JP2003250180A - Radio network system and terminal device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively utilize a free time zone of a railway radio network, to inhibit transmission of a radio wave signal from a mobile terminal in a train or a station premises to a public communication network, and to receive information from the railway radio network. <P>SOLUTION: A plurality of pieces of information 601 from a plurality of information providing means 6 independent of a railway business are switched by a changeover device 42 and transmitted to the railway radio network 1 as network data 101 for a free time zone where no radio business information 501 from railway business departments 5 reaches a base station 4 for the railway radio network 1, a mobile terminal 3 is provided with a means for communicating with both a public communication network 2 and the railway radio network 1, and when no communication is made with the public communication network 2, the mobile terminal can receive and browse information selected among the network data 101 from the railway radio network 1. Further, when the terminal 3 is present in a communication disabled area with the public communication network 2 or makes no transmission/reception operations even if present in the communication available range, the transmission operation of a radio wave signal to the public communication network 2 is inhibited. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless network system and a terminal device that constitutes the wireless network system. In particular, in a wireless network system that constitutes a railway wireless network that transmits and receives railway business information, a base station capable of transmitting and receiving information by transmitting and receiving radio wave signals for the railway wireless network, such as a mobile phone terminal and The present invention relates to a wireless network system configured by connecting a portable terminal device such as a portable information terminal, and a portable terminal device configuring the wireless network system.

[0002]

2. Description of the Related Art FIG. 8 is a network configuration diagram showing an outline of a railway wireless network system used for a conventional railway business. Here, the railway wireless network 1 is a wireless network conventionally used exclusively for railway business. Conventionally, all trains, locomotives, bullet trains, and commercial vehicles are equipped with transceivers for transmitting and receiving radio wave signals in the frequency band for the railroad wireless network 1. Here, as the railroad wireless network 1, for example, there is a train wireless communication between a driver and a driving command center, a crew wireless communication between a driver and a conductor, and a wireless network for exchanging freight trains. It is used for railway operations, that is, railway operations. Also,
In the case of VHF, the frequency band of the radio wave signal used for the railway wireless network 1 is 140 to 160 MH
In the case of z and UHF, the band of 340 to 470 MHz is allocated.

On the other hand, as a portable terminal device, a mobile phone terminal has already been widely used for general public communication, and the frequency of a radio wave signal used for a mobile phone terminal for a general public communication network. As a band, 800M
Bands of the Hz band and the 1.5 GHz band are allocated.
Furthermore, in order to be able to provide the wireless service to the mobile phone terminals used for such general public communication even in trains and station premises, general public communication including necessary antennas, transmitters, receivers, etc. Communication equipment is already installed in such trains for trains and in station premises.

A base station 4 constituting the railroad wireless network shown in FIG. 8 is connected to the railroad wireless network 1, and the network data 101 is transmitted or received between the base station 4 and the railroad wireless network 1. Operation
It is performed using a radio wave signal in the band of 140 to 160 MHz or 340 to 470 MHz. In the following, in order to simplify the description, the transmission of the railway business information 501 from the railway business department 5 as network data 101 from the base station 4 to the railway wireless network 1 using the radio wave signal. Only the operation will be described, and the description of the reception operation when the base station 4 receives the network data 101 from the railroad wireless network 1 will be omitted. In this receiving operation, the direction of the information flowing in the base station 4 is reversed, and the network data 101 received from the railway wireless network 1 is delivered to the railway business department 5. As the control operation in the station 4,
An operation similar to the transmission operation described below is performed.

A skyline signal 404 indicating that there is no transmission of railway business information 501 from the railway business department 5 to the base station 4.
A radio signal generator 44 that generates a radio wave, a switching device 42 that switches between the radio signal 404 and the railroad business information 501, and switching information 402 output from the switching device 42 as network data 101. A transmitter / receiver 43 which provides a transmitting means for transmitting to
And are provided.

[0006] Here, the railway business information 501 transmitted from the railway business department 5 is input to the terminal b of the switching device 42. On the other hand, the sky line signal 404 generated from the sky line signal generator 44 is a signal indicating that there is no railway business information 501 to be transmitted, and normally, a tone signal of 2,280 Hz or no signal is used. And is input to the terminal c of the switching device 42.

When it is not necessary to transmit the railway business information 501 from the railway business department 5, the switching device 42 is in a state in which the connection between the terminal c and the terminal a is established, and the sky line signal generator 4 is connected.
A blank line signal 404 from 4 is output from the switching device 42 as switching information 402, and the switching information 402 is further input to the transmitting / receiving device 43. The transmission / reception device 43 modulates and amplifies the switching information 402 indicating a sky line, and sends it to the railroad wireless network 1 as network data 101 composed of radio wave signals in the frequency band for the railroad wireless network. In the railway wireless network 1, the network data 101 is 140 to 160 as described above.
It is transmitted as a radio wave signal in the frequency band of MHz or 340 to 470 MHz.

On the other hand, when it becomes necessary to transmit the railroad business information 501, the connection between the terminal b and the terminal a of the switching device 42 is prioritized, and the railroad business department 5 sends the railroad business information. The information 501 is input to the transmission / reception device 43 as the switching information 402. The transmission / reception device 43 performs modulation amplification of the switching information 402 including the railway business information 501,
It is sent to the railway wireless network 1 as network data 101 composed of a radio wave signal in the frequency band for the railway wireless network.

Here, FIG. 9 schematically shows a state of the network data 101 of the conventional example when it is transmitted to the railroad wireless network 1. 9, the horizontal axis indicates the passage of time t, and the vertical axis indicates the base station 4 shown in FIG.
1 shows network data 101 to be transmitted from the train to the railroad wireless network 1, switching information 402 which is an input to the transmission / reception device 43 on which the network data 101 is based, and a connection state (that is, a switching state) of the switching device 42. .
As a railway business information 501 from the railway business department 5 shown in FIG. 8, a time section (t
In 1b and t3b), according to the operation of the base station 4, data relating to the railway business, that is, railway business information 501 is transmitted as network data 101. On the other hand, in the time section (t2b and t4b) where the communication content regarding the railway business does not exist as the railway business information 501 from the railway business department 5, the 2,280 Hz tone signal or the blank signal 404 which is no signal is network data. 10
It is sent as 1.

FIG. 10 is a front view showing the appearance of a conventional portable terminal device. A conventional portable terminal device is a public communication network that provides a public wireless communication line service (here, in the wireless network system according to the present invention, the railroad wireless network described above is used as a first wireless network. , The public communication network constitutes a second wireless network.), Using a radio wave signal in the frequency band for the public communication network, mainly for voice communication. It is something to do. As shown in FIG. 10, a conventional portable terminal device 3 generally displays various display contents 301 such as an antenna 31 for transmitting and receiving a radio wave signal composed of a frequency band for a public communication network and a telephone directory. It has a display unit 33, a speaker 32 for outputting voice information, a microphone 35 for inputting voice information, and an operation unit 34 used for inputting a telephone number as a destination.

FIG. 11 is a block diagram showing a circuit block configuration of the conventional portable terminal device shown in FIG. 11, parts that are common to the external view of the terminal device 3 in FIG. 10 are given the same reference numerals.

First, the operation of the conventional portable terminal device for receiving will be described. In FIG. 11, 31a is the same as the antenna 31 shown in FIG. 10, and is used for transmitting and receiving a radio wave signal having a frequency band for a public communication network. On the other hand, 31b
Is a built-in antenna dedicated to reception and is built in the housing of the portable terminal device 3.

Here, the antenna 31a and the built-in antenna 31b dedicated to reception are operated as diversity antennas by using two antennas in order to prevent multipath of received signals. The radio wave signal received by the antenna 31a is tuned and amplified by the receiving circuit A 37a, and then input to the diversity circuit 38 as a received signal a 307a. On the other hand, the radio wave signal received by the built-in antenna 31b is input to the diversity circuit 38 as a reception signal b 307b after being subjected to tuning and amplification by the reception circuit B 37b.

In the diversity circuit 38, two input received signals a 307a and b 30 are received.
7b (in this example, description is made with two received signals, but it is also possible for a plurality of received signals more than two) to select the most appropriate received signal and stabilize. The combined reception signal 308 is output and input to the control circuit 39. In the control circuit 39, the input combined reception signal 308 is demodulated to obtain demodulation reception information, and further, desired demodulation reception information is selected from the demodulated reception information. Be done.

Among the desired demodulated reception information selected by the control circuit 39, the audio information drives the speaker 32 as the audio output signal 302, and the audio information is provided to the operator of the terminal device 3. On the other hand, in the desired demodulated reception information selected by the control circuit 39, the image information including the character information is displayed on the display unit 33 as the display signal 303, and the image information is provided to the operator of the terminal device 3. . Here, the display unit 33 is
It is composed of a small and lightweight LCD panel.

The operation unit 34 is composed of operation keys and the like, and the operation keys are operated by the operator of the terminal device 3, and the operation signal 30 according to the contents of the operation result.
4 is output. The output operation signal 304 is input to the control circuit 39, and the instruction content instructed by the operator of the terminal device 3 is transmitted to the control circuit 39.

Next, the operation of the terminal device 3 shown in FIG. 11 when transmitting voice information will be described. The voice information input from the microphone 35 by the operator of the terminal device 3 is input to the control circuit 39 as a voice input signal 305. In addition, operation information (for example, input information of a telephone number) input from the operation unit 34 is input to the control circuit 39 as an operation signal 304.

The control circuit 39 modulates and encodes the inputted voice input signal 305 and operation signal 304 and outputs it as a transmission signal 307c. The transmission signal 307c is input to the transmission circuit 37c, subjected to high frequency amplification, and then radiated from the antenna 31a as a radio wave signal having a frequency band for a public communication network.

It should be noted that, in order to have the mobile terminal device that is movable provide the public wireless communication line service from the public communication network, in the mobile terminal device 3 shown in the conventional example, communication is performed. Even in the state of waiting for reception, which is not in the state, frequently, such as a position registration operation for notifying and registering its own position to the public communication network and a handover for controlling the number of relay stages of radio wave signals, etc. Command information for control is transmitted as a radio wave signal composed of a frequency band for public communication networks.

[0020]

However, in the case of a movable portable terminal device, that is, a portable telephone terminal or a portable information terminal (hereinafter collectively referred to as a portable terminal device) as the terminal device, the portable terminal device is When the owner, that is, the operator is on a train or the like, even if the portable terminal device is in the waiting state for reception, as described above, the radio wave signal is frequently transmitted. Therefore, not only the transmission of the radio wave signal may adversely affect the user of a medical electronic device such as a pacemaker, but also the battery of the mobile terminal device may be consumed. It is said that the power must be turned off. Therefore, while riding the train,
There is a problem that it is impossible to fully utilize the function of the mobile terminal device.

The present invention has been made in view of the above situation, and in the case where the user is on a train, for example,
When the mobile terminal device is in the waiting state for reception, it is prohibited to perform frequent radio wave signal transmission operations such as location registration from the mobile terminal device, and the idle time of such public communication service is used. Then, by using the radio wave signal in the frequency band for the railway wireless network, the railway business information provided by the railway business department or various information provided by a plurality of information providing means such as a storage server and the Internet can be used. It makes it possible to receive via the network and receive and browse, and on the contrary, in the state where the railway business information and browsing information of multiple information are not made,
When it is necessary to provide the public communication service, the service for the public communication is provided.

[0022]

The present invention provides technical means for solving the above-mentioned problems, and each invention comprises the following technical means.

A wireless network system according to a first aspect of the present invention is connected to a railway wireless network used in a railway business, and transmits first information on a railway business obtained from a railway business department to a railway wireless network frequency band. In a wireless network system comprising a base station that transmits and receives by a radio wave signal and a terminal device that transmits and receives the first information by a radio wave signal in the frequency band for the railway wireless network, the base station is not related to a railway business. When the second information providing means capable of providing the second information is connected and the first information regarding the railway business to be transmitted / received does not exist, the second information providing means is used. The obtained second information is switched to the second information, and the second information is transmitted to the railway wireless network in the frequency band. A switching means capable of transmitting and receiving with respect to the railway radio network by the signal, whereas the terminal device, from among the first information received from the train wireless network or the second
The wireless network system is provided with an information output means capable of extracting and selecting desired information from the information of 1.

A radio network system according to a second invention is the radio network system according to the first invention, wherein the base station obtains a plurality of the second information obtained from a plurality of the second information providing means. And a plurality of the second information multiplexed by the multiplexing means can be transmitted to and received from the railroad wireless network by a radio wave signal in the frequency band for the railroad wireless network. On the other hand, the terminal device includes a demultiplexing unit that demultiplexes the plurality of multiplexed second information received from the railway wireless network, and the plurality of second demultiplexed units by the demultiplexing unit. A wireless network system capable of extracting and selecting desired information from the information and outputting the selected information.

A wireless network system according to a third invention is the wireless network system according to the first or second invention, wherein the second network is connected to the base station.
The information providing unit records and accumulates information input using the information input unit provided in the second information providing unit and / or information connected to an external network and received via the external network. The information recording means capable of storing the information, and the information recorded and accumulated in the information recording means,
The wireless network system is composed of a storage-type server having a reading unit capable of reading as the information.

A radio network system according to a fourth invention is the radio network system according to any one of the first to third inventions, wherein the second information providing means connected to the base station is a public line. A line connection unit that can be connected to the Internet via a network, and information obtained from a server device or an information terminal device existing on the Internet connected by the line connection unit is processed and output as the second information. The wireless network system comprises an Internet connection device having an information output unit capable of performing the above.

A radio network system according to a fifth aspect is the radio network system according to any one of the first to fourth aspects, wherein the second information providing means connected to the base station is an FM broadcast. FM broadcast receiving means capable of receiving the radio wave signal of the above, and information output capable of selecting FM character multiplex information from the received radio wave signal of the FM broadcast and outputting it as the second information. And a radio network system configured by an FM teletext broadcast receiving apparatus including the means.

A wireless network system according to a sixth invention is the wireless network system according to any one of the first to fifth inventions, wherein the second information providing means connected to the base station is a TV broadcast. TV broadcast receiving means capable of receiving the radio wave signal of the above, and information output capable of selecting TV character multiplex information from the received radio wave signal of the FM broadcast and outputting it as the second information. The present invention is a wireless network system configured by a TV character multiplex broadcasting receiving device including a means.

A wireless network system according to a seventh invention is the wireless network system according to any one of the first to sixth inventions, wherein as the information output means of the terminal device constituting the wireless network system, The image display means and / or the image display means are provided based on the identification of the identification information for identifying whether the information to be extracted / selected and output as desired information is image information and / or audio information. Alternatively, the wireless network system is capable of being output to the audio output means.

A terminal device according to an eighth aspect of the invention is the first wireless network showing the railway wireless network as the terminal device constituting the wireless network system according to any one of the first to seventh inventions. On the other hand, information can be transmitted / received by a radio wave signal in a first frequency band indicating the frequency band for the railway wireless network, and further, a public communication network can be used for the second wireless network which is a general public communication network. The terminal device is provided with a transmitting / receiving unit capable of transmitting / receiving information by a radio wave signal in a second frequency band indicating a frequency band for use.

A terminal device according to a ninth invention is the terminal device according to the eighth invention, wherein the terminal device is based on a radio wave signal received from the first and / or second wireless network. Is provided with a detection means for detecting a communication availability state indicating whether or not the communication area with each of the first and / or second wireless networks is located in a service range in which the communication with the first and / or second wireless network is possible. The terminal device is provided with a service range display unit for displaying the communication availability status.

A terminal device according to a tenth invention is the terminal device according to the eighth invention.
Alternatively, in the terminal device according to the ninth invention, the terminal device is configured such that the terminal device has the first and / or second wireless network based on a radio wave signal received from the first and / or second wireless network. It detects that it is not within the service range where each communication with
Even if it is in the service range where communication is possible, it is equipped with a detection means capable of detecting that a call is not made to or from the wireless network, and the detection means is not in the service range, or , The first and / or the detected that a call origination / termination operation is not performed
Alternatively, for the second wireless network, the terminal device is provided with a transmission prohibiting unit that prohibits the transmission operation of the radio wave signal composed of the detected frequency band of the first and / or second wireless networks. It is characterized by that.

The terminal device according to an eleventh invention is the terminal device according to the first invention.
In the terminal device according to the invention No. 0, the transmission prohibition display means can display that the transmission prohibition means is in a state of prohibiting the transmission operation to the first and / or the second wireless network. The terminal device is provided with.

[0034]

BEST MODE FOR CARRYING OUT THE INVENTION An example of an embodiment relating to a wireless network system and a terminal device according to the present invention will be described below with reference to the drawings. First, a description will be given below based on an embodiment of the wireless network system shown in FIG. FIG. 1 is a network configuration diagram showing an example of a network configuration as an embodiment of a wireless network system according to the present invention. In FIG. 1, the present wireless network system includes a railroad wireless network 1 that is a first wireless network, a public communication network 2 that is a second wireless network, a first wireless network 1, that is, a railway wireless network 1 and a second wireless network. Mobile terminal device (that is, mobile terminal device) 3 capable of transmitting and receiving radio frequency signals of any frequency band to and from the wireless network 2 of the present invention, that is, the public communication network 2, and the first wireless network 1 of the railway wireless network. A railway business capable of transmitting and receiving a radio wave signal having a frequency band of 1 and providing the first wireless network 1, that is, the base station 4 configuring the railway wireless network 1, and railway business information to the base station 4. Department 5 and various general information not related to the railway business (that is, multiple information) to the base station Each plural information providing means 6 is composed of a plurality of information providing maternal possible to provide, it is mainly composed respect.

That is, the plural information providing means 6 supplies the second information to the railway business department 5 which is the first information providing means for providing the first information which is the original railway business information. This constitutes the second information providing means for providing information.

In the railway wireless network 1 which is the first wireless network, the frequency of the railway wireless network 1 which is the first wireless network is centered around business vehicles such as trains, locomotives and Shinkansen, and station premises. A transceiver for transmitting and receiving a radio wave signal composed of a band is attached, and a wireless network for transmitting and receiving railway business information for railway business is configured. As described above, the frequency band of the radio wave signal currently used in the railway radio network 1 is 140 in the case of VHF.
If the band of 160 MHz is UHF, then 340 to 340
The band of 470 MHz is allocated.

Here, the base station 4 connected to the wireless network system according to the present invention uses a radio wave signal which is connected to the railway wireless network 1 and has the frequency band of the railway wireless network 1. Thus, for example, a plurality of pieces of information including the railway business information 501 from the railway business department 5 can be transmitted as the network data 101. That is, the information transmitted from the base station 4 as a radio wave signal, that is, the network data 101, includes the railway business information 5 from the railway business department 5.
01 or a plurality of information 601 provided from the plurality of information providing means 6 capable of providing a plurality of various kinds of information, respectively, and is switched by the switching device 42 installed in the base station 4. The information output and then switched and selected by the switching device 42 is output as switching information 402 to the transmission / reception device 43, modulated and amplified in the transmission / reception device 43, and transmitted in the frequency band of the railroad wireless network 1. It will be transmitted as network data 101 composed of radio signals.

Here, as shown in FIG. 1, the base station 4 according to the present invention is composed of a multiplexing device 41, a switching device 42, and a transmitting / receiving device 43. The railway business information 501 transmitted / received from the railway business department 5 is input to the terminal b of the switching device 42. On the other hand, the multiple information 601 from the multiple information providing unit 6 is multiplexed by the multiplexing device 41 to be multiplexed information 401, which is input to the terminal c of the switching device 42. That is, in the present embodiment, the multiplexing information 401 is input to the terminal c of the switching device 42 instead of the skyline signal 404 of the conventional example shown in FIG.

When it is not necessary to transmit the railway business information 501 from the railway business department 5, the connection between the terminals c and a of the switching device 42 is established, and FIG. Instead of the skyline signal 404 of the conventional example shown, the multiplexing information 401 is output as the switching information 402 indicating the output from the switching device 42, and the switching information 402 is input to the transmission / reception device 43. The transmission / reception device 43 performs the modulation amplification of the input switching information 402, and as the network data 101 including the radio wave signal of the frequency band of the railway wireless network 1, the railway wireless network 1
That is, it is sent to the first wireless network 1. That is, as described above, the network data 101 is 140 to 160 MHz in the railroad wireless network 1.
Alternatively, it is transmitted as a radio wave signal in any frequency band of 340 to 470 MHz.

On the other hand, when it becomes necessary to transmit the railway business information 501 from the railway business department 5, the connection between the terminals b and a of the switching device 42 is preferentially made, and the railway business is concerned. The information 501 is input to the transmission / reception device 43 as the switching information 402. The transmission / reception device 43 performs the modulation amplification of the switching information 402, and as the network data 101 including the radio wave signal in the frequency band of the railway wireless network 1, the railway wireless network 1, that is, the first
To the wireless network 1. That is, as described above, the network data 101 is 140 to 160 MHz or 3 in the railway wireless network 1.
It is transmitted as a radio wave signal in any frequency band of 40 to 470 MHz.

FIG. 2 schematically shows how the network data 101 is switched in the wireless network system according to the present invention. 2, the horizontal axis indicates the time t, and the vertical axis indicates the network data 101 transmitted from the base station 4 shown in FIG. 1 to the railroad wireless network 1.
And switching information 402 which is an input to the transmission / reception device 43 which is the basis of the network data 101, and a connection state (that is, a switching state) of the switching device 42. In the time section (t1b and t3b) in which the communication content relating to the railway business exists as the railway business information 501 from the railway business department 5 shown in FIG. 1, the terminal b of the switching device 42 of the base station 4
-The connection between the terminals a is established, and according to the operation of the switching device 42 of the base station 4, the data related to the railway business, that is, the railway business information 501 is network data including radio wave signals in the frequency band of the railway wireless network 1. 10
1 is transmitted to the railway wireless network 1, that is, the first wireless network.

On the other hand, in the time section (t2b and t4b) where there is no communication related to the railway business as the railway business information 501 from the railway business department 5, the terminal c-terminal a of the switching device 42 of the base station 4 The switching device 42 selects the multiplexing information 401 in which the plurality of information 601 provided from the plurality of information providing means 6 is multiplexed by the switching device 42 to be the switching information 402, and the transmission / reception device 43. In the network data 10 consisting of radio wave signals in the frequency band of the railway wireless network 1
1 is transmitted to the railway wireless network 1, that is, the first wireless network.

Here, when the plurality of pieces of information 601 are multiplexed and transmitted as the network data 101, the modulation processing performed in the transmission / reception device 43 is used for the reception control of the conventional railroad wireless network 1. Tone signal (ie, 2, which represents a skyline signal
A modulated signal in a band such as that which affects a 280 Hz tone signal or no signal is avoided and processed.

Further, the network data 101 including the multiplexed information 401 selected by the switching device 42 of the base station 4 and having the multiple information 601 provided by the multiple information providing means 6 multiplexed by the transmitting / receiving device 43. The modulated radio wave signal in the frequency band of the railway wireless network 1 is transmitted from the base station 4 to the railway wireless network 1, that is, the first wireless network 1. Therefore, as the railroad wireless network 1, that is, the first wireless network 1, the railroad wireless network 1, that is, the first wireless network 1 is, for example, a station yard or a vehicle such as a train, which is a range where the wireless radio signal can be received. Service provision, that is, the service range of the network data 101 including the multiplexed information 401 can be provided.

Terminal device 3 located in such service range
If it is (including a portable terminal device), the base station 4 composed of a radio wave signal in the frequency band of the railroad wireless network 1.
It may be possible to receive the network data 101 from the information via the railroad wireless network 1, that is, the first wireless network 1. Since the railway wireless network 1, that is, the first wireless network 1 is originally a wireless network used for railway business, it is a terminal device 3 located in the service range such as inside a station or train. Even in this case, as a matter of course, it is necessary to be able to transmit and receive the radio wave signal in the frequency band of the railroad wireless network 1, that is, the first wireless network 1.

On the other hand, the portable terminal device 3 (that is, the portable terminal device) 3 such as a portable telephone terminal is already widely used for the general public communication line as described above, and is used in the inside of a train station or a train. Also in this, it is possible to transmit and receive a radio wave signal which provides a service for general public communication. Here, the frequency band used as a radio wave signal for a general public communication network is 80
A frequency band of 0 MHz band or 1.5 GHz band is assigned. Thus, communication devices for general public communication including antennas, transmitters, receivers, etc., capable of transmitting and receiving radio wave signals in such frequency bands have already been installed in railway station premises and train cars. It is installed.

Therefore, it is possible to transmit / receive a radio wave signal having the frequency band of the railroad wireless network 1, that is, the first wireless network 1 to / from the portable terminal device 3 used for the public communication network. By adding the information transmitting / receiving means, not only the information transmission / reception for public communication but also the base station 4
It becomes possible to receive the network data 101 from the.

That is, the railroad radio network 1, that is, the radio wave signal in the frequency band of the first radio network 1 and the public communication network 2 (that is, the second radio network 2 corresponding to the railroad radio network 1). It is assumed that the terminal device 3 is configured to be capable of transmitting and receiving both the radio wave signal having the frequency band and the radio wave signal.
Thus, in a time zone when public communication service is not provided in a place such as a station yard or a vehicle, it is performed for the purpose of transmitting control commands such as location registration and handover as in the conventional case. While suppressing the transmission operation of frequently sending out a radio wave signal in the frequency band of the public communication network 2, a base station using the radio wave signal in the frequency band of the railroad wireless network 1, that is, the first wireless network 1 is used. It is possible to receive and browse the network data 101 from the network 4, and to prevent a situation in which useless radio wave signals are frequently transmitted, which adversely affects medical electronic device users such as pacemakers in the vicinity. In addition, it is possible to prevent wasteful consumption of the battery.

Thus, the railroad wireless network 1, that is, the first
In the case of the portable terminal device 3 capable of receiving the network data 101 composed of the radio wave signal of the frequency band of the wireless network 1, the mobile terminal device 3 is generally provided as long as it is within the service range communicable with the railway wireless network 1. By using a mobile terminal device (that is, a mobile terminal device) 3 that is also used for a public line, a plurality of pieces of information can be used, if necessary, by using a free time zone of communication time for public communication. Various information 6 obtained from the providing means 6
01 can be received and viewed as the network data 101 from the base station 4.

Next, an example of the embodiment of the information providing base constituting the plural information providing means 6 will be described. Figure 3
It is a device block diagram which shows an example of embodiment of the multiple information provision means 6 shown in FIG. In FIG. 3, plural information providing means 6
Is mainly composed of a storage type server 61, an internet connection device 62, an FM character multiplex broadcast receiving device 63, and a TV character multiplex broadcast receiving device 64. Storage type server 61
Is a manual input device 61a configured by an operator's keyboard or the like and providing information input means for receiving information input accompanying keyboard operation, and an external network 7 interconnected with the plural information providing means 6 by some line.
External input I / F 61b for receiving information from
A recording device (record storage device) 61c for recording and storing various kinds of information input or received, and a reading device 61d for reading information stored in the recording device 61c.

In the recording device 61c, information input by the manual input device 61a composed of a keyboard or the like, and information acquired from the external database 71a connected to the external network 71 via the external input I / F 61b. Information is recorded and accumulated. The information recorded and accumulated in the recording device 61c is read out as the accumulation type server information 601a by the reading device 61d and is output as a plurality of information 601, that is, one of the second information.

The internet connection device 62 is connected to the internet 72, for example, to connect to the public wireline network and to provide a line connection means for connecting to the internet 72.
Internet 72 input from the line connection device 62a
CPU 62b for processing various information from the CPU, the CPU 6
Output device 6 for outputting information processed by 2b
2c. That is, the information is processed by the CPU 62b and the output device 62c, and the plural information 601 or the second information is processed.
The information output means for outputting to the multiplexing device 41 of the base station 4 as the above information. Here, the line connection device 62
a is PSTN (Public Switched Te)
lephone Network), ISDN (Int
integrated Service Digital Ne
network), ADSL (Asymmetric Di)
digital Subscriber Line), FT
The public wireline network 72c is connected to a public wireline network 72c such as TH (Fiber To The Home).
personal computer 72b connected to the Internet 72 via the Internet connection provider device 72a connected to the computer c and the CPU of the Internet connection device 62.
62b is interconnected.

The CPU 62b acquires various kinds of information from the personal computer 72b via the line connection device 62a, the public wired line network 72c, the internet connection provider device 72a, and the internet 72 in accordance with a prescribed communication protocol. The various information thus obtained is processed by the CPU 62b and input to the output device 62c as Internet information. The output device 62c converts the input Internet information 601b into a plurality of information 601.
That is, it is output as one of the second information.

Further, the FM text multiplex broadcasting receiver 63 is
An antenna 73 for receiving a radio wave signal of FM broadcasting including FM character multiplex broadcasting, and an F received by the antenna 73
An FM broadcast receiving device 63a that provides an FM broadcast receiving unit that tunes and amplifies a radio wave signal of M broadcast and outputs it as FM multiplex information, and a desired F from the amplified FM multiplex information.
A selection device 63b for selecting and extracting only M character multiplex information,
The output device 63c is for outputting the desired FM character multiplex information selected and extracted by the selecting device 63b as FM character multiplex information 601c. That is, the selection device 6
3b and the output device 63c constitute an information output unit that selects desired information and outputs it as the multiple information 601 or the second information to the multiplexing device 41 of the base station 4.

The radio wave signal of the FM character multiplex broadcast received by the antenna 73 is tuned and amplified in the FM broadcast receiving device 63a and is input to the selecting device 63b as FM multiplex information (not shown). The selection device 63b is
Only the desired FM character multiplex information is selected and extracted from the FM multiplex information, and is output as the FM character multiplex information by the output device 63c.
To enter. The output device 63c outputs the FM character multiplex information 601c, which is the input information, as a plurality of pieces of information 601, that is, one of the second information.

Further, the TV character multiplex broadcasting receiver 64 is
Antenna 74 for receiving radio wave signals of TV broadcasting including TV character multiplex broadcasting, T received by the antenna 74
A TV broadcast receiving device 64a that provides a TV broadcast receiving unit that tunes and amplifies the radio wave signal of V broadcast and outputs it as TV multiplex information, a desired TV from the amplified TV multiplex information.
The selection device 64b selects and extracts only the character multiplex information, and the output device 64c for outputting the desired TV character multiplex information selected and extracted by the selection device 64b as the TV character multiplex information 601d. That is, the selection device 64
b and the output device 64c constitute an information output means for selecting desired information and outputting it as the multiple information 601 or the second information to the multiplexing device 41 of the base station 4.

The radio wave signal of the TV character multiplex broadcast received by the antenna 74 is tuned and amplified by the TV broadcast receiving device 64a, and is input to the selecting device 64b as TV multiplex information (not shown). The selection device 64b is
Only the desired TV character multiplex information is selected / extracted from the TV multiplex information, and the output device 64c is used as the TV character multiplex information.
To enter. The output device 64c outputs the TV character multiplex information 601d, which is the input information, as a plurality of pieces of information 601, that is, one of the second information.

In the base station 4, when the railway business information 501 is not received from the railway business department 5, the Internet 72 or other external network 71 or the FM character multiplex broadcasting reception antenna 7 is available.
3 or various pieces of plural information 601 obtained by receiving information from the TV character multiplex broadcasting receiving antenna 74 or the like, or reading information previously recorded and stored in the storage server 61, that is, the second information. Are multiplexed by the multiplexer 41, and the multiplexed information 401
However, by including the switching means (that is, the switching device 42) and the transmitting and receiving means (that is, the transmitting and receiving device 43) that can be transmitted to the railroad wireless network 1, that is, the first wireless network 1 as the network data 101. , Even when there is no railway business information 501 in a free time zone,
It can be used as an effective information provision time zone. Further, as a device constituting the base station 4, by diverting a device already used for railway business or a device used in a general broadcasting network or the Internet, a wireless network system according to the present invention can be obtained. Since it can be constructed, it can be introduced easily and inexpensively.

Next, the configuration of the portable terminal device 3 that receives the information from the base station 4, that is, the network data 101 will be described. FIG. 4 is a front view showing an example of the external appearance of the portable terminal device (that is, the portable terminal device) 3 according to the present invention. The portable terminal device 3 shown in FIG.
Parts that are exactly the same as the external appearance of the portable terminal device in the conventional case shown in 0 are denoted by the same reference numerals as those in FIG. Also in FIG. 4, the external appearance of the portable terminal device (that is, the portable terminal device) 3 according to the present invention is similar to that of FIG. 10, and the antenna 31, the telephone directory, and the guide information for transmitting and receiving radio wave signals are almost the same. It mainly includes a display unit 33 for displaying various display contents 301, a speaker 32 for outputting voice information, a microphone 35 for inputting voice information, and an operation unit 34 used for inputting a telephone number and the like. The transmission prohibition display circuit 36 which constitutes the transmission prohibition display lamp shown in FIG. 4 will be described later.

Here, as described above, the portable terminal device 3 according to the present invention shown in FIG.
That is, it is possible to connect to both the wireless networks of the first wireless network 1 and the public communication network 2, that is, the second wireless network 2, and the frequency band of the railway wireless network 1, that is, the first wireless network 1. It is possible to both send and receive the wireless radio wave signal of and the wireless communication wave signal of the frequency band of the public communication network 2, that is, the second wireless network 2. Therefore, the first and second wireless networks are respectively provided. It is possible to send and receive information to and from.

That is, the antenna 31 provides a means for receiving a radio wave signal from each of the first wireless network 1 and the second wireless network 2. Further, the display unit 33 is composed of a small and lightweight device such as a liquid crystal panel, and the display unit 33 is connected to the first wireless network 1 or the second wireless network 2 as shown in FIG. It is possible to display the content of the reception information selected from the plurality of reception information received.

Here, the railway radio network 1, that is, the first
If it is connected to the wireless network 1 of
As the display content 301 displayed on the display unit 33, for example, by receiving the network data 101 based on the railroad business information 501 from the railroad business department 5, "the advantageous ticket is on sale. It is possible to display image information indicating service contents related to the railway business as information to be received and browsed.

The operation unit 34 is composed of a keyboard or the like, and is used for the railroad wireless network 1, that is, the first wireless network 1 or the public communication network 2, that is, the second wireless network.
Which wireless network to use, or when the receiving operation related to the service of the railway wireless network 1, that is, the first wireless network 1, is being performed, the network data requesting reception As 101, railway business information 501, that is, the first
Information and the multiple information 601 multiplexed as the multiplexed information 401, that is, the second information is selected, and further, for example, the multiple information 601 that is the second information is selected. If there is, select the information to be displayed from the various received information, such as giving instructions to extract and select the desired information from the multiple information. When used for operations and the like, and on the other hand, when performing transmission / reception operations related to the services of the public communication network 2, that is, the second wireless network 2, input of telephone numbers such as destinations for the public communication network 2 and transmission / reception operations, etc. Used for the operation of.

When the microphone 35 is connected to the public communication network 2, that is, the second wireless network 2 and functions as a telephone, it operates as a voice input device. On the other hand, when the speaker 32 is connected to the public communication network 2 or the second wireless network 2 and functions as a telephone, the speaker 32 operates as a voice output device, and further, the railway wireless network 1 or the first wireless network. When the audio information is selected as the received information, that is, the received information selected from the network data 101 when connected to No. 1, it also operates as a monitor device of the audio information.

On the other hand, when the image information is selected as the selected reception information, for example, as shown in FIG. 4, guidance information such as "A great ticket is on sale. Is displayed on the display unit 33. It should be noted that here, if the network data 101 is audio information based on the identification result of the identifying means, the identifying means for automatically identifying whether the network data 101 is composed of audio information and / or image information is provided. , The speaker 32 is driven and output, and if it is image information, it is displayed and output on the display unit 33.

Next, as shown in FIG. 4, a service that enables a communication service with each of the wireless networks depending on the location of the portable terminal device 3 capable of communicating with the two wireless networks. The difference in the range will be described with reference to FIG. FIG. 5 is a conceptual diagram showing a relationship between a service range in which communication is possible with the railroad wireless network 1, that is, the first wireless network 1, and a service range in which communication is possible with the public communication network 2, that is, the second wireless network 2. Is. In FIG. 5, service range A
Is a service range of the first wireless network 1, but is not a service range of the second wireless network 2, and the service range B is a range of the second wireless network 2.
, But not the service range of the first wireless network 1. Also, the service range C indicates the service range of both the first wireless network 1 and the second wireless network 2.

On the other hand, the service range D indicates a range which is not the service range in any of the first wireless network 1 and the second wireless network 2. The operation of the portable terminal device 3 used in the wireless network system according to the present invention differs depending on where the portable terminal device 3 is located in each of the service ranges A, B, C, D described above. Will be things.

FIG. 6 is a flow chart showing an example of the operation of the portable terminal device 3 in the case where the portable terminal device 3 according to the present invention moves within the service range of each wireless network shown in FIG. An example of the operation of is shown.
In FIG. 6, when the operation of the mobile terminal device 3, that is, the mobile terminal device is activated and the power of the mobile terminal device is turned on, the operation of receiving the radio wave signal is started (step S1). Here, first, it is determined whether or not the radio wave signal from the railroad wireless network 1, that is, the first wireless network 1 can be received (step S).
2).

If the wireless radio signal from the first wireless network 1 is located within the receivable service range (YES in step S2), the process proceeds to step S3, otherwise. If (N in step S2
O), the process proceeds to the state of step S4. Next, step S3
When the state transitions to, and it is in the service range of the first wireless network 1 (YES in step S2), the radio wave signal from the public communication network 2, that is, the second wireless network 2 is received. It is determined whether it is possible (step S3). If the wireless radio signal from the second wireless network 2 is located within the receivable service range (YES in step S3), the process proceeds to step S6, and otherwise (step S3). (NO of S3), the process proceeds to the state of step S5.

Here, if the state transitions to step S5 and it is determined that the wireless radio signal from the second wireless network 2 is not within the receivable service range (NO in step S3). , The portable terminal device 3
Is located in the service range A shown in FIG. 5, and can receive only the information service from the railroad wireless network 1, that is, the first wireless network 1 (step S5). On the other hand, when the state transitions to step S6 and it is determined that the wireless radio signal from the second wireless network 2 is located within the receivable service range (YES in step S3), the portable type 5 is located in the service range C shown in FIG. 5, and is connected to both the railroad wireless network 1, that is, the first wireless network 1 and the public communication network 2, that is, the second wireless network 2. It is possible to receive the information service of (step S5).

Further, the state transitions to step S4, and the first
If the wireless network 1 is not located within the service range of the wireless network 1 (NO in step S2), then it is determined whether or not the radio wave signal from the public communication network 2, that is, the second wireless network 2 can be received. It is determined whether or not (step S4). If the wireless radio signal from the second wireless network 2 is located within the receivable service range (YES in step S4), the process proceeds to step S7, and if not (step S4). S
No of 4), the process proceeds to the state of step S8.

Here, if the state transitions to step S7 and it is determined that the wireless radio signal from the second wireless network 2 is within the receivable service range (YES in step S4). , The portable terminal device 3
Is located in the service range B shown in FIG. 5, and can receive only the information service from the public communication network 2, that is, the second wireless network 2 (step S7). If it is determined that the state transitions to step S8 and the wireless radio signal from the second wireless network 2 is not within the receivable service range (NO in step S4), the portable type The terminal device 3 is located in the service range D shown in FIG. 5, and is connected to any one of the railroad wireless network 1, that is, the first wireless network 1 and the public communication network 2, that is, the second wireless network 2. Cannot receive the information service of (step S8).

To which of the service ranges the current location of the portable terminal device 3 belongs belongs to, for example,
By providing the display unit 33 with a service range display unit capable of displaying an antenna indicating the state of transmission / reception with each wireless network, that is, the state of communication enabled / disabled, the owner of the portable terminal device 3, that is, the operator, It is possible to visually confirm the current communication availability status for each wireless network.

Next, an example of the circuit block configuration of the portable terminal device 3 according to the present invention will be described. FIG. 7 is a block configuration diagram showing an example of a circuit block configuration of the portable terminal device 3 applied to the wireless network system according to the present invention. In the block diagram shown in FIG.
A circuit block different from the circuit block of the portable terminal device 3 in the conventional example shown in (1) is that a detection circuit 36a, a transmission prohibition display circuit 36, and an information decoding circuit 39a are mainly added. In FIG. 7, the same circuit blocks as the circuit blocks of the portable terminal device 3 in the conventional example shown in FIG. 11 are designated by the same reference numerals, and the description thereof will be omitted here.

In each circuit block of the portable terminal device 3, as described above, a frequency band (for example, 140 to 160 MHz or 340 MHz) for transmitting / receiving to / from the railroad wireless network 1, that is, the first wireless network 1.
Frequency band (for example, 800 MHz band or 1.5 G) for transmitting and receiving radio wave signals of up to 470 MHz and the public communication network 2, that is, the second wireless network 2.
It is possible to transmit and receive both the radio wave signal and the radio wave signal in the Hz band).

That is, as the portable terminal device 3 according to the present invention, for example, a mobile phone capable of transmitting and receiving radio wave signals to and from the general public communication network 2, that is, the second wireless network 2 or the like. Portable terminal device 3
By additionally providing a transmitting / receiving means capable of transmitting / receiving a radio wave signal from the railway wireless network 1, that is, the first wireless network 1, to the general public communication network 2 Not only is it possible to send and receive radio wave signals such as telephones to and from the wireless network 2 of the above, but also, for example, ticket release guide information, etc. via the railway wireless network 1 or the first wireless network 1. It is also possible to receive railway business information.

In FIG. 7, the combined reception signal 308 output by the diversity circuit 38 is the detection circuit 36a,
It is input to the information decoding circuit 39a and the control circuit 39, respectively. The detection circuit 36a detects the frequency component of the combined reception signal 308. In the detection circuit 36a, the combined reception signal 308 is, for example, 140 to 160 as described above.
When it is detected that the frequency component is in the band of MHz or 340 to 470 MHz, it is a reception signal (reception information) from the railroad wireless network 1, that is, the first wireless network 1, and the portable terminal device 3 Is located in the service range A in FIG.

On the other hand, as the combined reception signal 308, for example, as described above, the 800 MHz band or 1.5 GHz is used.
When the frequency component in the z band is detected, it is a reception signal (reception information) from the public communication network 2, that is, the second wireless network 2, and the portable terminal device 3
It is located in the service range B of FIG.

Further, as the combined reception signal 308, 140
-160MHz or 340-470MHz band frequency component and 800MHz band or 1.5GHz band frequency component frequency component of both radio frequency signals are detected to be received, portable type 5 is located in the service range C in FIG. 5, and conversely, when it is determined that no radio wave signal of the frequency component is received, the portable terminal device 3 is located in the service range D in FIG. As described above, based on the detection result of the detection circuit 36a, the portable terminal device 3 is connected to the railroad wireless network 1, that is, the first wireless network 1 and / or the public communication network 2, that is, the second wireless network 2. Service ranges A, B, which indicate whether or not transmission / reception operations are possible
When C and D are detected, they are displayed via the control circuit 39 as a display signal 303 indicating the communication availability status with each wireless network, that is, service range display information, and are displayed on the display unit 33 as an antenna.

Furthermore, the detection circuit 36a is not only capable of detecting that the communication circuit with the first and / or second wireless networks 1/2 is not located, but further Is also provided with a detection unit capable of detecting that a call is not made to or from the wireless network even if the service range is communicable, and the detection unit includes the detection unit. Based on the output of the circuit 36a, the first and / or the second wireless network 1 / that is detected that it is not within the communicable service range or that the call originating / receiving operation is not performed
For 2, the transmission prohibition means for prohibiting the transmission operation of the radio wave signal composed of the detected frequency band of the first and / or the second wireless network 1/2, and the transmission operation are prohibited. It also has a transmission prohibition display means for displaying that.

In particular, when the portable terminal device 3 is located in the service range A shown in FIG. 5, for example, the location of the portable terminal device 3 is set to the public communication network 2 Even if a transmission radio wave signal is transmitted from the portable terminal device 3 to the public communication network 2, that is, the second wireless network 2 in order to register to the public communication network 2, it cannot be received by the public communication network 2. Since it is located in the range, the detection circuit 3
Reference numeral 6a denotes a transmission prohibition signal 306 that prohibits the useless transmission radio wave signal transmission operation to the public communication network 2.
To activate and output.

The output transmission prohibition signal 306 is inputted to the transmission circuit 37c, the control circuit 39 and the transmission prohibition display circuit 36 in order to prohibit the transmission operation for the public wireless network 2. When the transmission prohibition signal 306 becomes active, the transmission circuit 37c stops the amplification of the transmission signal 307c for the public wireless network 2, and the control circuit 39 transmits the transmission signal 307c for the public wireless network 2. Stop. Therefore, in the portable terminal device 3, the transmission operation for the public wireless network 2 is stopped, and only the reception operation is possible. Further, the transmission prohibition display circuit 36 to which the transmission prohibition signal 306 is input.
Is a light emitting display element such as an LED (transmission prohibition indicator lamp)
When the transmission prohibition signal 306 becomes active, the light emitting display element emits light to prohibit the portable terminal device 3 from transmitting the transmission signal to the public wireless network 2. That is, it is possible to display not only to the operator of the portable terminal device 3 but also to people in the vicinity.

That is, in the above-described embodiment, when the transmission prohibition signal 306 for the public wireless network 2 is active, the portable terminal device 3 transmits a radio wave signal for the public wireless network 2. Only the receiving operation can be performed without any information, and, for example, various railway business information 501 and multiple information 601 transmitted from the railway wireless network 1, that is, the first network 1.
When the railway operation information 501 is received, the desired operation is selected from the plurality of various railway operation information 501. Railway Business Information 5
When 01 is selected, the railway business information 501 is set in a state where the user can view and display the railway business information 501.

In the idle time when the public communication service is not provided, the railway business information 501 and the plural information 601 can be received and browsed, and the portable terminal device. Can be effectively utilized. Furthermore, even when the operator of the portable terminal device 3 gets on the train, the portable terminal device 3 does not send a wasteful radio wave signal to the public wireless network 1, and the battery is not consumed. It is possible to prevent wasteful consumption of the information, and to eliminate the possibility of adversely affecting users of medical electronic devices such as pacemakers around the portable terminal device. Further, by the operation of the transmission prohibition display circuit 36, not only the operator of the portable terminal device 3 but also those around the operator can make the portable terminal device 3 wirelessly communicate with the public wireless network 2. It can be confirmed that no radio signal is being transmitted.

Note that the transmission prohibition operation described above has been described as being performed when it is located in the service range A shown in FIG. 5 and in a region where communication with the public communication network 2 is impossible. However, the transmission prohibition operation of the present invention is not limited to the case of the service range A shown in FIG. The operation of prohibiting signal transmission may be performed, or even if it is located within a service range where communication is possible, for example, it is located in a public environment such as inside a station or inside a vehicle. In such a case, the operation of transmitting a radio wave signal such as position registration may be prohibited unless the operation of making and receiving a call is performed.

The combined reception signal 308 input to the information decoding circuit 39a is the railroad wireless network 1, that is, the first
Data 101 from the wireless network 1 of
In this case, the selection signal 309 output from the control circuit 39 based on the extraction / selection instruction from the operation unit 34.
The combined reception signal 308 is decoded according to b, and the decoded reception information 309a selected from the plurality of pieces of decoded reception information after decoding is output to the control circuit 39. The decoded reception information 309a is input to the control circuit 39 (a control circuit having an identification unit that identifies the type of information), and the information identified as image information in the decoded reception information 309a is displayed as the display signal 303. The information displayed on the display unit 33 and identified as the voice information in the decoded reception information 309a is output from the speaker 32 as the voice output signal 302.

Therefore, the railway wireless network 1, that is, the network data 1 from the first wireless network 1
In the case where the multiplex information 401 in which the multiple information 601 is multiplexed is provided as 01, by demultiplexing the multiplex information 401 by the demultiplexing means in the information decoding circuit 39a, the original information Plural plural information 60
1 and the selection signal 3 output from the control circuit 39 based on the instruction of extraction / selection from the operation unit 34 from among the plurality of pieces of decoded reception information after the decoding of the plurality of information 601.
09b, desired information is extracted and selected, and when the railway business information 501 is provided as the network data 101, in the information decoding circuit 39a, a plurality of pieces of information after the railway business information 501 are decrypted are decrypted. The selection signal 3 output from the control circuit 39 based on the extraction / selection instruction from the operation unit 34 from the decoded reception information of
Desired information is extracted and selected according to 09b, and the selected decoded reception information 309a is output to the control circuit 39 and output to information output means such as the display unit 33 and the speaker 32.

Then, the received multiple information 601 or multiple railway business information 501 is received, and from the received multiple information 601 or multiple railway business information 501, it is as if the broadcasting station. It is possible to extract and select desired information, output it to the display unit 33 and / or the speaker 32, and view and / or view the display, as if selecting the receiving channel.

[0089]

As described above, according to the wireless network system and the terminal device of the present invention, the following effects are brought about.

That is, the base station is provided with a base station capable of transmitting a radio wave signal to the railroad wireless network used for railroad business such as in trains and station yard, that is, the first wireless network. Receives the railway business information from the railway business department and transmits it as network data to the first wireless network, or when the railway business information is not received from the railway business department, the Internet or other By receiving various information from an external network, FM character multiplex broadcasting, TV character multiplex broadcasting, or reading information previously recorded and stored in a storage-type server, multiple types of various information obtained are multiplexed. , A plurality of multiplexed information is transmitted as network data to the first wireless network. By providing a means for providing such information, it becomes possible to utilize it as an effective information provision time zone even in a vacant time zone when the railway business information does not exist, and at the same time, it is possible to use equipment and general equipment already used for railway business. Since the wireless network system according to the present invention can be constructed by diverting the equipment used in the broadcasting network or the Internet, it can be introduced easily and at low cost.

Further, as a terminal device used in the wireless network system according to the present invention, a mobile phone terminal or the like capable of transmitting and receiving a radio wave signal to and from a general public communication network, that is, a second wireless network. This portable terminal device is equipped with means capable of transmitting and receiving radio wave signals from the railway wireless network as well, so that only one terminal device can be used as a general public communication network, that is, a second wireless network. Not only is it possible to send and receive radio wave signals such as telephones to and from, but also to receive railway business information such as ticket release information through the railway wireless network, that is, the first wireless network. It is also possible to receive it.

Further, the portable terminal device according to the present invention is
Through the railroad wireless network, that is, the first wireless network, not only a plurality of pieces of railroad business information but also a plurality of pieces of multiplexed information such as the Internet and FM / TV teletext broadcasting information are received, and the plurality of pieces of received information or a plurality of pieces of information are received. It is also possible to extract and select desired information as if selecting a receiving channel of a broadcasting station from among the railway business information, and view and / or browse.

Furthermore, the location range of the portable terminal device is
In the case of being in a service range where communication with the second wireless network that is a public communication network and / or the first wireless network that is a railway wireless network is impossible, or even if communication is possible, In the case where the call origination / termination operation is not performed, the useless transmission of the radio wave signal is prohibited, so that the battery consumption can be prevented and the portable terminal device 3 can be prevented. Even when the operator of the vehicle gets on a train, there is no fear of adversely affecting the user of medical electronic equipment such as a pacemaker.

[Brief description of drawings]

FIG. 1 is a network configuration diagram showing an example of a network configuration as an embodiment of a wireless network system according to the present invention.

FIG. 2 is a schematic diagram showing how network data is switched in the wireless network system according to the present invention.

3 is a device configuration diagram showing an example of an embodiment of a plurality of information providing means shown in FIG. 1. FIG.

FIG. 4 is a front view showing an example of an external appearance of a portable terminal device (that is, a portable terminal device) according to the present invention.

FIG. 5 is a conceptual diagram showing a relationship between a service range of a railway wireless network, that is, a first wireless network and a service range of a public communication network, that is, a second wireless network.

FIG. 6 is a flowchart showing an example of an operation when the portable terminal device according to the present invention moves within the service range of each wireless network shown in FIG.

FIG. 7 is a block configuration diagram showing an example of a circuit block configuration of a portable terminal device applied to the wireless network system according to the present invention.

FIG. 8 is a network configuration diagram showing an outline of a railway wireless network system used for a conventional railway business.

FIG. 9 is a schematic diagram showing a state of network data of a conventional example when being transmitted to a railway wireless network.

FIG. 10 is a front view showing an appearance of a conventional portable terminal device.

FIG. 11 is a block configuration diagram showing a circuit block configuration of a conventional portable terminal device.

[Explanation of symbols]

1 ... Railway wireless network (first wireless network), 2 ... Public communication network (second wireless network), 3 ... Terminal device, 4 ... Base station, 5 ... Railway business department, 6 ... Plural information providing means, 31 , 31a ... antenna,
31b ... Built-in antenna, 32 ... Speaker, 33 ... Display section, 34 ... Operation section, 35 ... Microphone, 36 ... Transmission prohibition display circuit, 36a ... Detection circuit, 37a ... Reception circuit A, 37b
... reception circuit B, 37c ... transmission circuit, 38 ... diversity circuit, 39 ... control circuit, 39a ... information decoding circuit, 41 ...
Multiplexing device, 42 ... Switching device, 43 ... Transceiver device, 44
... Skyline signal generator, 61 ... Storage type server, 61a ... Manual input device, 61b ... External input I / F, 61c ... Recording device (record storage device), 61d ... Readout device, 62 ... Internet connection device, 62a ... Line connection device, 62b ... C
PU, 62c ... Output device, 63 ... FM text multiplex broadcast receiving device, 63a ... FM broadcast receiving device, 63b ... Selection device,
63c ... Output device, 64 ... TV teletext broadcast receiving device,
64a ... TV broadcast receiving device, 64b ... selecting device, 64c
Output device 71 External network 71a External database 72 Internet 72a Internet connection provider device 72b Personal computer 72c
... public wire line network, 73, 74 ... antenna, 101 ... network data, 301 ... display content, 302 ... audio output signal, 303 ... display signal, 304 ... operation signal, 305
... voice input signal, 306 ... transmission prohibition signal, 307a ... reception signal a, 307b ... reception signal b, 307c ... transmission signal, 308 ... combined reception signal, 309a ... decoding reception information,
309b ... Selection signal, 401 ... Multiplexing information, 402 ... Switching information, 404 ... Skyline signal, 501 ... Railway business information, 6
01 ... Plural information, 601a ... Storage type server information, 601
b ... Internet information, 601c ... FM character multiple information, 601d ... TV character multiple information.

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) // B61L 25/02 H04Q 7/04 Z

Claims (11)

[Claims] 1. A base station which is connected to a railway wireless network used in the railway business and transmits and receives first information about the railway business obtained from the railway business department by a radio wave signal in a frequency band for the railway wireless network. In a wireless network system including a terminal device that transmits and receives the first information by a radio wave signal in the frequency band for the railway wireless network, the base station may provide second information that is not related to a railway business. Second that can
In a free time zone connected to the information providing means and in which the first information regarding the railway business to be transmitted / received does not exist, the second information obtained from the second information providing means is switched to, Switching means capable of transmitting and receiving second information to and from the railway wireless network by a radio wave signal in the frequency band for the railway wireless network, while the terminal device is received from the railway wireless network. From the first information, or
A wireless network system comprising an information output unit capable of extracting and selecting desired information from the second information and outputting it. 2. The wireless network system according to claim 1, wherein the base station multiplexes a plurality of the second information obtained from a plurality of the second information providing means, and the multiplexing means. The plurality of second information multiplexed by the converting means can be transmitted to and received from the railroad wireless network by a radio wave signal in the frequency band for the railroad wireless network, while the terminal device is connected to the railroad wireless network. A separating unit for demultiplexing the plurality of multiplexed second information received from the network, and extracting desired information from the plurality of second information demultiplexed by the separating unit. A wireless network system characterized by being able to select and output. 3. The wireless network system according to claim 1, wherein the second network is connected to the base station.
The information providing means records and accumulates information input by using the information input means provided in the second information providing means and / or information connected to an external network and received through the external network. A wireless storage system comprising: an information recording unit capable of performing the above-mentioned storage; and a reading unit capable of reading the information recorded and accumulated in the information recording unit as the second information. Network system. 4. The wireless network system according to claim 1, wherein the second information providing unit connected to the base station can connect to the Internet via a public line network. A connection unit and an information output unit capable of processing information obtained from a server device or information terminal device existing on the Internet connected by the line connection unit and outputting the processed information as the second information. A wireless network system comprising: an Internet connection device. 5. The radio network system according to claim 1, wherein the second information providing means connected to the base station is capable of receiving a radio wave signal of FM broadcast. FM character multiplex broadcasting reception comprising a receiving means and an information output means capable of selecting FM character multiplex information from the received radio wave signals of the FM broadcast and outputting it as the second information. A wireless network system comprising a device. 6. The radio network system according to claim 1, wherein the second information providing means connected to the base station is capable of receiving a radio wave signal of TV broadcast. TV character multiplex broadcasting reception comprising receiving means and information output means capable of selecting TV character multiplex information from the received radio wave signals of the FM broadcast and outputting it as the second information. A wireless network system comprising a device. 7. The wireless network system according to claim 1, wherein the information output means of the terminal device forming the wireless network system should extract, select, and output desired information. It is characterized in that it is provided with an identifying means for identifying whether the information consists of image information and / or audio information, and can output to the image display means and / or audio output means based on the identification of the identifying means. And wireless network system. 8. The terminal device constituting the wireless network system according to claim 1,
Information can be transmitted / received to / from a first wireless network indicating the railway wireless network by a radio wave signal in a first frequency band indicating the frequency band for the railway wireless network, and further, from a general public communication network. A terminal device, comprising: a transmitting / receiving unit capable of transmitting / receiving information to / from the second wireless network by a radio wave signal in a second frequency band indicating a frequency band for a public communication network. 9. The terminal device according to claim 8, wherein, based on a radio wave signal received from the first and / or the second wireless network, the terminal device is
And / or detection means for detecting a communication availability state indicating whether or not the communication area with each of the second wireless networks is present, and the communication availability state detected by the detection means is detected. A terminal device comprising a service range display means capable of displaying. 10. The terminal device according to claim 8 or 9, wherein the terminal device is based on a radio wave signal received from the first and / or second wireless network,
It is detected that each of the first and / or second wireless networks is not in a service range in which communication is possible, and even if the service is in a service range in which communication is possible, the wireless network is connected to the wireless network. Is provided with a detection means capable of detecting that the operation for making and receiving calls is not performed, and that the detection means is not in the service range,
Alternatively, for the first and / or second wireless network in which it has been detected that a call origination / termination operation has not been performed, a radio having a frequency band of the detected first and / or second wireless network is used. A terminal device, comprising: a transmission prohibition unit that prohibits a radio signal transmission operation. 11. The terminal device according to claim 10, wherein the transmission prohibition unit can display that the transmission operation to the first and / or second wireless network is prohibited. A terminal device comprising: a transmission prohibition display means that can be used.