 480 and 481 existing in the vehicle MSR 40. Also. Mobile base station SBS4
Numeral 20 has a function for communicating with a base station BSA350 installed in a station yard where the vehicle MSR 40 is at a stop point or a passing point. Antenna. Base station BSA350 is vehicle MSR4
The base station SBS is installed at the platform which is a stop point or a passing point of the mobile station 0 via the antenna ANT1A350.
It has a function of communicating with the H.420.

Transmission buffer SBA 352 connected to base station BSA 350 is a buffer for storing data transmitted by terminal MSA 480 or 481 mounted on vehicle MSR 40, and reception buffer RBA 353 is provided for vehicle MSR 40. Terminal MS on board
A buffer for storing data sent to A480 or 481.

Base station BSA 350 is controlled by control station BSC 340.
And has a function of communicating with the control station BSC340. The control station BSC340 is connected to the base stations BSa35, BSb36, BSd installed at a plurality of homes of the M vehicle MSR40 as shown in FIG. 33, and has a function of controlling and communicating with these base stations. Control station BS
C340 is connected to switching center MSC300 and
It has a function of communicating with the C300.

The exchange MSC 300 is connected to the control station BSC 340.
When a call is received to the terminal MSA 480 or 481, the user information database USDB 330 on board the mobile unit, the mobile operation management system MSRW 310, and the BS position information database B
The vehicle MSR 40 on which the terminals MSA 480 and 481 are boarded has the function of selecting the position of the base station BSA 350 that will arrive next based on each information with the SDB 320.
The mobile operation management system MSRW310 is a switching center MSC.
300, which has a function of confirming the current position of the vehicle MSR 40 and confirming the home to be arrived next.

The database USDB330 is a vehicle MSR.
It has a function of storing the user information of the terminals MSA 480 and 481 boarding the vehicle 40 and the code number provided for each vehicle MSR 40. The database BSDB320 is a base station BSA350 installed in the station premises of the vehicle MSR40.
Has the function of storing the position information of

Next, an embodiment of the subway according to the present invention when there are two portable terminals will be described in detail as a second embodiment with reference to FIGS. The location registration before railway operation, the location registration of the portable terminal, the recognition of communication availability, and the location registration cancellation of this embodiment are the same as those of the first embodiment.

The transmission of this embodiment will be described with reference to the configuration diagrams of FIGS. 33 to 36 and the transmission sequence of FIGS. In FIG. 33, vehicle MSR 40 is located at point A.
34, the terminal MSA 480 of FIG.
If call setup 4100 is performed earlier than
The mobile base station SBS420 receives the signal via the A450 and the mobile base station SBS420 receives the antenna SANTA.
Authentication request 410 to terminal MSA 480 via 450
Do one. In response to the authentication request 4101, the terminal MSA48
0 is a mobile base station S via the antenna SANTA450
An authentication response 4102 is sent to the BS 420. Then, connection processing 4103 is performed.

At this time, when call setting 4104 is also performed from terminal MSB 481 to mobile base station SBS 420, mobile base station SBS 420 receives via antenna SANTA 450 and mobile base station SBS 420
Is the terminal MSB481 via the antenna SANTA450
, An authentication request 4105 is made. The authentication request 4105
On the other hand, the terminal MSB 481 makes an authentication response 4106 to the mobile base station SBS 420 via the antenna SANTA 450. Then, connection processing 4107 is performed.

Then, the terminal MSA480 sends the antenna SA
When data 1A, which is the first data transmission, is transmitted 4108 to the mobile base station SBS420 via the NTA 450, the transmission data is stored in the transmission buffer SBB430 together with the destination information and the caller information from the terminal MSA480 4109. Subsequently, the terminal MSB 481 is connected to the antenna S
When data 1B, which is the first data transmission, is transmitted 4110 to mobile base station SBS 420 via ANTA 450, transmission data is stored in transmission buffer SBB 430 together with destination information and caller information from terminal MSB 481.

Then, the terminal MSA480 sends the antenna S
The second data transmission data 2A is transmitted 4112 to the mobile base station SBS420 via the ANTA450.
Then, the transmission data is stored 4113 in transmission buffer SBB430 together with the destination information and the caller information from terminal MSA480. Subsequently, the terminal MSB 481 is connected to the mobile base station SBS 420 via the antenna SANTA 450.
41 is transmitted as data 2B, which is the second data transmission.
14, the transmission data is transmitted together with the destination information and the caller information from the terminal MSB 481 to the transmission buffer SBB43.
It is stored 4115 to 0. Thereafter, similarly, n data transmissions are performed.

When data transmission is completed, terminal MSA480
Performs disconnection 4124, and the mobile base station SBS420 performs release 4125. Thereafter, the terminal MSA480 notifies the completion of release 4126, and the vehicle MSR4 of the terminal MSA480.
The data communication within 0 ends. The terminal MSB 481 similarly performs disconnection 4127, and the mobile base station SBS 420 performs release 4128. Thereafter, the terminal MSB 481 notifies the release completion 4129, and the vehicle MSR4 of the terminal MSB 481 is notified.
When the data communication within 0 ends, the mobile base station SBS
420 denotes data 1A to 1B in the transmission buffer SBB430.
nA and the data 1B to nB are grouped together and the base station B is transmitted via the antennas ANTC410 and ANT1A351.
4130 transfer to the transmission buffer SBA352 connected to the SA350.

When the transfer 4130 is completed, the base station BSA
350 is a terminal MSA4 in the transmission buffer SBA352.
Based on the transmission data of 80, call setting (A) 4133 is performed for control station BSC 340, and control station BSC 340 performs call setting (A) 4134 for exchange MSC 300. In response, switching center MSC 300 makes an authentication request 4135 to control station BSC 340, and control station BSC 340 makes an authentication request 4136 to base station BSA 350. In response to the authentication request 4136, the base station BSA350
An authentication response 4137 is sent to the SC 340. Control station BSC3
40 sends an authentication response 4138 to the switching center MSC300.

After the connection process 4139 is completed, the base station BSA3
50 is the data 1A41 from the transmission buffer SBA352.
40 and receives data 1A from the control station BSC340.
Transmission 4141 is performed. The control station BSC 340 sends a data 1A transmission 4142 to the exchange MSC 300, and the exchange MSC 300 sends the data 1A transmission 41 to the public data network.
Perform 43. Subsequently, similarly, the base station BSA 350 receives the data 2A4144 from the transmission buffer SBA352 and transmits the data 2A transmission 414 to the control station BSC340.
Perform step 5. The control station BSC 340 performs a data 2A transmission 4146 to the switching center MSC 300, and
0 performs data 2A transmission 4147 to the public data network. Thereafter, similarly, n data transmissions are performed.

Subsequently, base station BSA 350 sets up call (B) 4154 to control station BSC 340 based on the transmission data of terminal MSB 481 in transmission buffer SBA 352.
Is performed, and the control station BSC 340 sets up a call (B) 4155 to the exchange MSC 300. On the other hand, the exchange M
The SC 300 sends an authentication request 415 to the control station BSC 340.
6 and the control station BSC 340 issues an authentication request 4157 to the base station BSA 350. In response to the authentication request 4157, the base station BSA350 sends an authentication response 4158 to the control station BSC340. Control station BSC 340 is exchange MS
An authentication response 4159 is sent to C300.

After the connection processing 4160 is completed, the base station BSA3
50 is the data 1B41 from the transmission buffer SBA352.
61 to the control station BSC 340 for data 1B
Send 4162 is performed. Control station BSC 340 is exchange MS
The switching center MSC300 sends a data 1B transmission 4164 to the public data network.
I do.

Subsequently, similarly, base station BSA 350 receives data 2B4165 from transmission buffer SBA 352 and transmits data 2B transmission 416 to control station BSC 340.
6 is performed. The control station BSC 340 is connected to the exchange MSC 30.
Sends data 2B 4167 to 0 and exchange MSC
300 transmits 4168 data 2B to the public data network. Thereafter, similarly, n data transmissions are performed.

Next, referring to FIG. 33 and FIG. 35, a case where the terminal MSA480 of FIG. 35 makes a call when the vehicle MSR 40 is at the position of the point B in FIG.
The description will be given according to the transmission sequence of 9 to 41. In FIG. 33, when vehicle MSR 40 is located at point B and terminal MSA 480 in FIG. 35 performs call setting 4200 before other terminals MSB 481, mobile base station SBS 420 receives via antenna SANTA 450 and mobile base station SBS 420 receives the signal. The SBS 420 makes an authentication request 4201 to the terminal MSA 480 via the antenna SANTA 450.

In response to the authentication request 4201, the terminal MSA4
80 sends an authentication response 4202 to the mobile base station SBS420 via the antenna SANTA450. Then, connection processing 4203 is performed. At this time, when call setting 4204 is also performed from the terminal MSB 481 to the mobile base station SBS420, the mobile base station SBS420 receives the call via the antenna SANTA450, and the mobile base station SB
S420 is the terminal MS via the antenna SANTA450
An authentication request 4205 is sent to B481. The terminal MSB 481 responds to the authentication request 4205 by the antenna SANTA.
Authentication response 4 to mobile base station SBS 420 via 450
Step 206 is performed. Then, connection processing 4207 is performed.

Then, terminal MSA480 sends antenna SA
When the data 1A, which is the first data transmission, is transmitted 4208 to the mobile base station SBS420 via the NTA 450, the transmission data is stored in the transmission buffer SBB430 together with the destination information and the caller information from the terminal MSA480. Subsequently, the terminal MSB 481 is connected to the antenna S
When the data 1B, which is the first data transmission, is transmitted 4210 to the mobile base station SBS420 via the ANTA450, the transmission data is stored 4211 in the transmission buffer SBB430 together with the destination information and the caller information from the terminal MSB481.

Then, the terminal MSA480 sends the antenna S
Data 2A, which is the second data transmission, is transmitted 4212 to the mobile base station SBS420 via the ANTA450.
Then, the transmission data is stored 4213 in the transmission buffer SBB430 together with the destination information and the caller information from the terminal MSA480. Subsequently, the terminal MSB 481 is connected to the mobile base station SBS 420 via the antenna SANTA 450.
Transmits data 2B as the second data transmission to
14, the transmission data is transmitted together with the destination information and the caller information from the terminal MSB 481 to the transmission buffer SBB43.
It is stored 4215 to 0. Thereafter, similarly, n data transmissions are performed.

When data transmission is completed, terminal MSA 48
0 performs disconnection 4224, and the mobile base station SBS420
Performs release 4225. After that, the terminal MSA480 notifies the release completion 4226 and the vehicle MSR4 of the terminal MSA480.
The data communication within 0 ends. The terminal MSB 481 similarly performs disconnection 4227, and the intra-mobile base station SBS 420 performs release 4228. After that, the terminal MSB481 notifies the release completion 4229, and the vehicle MSR40 of the terminal MSB481.
The data communication within ends.

In FIG. 17, vehicle MSR 40 is in cell 3
8, as described in the first embodiment, communicable identification is performed (see FIG. 32), and the intra-mobile base station SBS420 transmits the data 1A to nA and the data 1A to nA in the transmission buffer SBB430. The data 1B to nB are put together and the antennas ANTC410 and ANT1B361
Is transferred 4230 to the transmission buffer SBA 362 connected to the base station BSB 360. When the transfer 4230 is completed, the base station BSB360 transmits the data to the transmission buffer SBA3.
Based on the transmission data of the terminal MSA480 in 62, a call setup (A) 4233 is performed for the control station BSC340, and the control station BSC340 performs a call setup (A) 4234 for the exchange MSC300.

On the other hand, exchange MSC 300 issues an authentication request 4235 to control station BSC 340 and control station B
The SC 340 sends an authentication request 423 to the base station BSB 360.
Perform Step 6. In response to this authentication request 4236, the base station BSB
360 sends an authentication response 4237 to the control station BSC 340. The control station BSC 340 sends an authentication response 4238 to the exchange MSC 300.

After the completion of the connection processing 4239, the base station BSB3
Numeral 60 denotes data 1A42 from the transmission buffer SBA362.
40 and receives data 1A from the control station BSC340.
Transmission 4241 is performed. The control station BSC 340 sends a data 1A transmission 4242 to the exchange MSC 300, and the exchange MSC 300 sends the data 1A transmission 42 to the public data network.
Perform 43. Subsequently, similarly, the base station BSB360 receives the data 2A4244 from the transmission buffer SBA362 and sends the data 2A transmission 424 to the control station BSC340.
Perform step 5. The control station BSC 340 performs a data 2A transmission 4246 to the exchange MSC 300, and
0 performs data 2A transmission 4247 to the public data network. Thereafter, similarly, n data transmissions are performed.

Subsequently, base station BSB 360 sets up a call (B) 4254 to control station BSC 340 based on the transmission data of terminal MSB 481 in transmission buffer SBA 362.
Is performed, and the control station BSC 340 sets up a call (B) 4255 to the exchange MSC 300. The exchange MS
C300 sends an authentication request 4256 to the control station BSC340.
And the control station BSC 340 issues an authentication request 4257 to the base station BSA 350. In response to the authentication request 4257, the base station BSB360 sends an authentication response 4258 to the control station BSC340. The control station BSC 340 is the exchange MSC.
An authentication response 4259 is sent to 300.

After the connection processing 4260 is completed, the base station BSB3
Numeral 60 denotes data 1B42 from the transmission buffer SBA362.
61 to the control station BSC 340 for data 1B
Transmission 4262 is performed. The control station BSC 340 performs data 1B transmission 4263 to the exchange MSC 300, and the exchange MSC 300 transmits data 1B to the public data network.
Perform 64. Subsequently, similarly, the base station BSB360 receives the data 2B4265 from the transmission buffer SBA362, and sends the data 2B transmission 426 to the control station BSC340.
6 is performed. The control station BSC 340 is connected to the exchange MSC 30.
0 is sent to data 2B, and the exchange MSC
300 sends 4268 data 2B to the public data network. Thereafter, similarly, n data transmissions are performed.

The incoming call of this embodiment will be described with reference to the configuration diagrams of FIGS. In FIG. 33, vehicle MSR 40 is located at point A.
34, when a call 4300 to the terminal MSA 480 is made from the public data network to the exchange MSC 300 in FIG. 34, the exchange MSC 300
A user confirmation 4301 is performed on 30. Exchange MSC
300 receives the user information 4302 from the database USDB 330, confirms that the target terminal MSA 480 is present in the vehicle MSR 40, and uses the MSR code number recorded together with the user information, by the mobile operation management system MSRW 310, Terminal MSA
Retrieval of position of vehicle MSR 40 where 480 exists 4303
Then, the train arrival station information 4304 is obtained. The train station information 4
According to 304, switching center MSC 300 stores database BS
The MSR 40 searches the DB 320 for a base station with which communication can currently be performed 4305.

Then, switching center MSC 300 reads information 430 of base station BSA 350 from database BSDB 320.
Get 6. In order to make an incoming call to the base station BSA350, an incoming call 4307 is made to the control station BSC340,
The control station BSC 340 calls the base station BSA 350
308 is performed.

The switching center MSC 300 is connected to the control station BS.
C340 sends an authentication request 4309 to the control station BSC.
340 makes an authentication request 4310 to the base station BSA 350. Base station BSA 35 receiving the authentication request 4310
0 makes an authentication response 4311 to the control station BSC 340, and the control station BSC 340 makes an authentication response 4312 to the exchange MSC300. Thus, the connection processing 4313 is performed.

At this time, the terminal MSB4 is transmitted from the public data network.
When an incoming call 4314 to 81 is made, the switching center MSC
300 performs user confirmation 4315 against the database USDB330. The exchange MSC 300 receives the user information 4316 from the database USDB 330,
Confirm that the target terminal MSB 481 exists in the vehicle MSR 40, and use the MSR code number recorded together with the user information to record the mobile body number management system M
Vehicle M in which terminal MSB 481 exists by SRW 310
The location of the SR 40 is searched 4317 and the train arrival station information 43 is searched.
Get 18.

According to the railway station information 4318, the exchange M
SC300 performs MSR for database BSDB320
Reference numeral 431 denotes a base station capable of performing communication at present.
9 The exchange MSC 300 then stores the database BS
Information 4320 of the base station BSA 350 is obtained from the DB 320.

To make a call to the base station BSA 350, a call 4321 is made to the control station BSC 340, and the control station BSC 340 makes a call 4322 to the base station BSA 350. Then, the base station MSC 300 issues an authentication request 4323 to the control station BSC 340 and the control station B
SC 340 sends an authentication request 432 to base station BSA 350.
Perform 4. Base station BSA receiving the authentication request 4324
350 sends an authentication response 4325 to the control station BSC 340, and the control station BSC 340 sends an authentication response 4326 to the exchange MSC300. Thus, the connection processing 4327 is performed.

Then, switching center MSC 300 receives 4328 data 1A which is the first data for terminal MSA 480 from the public data network. Switching center MSC 300 sends data 1A 4329 to control station BSC 340, and control station BSC 340 sends data 1A to base station BSA 350.
Send 4330. The base station BSA350 obtains this data 1A
4330 is stored in the receiving buffer RBA 353.
I do.

[0200] Similarly, switching center MSC 300 receives 4332 the second data, data 2A, for terminal MSA 480 from the public data network. Exchange MSC3
00 sends data 2A4333 to the control station BSC340, and the control station BSC340 sends data 2A4334 to the base station BSA350. The base station BSA350 stores this data 2A4334 in the reception buffer RBA353. Thereafter, similarly, n pieces of data are received.

Subsequently, data 1B which is the first data for terminal MSB 481 is received 4344. Exchange M
The SC 300 sends data 1B43 to the control station BSC340.
45 and the control station BSC 340 sends the
Data 1B4346. Base station BSA350
Transmits this data 1B4346 to the reception buffer RBA35.
3 is stored 4347.

Then, similarly, switching center MSC 300 receives 4348 data 2B as second data for terminal MSB 481 from the public data network. Exchange MSC3
00 sends data 2B4349 to the control station BSC340, and the control station BSC340 sends data 2B4350 to the base station BSA350. Base station BSA 350 stores 4351 this data 2B 4350 in reception buffer RBA 353. Thereafter, similarly, n pieces of data are received.

Next, base station BSA 350 transmits data 1A to nA and data 1B to data in reception buffer RBA 353.
nB is transferred to the receiving buffer RBB440 connected to the mobile base station SBS420 via the antennas ANT1A351 and ANTC410.
I do. When the transfer 4364 is completed, the mobile base station SB
S420 is the terminal MSA in the reception buffer RBB440.
Based on the received data for 480, terminal 43A makes an incoming call 4367 and makes an authentication request 4368. In response, terminal MSA 480 makes an authentication response 4369 to SBS 420. After the connection process 4370 is completed, the mobile base station SBS420 receives the data 1A4731 from the reception buffer RBB440, and receives the data from the antenna SANTA4.
50 to the terminal MSA 480 via the data 1A 4372
Send. Subsequently, similarly, the intra-mobile base station SBS420 receives the data 2A4373 from the receiving buffer RBB440, and receives the data MSA via the antenna SANTA450.
Send data 2A4374 to 480. Similarly, terminal MSA 480 receives n pieces of data.

When the data reception is completed, the mobile base station SBS420 performs disconnection 4382 and the terminal MSA480
Performs release 4383. After that, the mobile base station SBS4
20 notifies release completion 4384, and the data communication of terminal MSA480 ends. Next, the mobile base station SBS4
20 is a terminal MSB48 in the reception buffer RBB440.
Based on the received data for No. 1, an incoming call 4385 is made to the terminal MSB 481 and an authentication request 4386 is made. On the other hand, the terminal MSB 481 makes an authentication response 4387 to the mobile base station SBS 420.

After the connection process 4388, the mobile base station SBS420 receives the data 1B4389 from the receiving buffer RBB440 and sends the data 1B4390 to the terminal MSB481 via the antenna SANTA450. Subsequently, similarly, the intra-mobile base station SBS420 receives the data 2B4391 from the receiving buffer RBB440, and receives the data MSB48 via the antenna SANTA450.
Send data 2B4392 to 0. Similarly,
Terminal MSB 481 receives n data.

When the data reception is completed, the mobile base station SBS420 performs disconnection 4395 and the terminal MSB480.
Performs release 4396. After that, the mobile base station SBS4
20 notifies release completion 4397, and the data communication of terminal MSB 481 ends.

Next, a case where a call is made from the public data network to switching center MSC 300 in FIG. 35 when vehicle MSR 40 is at position of point B in FIG.
5 will be described with reference to the configuration diagram of FIG. In FIG. 33, when the vehicle MSR 40 is at the position of the point B, an incoming call (A) 44 from the public data network to the terminal MSA 480 to the exchange MSC 300 in FIG.
When 00 is performed, switching center MSC 300 performs user confirmation 4401 against database USDB 330. The switching center MSC 300 receives the user information 4402 from the database USDB 330 and receives the target terminal MSA.
The mobile station management system MSRW310 searches for the position of the vehicle MSR40 where the terminal MSA480 is located 4403 using the MSR code number recorded together with the user information and confirming 4403 that the terminal 480 exists in the vehicle MSR40. The arrival station information 4404 is obtained.

According to the railway station information 4404, the exchange M
SC 300 stores vehicle M in database BSDB 320.
SR 40 searches for the next base station that can communicate 4
405. Then, the exchange MSC 300 obtains information 440 of the base station BSB 360 from the database BSDB 320.
Get 6.

In order to make a call to the base station BSB360, a call (A) 4407 is made to the control station BSC340.
And the control station BSC 340 performs an incoming call (A) 4408 to the base station BSB 360. And the exchange MSC30
0 makes an authentication request 4409 to the control station BSC340, and the control station BSC340 makes an authentication request 4410 to the base station BSB360. Upon receiving the authentication request 4410, the base station BSB 360 sends an authentication response 4411 to the control station BSC 340, and the control station BSC 340 sends the authentication response 4411 to the exchange MSC.
An authentication response 4412 is sent to 300. Connection processing 441
3 is performed.

At this time, the terminal MSB4 is transmitted from the public data network.
When an incoming call (B) 4414 to 81 is made, switching center MSC 300 performs user confirmation 4415 to database USDB 330. The exchange MSC 300 receives the user information 4416 from the database USDB 330, confirms that the target terminal MSB 481 exists in the vehicle MSR 40, and uses the MSR code number recorded together with the user information to execute the mobile operation management system MSRW 310. , The position of the vehicle MSR40 where the terminal MSB481 is located is searched 4417, and the train arrival station information 4418 is obtained.

According to the train station information 4418, the exchange M
SC 300 stores vehicle M in database BSDB 320.
SR 40 searches for the next base station that can communicate 4
419. Then, the exchange MSC 300 obtains information 4420 of the base station BSB 360 from the database BSDB 320.
Get.

In order to make a call to the base station BSB360, a call (B) 4421 is made to the control station BSC340.
Is performed, and the control station BSC340 performs an incoming call (B) 4422 to the base station BSB360. And the exchange MSC30
0 makes an authentication request 4423 to the control station BSC340, and the control station BSC340 makes an authentication request 4424 to the base station BSB360. Upon receiving the authentication request 4424, the base station BSB360 sends an authentication response 4425 to the control station BSC340, and the control station BSC340 switches to the exchange MSC.
An authentication response 4426 is sent to 300. Connection processing 442
7 is performed.

Switching center MSC 300 receives 4428 data 1A, which is the first data for terminal MSA 480, from the public data network. Switching center MSC 300 sends data 1A 4429 to control station BSC 340, and control station BSC 340 sends data 1A to base station BSB 360.
Send 4430. The base station BSB360 transmits the data 1A
4430 is stored in the receiving buffer RBA 363.
I do.

Then, similarly, switching center MSC 300 receives 4432 the data 2A as the second data for terminal MSA 480 from the public data network. Exchange MSC3
00 sends data 2A4433 to the control station BSC340, and the control station BSC340 sends data 2A4434 to the base station BSB360. The base station BSB360 stores this data 2A4434 in the reception buffer RBA363. Thereafter, similarly, n pieces of data are received.

Subsequently, data 1B which is the first data for terminal MSB 481 is received 4444. Exchange M
The SC 300 sends the data 1B44 to the control station BSC340.
45, and the control station BSC340 sends the base station BSB360
To send the data 1B4446. Base station BSB360
Transmits this data 1B4446 to the receiving buffer RBA36.
3 is stored in 4447.

Then, similarly, switching center MSC 300 receives 4448 data 2B as second data for terminal MSB 481 from the public data network. Exchange MSC3
00 sends data 2B4449 to the control station BSC340, and the control station BSC340 sends data 2B4450 to the base station BSB360. The base station BSB360 stores this data 2B4450 in the reception buffer RBA363. Thereafter, similarly, n pieces of data are received.

Next, base station BSB360 transmits data 1A to nA and data 1B to data in reception buffer RBA 363.
The nBs are collectively transferred 4464 to the receiving buffer RBB440 connected to the mobile base station SBS420 via the antennas ANT1B361 and ANTC410. When the transfer 4464 is completed, the mobile base station SBS
420 is a terminal MSA4 in the reception buffer RBB440.
On the basis of the received data for 80, an incoming call 4467 is made to the terminal MSA 480, and an authentication request 4468 is made. On the other hand, terminal MSA 480 is a mobile base station SBS 420
, An authentication response 4469 is made.

After the connection processing 4470 is completed, the mobile base station SBS420 receives the data 1A4471 from the receiving buffer RBB440 and sends the data 1A4472 to the terminal MSA480 via the antenna SANTA450. Subsequently, similarly, the intra-mobile base station SBS420 receives the data 2A4473 from the reception buffer RBB440, and receives the terminal MSA48 via the antenna SANTA450.
Send data 2A4474 to 0. Similarly,
Terminal MSA 480 receives n data.

[0219] When the data reception is completed, the mobile base station SBS420 performs disconnection 4482, and the terminal MSA480.
Performs release 4483. After that, the mobile base station SBS4
20 notifies release completion 4484, and the data communication of terminal MSA480 ends. Then, the mobile base station SBS
420 is a terminal MSB4 in the reception buffer RBB440.
Based on the received data for 81, an incoming call 4485 is made to the terminal MSB 481 and an authentication request 4486 is made. On the other hand, the terminal MSB481 is the mobile base station SBS42.
An authentication response 4487 is made to 0.

After connection processing 4488 ends, base station S in the moving object
BS 420 receives data 1 from reception buffer RBB 440.
B4489 is received, and data 1B4490 is sent to the terminal MSB481 via the antenna SANTA450.
Subsequently, similarly, the mobile base station SBS420 receives the data 2B4491 from the reception buffer RBB440, and receives the terminal MSA480 via the antenna SANTA450.
Data 2B4492 is sent. Thereafter, terminal MSB 481 similarly receives n pieces of data.

When the data reception is completed, the mobile base station SBS420 performs disconnection 4495 and the terminal MSB480.
Performs release 4496. Then, the mobile base station SBS
420 notifies release completion 4497, and the data communication of the terminal MSB 481 ends.

Next, the structure of a third embodiment of the present invention will be described with reference to FIGS. This embodiment is directed to a subway. Referring to FIG. 48, the configuration of the present embodiment includes a switching center MSC500, a railroad operation management system MSRW510, a base station location information database BSDB520, a user information database USDB530 on board a railroad, a control station BSC540, and a base station B.
SA550, antenna ANT1A560, antenna ANT2A561, subway vehicle MSR600, antenna ANTC610, and antenna ANTD611.

Referring to FIG. 49 (A), subway vehicle MSR600 includes mobile base station SBS620, transmission buffer SBB630, and reception buffer RBB6.
40, antenna SANTA650, and mobile terminal MS6
80. Referring to FIG. 49B,
Base station body (hereinafter referred to as base station) BSA550
Are connected to a transmission buffer SBA570 and a reception buffer RBA580.

Referring to FIG. 49A, terminal MS680 carried by the user has a function of performing data communication.
It communicates with the antenna SANTA650 for transmitting and receiving weak radio waves. The mobile base station SBS620 corresponds to the base station. An SBB 630 connected to the mobile base station SBS 620 is a transmission buffer for storing data transmitted by the terminal MS 680 in the vehicle MSR 600, and an RBB 64 connected to the SBS 620.
0 is the terminal MS680 in the vehicle MSR600
This is a receiving buffer for storing data received from the receiver.

The mobile base station SBS 620 has a function of communicating with a base station BSA 550 installed in a station premises (home A) 590 which is a stop point or a passing point of the vehicle MSR 600, and the antennas ANTC 610 and A
The NTD 611 is an antenna that allows the in-mobile base station SBS 620 to communicate with the base station BSA 550.

As shown in FIG. 48, base station BSA550
Is an antenna ANT1A560 or ANT2A561 installed at the home A590 which is a stop point or a passing point of the vehicle MSR600 and connected to the base station BSA550.
Has a function of communicating with the in-mobile base station SBS620 via the. Also, the base station BSA55 shown in FIG.
0 is a transmission buffer for storing data transmitted by the terminal MS680 mounted on the vehicle MSR600, and the RBA580 is transmitted to the terminal MS680 mounted on the vehicle MSR600. This is a receiving buffer for storing received data.

As shown in FIG. 48, base station BSA 550 is connected to control station BSC 540 and has a function of communicating with control station BSC 540.

Control station BSC 540 is connected to vehicle MSR 600
Base station BSA55 installed in a plurality of homes A590
0 and controls the base station BSA550 and BSA5
It has a function of communicating with the F.50. Also, the control station BSC540
Is connected to the exchange MSC 500,
It has the function of communicating with The exchange MSC 500 is connected to the control station BSC 540 and has a function of communicating with the control station BSC 540. The switching center MSC 500 is connected to the terminal MS.
When there is an incoming call to the mobile station 580, the user information database US on board the mobile unit connected to the switching center MSC500.
Mobile operation management system MSRW 510 and switching center MSC 500 connected to DB 530 and switching center MSC 500
BS location information database BSDB520 connected to
Based on the information of the vehicle MSR6
00 has the function of selecting the position of the base station BSA 550 that will arrive next.

The mobile operation management system MSRW 510 is connected to the exchange MSC 500, and the current vehicle MSR 60
It has a function of confirming the position of “0” and confirming the home where the vehicle MSR 600 is to arrive next. Database U
SDB 530 is connected to switching center MSC 500 and
It has a function of storing user information of the terminal MS680 boarding the SR600 and a code number provided for each vehicle. Database BSDB 520 is exchange MSC 500
And has a function of storing the position information of the base station BSA550 installed in the home A590 of the vehicle MSR600.

The difference from the first embodiment is that the antenna connected to the base station BSA550 installed in the home A590 is an ANT1A56.
0, installed at both ends of the home A590 like ANT2A561, and the antenna connected to the mobile base station SBS620 mounted on the vehicle MSR600 is ANTC.
610 and ANTD 611 are installed before and after the vehicle MSR 600. By adopting such an installation, the communicable area is expanded and the communicable distance on the vehicle MSR600 side is also increased. Therefore, the communication time between the base station BSA550 and the in-mobile base station SBS620 is reduced from the first embodiment. Can be longer. In particular, this is effective for transferring a large amount of data when the vehicle MSR 600 stops at the home A590 or the transit time is short.

Next, an embodiment of the present invention in a subway will be described in detail as a third embodiment with reference to FIGS. In the present embodiment, the operations for pre-railway operation location registration, location registration, outgoing call and incoming call are the same as in the first embodiment. The difference is the difference in the antenna used for communication between the in-mobile base station SBS620 and the base station BSA550.

Communication data performed in vehicle MSR 600 is, as described in the first embodiment, the data shown in FIG.
50. Referring to FIG. 50, when antenna ANTC 610 connected to vehicle MSR 600 is at the position of non-communicable area 1 and ANTD 611 is at the position of non-communicable area 1, No previous communication is performed.

In FIG. 50, antenna ANTC 610 connected to vehicle MSR 600 has communication area 1
When the antenna ANTD 611 arrives at the position of the point A and the antenna ANTD 611 is located at the position where communication is impossible, the communication data stored in the transmission buffer SBB 630 shown in FIG. The data is transferred to the station BSA 550 and stored in the transmission buffer SBA 570 connected to the base station BSA 550 shown in FIG. 49B, and the base station BSA 550 performs the control shown in FIG. 48 based on the data in the transmission buffer SBA 570. Call setup is performed for the station BSC 540, and the control station B
SC 540 sets up a call to switching center MSC 500.

On the other hand, switching center MSC 500 provides control station B
An authentication request is made to the SC 540, and the control station BSC 540 is issued.
Makes an authentication request to the base station BSA550. In response to this authentication request, the base station BSA 550 sends a request to the control station BSC 540.
Send an authentication response to The control station BSC 540 is an exchange MSC.
An authentication response is made to 500. After the connection process, data transmission is performed.

In FIG. 50, antenna ANTC 610 connected to vehicle MSR 600 has coverage area 1.
When the antenna ANTD 611 arrives at the position of the point B and the antenna ANTD 611 is located at the position where communication is not possible, the communication data stored in the transmission buffer SBB 630 shown in FIG. The data is transferred to the station BSA 550 and stored in the transmission buffer SBA 570 connected to the base station BSA 550 shown in FIG. 49B, and the base station BSA 550 performs the control shown in FIG. 48 based on the data in the transmission buffer SBA 570. Call setup is performed for the station BSC 540, and
SC 540 sets up a call to switching center MSC 500.

In contrast, switching center MSC 500 provides control station B
An authentication request is made to the SC 540, and the control station BSC 540 is issued.
Makes an authentication request to the base station BSA550. In response to this authentication request, the base station BSA 550 sends a request to the control station BSC 540.
Send an authentication response to The control station BSC 540 is an exchange MSC.
An authentication response is made to 500. After the connection process, data transmission is performed.

In FIG. 50, antenna ANTC 610 connected to vehicle MSR 600 has a communicable area 1.
When the antenna ANTD 611 reaches the position of the communication impossible area 1 and the communication data stored in the transmission buffer SBB 630 shown in FIG. 49A is transmitted to the base station via the antenna ANTC 610 and the ANT 2 A 561. The data is transferred to the station BSA 550 and stored in the transmission buffer SBA 570 connected to the base station BSA 550 shown in FIG. Base station BSA 550 sets up a call to control station BSC 540 shown in FIG. 48 based on the data in transmission buffer SBA 570, and control station BSC 540 sets up a call to switching center MSC 500.

On the other hand, switching center MSC500 transmits control station B
An authentication request is made to the SC 540, and the control station BSC 540 is issued.
Makes an authentication request to the base station BSA550. In response to this authentication request, the base station BSA 550 sends a request to the control station BSC 540.
Send an authentication response to The control station BSC 540 is an exchange MSC.
An authentication response is made to 500. After the connection process, data transmission is performed.

Referring to FIG. 50, when antenna ANTC 610 connected to vehicle MSR 600 reaches the position of communication impossible area 2 and antenna ANTD 611 reaches the position of point B of communication possible area 1, FIG.
The communication data stored in the transmission buffer SBB630 shown in FIG.
49 to the base station BSA 550 via
The data is stored in the transmission buffer SBA 570 connected to the base station BSA 550 shown in FIG. Base station BSA5
50 is based on the data in the transmission buffer SBA570,
The call setting is performed for the control station BSC 540 shown in FIG. 48, and the control station BSC 540 sets the call for the exchange MSC 500.

In contrast, switching center MSC 500 provides control station B
An authentication request is made to the SC 540, and the control station BSC 540 is issued.
Makes an authentication request to the base station BSA550. In response to this authentication request, the base station BSA 550 sends a request to the control station BSC 540.
Send an authentication response to The control station BSC 540 is an exchange MSC.
An authentication response is made to 500. After the connection process, data transmission is performed.

In FIG. 50, when antenna ANTC 610 connected to vehicle MSR 600 is at the position of communication impossible area 2 and antenna ANTD 611 reaches the position of point C of communication possible area 1, it is shown in FIG. The communication data stored in the transmission buffer SBB630 is transferred to the base station BSA550 via the antennas ANTD611 and ANT2A561, and stored in the transmission buffer SBA570 connected to the base station BSA550 shown in FIG. . Base station BSA 550 sets up a call to control station BSC 540 shown in FIG. 48 based on the data in transmission buffer SBA 570, and control station BSC 540 sets up a call to switching center MSC 500.

On the other hand, switching center MSC 500 provides control station B
An authentication request is made to the SC 540, and the control station BSC 540 is issued.
Makes an authentication request to the base station BSA550. In response to this authentication request, the base station BSA 550 sends a request to the control station BSC 540.
Send an authentication response to The control station BSC 540 is an exchange MSC.
An authentication response is made to 500. After the connection process, data transmission is performed.

In FIG. 50, when antenna ANTC 610 connected to vehicle MSR 600 is at the position of communication impossible area 2 and antenna ANTD 611 reaches the position of point D of communication possible area 1, it is shown in FIG. The communication data stored in the transmission buffer SBB630 is transferred to the base station BSA550 via the antennas ANTD611 and ANT2A561, and stored in the transmission buffer SBA570 connected to the base station BSA550 shown in FIG. . Base station BSA 550 sets up a call to control station BSC 540 shown in FIG. 48 based on the data in transmission buffer SBA 570, and control station BSC 540 sets up a call to switching center MSC 500.

On the other hand, switching center MSC 500 provides control station B
An authentication request is made to the SC 540, and the control station BSC 540 is issued.
Makes an authentication request to the base station BSA550. In response to this authentication request, the base station BSA 550 sends a request to the control station BSC 540.
Send an authentication response to The control station BSC 540 is an exchange MSC.
An authentication response is made to 500. After the connection process, data transmission is performed.

In FIG. 50, when antenna ANTC 610 connected to vehicle MSR 600 is at the position of non-communicable area 2 and antenna ANTD 611 reaches the position of non-communicable area 2, transmission shown in FIG. The communication data stored in the trust buffer SBB630 is not transferred, but is stored until the next communicable area is reached.

Referring to FIG. 50, antennas ANTC 610 and ANTD 611 connected to vehicle MSR 600 are provided.
Is in a location other than the above, for example, when the antenna ANTC 610 is in the communicable area 1 and the antenna ANTD 611 is in the communicable area 1,
0 and ANTD 611 are compared with each other, and communication is performed using the antenna having the stronger received radio wave intensity.

Next, a call to terminal MS680 is shown in FIG.
The communication data in the case where the switching center MSC500 of No. 8 is
As described in the first embodiment, the data is stored in reception buffer RBA 580 shown in FIG. 49 (B). Referring to FIG. 50, antenna ANTC 610 connected to vehicle MSR 600 is in communication impossible area 1 And the antenna ANTD 611 is located in the area 1 where communication is not possible, no further communication is performed.

Referring to FIG. 50, antenna ANTC 610 connected to vehicle MSR 600 has a communicable area 1.
When the antenna ANTD 611 arrives at the position of the point A and the antenna ANTD 611 is located in the area 1 where communication is not possible, the communication data stored in the reception buffer RBA 580 shown in FIG. The mobile base station SBS62 shown in FIG.
0 and stored in the receiving buffer RBB 640 connected to the in-mobile base station SBS 620.

The mobile base station SBS 620 uses the antenna SANT based on the data in the reception buffer RBB 640.
A call is set to the terminal MS680 via A650, and an authentication request is made. In response to this authentication request, terminal MS 680 transmits the signal via mobile station BS SBS via antenna SANTA 650.
An authentication response is sent to 620.

The connection process is performed, and finally the terminal MS68
If 0 indicates that the data communication identification signal has been received and the data can be received, a data receivable signal is transmitted, and the connection process ends. After the connection process, data reception is performed, and when the data reception is completed, the mobile base station SBS 620 sends an end of data reception to the terminal MS 680, and the terminal M receiving the data receives the data reception end.
In step S680, the data reception is sent and the incoming call ends.

Referring to FIG. 50, antenna ANTC 610 connected to vehicle MSR 600 has a communicable area 1.
When the antenna ANTD 611 arrives at the position of the point B and the antenna ANTD 611 is at the position of the non-communicable area 1, the communication data stored in the reception buffer RBA 580 shown in FIG.
The mobile base station S shown in FIG.
The data is transferred to the BS 620 and stored in the reception buffer RBB 640 connected to the mobile base station SBS 620.

The mobile base station SBS620 uses the antenna SANT based on the data in the reception buffer RBB640.
A call is set to the terminal MS680 via A650, and an authentication request is made. In response to this authentication request, terminal MS 680 transmits the signal via mobile station BS SBS via antenna SANTA 650.
An authentication response is sent to 620.

The connection process is performed, and finally the terminal MS68
If 0 indicates that the data communication identification signal has been received and the data can be received, a data receivable signal is transmitted, and the connection process ends. After the connection process, data reception is performed, and when the data reception is completed, the mobile base station SBS 620 sends an end of data reception to the terminal MS 680, and the terminal M receiving the data receives the data reception end.
In step S680, the data reception is sent and the incoming call ends.

In FIG. 50, antenna ANTC 610 connected to vehicle MSR 600 has communication area 1
When the antenna ANTD 611 arrives at the position of the point C and the antenna ANTD 611 is at the position of the non-communicable area 1, the communication data stored in the reception buffer RBA 580 shown in FIG. The mobile base station SBS62 shown in FIG.
0 and stored in the receiving buffer RBB 640 connected to the in-mobile base station SBS 620.

The mobile base station SBS 620 uses the antenna SANT based on the data in the reception buffer RBB 640.
A call is set to the terminal MS680 via A650, and an authentication request is made. In response to this authentication request, the terminal MS 680 sends the mobile base station SBS via the S antenna ANTA 650.
An authentication response is sent to 620. The connection process is performed. If terminal MS 680 finally receives the data communication identification signal and can receive data, it sends a data receivable signal and ends the connection process. After the connection process, data reception is performed, and when the data reception ends, the mobile base station SBS 620 sends a data reception end to the terminal MS 680, and the terminal MS 680 that has received the data sends a data reception to end the incoming call.

In FIG. 50, when the antenna ANTC 610 connected to the vehicle MSR 600 reaches the position of the communicable area 2 and the antenna ANTD 611 reaches the position of the point B of the communicable area 1, FIG.
The communication data stored in the receiving buffer RBA580 shown in FIG.
It is transferred to the intra-mobile base station SBS620 shown in FIG. 49A via the T1A 560, and is transmitted to the intra-mobile base station SBS.
620 are stored in the receiving buffer RBB 640.

The mobile base station SBS 620 uses the antenna SANT based on the data in the reception buffer RBB 640.
A call is set to the terminal MS680 via A650, and an authentication request is made. In response to this authentication request, terminal MS 680 transmits the signal via mobile station BS SBS via antenna SANTA 650.
An authentication response is sent to 620. The connection process is performed. If terminal MS 680 finally receives the data communication identification signal and can receive data, it sends a data receivable signal and ends the connection process. After the connection process, data reception is performed, and when the data reception ends, the mobile base station SBS 620 sends a data reception end to the terminal MS 680, and the terminal MS 680 that has received the data sends a data reception to end the incoming call.

In FIG. 50, when antenna ANTC 610 connected to vehicle MSR 600 is at the position of non-communicable area 2 and antenna ANTD 611 reaches the position of point C of communicable area 1, it is shown in FIG. The communication data stored in the receiving buffer RBA580 is transmitted via the antennas ANTD611 and ANT2A561 to the mobile base station SBS6 shown in FIG.
20 and stored in the receiving buffer RBB 640 connected to the in-mobile base station SBS 620.

The mobile base station SBS 620 uses the antenna SANT based on the data in the reception buffer RBB 640.
A call is set to the terminal MS680 via A650, and an authentication request is made. In response to this authentication request, terminal MS 680 transmits the signal via mobile station BS SBS via antenna SANTA 650.
An authentication response is sent to 620. The connection process is performed. If terminal MS 680 finally receives the data communication identification signal and can receive data, it sends a data receivable signal and ends the connection process. After the connection process, data reception is performed, and when the data reception ends, the mobile base station SBS 620 sends a data reception end to the terminal MS 680, and the terminal MS 680 that has received the data sends a data reception to end the incoming call.

In FIG. 50, when antenna ANTC 610 connected to vehicle MSR 600 is at the position of communication impossible area 2 and antenna ANTD 611 reaches the position of point D of communication possible area 1, it is shown in FIG. The communication data stored in the receiving buffer RBA580 is transmitted via the antennas ANTD611 and ANT2A561 to the mobile base station SBS6 shown in FIG.
20 and stored in the receiving buffer RBB 640 connected to the in-mobile base station SBS 620.

The mobile base station SBS 620 uses the antenna SANT based on the data in the reception buffer RBB 640.
A call is set to the terminal MS680 via A650, and an authentication request is made. In response to this authentication request, terminal MS 680 transmits the signal via mobile station BS SBS via antenna SANTA 650.
An authentication response is sent to 620. The connection process is performed. If terminal MS 680 finally receives the data communication identification signal and can receive data, it sends a data receivable signal and ends the connection process. After the connection process, data reception is performed, and when the data reception ends, the mobile base station SBS 620 sends a data reception end to the terminal MS 680, and the terminal MS 680 that has received the data sends a data reception to end the incoming call.

In FIG. 50, when antenna ANTC 610 connected to vehicle MSR 600 is at the position of communication impossible area 2 and antenna ANTD 611 reaches the position of communication impossible area 2, reception shown in FIG. The transfer of the communication data stored in the buffer for RBA 580 is not performed, but the communication data is stored until the next communicable area is reached. In FIG. 50, antennas ANTC 610 and ANTD 611 connected to vehicle MSR 600
Is in a location other than the above, for example, when the antenna ANTC 610 is in the communicable area 1 and the antenna ANTD 611 is in the communicable area 1, or when the antenna ANTC 610 is
Is located in a communicable area 1 at a position other than the above and the antenna AN
When the TD 611 is located in the area 1 where communication is not possible,
The received radio waves of the antennas ANT1A560 and ANT2A561 are compared, and communication is performed using the antenna having the stronger received radio wave.

Next, the structure of a fourth embodiment of the present invention will be described with reference to FIGS. The present embodiment is directed to a case where the vehicle is running on a railroad. Referring to FIG. 51, the configuration of the present embodiment is based on the configuration of a switching center MSC700 and a railway operation management system (mobile operation management system) MSRW7.
10 and a base station location information database BSDB720.
And the user information database USDB73 while on the train
0, a control station BSC 740, a base station BSA 750,
An antenna ANT1A760, a mobile MSR800, and an antenna ANTC810 are provided.

Referring to FIG. 52A, moving object M
SR800 is composed of vehicles A801 and B802,
The vehicle A 801 has a mobile base station SBS 820, a transmission buffer SBB 830, and a reception buffer RBB 840.
, Location registration database UDB865, antenna S
It comprises an ANTA 850 and a mobile terminal MS 880,
Vehicle B802 has antenna SANTB860. Referring to FIG. 52 (B), base station BSA 750 includes transmission buffer SBB 770 and reception buffer RB.
A780 is connected.

Referring to FIG. 52 (A), terminal MS880 carried by the user has a function of performing data communication, and has an antenna S for transmitting and receiving weak radio waves in vehicle A801.
Communicate with ANTA850. This antenna SANTB
860 is an antenna for transmitting and receiving weak radio waves. The mobile base station SBS820 corresponds to those base stations. Antenna SANTA 850 in vehicle A 801 uses a frequency different from frequency f 2, and antenna SANTB 860 in vehicle B 802 uses a frequency different from frequency f 2. Also, each antenna uses a radio wave whose emission radio power is as small as possible so as to cover only each vehicle, and as shown in FIG.
If S880 enters vehicle A801, antenna S
The communication with the ANTA 850 is started.

This weak radio wave does not affect the outside. Furthermore, to eliminate external influences,
As the antenna SANTA850, an antenna having high directivity in the direction of the railcar is used. Thus, there is no external influence. However, since the terminal MS880 has a structure that can be used even when walking outside the railroad, that is, because it is a mobile terminal such as a mobile phone or a PHS, there is a possibility that radio waves from a base station outside the railroad may also be received. As a countermeasure, a priority bit is added to broadcast information from the mobile base station SBS820 and base stations outside the railway. Here, there is no problem if the base station with the higher priority is the mobile base station SBS820 and the base station with the lower priority is the base station outside the railway.

The transmission buffer SBB 830 connected to the mobile base station SBS 820 is connected to the mobile MSR 80.
0 is a buffer for storing data to be transmitted by the terminal MS880 mounted on the mobile station base station SBS.
A reception buffer RBB 840 connected to 820 is a buffer for storing data received for terminal MS 880 mounted on mobile MSR 800. A location registration database UDB 865 connected to the mobile base station SBS820 stores the location registration data of the terminal MS880.

The mobile base station SBS 820 has a function for the mobile MSR 80 to communicate with the base station BSA 750 installed at the station premises (home A) 790 where the mobile station MSR 80 stops or passes. The mobile base station SBS820 is an antenna for performing communication with the base station BSA750.

Referring to FIG. 51, control station BSC740
Is connected to the base station BSA 750 installed in a plurality of homes A 790 of the mobile MSR 800, and the base station BSA 75
0 has the function of controlling and communicating with the base station BSA750. The control station BSC 740 is connected to the switching center MSC 700 and has a function of communicating with the switching center MSC 700.
The switching center MSC700 is connected to the control station BSC740,
It has a function of communicating with the control station BSC740.

The switching center MSC700 is connected to the terminal MS880.
Is received, the database USDB730 connected to the exchange MSC700, the railway operation management system MSRW710, and the database BSDB720.
Based on the information of the mobile MSR on which the terminal MS880 is to board.
800 has the function of selecting the location of the base station BSA 750 that will arrive next. Railway operation management system MSR
W710 is connected to switching center MSC700, locates the current mobile MSR 800, and
0 has the function of confirming the home to be arrived next.

The database USDB730 is the exchange MS.
It is connected to the C700 and has a function of storing user information of the terminal MS880 boarding the mobile MSR800 and a code number provided for each mobile MSR800. The database BSDB720 is connected to the switching center MSC700 and has a function of storing position information of the base station BSA750 installed in the home A790 of the mobile MSR800.

Next, an embodiment of the present invention when the railway is running on the ground will be described in detail as a fourth embodiment with reference to FIGS. The location registration, outgoing call, incoming call, communicable recognition, and location registration cancellation in this embodiment are the same as those in the first embodiment. The position registration according to the present embodiment will be described with reference to the position registration explanatory diagram of FIG. 53 according to the position registration sequence of FIG. As shown in FIG. 54, when the terminal MS880 possessed by the user enters the vehicle A801, the terminal MS880 enters the antenna S in the vehicle A801.
Weak radio waves f1 (750
0) and the radio wave fn1 (7501) emitted from the antenna ANT891 of the base station NBS890 outside the railway
To receive. Here, terminal MS880 detects a priority bit from the broadcast information of the two different types of radio waves, selects f502 which is a radio wave having a high priority, and terminal MS880 transmits an antenna SAN transmitting weak radio wave f1 in vehicle A801.
A position registration request 7503 is sent to the mobile base station SBS820 via the TA 850, and the mobile base station SBS8 is issued.
20 is a terminal MS88 via the antenna SANTA850.
An authentication request 7504 is made for 0. The authentication request 75
04, the terminal MS880 has an antenna SANTA850.
Response 7505 to the mobile base station SBS820 via the
I do. Mobile base station SB receiving authentication response 7505
In step S820, the user information is stored 7506 in the database UDB 865, and then the location registration reception 7507 is transmitted to the terminal M.
This is performed for S880.

The mobile base station SBS 820 that has received the location registration of the new terminal MS 880 is
Antenna ANTC 810 connected to BS 820 is connected to base station BSA 750 installed in home A 790 of FIG.
When the vehicle enters the communicable area 1 of the antenna ANT1A760 connected to the
Transmits the user information 7508 stored in the database UDB865 to the antennas ANTC810 and ANT1A.
User information registration 7509 is performed via 760.

Base station BSA 750 is controlled by control station BSC 740.
User information registration 7510 to the control station BSC
740 is a user information registration for switching center MSC700 7
Perform 511. Exchange MSC700 is a database US
The user information is registered 7512 in the DB 730. At this time, the MSR code number is added to the user information by the mobile base station SBS820. The MSR code number is information by which the position of the mobile MSR 800 can be searched by the railway operation management system MSRW 710 in FIG.

After registering the user information, switching center MSC700
Is the user information registration reception 75 for the control station BSC740.
13 and the control station BSC 740 sends the base station BSA 750
, The user information registration reception 7514 is performed. Base station B
The SA 750 performs user information registration reception 7515 with respect to the mobile base station SBS 820, and the location registration ends.

Next, the structure of a fifth embodiment of the present invention will be described with reference to FIG. This embodiment is directed to a case where the distance between stations is long. The configuration of this embodiment is the same as that of the fourth embodiment. The difference is that the base station is installed not at the station premises but at an arbitrary passing point on a fixed orbit of the moving object.

Referring to FIG. 57, a station 87 and its station 87
Base station BSa89 installed in the station, station 88 and its station 88
And a base station BSd91 installed on a fixed orbit of a mobile between the station 88 and the station 89.
, A base station BSe92, and a mobile MSR1000. The configurations of the base station, its upper station, and the mobile MSR are the same as in the fourth embodiment.

Next, the operation of this embodiment will be described with reference to FIGS.
This will be described with reference to FIG. Location registration before railway operation of this embodiment, location registration of mobile terminal, outgoing, incoming, communicable recognition,
The location registration cancellation is the same as in the fourth embodiment. The differences are described below. When a base station is installed at the station,
6, the base station BSa70 exists in the station premises. That is, since the communication impossible area 74 of the communication between the mobile MSR 800 and the base station BSa70 is almost equal to the distance between the stations, when the distance between the stations is long, the delay in data transmission / reception increases. . That is, in the case of communication of information to be sent immediately or information to be received immediately, inconvenience occurs.

Therefore, in this embodiment, as a countermeasure against this point, as shown in FIG. 57, the base station is installed not only in the station premises but also at any arbitrary passing point on the orbit of the mobile MSR1000. In addition, the incommunicable area where mobile MSR 1000 cannot communicate with the public data network can be shortened, and the delay in data transmission / reception can be reduced.

However, by increasing the number of base stations and arranging the base stations so as to cover all the railway sections, the delay in data transmission and reception can be minimized, but communication can be performed even with a small number of base stations. Is also an advantage of the present invention, so it is not preferable to increase the number of base stations too much.

[0281]

A first effect of the present invention is that data communication can be performed by a portable terminal in a subway vehicle. The reason is that a mobile base station is installed in a subway vehicle, a buffer is connected to the mobile base station, communication data is temporarily stored in the buffer, and a base station installed in the subway platform This is because, by connecting a buffer and temporarily storing communication data, the mobile terminal can perform data communication even in a position where radio waves from a base station installed on a subway platform cannot reach.

[0282] The second effect is that data communication by the portable terminal can be performed even when the moving object which is a railway car travels in a tunnel where radio waves do not reach or where a base station is not installed and radio waves do not easily reach. . The reason is that a mobile base station is placed in the railway, a buffer is connected to the mobile base station, communication data is temporarily stored in the buffer, and the mobile base station transmits / receives to / from a base station outside the railway. By connecting a buffer to a base station installed at a location where communication is possible and temporarily storing communication data in the buffer, the mobile base station reaches a point where it can transmit and receive with a base station outside the railway When the data transfer can be performed, furthermore, the transmission data from the mobile terminal in the railroad, the base station outside the railroad that received the data transfer can be transmitted to the destination of the data communication by the mobile terminal, This is because the mobile base station that has received the data transfer can call the mobile terminal for the data received by the mobile terminal in the railway.

A third effect is that the number of base stations can be reduced. The reason is to place a mobile base station on the mobile, connect a buffer to the mobile base station,
By temporarily storing communication data in the buffer and connecting the buffer to a base station installed outside the mobile, the buffer temporarily stores the communication data,
This is because data communication of the portable terminal can be performed even in a position where radio waves from a base station installed outside the mobile object do not reach.

The fourth effect is that even when the line is full,
That is, data communication can be performed by a portable terminal. The reason is that by connecting a buffer to the base station, data can be stored regardless of the line state.

[0285] The fifth effect is that it is not necessary to perform location registration during the operation of the moving body. The reason is that since the moving object travels on a fixed track, the position of the moving object can be easily recognized by a system outside the moving object. This is because the registration only needs to be performed when the mobile system is started, that is, when the operation of the mobile body starts.

The fifth effect is that the line of the portable terminal in the moving object is not disconnected during the data communication. The reason is that a mobile base station is placed on the mobile,
A buffer is connected to the mobile base station, and the communication data is temporarily stored in the buffer. Since there is no speed difference between the mobile terminal and the mobile base station at this time, the mobile base station is used. In the communication up to the buffer, stable communication can be performed. Furthermore, when the mobile terminal in the mobile body uses the base station, by adding a priority bit to the broadcast information output by each of the base station in the mobile body and the base station outside the mobile body, assigns a priority to the base stations, This is because it is possible to prevent the mobile terminal inside the moving body from performing position registration with a base station outside the moving body.

[Brief description of the drawings]

FIG. 1 is a schematic diagram illustrating a system according to an embodiment of the present invention.

FIG. 2 is a schematic diagram illustrating a system at the start of operation according to an embodiment of the present invention.

FIG. 3 is a schematic diagram illustrating a system according to an embodiment of the present invention when traveling outside a cell after starting operation.

FIG. 4 is a schematic diagram illustrating a system when a vehicle enters a cell during operation of the embodiment of the present invention.

FIG. 5 is a schematic diagram illustrating a system according to an embodiment of the present invention when traveling outside a cell.

FIG. 6 is a schematic diagram illustrating a system at the end of operation according to the embodiment of the present invention.

FIG. 7A is a configuration diagram of an upper station according to the embodiment of the present invention,
(B) is a block diagram of the moving body, and (C) is a block diagram of the periphery of the base station at a stop point or a passing point of the moving body.

FIG. 8 is a system configuration diagram of the embodiment of the present invention.

FIG. 9 is a system configuration diagram of the embodiment of the present invention.

FIG. 10 is a system configuration diagram of an embodiment of the present invention.

FIG. 11 is a sequence diagram of a pre-operation position registration according to the embodiment of the present invention.

FIGS. 12A and 12B are location registration sequence diagrams of the embodiment of the present invention.

FIGS. 13A and 13B are transmission sequence diagrams of the embodiment of the present invention.

FIGS. 14A and 14B are transmission sequence diagrams of the embodiment of the present invention.

FIG. 15 is a location registration release sequence diagram according to the embodiment of this invention.

FIG. 16 is a communication possible identification sequence diagram according to the embodiment of this invention.

FIG. 17 is an explanatory schematic diagram of the first embodiment of the present invention.

FIG. 18 is a system configuration diagram of the first embodiment of the present invention.

FIG. 19 is a system configuration diagram of the first embodiment of the present invention.

FIG. 20 is a system configuration diagram of the first embodiment of the present invention.

FIG. 21 is a sequence diagram of a position registration before operation according to the first embodiment of the present invention.

FIG. 22 is a location registration sequence diagram in a cell according to the first embodiment of this invention.

FIG. 23 is a view showing a point B to a point C according to the first embodiment of the present invention;
FIG. 9 is a position registration sequence diagram when moving to a location.

FIG. 24 is a transmission sequence diagram in the cell according to the first embodiment of this invention.

FIG. 25 is a view showing a point B to a point C according to the first embodiment of the present invention;
It is a transmission sequence diagram at the time of moving to.

FIG. 26 is a view showing a point B to a point C according to the first embodiment of the present invention;
It is a transmission sequence diagram at the time of moving to.

FIG. 27 is an incoming call sequence diagram in a cell according to the first embodiment of this invention.

FIG. 28 is an incoming call sequence diagram in a cell according to the first embodiment of this invention.

FIG. 29 is a diagram illustrating a point B to a point C according to the first embodiment of this invention.
FIG. 9 is a sequence diagram of an incoming call when the mobile terminal is moved to.

FIG. 30 is a view showing a point B to a point C according to the first embodiment of the present invention;
FIG. 9 is a sequence diagram of an incoming call when the mobile terminal is moved to.

FIG. 31 is an operation end position registration release sequence diagram according to the first embodiment of this invention.

FIG. 32 is a communication possible identification sequence diagram according to the first embodiment of this invention.

FIG. 33 is an explanatory schematic diagram of a second embodiment of the present invention.

FIG. 34 is a system configuration diagram of a second embodiment of the present invention.

FIG. 35 is a system configuration diagram of a second embodiment of the present invention.

FIG. 36 is a system configuration diagram of a second embodiment of the present invention.

FIG. 37 is a transmission sequence diagram in the case of a cell and two mobile terminals according to the second embodiment of this invention.

FIG. 38 is a transmission sequence diagram in the case of in a cell and two portable terminals according to the second embodiment of this invention.

FIG. 39 is a view showing a point B to a point C according to the second embodiment of the present invention;
FIG. 7 is a transmission sequence diagram when the mobile terminal moves to and when two mobile terminals are used.

FIG. 40 is a view showing a point B to a point C according to the second embodiment of the present invention.
FIG. 7 is a transmission sequence diagram when the mobile terminal moves to and when two mobile terminals are used.

FIG. 41 is a view showing a point B to a point C according to the second embodiment of the present invention;
FIG. 7 is a transmission sequence diagram when the mobile terminal moves to and when two mobile terminals are used.

FIG. 42 is an incoming call sequence diagram when in a cell and when there are two portable terminals according to the second embodiment of this invention.

FIG. 43 is an incoming call sequence diagram when in a cell and when two mobile terminals are used according to the second embodiment of this invention.

FIG. 44 is an incoming call sequence diagram when in a cell and two mobile terminals according to the second embodiment of this invention.

FIG. 45 shows a point B to a point C according to the second embodiment of the present invention.
FIG. 6 is a sequence diagram of an incoming call when the mobile terminal moves to and when there are two portable terminals.

FIG. 46 is a view showing a point B to a point C according to the second embodiment of the present invention.
FIG. 6 is a sequence diagram of an incoming call when the mobile terminal moves to and when there are two portable terminals.

FIG. 47 is a view showing a point B to a point C according to the second embodiment of the present invention;
FIG. 6 is a sequence diagram of an incoming call when the mobile terminal moves to and when there are two portable terminals.

FIG. 48 is a system configuration diagram of a third embodiment of the present invention.

FIG. 49A is a configuration diagram of a subway vehicle according to a third embodiment of the present invention, and FIG. 49B is a configuration diagram around a base station in the same station premises.

FIG. 50 is an operation explanatory view of the third embodiment of the present invention.

FIG. 51 is a system configuration diagram of a fourth embodiment of the present invention.

FIG. 52 (A) is a diagram showing the configuration of a railway diagram vehicle according to a fourth embodiment of the present invention, and FIG. 52 (B) is a configuration diagram around a base station in the same station premises.

FIG. 53 is an explanatory diagram of position registration according to the fourth embodiment of this invention.

FIG. 54 is an explanatory diagram of position registration in a railway according to the fourth embodiment of the present invention.

FIG. 55 is a location registration sequence diagram of the fourth embodiment of the present invention.

FIG. 56 is an explanatory diagram of a case where a base station is installed in a station according to the fifth embodiment of the present invention.

FIG. 57 is an explanatory diagram of a case where a base station is installed at an arbitrary passing point according to the fifth embodiment of the present invention.

FIG. 58 is a system configuration diagram for explaining a conventional technique.

[Explanation of symbols]

4 to 7, 34, 38, 39, 72, 73, 93, 96
Communicable area 10,30 host station 15-17,35-37,70,71,89-92,1
50,160,350,360,550,750 Base station 20,40,600,800,1000 Mobile 1,41 Constant track 87,88 Station 97-99 Uncommunicable area 100,300,500,700 Switching center 110, 310, 510, 710 Mobile operation management system 120, 320, 520, 720 Base station location information database 130, 330, 530, 730 Mobile on-board user information database 140, 340, 540, 740 Control station 151, 161 , 351,371,560,561,7
60 Base station antenna 152, 162, 230, 352, 362, 372, 4
30, 570, 630, 770, 830 Transmission buffer 153, 163, 240, 353, 363, 373, 4
40, 580, 640, 780, 840 Receiving buffer 210, 410, 610, 611, 810 Off-mobile antenna 220, 420, 620, 820 In-mobile base station 250, 450, 650, 850 In-mobile antenna 260, 460, 865 Location registration database 280, 480, 680, 880 Mobile terminal

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5K024 AA02 AA72 BB04 BB07 CC11 DD01 DD04 DD05 GG01 GG03 GG10 GG12 5K067 AA23 BB21 EE02 EE10 EE35 EE44 EE57 GG02 GG11 HH23 KK15 9A001 CC03 CC05

Claims (23)

[Claims] 1. A mobile communication system including a mobile base station installed in a mobile body which is installed in the mobile body to perform data communication with a mobile terminal brought into the mobile body operating on a fixed track. A mobile communication system comprising a storage unit provided in a station and temporarily storing communication data with the mobile terminal. 2. The mobile communication system according to claim 1, wherein said storage means has a transmission buffer for temporarily storing transmission data from said portable terminal. 3. The mobile communication system according to claim 1, wherein the storage unit includes a reception buffer for temporarily storing incoming data from outside the mobile body to the portable terminal. 4. The mobile communication system according to claim 1, further comprising a plurality of extra-mobile base stations installed along said track and having a communicable area. 5. The mobile communication system according to claim 4, wherein each of said extra-mobile base stations has storage means for temporarily storing communication data with said intra-mobile base station. 6. The mobile communication system according to claim 5, wherein said storage means has a transmission buffer for temporarily storing transmission data from said intra-mobile base station. 7. The mobile communication system according to claim 5, wherein said storage means has a reception buffer for temporarily storing incoming data to said mobile base station. 8. The system according to claim 4, further comprising an upper-level station connected to all of said extra-mobile base stations for communicating and controlling said extra-mobile base stations and connecting to a public data network. A mobile communication system according to any one of claims 1 to 7. 9. The data communication between the mobile base station and storage means of the external base station when the mobile body enters a communication area of the external base station. The mobile communication system according to any one of claims 4 to 8, wherein 10. The high-order station comprises: an exchange unit connected to the public data network; an operation management unit for managing operation of the mobile unit; and a position information database storing position information of the extra-mobile base station. And a user information database for storing user information of the portable terminal brought into the mobile object, and control means for determining and controlling an extra-mobile base station with which the data communication is to be performed by the operation management means. Item 10. The mobile communication system according to item 9. 11. The control means according to claim 1, wherein when the base station outside the mobile station, which has received the transmission data from the mobile station, transmits the data to the upper station, the base station uses the location information database based on the outgoing address. 11. The mobile communication system according to claim 10, wherein the position of the mobile unit is recognized based on the position information and the unique number of the mobile unit added by the mobile base station. 12. 12. The transmission apparatus according to claim 1, wherein a priority bit for determining a priority of a base station used by said portable terminal is added to transmission information from said base station.
12. The mobile communication system according to any one of claims 11 to 11. 13. The mobile station according to claim 1, wherein the priority bit is used to distinguish a base station used by the mobile terminal from the mobile base station or another base station.
3. The mobile communication system according to 2. 14. The mobile communication system according to claim 1, wherein the communication between the mobile base station and the mobile terminal uses a weak radio wave that does not affect the outside of the mobile body. 15. The mobile communication system according to claim 1, wherein when the moving body includes a plurality of vehicles, a different frequency is assigned to each vehicle. 16. The mobile communication system according to claim 1, wherein a communication antenna of the mobile object is attached to a frontmost portion and a rearmost portion of the mobile object. 17. The mobile communication system according to claim 4, wherein the mobile unit is a subway vehicle, and the extra-mobile base station is installed in a subway station. 18. A mobile intra-base station installed in the mobile body for performing data communication with a mobile terminal brought into the mobile body operating on a fixed track, and each of the base stations is installed along the rail and can communicate with each other. A mobile communication system including a plurality of extra-mobile base stations having an area, and an upper-level station connected to the plurality of extra-mobile base stations and subordinated to the base stations and having a function of exchanging with a public data communication network. A mobile communication system, further comprising a storage unit provided in the extra-mobile base station and temporarily storing communication data with the intra-mobile base station. 19. The mobile communication system according to claim 18, wherein said storage means has a transmission buffer for temporarily storing transmission data transmitted from said portable terminal through said mobile base station. 20. The mobile communication system according to claim 18, wherein said storage means has a reception buffer for temporarily storing incoming data from said higher station to said portable terminal. 21. Data communication is performed between the mobile base station and the storage means of the external base station when the mobile enters a communication area of the external base station. The mobile communication system according to any one of claims 18 to 20, wherein: 22. The high-order station, comprising: an exchange unit connected to the public data network; an operation management unit for managing the operation of the mobile unit; and a position information database storing position information of the base station outside the mobile unit. And a user information database for storing user information of the portable terminal brought into the mobile object, and control means for determining and controlling an extra-mobile base station with which the data communication is to be performed by the operation management means. Item 22. The mobile communication system according to any one of Items 18 to 21. 23. The control means, when the base station outside the mobile station, which has received the transmission data from the mobile station, transmits the data to the higher-level station, uses the location information database based on the originating address to determine the location information. 23. The mobile communication system according to claim 22, wherein a search is made for the position of the mobile unit based on the position information and the unique number of the mobile unit added by the mobile base station.