JP3017925B2 - Mobile communication terminal and mobile communication method - Google Patents

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 for information communication equipment.
The present invention relates to a communication terminal and a mobile communication method .

[0002]

2. Description of the Related Art As a method of realizing mutual communication between a large number of terminals having a communication function, it is common to install an exchange control station for controlling connection.

[0003] For example, a mobile phone is provided with a number of base stations covering a certain area, and subscribers communicate via the base stations. In order to make a communication connection in response to a communication connection request from a user, it is necessary to know in advance what kind of communication terminal is to be connected to the base station.

[0004] In other words, pre-registration of the terminal is required, and it is not possible to connect to an unspecified number of partners. Further, since it is necessary to install a base station for each fixed area, its application is limited to a large-scale communication service for charging a car phone or the like.

[0005] Further, as a method for relatively easily realizing mutual communication between a large number of terminals without charging, TCP /
There is a wireless LAN using the IP protocol.

[0006] This wireless LAN has several hundred kHz-10
When it is desired to perform communication with a bandwidth of MHz, the packet signal is transmitted in bursts after confirming that there is no radio wave. A communication terminal within the range of radio waves takes in an identification number addressed to itself from a received signal when the identification number is assigned to the terminal.

In other words, in this system, it is necessary that the transmitting communication terminal knows the identification number of the communication terminal of the receiving party in advance. In addition, many wireless LANs use simple base stations, so that the communication terminal can freely move is limited to a range where radio waves from the base station can reach, and communicates with an unspecified number of partners at an arbitrary place. It is not possible.

[0008] Further, information devices incorporating a CPU (Central Processing Unit) are becoming more personalized and smaller, like personal computers and personal portable information devices.

[0009] When transmitting the contents of the text created on these portable information devices and personal computers to other people,
It is common to print on paper and hand it.

[0010] However, once the information is printed on paper and transmitted, the recipient must manually re-enter the entire text from the keyboard in order to reuse the content on his or her own information device. Could not be reused.

In particular, when the content transmitted on paper is a complicated picture, it is virtually impossible to reuse the picture.

Therefore, portable information devices have been mainly used so far to assist personal work.

In addition, as a result of the progress of personalization of personal portable information devices as described above, not only these devices can be used alone, but also communications from other information devices can be received. The one with the added function came to be devised. These are mainly intended to enable data transfer between a host computer connected to a wired LAN installed in a company or the like and a portable information device.

That is, by connecting a personal information terminal to a mobile phone, the personal information terminal is connected to a host computer via a public telephone line so that an e-mail addressed to the user can be read at an arbitrary place on the go. In this case, the location where the portable information device is used is not limited, but the other party that can be connected is limited to a known party that can be connected from a public network such as its own host computer.

On the other hand, in a situation where many people have portable information devices, a function that can transfer electronically created information between them is required.

[0016] Further, it is desirable that the communication connection procedure between these portable information devices not only requires simplicity as close as possible but also allows communication connection with an unspecified number of partners.

For example, when a salesman explains a sales promotion to a customer with a portable information device storing sales information, the name of the customer is often unknown. In most cases, it is almost impossible to know in advance the device identification number of the portable information device held by the customer.

There is a need for a technology that can easily set communication with portable information devices owned by an unspecified number of partners. Further, it is desirable that various types of multimedia information, such as bitmap-compatible screen information and band-compressed moving images, can be handled. Further, the number of persons who exchange information at the same time is not limited to one person, and it is desired that information can be exchanged with a plurality of persons at the same time.

As a portable information device having a communication function, a method of communicating with each other using infrared rays is known, but this method can be performed only between two portable information devices, and It is necessary to install the transmitter of one portable information device and the receiver of the other portable information device so as to face each other. In addition, communication becomes impossible if there is a shield between portable information devices that are a little away from each other. Further, the information transmission speed at which the information can be transmitted is low, and practically the information that can be transmitted is limited to text documents and the like.

[0020]

As described above, in order to perform communication between conventional portable information devices, it is necessary to register the device identification number of the communication partner in advance, so that the number of partners that can be connected is limited. , Limited use places, relatively complicated connection procedure, low information transmission speed, inability to handle various types of media, and the inability to exchange information among multiple people at the same time. there were.

The present invention has been made in view of this point.
Its purpose is, makes it possible to communicate between a plurality of portable information devices only bring together the portable information equipment anywhere mobile
A communication terminal and a mobile communication method are provided.

[0022]

SUMMARY OF THE INVENTIONMobile communication terminal
Is a selfMoveCommunication terminal identification for identifying communication terminals
Communication terminal identification information transmitting means for transmitting information;Move
Communication terminal identification that receives communication terminal identification information from the communication terminal
The separate information receiving means and the communication terminal identification information receiving means.
Communication is possible based on the communication terminal identification information receivedMovecommunication
Communicable terminal identification means for identifying a terminal;
Communicable identified by terminal identification meansMoveCommunication terminal
One or more ofMoveUse the same group
Group setting means to set as a group and this group
Within the same group set by the setting meansMoveCommunication end
And information transmission means for transmitting information at the end.
You.

[0023]

[Operation] A mobile communication terminal having the above configuration will be described.

The communication terminal identification information transmitting means transmits communication terminal identification information for identifying its own mobile communication terminal. That is, identification information unique to the own mobile communication terminal is transmitted, for example, periodically.

[0025] Communication terminal identification information receiving means receives communication terminal identification information from another mobile communication terminal.

The communicable terminal identification means identifies a mobile communication terminal capable of communication based on the communication terminal identification information received by the communication terminal identification information receiving means. For example, when the information devices are located apart from each other, the communication terminal identification information is not received. When the information devices approach, the information device is received and determined to be communicable.

The group setting means sets the one or more mobile communication terminal of the mobile communication terminal capable of communicating identified by the communicable terminal identification means as the same group. Thus, it is possible to prevent a communication connection with a nearby party who does not want to communicate, which is contrary to the intention of the user. Also, even when two or more groups are nearby, communication can be performed in a form independent of each other. Note that whether or not they are in the same group is determined by determining that communication is possible, and then displaying the identification information of the mobile communication terminal or any information attached thereto, for example, the name of the user of the information device on its own information device. Can be set by the user selecting from the displayed communication terminal information.

[0028] The information transmitting means transmits information to the mobile communication terminals in the same group set by the group setting means.

[0029]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment Hereinafter, a communication control device 100 according to a first embodiment of the present invention will be described with reference to the drawings. The communication control device 100
Is intended for use in portable information devices.

FIG. 1 is a block diagram of the communication control device 100. The communication control device 100 includes a user information processing unit 10
1, a communication control unit 102, and a wireless transmission / reception unit 103.

The user information processing unit 101 is a part for executing a so-called application, and a communication control unit 102
Is a part that performs communication control, and the wireless transmission / reception unit 103
Is a part that performs various processes for transmitting and receiving various control information generated by the communication control unit 102 and transmission information generated by the user information processing unit 101 via wireless.

The transmission / reception state of the communication control device 100 will be described below.

The communication terminal identification information generator 11 periodically generates its own communication terminal identification signal. This communication terminal identification signal is sent to the control channel modulator 21.

The transmission user information is stored in the user information processing unit 10
1 to the destination header generator 12. Group designation information for designating a group to which the transmission user information is transmitted is input from the user information processing unit 101 to the group setting unit 13 at the same time.

The group setting unit 13 outputs the identification information of the other communication terminal belonging to the group to the destination header generation unit 12 based on the received group designation information.

The destination header generation unit 12 adds the identification information of the communication terminal of the other party to the transmission user information as a destination header,
Output to the information channel modulator 22.

An information channel for transmitting an information signal and a control channel for transmitting a control signal are separated from each other by, for example, frequency division. Then, the information channel modulator 22 and the control channel modulator 21 perform modulation according to each channel.

The signals output from the information channel modulator 22 and the control channel modulator 21 are multiplexed by a multiplexing circuit 23, frequency-converted to a high frequency by a multiplier 24, and amplified to an appropriate power by a power amplifier 25. After that,
The broadcast is transmitted from the antenna 31 via the duplexer 30.

On the other hand, various information signals from other stations received by the antenna 31 are converted from a high frequency to a baseband band by the down-converting unit 26 via the demultiplexer 30, and then separated by the separating circuit 27. , Are guided to a control channel demodulation unit 28 and an information channel demodulation unit 29, and are demodulated into reception control information and reception user information, respectively.

In the reception user information signal output from the information channel demodulation section 29, the destination header added to the user information is checked by the destination header identification section 17, and whether or not the reception user information is information addressed to the own station is determined. Is identified. If it is addressed to its own station, the received user information
1 and discard if not addressed to the own station.

As described above, transmission of the communication terminal identification number of the own station and transmission / reception of user information between the communication terminals in which the group is set are performed.

The group setting is performed as follows.

As described above, the communication terminal identification information generating unit 1
The communication terminal identification signal generated from 1 is periodically transmitted from the antenna 31 via the wireless transmission / reception unit 103.

On the other hand, the communication terminal identification information transmitted from another communication terminal is converted into a baseband signal via the antenna 31, the duplexer 30, and the down converter 26. afterwards,
The signal of the control channel is separated by the separation circuit 27 and guided to the control channel demodulation unit 28.

From the control channel demodulation unit 28, communication terminal identification information obtained by performing predetermined demodulation is output to the communicable terminal identification unit 14.

The communicable terminal identification unit 14 can communicate with the communication terminal when the received control information includes the communication terminal identification information and the signal is repeatedly received within a certain time. It determines that there is, and outputs the communication terminal identification information to the comparison circuit 16 and the communicable terminal storage unit 15.

The comparison circuit 16 includes a communicable terminal identification unit 14
Is compared with the communication terminal identification information stored in the communicable terminal storage unit 15, and a control signal is output to the communicable terminal storage unit 15 according to the comparison result.
If the comparison results match, the communicable terminal storage unit 1
Since there is no need to rewrite the contents of No. 5, no control signal is output from the comparison circuit 16 to the communicable terminal storage unit 15. On the other hand, when the comparison results do not match, a control signal is output to update the contents of the communicable terminal storage unit 15.

As described above, when the portable information device including the communication control device 100 comes close to the terminal and the radio waves transmitted from each other are received with the electric field strength of a certain level or more,
The periodically transmitted communication terminal identification information is received, and the communication terminal identification information is newly added to the communicable terminal storage unit 15.

The contents of the communicable terminal storage unit 15 are also guided to the user information processing unit 101 and the group setting unit 13.

The user information processing unit 101 selects one or a plurality of communication partners who desire communication from the communicable terminals indicated by the communicable terminal storage unit 15, and sends a setting command signal to the group setting unit 13. Output.

The group setting unit 13 creates and holds a correspondence table between the communication terminal identification information indicated by the communicable terminal storage unit 15 and the group to be set according to the setting command signal.

In this way, a logical communication link is established between the communication terminals belonging to the group. Here, the logical communication link is a communication terminal capable of communicating with each other, and a communication terminal that desires communication is set in one group, and a communication terminal in this group is assigned to a user. Refers to connecting to a communicable state without performing any special operation or processing.

A plurality of groups may be set, and a certain communicable terminal may be registered in a plurality of groups.

For example, A1,
When the identification information of the five communication terminals including A2, A3, A4, and A5 is stored, the user information processing unit 101
Can register A1, A2 and A3 as group B1 and A1 and A4 as group B2. When the user information processing unit 101 transmits data, as described above, the transmitting user information is output to the destination header generating unit 12, and the group B1 or B2 indicating the transmission partner is output to the group setting unit 13, The user information is broadcast to only the portable information devices belonging to the group. The method of transmitting the broadcast will be described later.

After the portable information device equipped with the communication control device 100 comes nearby and the communication terminal identification information is stored in the communicable terminal storage unit 15, the radio wave which can be mutually received by moving away from the terminal again is transmitted. When the electric field strength is below a certain level,
The communication terminal identification information that has been received periodically is no longer received. The control operation in this case will be described.

The communicable terminal identification section 14 has a function of identifying the communication terminal identification information from the received control information, and additionally, the communication terminal identification information stored in the communicable terminal storage section 15 has a constant frequency. It is also determined whether or not it is pending and received.

For example, if certain communication terminal identification information is not received at all for a certain period of time, the portable information device determines that communication is not possible, and outputs the communication terminal identification information to the communicable terminal storage unit 15. The communication terminal identification information is removed from the communicable terminal storage unit 15.

Since the user information processing section 101 has received the communication terminal identification information stored in the communicable terminal storage section 15, it can detect that communication has been disabled.

As described above, the portable information device provided with the communication control device 100 has the following effects.

The portable information devices can communicate with each other only by approaching them, and a logical communication link with a desired partner can be set anywhere. Further, the set communication link automatically disappears when the portable information device moves away and becomes unable to communicate.

Since the portable information devices can set a communication link with a desired partner only by approaching each other, there is no need to set the address number or the like of the partner in advance, and the communication link can be easily set even with the first meeting partner.

Since broadcast communication with a plurality of communication terminals can be performed,
Simultaneous connection service with multiple terminals is possible.

The electric field strength of the radio has a distance of 6 near the antenna.
Although it attenuates by the power and attenuates by the cube of the distance even at a short distance, the communication control device 100 according to the present invention only needs to operate when approaching, so that high-speed data transmission is possible.

For example, the current wireless LAN has a radius of 200 m.
Area, but in the present invention, a radius of 10 to 2
The object can be sufficiently achieved at 0 m. When transmitting with the same power, the present invention compares (200/2) with a radius of 20 m.
0) ** 3 = Even if transmitted at a transmission speed of 1000 times, it can be received at almost the same bit error rate. Conversely, when transmitting at the same transmission speed, the transmission power can be reduced by 30 dB, so that the battery can be downsized.

Radio interference with other systems can be significantly reduced.

As described above, according to the present invention, it is possible to provide a communication service capable of obtaining various special effects.

In practicing the present invention, various functions can be added.

In the communication control device 100, a communication terminal within a range of a radio wave is identified as a communicable terminal. When the range of radio waves increases, the transmission throughput decreases because the wireless communication medium is shared with other groups.

FIG. 3 shows an example of use of a portable information device having the communication control device 100.

The communication terminals C1, C2, C
3 belong to the group D2, and the communication terminals C4 and C5 belong to the group D2. Although completely different communication links are set for the group D1 and the group D2, when the groups D1 and D2 are within a range where radio waves can reach each other, five units share the same wireless communication medium. On the other hand, if the groups D1 and D2 are out of range of each other, the wireless communication medium can be dedicated to each group.

Next, the procedure for transmitting data by broadcasting will be described in more detail.

In the case of wired communication, even if the same content is transmitted, a plurality of transmissions are required to transmit the same content to a plurality of partners. For example, some facsimile machines have a broadcasting function, but even in this case, data is not broadcasted on the transmission path but is sequentially transmitted to a plurality of parties. It's just That is,
To transmit to N locations, N transmissions are required.
In the radio communication, since radio waves arrive at the same time, the number of transmissions can be reduced by devising a destination header added to the transmission signal.

In FIG. 3, terminal C is included in group D1.
1, C2 and C3 belong. At this time, in the group setting unit 13 of the terminal C1, the setting is made such that C2 and C3 are set as a group.

Similarly, in the group setting section 13 of the terminal C2, the setting of C1 and C3 as a group is
In the third group setting unit 13, setting is made such that C1 and C2 are groups.

The data transmission between the terminals C1, C2 and C3 is performed as follows. FIG. 4 shows a transmission data format.

At the head of the packet, a packet header indicating the beginning of the packet is added. There are various methods for identifying the packet header, but a special bit pattern is assigned to the packet header, and when the same pattern appears in a portion other than the packet header, an extra dummy bit is inserted into the HDLC procedure of the CCITT recommendation. Is known.

The packet header is followed by a control signal section and an information bit section.
An RC bit is provided.

The control signal section is further divided into a packet length indicating section, a destination header length indicating section, and one or more destination headers. The packet length indicator indicates the length of the entire packet. The destination header length indicating section indicates the number of parties to which this packet is to be broadcast, and this signal allows the receiving terminal to recognize the boundary between the destination header and the information bit section. Communication destination identification information of the transmission destination is written in the destination header section.

In the group D 1 shown in FIG. 3, when the terminal C 1 transmits, the destination header generation unit 12 sends a packet header and a packet header according to the instruction from the group setting unit 13.
A control signal part and a CRC are added. In the destination header generation unit 12, since the broadcast is transmitted to the two stations, 2 is written in the destination header length designating unit, and the terminal C
2 and the communication terminal identification information of the terminal C3 are respectively written in the destination header.

Next, the operation of the destination header identifying unit 17 of the terminal C2 or C3 will be described in detail. Destination header identification unit 17
Detects the packet header from the received signal, reads the signal of the packet length indicator and the signal of the destination header length indicator following the packet header.

Next, the signal of the destination header part identified by the destination header length designating part is compared with the own station terminal identification number,
When the terminal identification number of the own station is included in the destination header section, the reception signal having the length indicated by the packet length indication section is extracted. Next, a reception error check by CRC is performed, and a reception signal is output to the user information processing unit together with the result of this determination.

The CRC is for determining the presence or absence of an error contained in a received signal. When an error is detected, data transmission / reception can be performed with high reliability by requesting retransmission of the data. If the degree is not required, it may be omitted.

Thus, by transmitting only one packet from the terminal C1, data transmission is simultaneously performed to a plurality of terminals C2 and C3.

In the above-described example, the terminal identification information of each terminal is used as a destination header signal when transmitting data in a broadcast manner. However, after the group D1 is set, the terminal C
The group number may be appropriately set and shared among the groups C1, C2, and C3, and the destination header generation unit 12 may write the group number in the destination header. In this case, the destination header length indicating section in FIG. 4 can be omitted. In this case, the destination header identification unit 17 identifies and detects the group number.

In any case, by adding the terminal identification numbers or group identification numbers of a plurality of destinations to the transmission data as destination headers, signals can be transmitted to a plurality of destinations in a single transmission by a single transmission. Can be used effectively, and as a result, data transmission can be performed smoothly and a convenient service can be provided. This effect is particularly remarkable when the data to be transmitted is a large-capacity signal such as an image signal.

After a group has been set and a logical communication link has been set, it is desirable to reduce the transmission power as much as possible within a range where communication with communication terminals belonging to the group is possible.

Further, when the communication terminal during a call moves a little and the radio wave becomes difficult to reach, by slightly increasing the transmission power, communication interruption can be prevented.

(Second Embodiment) FIG. 2 is a block diagram of a communication control device 200 according to a second embodiment to which these functions are added.

In this embodiment, the power amplifier 25 of the embodiment shown in FIG. 1 is replaced with a variable amplifier 41, and a line quality monitor 42 is added.

As in the embodiment shown in FIG. 1, when the communicable terminal identification unit 14 detects the same communication terminal identification signal within a predetermined time and identifies it as a new communicable terminal, the identification information becomes the communicable terminal. Input to the storage unit 15 and the comparison circuit 16,
As a result, the contents of the communicable terminal storage unit 15 are updated.

At this time, the comparison circuit 16 sends the variable amplifier 4
A power control signal is output to 1 to reduce transmission power. The line quality monitoring unit 42 evaluates the line quality by calculating the number of error bits included in the communication terminal identification information every time the communication terminal identification information is received from the communicable terminal identification unit 14, and obtains the obtained information. The channel quality information is returned to the communication terminal via the control channel modulator 21.

On the other hand, line quality information regarding the line from the own station to the partner terminal is returned from the partner terminal.

The line quality information addressed to the own station received by the line quality monitoring unit 42 via the control channel demodulating unit 28 and the communicable terminal identifying unit 14 indicates the line quality from the own station to the partner station. If the line quality is equal to or less than a certain level, a control signal is output to the variable amplifier 41 to slightly increase the transmission power to improve the line quality from the own station to the other station.

In this way, when a new communicable terminal is detected, the transmission power is gradually reduced, and the line quality is monitored mutually, and the result is fed back to the transmitting station. , A certain line quality is maintained.

That is, the transmission power is reduced in a range where the line quality does not fall below a certain value. Also, when the line quality is deteriorated during a call, the line quality is monitored, so that the transmission power is increased and the line quality is restored.

This line quality can be checked as follows.

Since control information generally requires a high degree of reliability, after performing error correction coding, CRC information for error detection is added and transmitted.

After error correction is performed on the received raw data, the presence or absence of an error is checked by a CRC check. Here, when the line quality is slightly deteriorated, bit errors occurring on the transmission path increase.

However, if no error is detected in the CRC check after the error correction, all errors that have occurred in the transmission path have been corrected.

In this case, by comparing the received raw signal with the error-corrected signal, an error occurring on the transmission path is detected, and the line quality information can be obtained by observing the number of errors. it can.

In the embodiments shown in FIGS. 1 and 2, communication terminal identification information for identifying a communicable partner is transmitted periodically, but the present invention is not limited to this.

For example, the communication terminal identification information may be set to be transmitted in response to a signal requesting transmission of the communication terminal identification information.

In this case, first, a communication terminal desiring a communication connection transmits a transmission request signal for communication terminal identification information,
All communication terminals receiving this signal transmit their own communication terminal identification information. As described above, the transmission procedure or transmission timing of the communication terminal identification information is not particularly limited, and each communication terminal transmits its own communication terminal identification information at some time in order to mutually recognize the communicable parties. Just send it.

The group setting is performed by a signal from the user information processing unit 101. In order to enable simple group setting, for example, it is desirable that a list of terminals in a communicable state is displayed on a display and a user can select from the list.

By the way, generally, the communication terminal identification information is a unique binary number different from each other, and the meaning cannot be easily identified for the user.

Therefore, it is convenient to add additional information that can be rewritten at any time from the user information processing unit to the communication terminal identifier. As the additional information, various types of information such as text information and image information are possible.

That is, the additional information is added to the communication terminal identification information generated by the communication terminal identification information generation unit 11 and the receivable terminal identification information transmitted from the communicable terminal storage unit 15 to the user information processing unit 101. Then, the user information processing unit 101 displays the added additional information on a display according to the form of the information.

In this way, the user can set a logical communication link with a desired partner by selecting a user name displayed on the display, a photograph of the user's face, a trade mark, and the like. It becomes easy to do group setting with.

In the present embodiment, the control channel and the information channel of the radio transmission / reception section 103 have been described as being separated in frequency. However, the radio transmission / reception section 103 is not particularly limited to this system. For example, the wireless transmission / reception unit 1
03 is CSMA / CA widely used in wireless LAN
As a method, a wireless communication medium may be shared among a plurality of communication terminals.

The wireless transmitting / receiving section 103 can be replaced by a wire. In this case, the portable information device including the communication control device 100 according to the present invention is a terminal that can communicate by being connected by wire. Although the usability is reduced as compared with the case where the wireless transmission / reception unit 103 is provided, the basic communication function is guaranteed as in the case of the wireless communication.

(Third Embodiment) In a third embodiment of the present invention, communication terminals exchange messages of the format shown in FIG. The message is provided with a destination address, a source address, and a data length. The destination address is an arrangement of one or more terminal addresses or an identifier of a group assigned to a plurality of terminals.

When each communication terminal receives a message from another terminal, it reads out the source address and stores it in the communicable terminal identification unit together with the reception time. When a message having the same transmission source address is received again, the reception time is updated.

When a certain time has elapsed from the reception time stored in the communicable terminal identification section, the address of the communication terminal is deleted from the communicable terminal identification section.

However, when there is no data to be transmitted, even if communication is possible, the data is deleted from the communication terminal identification unit. Broadcast a message that does not include data during a time interval set shorter than the time interval to be performed and has a data length of 0.

The communication terminal that has received the message with the data length set to 0 reads only the source address,
The reception time of the communicable terminal identification unit is updated, and the message is discarded.

FIG. 6 is a configuration diagram of the communication terminal 300 of the present embodiment in FIG.

The destination header processing section 302 receives the user data from the user information processing section 304, generates a destination header according to the information set in the group setting section 306, and adds the destination header to the user data to generate a transmission message. . The timer 308 is set at the same time as generating the transmission message. If the timer 308 is not set again within a predetermined time, the timer 308 notifies the destination header processing unit 302 of a timeout.

In the destination header processing unit 302, the timer 30
When the timeout is notified from 8, a transmission message for broadcast having a data length of 0 is generated.

The transmission message generated by the destination header processing unit 302 is modulated by the modulation unit 310, then multiplied to the transmission frequency by the multiplication unit 312, amplified by the power amplifier 316, and transmitted from the antenna 314.

On the other hand, the received message received from antenna 314 is demultiplexed to a baseband signal by demultiplexing section 320 via demultiplexer 318, demodulated by demodulation section 322, and then input to destination header identification section 324.

The destination header identification section 324 extracts the source address from the received message and identifies a terminal that can currently communicate.

Information on the communicable terminal identified by the destination header processing unit 302 is input to the comparison circuit 326, and is compared with the communicable terminal stored in the communicable terminal identification unit 328.

When the comparison circuit 326 detects a mismatch, the communicable terminal identification unit 328 updates the stored information of the communicable terminal based on the identification result of the destination header identification unit 324, and updates the user information processing unit 304. Notify the change.

The destination header identification section 324 checks whether or not the destination of the received message includes the own terminal. If the destination message is a message addressed to the own terminal, extracts the user data from the received message. 304
Output to At this time, even if the received message is broadcast, if the data length is 0, it is not output to the user information processing unit 304 and the message itself is discarded as it is.

In this embodiment, communication is performed using radio waves. However, it is also possible to use a light-emitting element such as an LED and a light-receiving element such as a photodiode and use an optical communication means such as an infrared ray. . Also in that case, the terminal identification means and the like can be realized with exactly the same configuration. This is the same in other embodiments of the present invention.

In the above embodiment, the message generated by the destination header processing unit 302 when the time-out is notified from the timer is broadcast. However, even if a dedicated address which is not assigned to any terminal or group is used. Obviously, a similar function can be realized.

In the present embodiment, unlike the first embodiment, a communicable terminal is identified using a message for transmitting user data, but only one message has a plurality of roles. , And have substantially the same configuration, and have the same effect.

(Fourth Embodiment) A fourth embodiment of the present invention will be described.

The communication terminal performs communication using N frequency-divided control channels and one data channel as shown in FIG. The control channels are assigned numbers from 1 to N.

The communication terminals use a control channel to inform other terminals of their existence, and exchange data with each other using a data channel.

When the power is turned on or reset, the communication terminal selects an unused control channel and continues to send a signal to the selected control channel.

When the other communication terminal detects that a signal has been sent to a control channel that has not been used, it determines that the new communication terminal has become communicable. Conversely, when the signal of the control channel used so far is no longer detected, it is determined that communication with the communication terminal that has transmitted the signal to the control channel becomes impossible.

FIG. 8 shows a configuration example of the communication terminal 400.

The communication terminal 400 controls the control channel modulator / demodulator 40 for each of the control channel and the data channel.
2 and a data channel modulation / demodulation unit 404, and an antenna 4
The signal received by 06 is separated for each channel by the distributor 408 and sent to each modem.

The control channel modulator / demodulator 402 monitors the control channel. The signal of each control channel is sent to the decision unit 4
10 is input.

If any terminal is using the control channel, a signal of a predetermined cycle is transmitted to the control channel, so that the judgment section 410 uses the signal received from each channel. Select no control channel. Send a signal to the selected control channel. The signal to be transmitted is a signal sequence having a constant time period, and differs for each terminal. The received signal sequence is stored in the memory 412 for each control channel.

The determination section 410 constantly compares the signal sequence stored in the memory 412 with the received signal sequence, and determines whether or not the same terminal as before has used the control channel.

[0138] The user information processing section 414 executes a user program. When communicating with another terminal, it requests the group setting unit 416 to set a group. When the group is created, the transmission data is passed to the frame generation unit 418 by designating the group.

The frame generation section 418 refers to the group information stored in the group setting section 416 to create a data frame for transmitting data to the specified group. The data frame includes the destination group identifier, the source terminal identifier, and the like in the user information processing unit 4.
14 is provided to the data passed from the server. The generated data frame is transmitted from the antenna 406 after being modulated by the data channel modem 404.

The communication terminal 400 searches for a free control channel at the time of initialization.

If there is no unused control channel, communication cannot be started.

When there are a plurality of unused control channels, various selection criteria can be applied, such as using a control channel having the smallest channel number or selecting a control channel at random.

When it is determined that the control channel i is to be used, a signal sequence is transmitted to the control channel i.

A signal sequence is defined as a sequence of 0s and 1s in a period X with a predetermined clock, and the same sequence is repeated every X time. In one cycle, Y 1s and Xs
-Defined to include Y zeros. This signal sequence is
The determination unit 410 is used to detect whether or not the terminal using the control channel has changed in the middle for each control channel, so that the probability of being different or having the same value for each terminal is sufficiently reduced. There is a need. Therefore, it is necessary to use a method of assigning a unique value in advance, randomly selecting a sufficiently large number, or selecting a value different from a signal sequence already used.

When a plurality of terminals are initialized almost at the same time, there is a possibility that the same control channel may be used. Therefore, the control channel used by itself is monitored, and other terminals use the same control channel. When it is detected that it is being used, the transmission of the signal sequence is stopped, and after waiting for a time determined stochastically according to a predetermined probability distribution, for example, an exponential distribution, an empty control channel is selected again. Also, depending on the positional relationship of the communication terminal 400, it may not be possible to receive signals from other terminals.

For example, as shown in FIG. 9, the communication terminal A can communicate with the communication terminals B and C, but the distance between the communication terminal B and the communication terminal C is longer than the reach of the radio wave. If the communication terminal B and the communication terminal C try to use the same control channel, the communication terminal A cannot know that the other communication terminal is using the control channel. For this, a problem arises because radio waves transmitted from any communication terminal can be received.

If communication terminal A does not exist and communication terminal B
If only the communication terminal C exists, no problem arises.

Therefore, the communication terminal A checks the bit pattern and, when the number of 1s included in the period X is different from Y, can know that a plurality of terminals are using this control channel. .

As described above, when detecting that a plurality of communication terminals are using the control channel on a certain control channel i, the detected communication terminal keeps outputting 1 for at least the period X.

The case of FIG. 9 will be described as an example.
When communication terminal A tries to use the same control channel i as communication terminal A, communication terminal A detects that a collision has occurred on control channel i, and communication terminal B and communication terminal C transmit control signal i. It is possible to detect that a collision has occurred at i.

When it is detected that a collision has occurred, another free control channel is searched, and after waiting for a random time, use of the control channel is started again.

By using such a mechanism, when a communication terminal capable of communication exists around, a control channel and a communication terminal capable of communication are associated one-to-one. Also, by storing the pattern of the signal sequence transmitted to each control channel in the memory 412, even if a communication terminal using a certain control channel changes in the middle for some reason, the change is not affected. Can be detected.

In this embodiment, the communication terminal has a one-to-one correspondence between the control channel and the terminal instead of directly transmitting its own identification symbol, and the identification symbol is substituted by the control channel. It has the same effect except that it changes each time the communication terminal is initialized.

[0154]

According to the present invention , it is possible to communicate only by approaching the mobile communication terminals, and it is possible to set up a logical communication link with a desired partner anywhere.

Further, the setting of the communication link is extremely simple, and it is not necessary to set the address number or the like of the partner in advance, and there is an advantage that the communication link can be easily set with the partner of the first meeting.

Further, since data can be transmitted / received to / from a plurality of mobile communication terminals simultaneously, cooperative work (CSCW) of information equipment having a communication function becomes possible.

Further, since a communication link can be set only by moving the mobile communication terminals closer to each other, when radio is used, the radio wave transmission distance is reduced to reduce radio interference,
High-speed data transmission that can also transmit multimedia information can be realized.

[Brief description of the drawings]

FIG. 1 is a block diagram of a communication control device according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a communication control device according to a second embodiment of the present invention.

FIG. 3 is a schematic view showing a use situation of the present invention.

FIG. 4 is a communication data format for broadcast transmission.

FIG. 5 is a diagram of a message according to the third embodiment of the present invention.

FIG. 6 is a frequency division diagram of a communication terminal according to a fourth embodiment of the present invention.

FIG. 7 is a block diagram of a communication terminal according to a fourth embodiment of the present invention.

FIG. 8 is a communication data format for broadcast transmission.

FIG. 9 is an overview diagram showing three communication terminals.

[Description of Signs] 101 User information processing unit 102 Communication control unit 103 Wireless transmission / reception unit 11 Communication terminal identification number generation unit 12 Destination header generation unit 13 Group setting unit 14 Communication enabled terminal identification unit 15 Communication enabled terminal storage unit 16 Comparison circuit 17 Destination header identification unit 21 Control channel modulation unit 22 Information channel modulation unit 23 Multiplexer 24 Multiplier 25 Power amplifier 26 Multiplier 27 Separator 28 Control channel demodulator 29 Information channel demodulator 30 Demultiplexer 31 Antenna 41 Variable amplifier 42 Line quality monitoring unit

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masako Sato 1-31 Oyodonaka, Kita-ku, Osaka-shi, Osaka Umeda Sky Building Tower West Toshiba Kansai Branch Office (72) Inventor Akihiko Sugikawa Osaka, Osaka 1-30 Umeda Sky Building Tower West, Kita-ku, Toshiba Kansai Branch, Toshiba Corporation (72) Inventor Teruhiko Umeda 1-30 Umeda Sky Building Tower West, Inc. 1-30 Oyodonaka, Kita-ku, Osaka-shi, Osaka (72) Inventor Kazuaki Iwamura 1-1-30 Oyodonaka, Kita-ku, Osaka-shi, Osaka Umeda Sky Building Tower West Co., Ltd. Toshiba Kansai Branch (56) References 298546 (JP, A) JP-A-6-276567 (JP, A) JP-A-5-204797 (JP, A) JP-A-5-69635 (JP A) JP-A-5-63679 (JP, A) JP-A-4-345235 (JP, A) JP-A-1-200838 (JP, A) JP-A-62-10687 (JP, A) JP-A-7 -297824 (JP, A) JP-A-7-298359 (JP, A) U.S. Pat. No. 5,771,352 (US, A) Proceedings of the 1994 IEICE Autumn Conference Communication 2, B-615, Iwamura Kazuaki et al. "Wireless Subnetwork, Wireless DN", p.213, Proc. Of the 1994 IEICE Autumn Conference, Communication 2, B-616, Yosuke Taka, et al. "Platform for portable information equipment centered on Wireless Dan", No. Page 214 1994 IEICE Autumn Conference Lecture Paper Communication 2, B-617, Akihiko Sugikawa, et al. "Face-to-face communication support by Wireless Dan", page 215 IEICE technical report, Vol. 93 No. 196, IN93-44, Hiroshi Shigeno et al., “Study on Autonomous Network Formation in Wireless LAN”, pp. 59-64 (58) Fields investigated (Int. Cl. ⁷ , DB name) H04L 12/28 H04B 7 / 26 101 JICST file (JOIS) WPI (DIALOG)

Claims (58)

(57) [Claims] 1. A communication terminal identification information transmitting means for transmitting communication terminal identification information for identifying a mobile communication terminal of the self, and a communication terminal identification information receiving means for receiving communication terminal identification information from another mobile communication terminal. Communicable terminal identification means for identifying a mobile communication terminal capable of communication based on the communication terminal identification information received by the communication terminal identification information receiving means, and a communicable terminal identified by the communicable terminal identification means.
Group setting means for setting one or more mobile communication terminals among the mobile communication terminals as the same group; information transmitting means for transmitting information to mobile communication terminals in the same group set by the group setting means; A mobile communication terminal comprising: 2. Communication for identifying its own mobile communication terminal.
A communication terminal identification information transmitting means for transmitting terminal identification information; and a communication terminal for receiving communication terminal identification information from another mobile communication terminal.
And Shin terminal identification information receiving means, the communication terminal identification the communication terminal identification information receiving means receives
Communication for identifying mobile communication terminals that can communicate based on information
Communicable terminal identification means, and communicable terminals identified by the communicable terminal identification means.
One or more mobile communication terminals of the mobile communication terminals
A group setting means for setting as the same group, the same group set by the group setting means
Information transmission means for transmitting information to the mobile communication terminal of
And, wherein the information transmission means, the mobile communication terminal, characterized by transmitting the same information only to at least a portion of the mobile communication terminal of the mobile communication terminals in the group setting within the same group set by means
End . 3. Communication for identifying its own mobile communication terminal.
A communication terminal identification information transmitting means for transmitting terminal identification information; and a communication terminal for receiving communication terminal identification information from another mobile communication terminal.
And Shin terminal identification information receiving means, the communication terminal identification the communication terminal identification information receiving means receives
Communication for identifying mobile communication terminals that can communicate based on information
Communicable terminal identification means, and communicable terminals identified by the communicable terminal identification means.
One or more mobile communication terminals of the mobile communication terminals
A group setting means for setting as the same group, the same group set by the group setting means
Information transmitting means for transmitting information to the mobile communication terminal, a communication terminal capable storage means, the communication capable terminal can communicate movement stored in the storage means for storing communication terminal identification information of the communication-enabled mobile communication terminal < comparing means for comparing the communication terminal identification information of the communication terminal with the communication terminal identification information of the communicable mobile communication terminal identified by the communicable terminal identification means; when the communication terminal identification information does not match, communicable terminal communication terminal identification information stored in the storage means, update instruction for updating the communication terminal identification information of the mobile communication terminal capable of communicating identified by said communication capable terminal identification means And means.
Mobile communication terminal . 4. Communication for identifying its own mobile communication terminal
Passing receiving a communication terminal identification information transmission means, the communication terminal identification information from the other mobile communication terminal transmitting the terminal identification information
And Shin terminal identification information receiving means, the communication terminal identification the communication terminal identification information receiving means receives
Communication for identifying mobile communication terminals that can communicate based on information
Communicable terminal identification means, and communicable terminals identified by the communicable terminal identification means.
One or more mobile communication terminals of the mobile communication terminals
A group setting means for setting as the same group, the same group set by the group setting means
Has an information transmitting means for transmitting information to the mobile communication terminal, the information transmission means, the mobile communication terminal and transmits a broadcast manner information to another mobile communication terminal in the same group. 5. Communication for identifying its own mobile communication terminal.
A communication terminal identification information transmitting means for transmitting terminal identification information; and a communication terminal for receiving communication terminal identification information from another mobile communication terminal.
And Shin terminal identification information receiving means, the communication terminal identification the communication terminal identification information receiving means receives
Communication for identifying mobile communication terminals that can communicate based on information
Communicable terminal identification means, and communicable terminals identified by the communicable terminal identification means.
One or more mobile communication terminals of the mobile communication terminals
A group setting means for setting as the same group, the same group set by the group setting means
Information transmission means for transmitting information to the mobile communication terminal of the communication terminal, the communication terminal identification information transmission means adds additional information to its own communication terminal identification information and transmits the communication terminal identification information reception means, mobile communication terminals, characterized in that receiving the additional information added with the communication terminal identification information from another mobile communication terminal, and displays the received additional information. 6. Communication for identifying its own mobile communication terminal.
A communication terminal identification information transmitting means for transmitting terminal identification information; and a communication terminal for receiving communication terminal identification information from another mobile communication terminal.
And Shin terminal identification information receiving means, the communication terminal identification the communication terminal identification information receiving means receives
Communication for identifying mobile communication terminals that can communicate based on information
Communicable terminal identification means, and communicable terminals identified by the communicable terminal identification means.
One or more mobile communication terminals of the mobile communication terminals
A group setting means for setting as the same group, the same group set by the group setting means
Information transmitting means for transmitting information to a mobile communication terminal, and communication terminal identification information of a mobile communication terminal capable of communication.
Communicable terminal storage means, and communicable movement stored in the communicable terminal storage means
Communication terminal identification information of a communication terminal;
Communication end of mobile communication terminal capable of communication identified by means
Comparing means for comparing the communication terminal identification information and the two communication terminal identification information compared by the comparing means
Is stored in the communicable terminal storage means when does not match
Communication terminal identification information by the communication enabled terminal identification means
Communication terminal identification information of the identified mobile communication terminal capable of communication
Update instruction means for updating the communication terminal identification information transmitting means and the information transmitting means, wireless communication means for performing wireless communication, or optical communication means for performing optical communication. Mobile communication
Terminal . 7. Communication for identifying its own mobile communication terminal.
A communication terminal identification information transmitting means for transmitting terminal identification information; and a communication terminal for receiving communication terminal identification information from another mobile communication terminal.
And Shin terminal identification information receiving means, the communication terminal identification the communication terminal identification information receiving means receives
Communication for identifying mobile communication terminals that can communicate based on information
Communicable terminal identification means, and communicable terminals identified by the communicable terminal identification means.
One or more mobile communication terminals of the mobile communication terminals
A group setting means for setting as the same group, the same group set by the group setting means
Information transmitting means for transmitting information to a mobile communication terminal, and communication terminal identification information of a mobile communication terminal capable of communication.
Communicable terminal storage means, and communicable movement stored in the communicable terminal storage means
Communication terminal identification information of a communication terminal;
Communication end of mobile communication terminal capable of communication identified by means
Comparing means for comparing the communication terminal identification information and the two communication terminal identification information compared by the comparing means
Is stored in the communicable terminal storage means when does not match
Communication terminal identification information by the communication enabled terminal identification means
Communication terminal identification information of the identified mobile communication terminal capable of communication
Update instruction means for updating the communication terminal identification information transmitting means and the information transmitting means.
Wireless communication means, or optical communication
An optical communication unit, a wireless communication unit, or a transmission power variable unit for varying the transmission power of the optical communication unit; and a communication enabled terminal identification unit after the transmission power is changed by the transmission power variable unit. The mobile communication terminals that can be communicated are not less than the mobile communication terminals stored in the communication enabled terminal storage unit before the transmission power change, or the mobile communication terminals that are set as the same group have the transmission power changed. wherein the communication enable terminal identification unit that had a transmission power reduction means for controlling said transmission power changing means so as to reduce the strength of the transmission power within the range which is subsequently identified as a mobile communication terminal which can communicate after A mobile communication terminal characterized by the above-mentioned. 8. Communication for identifying its own mobile communication terminal.
A communication terminal identification information transmitting means for transmitting terminal identification information; and a communication terminal for receiving communication terminal identification information from another mobile communication terminal.
And Shin terminal identification information receiving means, the communication terminal identification the communication terminal identification information receiving means receives
Communication for identifying mobile communication terminals that can communicate based on information
Communicable terminal identification means, and communicable terminals identified by the communicable terminal identification means.
One or more mobile communication terminals of the mobile communication terminals
A group setting means for setting as the same group, the same group set by the group setting means
Information transmitting means for transmitting information to a mobile communication terminal, and communication terminal identification information of a mobile communication terminal capable of communication.
Communicable terminal storage means, and communicable terminal storage means
Terminal identification information of mobile communication terminals capable of communication stored in
Information and the communication identified by the communicable terminal identification means.
Ratio comparing the possible mobile communication terminals with the communication terminal identification information
Comparing means , and two communication terminal identification information compared by the comparing means
Is stored in the communicable terminal storage means when does not match
Communication terminal identification information by the communication enabled terminal identification means
Communication terminal identification information of the identified mobile communication terminal capable of communication
Update instruction means for updating the communication terminal identification information transmitting means and the information transmitting means.
Wireless communication means, or optical communication
An optical communication unit, a wireless communication unit, or a transmission power varying unit that varies the intensity of transmission power of the optical communication unit; and a communicable terminal identified by the communicable terminal identification unit.
When the number of mobile communication terminals becomes smaller than the number of mobile communication terminals stored in the communicable terminal storage means, or at least one mobile communication terminal set as the same group is not identified by the communicable terminal identification means. when the mobile communication terminal, characterized in that it has a transmission power increase means for controlling said transmission power changing means so as to increase the strength of the transmission power. 9. Communication for identifying its own mobile communication terminal
A communication terminal identification information transmitting means for transmitting terminal identification information; and a communication terminal for receiving communication terminal identification information from another mobile communication terminal.
And Shin terminal identification information receiving means, the communication terminal identification the communication terminal identification information receiving means receives
Communication for identifying mobile communication terminals that can communicate based on information
Communicable terminal identification means, and communicable terminals identified by the communicable terminal identification means.
One or more mobile communication terminals of the mobile communication terminals
A group setting means for setting as the same group, the same group set by the group setting means
Information transmitting means for transmitting information to a mobile communication terminal
Mobile communication terminal, wherein the communicable terminal identification means transmits communication terminal identification information from another mobile communication terminal for a predetermined time.
Communication with this mobile communication terminal
A mobile communication terminal characterized in that the mobile communication terminal is identified as a mobile terminal. 10. A communication system for identifying a self mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Within the same group set by this group setting means
Information on mobile communication terminals Information transmitting means for transmitting
Mobile communication terminal, The communication terminal identification information transmitting means, Communication terminal for periodically identifying its own mobile communication terminal
Submit identification information, The communicable terminal identification means, Communication terminal identification information from other mobile communication terminals within a certain time
Is repeatedly received by the mobile communication terminal.
A mobile communication terminal characterized in that it is identified as possible. 11. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Within the same group set by the group setting means
User information transmission to send user information to mobile communication terminals
Means, Check if the received user information is addressed to your mobile communication terminal
Identify and, if addressed to your mobile communication terminal, the user
Output information and if it is not addressed to your mobile communication terminal
User information selecting means for discarding the user information.
A mobile communication terminal characterized by the following. 12. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication is possible based on information For identifying mobile communication terminals
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Based on the information attached to the communication terminal identification information.
Group setting means for setting as one group, Communication terminal identification information of the other mobile communication terminals received,
Based on the information accompanying this,
Information transmitting means for transmitting information to the mobile communication terminal
A mobile communication terminal, characterized in that: 13. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Groups set by group setting means and
Correspondence table of communication terminal identification information of mobile communication terminals to which it belongs
Correspondence table holding means, Based on the correspondence table held by the correspondence holding means
Information to mobile communication terminals within the same group that has been set.
Information transmitting means for transmitting information.
Mobile communication terminal. 14. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, When the distance to another mobile communication terminal approaches, the other
Communication terminal receiving communication terminal identification information from mobile communication terminal
Identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication is possible based on information For identifying mobile communication terminals
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Within the same group set by this group setting means
Information transmitting means for transmitting information to a mobile communication terminal
A mobile communication terminal characterized by the following. 15. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Within the same group set by this group setting means
Information transmitting means for transmitting information to a mobile communication terminal
Mobile communication terminal, It is recognized that communication is possible by the communicable terminal identification means.
The communication for storing the communication terminal identification information of the separated mobile communication terminal.
Reliable terminal storage means, Movement newly identified by the communicable terminal identification means
The communication terminal identification information of the communication terminal is stored in the communicable terminal storage.
Included in the communication terminal identification information of the mobile communication terminal stored in the means.
If not, the communication terminal identification information of the mobile communication terminal
Storage means for additionally storing in the communicable terminal storage means
A mobile communication terminal comprising a step. 16. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Within the same group set by this group setting means
Information transmitting means for transmitting information to a mobile communication terminal
Mobile communication terminal, It is recognized that communication is possible by the communicable terminal identification means.
The communication for storing the communication terminal identification information of the separated mobile communication terminal.
Reliable terminal storage means, Of the mobile communication terminal stored in the communicable terminal storage means.
Communication terminal identification information is not received continuously at a certain frequency
In this case, the communication terminal identification information of the mobile communication terminal
Deletion means for removing from the reliable terminal storage means.
And a mobile communication terminal. 17. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Within the same group set by this group setting means
Information transmitting means for transmitting information to a mobile communication terminal
Mobile communication terminal, The group setting means, Set a group identifier shared between the same group, The information transmitting means, A group identifier set by the group setting means
Broadcast to mobile communication terminals in the same group using
A mobile communication terminal for transmitting information to a mobile communication terminal. 18. An own mobile communication terminal via radio waves or light.
Communication terminal that transmits communication terminal identification information for identifying the terminal
Terminal identification information transmitting means; Communication terminal from other mobile communication terminal via radio wave or light
Communication terminal identification information receiving means for receiving identification information; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Within the same group set by this group setting means
Information to mobile communication terminals via radio or light
A mobile communication terminal having information transmission means, The information transmitting means transmits the information to mobile communication terminals in the same group.
Mobile communication characterized by transmitting information to
Communication terminal. 19. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting to set as the same group Means, Within the same group set by this group setting means
With information transmitting means for transmitting information to a mobile communication terminal
A mobile communication terminal, The communication terminal identification information transmitting means, Adds additional information to its own communication terminal identification information and sends it. The communication terminal identification information receiving means, It is added together with the communication terminal identification information from other mobile communication terminals.
Received additional information and display the received additional information
And The additional information of the other mobile communication terminal is
Information about the terminal or use of the other mobile communication terminal
Mobile communication terminal characterized by including information about the user
End. 20. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Within the same group set by this group setting means
With information transmitting means for transmitting information to a mobile communication terminal
A mobile communication terminal, The communication terminal identification information transmitting means, Adds additional information to its own communication terminal identification information and sends it. The communication terminal identification information receiving means, It is added together with the communication terminal identification information from other mobile communication terminals.
Received additional information and display the received additional information
And The additional information of the other mobile communication terminal includes at least the other
Use of mobile communication terminals User name, user name, user's face
Includes any image, user trademark
A mobile communication terminal, characterized in that: 21. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group, Within the same group set by this group setting means
With information transmitting means for transmitting information to a mobile communication terminal
A mobile communication terminal, The communication terminal identification information transmitting means, Adds additional information to its own communication terminal identification information and sends it. The communication terminal identification information receiving means, It is added together with the communication terminal identification information from other mobile communication terminals.
Received additional information, and list the received additional information
A mobile communication terminal characterized by: 22. The own mobile communication terminal via radio waves or light.
Communication terminal that transmits communication terminal identification information for identifying the terminal
Terminal identification information transmitting means; Communication terminal from other mobile communication terminal via radio wave or light
Communication terminal identification information receiving means for receiving identification information; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
Of mobile communication terminals One or more mobile communication terminals
Group setting means for setting as a same group, Within the same group set by this group setting means
Information to mobile communication terminals via radio or light
A mobile communication terminal having information transmission means, In the same group set by the group setting means
The information within a range that allows communication with the mobile communication terminal to which the terminal belongs.
The transmission power for controlling the transmission power of the transmission means to be small.
A mobile communication terminal having force control means. 23. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group,
A first mobile communication terminal equipped with Communication terminal identification information for identifying its own mobile communication terminal
Communication terminal identification information transmitting means for transmitting An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group,
And a second mobile communication terminal comprising The first and second mobile communication terminals are each set in a group.
Is set by the Mobile communication terminals in the same group
A mobile communication system for transmitting information to a mobile communication system. 24. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group,
A first mobile communication terminal equipped with Communication terminal identification information for identifying its own mobile communication terminal
Communication terminal identification information transmitting means for transmitting An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a same group,
A second mobile communication terminal comprising: Communication terminal identification information for identifying its own mobile communication terminal
Communication terminal identification information transmitting means for transmitting An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting to set as the same group Means,
And a third mobile communication terminal with The first, second and third mobile communication terminals are each
Movement within the same group set by loop setting means
A mobile communication system characterized by transmitting information to a communication terminal.
Stem. 25. A communication system for identifying one's own mobile communication terminal.
Communication terminal identification information transmitting means for transmitting communication terminal identification information
When, An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a first group,
A first mobile communication terminal equipped with Communication terminal identification information for identifying its own mobile communication terminal
Communication terminal identification information transmitting means for transmitting An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Setting means for setting as the first group
And a second mobile communication terminal comprising: Communication terminal identification information for identifying its own mobile communication terminal
Communication terminal identification information transmitting means for transmitting An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Group setting means for setting as a second group,
A third mobile communication terminal equipped with Communication terminal identification information for identifying its own mobile communication terminal
Communication terminal identification information transmitting means for transmitting An address for receiving communication terminal identification information from another mobile communication terminal
Communication terminal identification information receiving means; The communication terminal identification received by the communication terminal identification information receiving means.
Communication for identifying mobile communication terminals that can communicate based on information
Possible terminal identification means; The communicable terminal identified by the communicable terminal identification means
One or more mobile communication terminals of the mobile communication terminals
Setting means for setting as the second group
And a fourth mobile communication terminal comprising: The first, second, third and fourth mobile communication terminals are
Mobile communication within the same group set independently of each other
Mobile communication system characterized by transmitting information to a terminal
M 26. The information transmitting means is a wireless transmitting means.
Therefore, a range of approximately 10 to 20 m from the mobile communication terminal
Sending information to other mobile communication terminals
23. The mobile communication terminal according to claim 1, wherein:
End. 27. The communication terminal identification information receiving means, comprising:
Wireless receiving means through another mobile communication terminal
When arriving radio waves are received with a certain field strength
Receives the communication terminal identification information from the other mobile communication terminal.
23. The method according to claim 1, further comprising:
Mobile communication terminal. 28. The information transmitting means is a wireless transmitting means.
Therefore, a range of approximately 10 to 20 m from the mobile communication terminal
Sending information to other mobile communication terminals
26. A mobile communication system according to claim 23, wherein
Stem. 29. The communication terminal identification information receiving means includes a radio wave
Wireless receiving means through another mobile communication terminal
When arriving radio waves are received with a certain field strength
Receives the communication terminal identification information from the other mobile communication terminal.
26. The communication according to claim 23, wherein the communication is performed.
Mobile communication system. 30. A step of transmitting communication terminal identification information for identifying its own mobile communication terminal, and a step of receiving communication terminal identification information from another mobile communication terminal .
And a transfer that can communicate based on the received communication terminal identification information.
A step of identifying the dynamic communication terminal, one or a step of setting a plurality of mobile communication terminals as the same group, the mobile communication terminals in the same group set out for the identified communicable mobile communication terminal It transmits the information to the mobile communication direction, characterized in that and a step
Law . 31. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And a communication terminal for receiving communication terminal identification information from another mobile communication terminal.
A communication terminal identification information receiving step, and a communication received in the communication terminal identification information receiving step.
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, and the communicable terminal identified by the communicable terminal identification step.
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
-Up and, the same group that has been set by the group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
The information transmitting step includes the same group set in the group setting step.
At least a portion of the mobile communication terminal of the mobile communication terminal end within flop
Mobile communication characterized by transmitting the same information only to the end
How to trust. 32. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
When, Stores communication terminal identification information of mobile communication terminals that can communicate
Communicable terminal storage step; The communicable terminal stored in the communicable terminal storage step
Communication terminal identification information of a mobile communication terminal;
Mobile communication terminal capable of communication identified by the identification step
Comparing the communication terminal identification information of Identification of the two communication terminals compared by this comparing step
When the information does not match, the communicable terminal storage step
The communication terminal identification information to be stored is
Communication of a mobile communication terminal capable of communication identified by the step
Update instruction step for updating to terminal identification information
A mobile communication method, comprising: 33. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
And have The information transmitting step includes: Broadcast information to other mobile communication terminals in the same group
A mobile communication method characterized by transmitting a message. 34. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
And have The communication terminal identification information transmitting step, Adds additional information to its own communication terminal identification information and sends it. The communication terminal identification information receiving step, It is added together with the communication terminal identification information from other mobile communication terminals.
Received additional information and display the received additional information.
A mobile communication method, comprising: 35. Communication to identify own mobile communication terminal
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
When, Stores communication terminal identification information of mobile communication terminals that can communicate
Communicable terminal storage step; The communicable terminal stored in the communicable terminal storage step
Communication terminal identification information of a mobile communication terminal;
Mobile communication terminal capable of communication identified by the identification step
Comparing the communication terminal identification information of Identification of the two communication terminals compared by this comparing step
When the information does not match, the communicable terminal storage step
The communication terminal identification information to be stored is
Communication of a mobile communication terminal capable of communication identified by the step
An update instruction step for updating the terminal identification information; The communication terminal identification information transmitting step and the information transmitting step;
Wireless communication step of transmitting the
In other words, there is an optical communication step performed in optical communication.
Mobile communication method to be used. 36. A communication system for identifying one's own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Based on terminal identification information Mobile communication terminals that can communicate
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
When, Stores communication terminal identification information of mobile communication terminals that can communicate
Communicable terminal storage step; The communicable terminal stored in the communicable terminal storage step
Communication terminal identification information of a mobile communication terminal;
Mobile communication terminal capable of communication identified by the identification step
Comparing the communication terminal identification information of Identification of the two communication terminals compared by this comparing step
When the information does not match, the communicable terminal storage step
The communication terminal identification information to be stored is
Communication of a mobile communication terminal capable of communication identified by the step
An update instruction step for updating the terminal identification information; The communication terminal identification information transmitting step and the information transmitting step;
Wireless communication step of transmitting the
Or an optical communication step performed by optical communication; The wireless communication step or the optical communication step
Transmission power variable step of varying the intensity of the transmission power of Communication after changing the transmission power in this transmission power variable step
Communicable movement identified by the capable terminal identification step
Before the transmission power is changed, the communication terminal stores the communicable terminal storage space.
Not less than the mobile communication terminal stored in the step
Movement set in the same range or the same group
After the communication terminal changes the transmission power,
Mobile communication terminals that can still communicate with
To reduce the intensity of the transmission power within a range
Transmission power reduction step controlling transmission power variable step
And a mobile communication method. 37. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information for transmitting communication terminal identification information Another information transmission step
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
When, Stores communication terminal identification information of mobile communication terminals that can communicate
Communicable terminal storage step; The communicable terminal stored in the communicable terminal storage step
Communication terminal identification information of a mobile communication terminal;
Mobile communication terminal capable of communication identified by the identification step
Comparing the communication terminal identification information of Identification of the two communication terminals compared by this comparing step
When the information does not match, the communicable terminal storage step
The communication terminal identification information to be stored is
Communication of a mobile communication terminal capable of communication identified by the step
An update instruction step for updating the terminal identification information; The communication terminal identification information transmitting step and the information transmitting step;
Wireless communication step of transmitting the
Or an optical communication step performed by optical communication; The wireless communication step or the optical communication step
Transmission power variable step of varying the intensity of the transmission power of Communication enabled identified by the communication enabled terminal identification step
Mobile communication terminal is stored in the communicable terminal storage step.
When the number of mobile communication terminals
Is at least one set as the same group
The mobile communication terminal is identified by the communicable terminal identification step.
When the power is no longer available, increase the transmission power strength.
Transmission power increase controlling the transmission power variable step
Had steps A mobile communication method, comprising: 38. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
A mobile communication terminal having The communicable terminal identification step, Communication terminal identification information from other mobile communication terminals within a certain time
Communication with this mobile communication terminal
A mobile communication method characterized in that the mobile communication method is identified as a mobile communication function. 39. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
A mobile communication terminal having The communication terminal identification information transmitting step, Communication terminal for periodically identifying its own mobile communication terminal
Submit identification information, The communicable terminal identification step, Communication terminal identification information from other mobile communication terminals within a certain time
Is repeatedly received by the mobile communication terminal.
A mobile communication method characterized in that it is identified as possible. 40. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in the group setting step
Information for transmitting user information to mobile communication terminals in the group
Sending step; Check if the received user information is addressed to your mobile communication terminal
Identify and, if addressed to your mobile communication terminal, the user
Output information and if it is not addressed to your mobile communication terminal
User information selecting step of discarding the user information
A mobile communication method, comprising: 41. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
A terminal based on information attached to the communication terminal identification information;
Setting step to set as the same group
When, Communication terminal identification information of the other mobile communication terminals received,
Based on the information accompanying this,
An information transmission step of transmitting information to the mobile communication terminal.
A mobile communication method, comprising: 42. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The group to be set in the group setting step
The correspondence table of the communication terminal identification information of the mobile communication terminals belonging to
A correspondence table retaining step to retain; Based on the correspondence table held by the correspondence holding step,
Mobile communication terminals within the same set group
Information transmitting step of transmitting information.
Mobile communication method. 43. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And When the distance to another mobile communication terminal approaches, the other
Communication terminal receiving communication terminal identification information from mobile communication terminal
An identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
And a mobile communication method. 44. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
A mobile communication terminal having Communicable by the communicable terminal identification step
Storing the communication terminal identification information of the mobile communication terminal identified as
Communicable terminal storage step, Newly identified by the communicable terminal identification step.
The communication terminal identification information of the mobile communication terminal is the communication enabled terminal
Communication terminal identification of the mobile communication terminal stored in the storage step
If not included in the information, the communication terminal of the mobile communication terminal
Additionally storing the identification information in the communicable terminal storage step
Mobile storage characterized by having an additional storage step
How to trust. 45. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
Terminal identification information reception Tep, Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
A mobile communication terminal having Communicable by the communicable terminal identification step
Storing the communication terminal identification information of the mobile communication terminal identified as
Communicable terminal storage step, Mobile communication terminal stored in the communicable terminal storage step
Terminal identification information is continuously received at a certain frequency.
If not, the communication terminal identification information of the mobile communication terminal is
Deletion step removed from the communicable terminal storage step
And a mobile communication method. 46. A communication system for identifying one's own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
A mobile communication terminal having The group setting step includes: Set a group identifier shared between the same group, The information transmitting step includes: Group identification set by the group setting step
Using mobile phone to mobile communication terminals in the same group
A mobile communication method characterized by transmitting information in a broadcast manner. 47. own mobile communication terminal via radio wave or light
Communication terminal that transmits communication terminal identification information for identifying the terminal
Terminal identification information transmitting step, Communication terminal from other mobile communication terminal via radio wave or light
A communication terminal identification information receiving step of receiving identification information; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information is transmitted to mobile communication terminals within the group via radio waves or light
Mobile communication terminal having an information transmitting step of
hand, The information transmitting step includes the steps of:
Transfer characterized by transmitting information to the
Dynamic communication method. 48. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
And a mobile communication terminal having The communication terminal identification information transmitting step, Adds additional information to its own communication terminal identification information and sends it. The communication terminal identification information receiving step, It is added together with the communication terminal identification information from other mobile communication terminals.
Received additional information and display the received additional information
And The additional information of the other mobile communication terminal is
Information about the terminal or use of the other mobile communication terminal
Mobile communication method characterized by including information about users
Law. 49. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
And a mobile communication terminal having The communication terminal identification information transmitting step, Adds additional information to its own communication terminal identification information and sends it. The communication terminal identification information receiving step, It is added together with the communication terminal identification information from other mobile communication terminals.
Received additional information and display the received additional information
And The additional information of the other mobile communication terminal includes at least the other
User name, user name, user face of mobile communication terminal
Image or user trademark Including
A mobile communication method, comprising: 50. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And The same group set in this group setting step
Information transmitting step of transmitting information to mobile communication terminals in the group
And a mobile communication terminal having The communication terminal identification information transmitting step, Adds additional information to its own communication terminal identification information and sends it. The communication terminal identification information receiving step, It is added together with the communication terminal identification information from other mobile communication terminals.
Received additional information, and list the received additional information
Mobile communication method characterized by showing. 51. The own mobile communication terminal via radio waves or light
Communication terminal that transmits communication terminal identification information for identifying the terminal
Terminal identification information transmitting step, Communication terminal from other mobile communication terminal via radio wave or light
A communication terminal identification information receiving step of receiving identification information; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group that sets terminals as the same group Setting station
And The same group set in this group setting step
Information is transmitted to mobile communication terminals within the group via radio waves or light
Mobile communication terminal having an information transmitting step of
hand, The same group set in the group setting step
Within the range where communication with mobile communication terminals belonging to
Control to reduce the transmission power in the information transmission step
Moving having a transmission power control step
Communication method. 52. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
The first mobile communication method for realizing a mobile communication method having
Communication terminal, Communication terminal identification information for identifying its own mobile communication terminal
Transmitting communication terminal identification information, An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And a second mobile communication method for realizing a mobile communication method having
Communication terminal and The first and second mobile communication terminals are each set in a group.
Set by fixed steps Mobile communication within the same group
Mobile communication system characterized by transmitting information to a terminal
Mobile communication method in the system. 53. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
The first mobile communication method for realizing a mobile communication method having
Communication terminal, Communication terminal identification information for identifying its own mobile communication terminal
Transmitting communication terminal identification information, An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set terminals as the same group
And a second mobile communication method for realizing a mobile communication method having
Communication terminal, Communication terminal identification information for identifying its own mobile communication terminal
Transmitting communication terminal identification information, An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group that sets terminals as the same group Setting station
And a third mobile communication method for realizing a mobile communication method having
Communication terminal and The first, second and third mobile communication terminals are each
Within the same group set by the loop setting step
Mobile communication characterized by transmitting information to a mobile communication terminal
Mobile communication method in communication system. 54. A communication system for identifying its own mobile communication terminal.
Communication terminal identification information transmission step for transmitting communication terminal identification information
And An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set the terminal as the first group
The first mobile communication method for realizing a mobile communication method having
Communication terminal, Communication terminal identification information for identifying its own mobile communication terminal
Transmitting communication terminal identification information, An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting for setting a terminal as the first group
A second mobile communication method for realizing the mobile communication method having the steps
Mobile communication terminal, Communication terminal identification information for identifying its own mobile communication terminal
Transmitting communication terminal identification information, An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Based on terminal identification information Mobile communication terminals that can communicate
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting step to set the terminal as a second group
And a third mobile communication method for realizing a mobile communication method having
Communication terminal, Communication terminal identification information for identifying its own mobile communication terminal
Transmitting communication terminal identification information, An address for receiving communication terminal identification information from another mobile communication terminal
A receiving terminal identification information receiving step; Communication received by this communication terminal identification information receiving step
Identifies mobile communication terminals that can communicate based on terminal identification information
Communicable terminal identification step, Communication enabled identified by this communication enabled terminal identification step
Mobile communication of one or more mobile communication terminals
Group setting for setting a terminal as the second group
A fourth mobile communication method for realizing the mobile communication method having the steps
Mobile communication terminal, The first, second, third and fourth mobile communication terminals are
Mobile communication terminals within the same group, each set independently
A mobile communication system characterized by transmitting information
Mobile communication method. 55. The information transmitting step, comprising the steps of:
And a radius of approximately 10 to 2 from its mobile communication terminal.
Send information to other mobile communication terminals located within 0m range
The transfer according to claim 30 to claim 51, wherein
Dynamic communication method. 56. The communication terminal identification information receiving step,
It is a wireless receiving step via radio waves, and other mobile communication
Radio waves arriving from the terminal are received with an electric field strength
Communication terminal identification information from the other mobile communication terminal.
30. The method according to claim 30, wherein the information is received.
2. The mobile communication method according to 1. 57. The information transmitting step includes a wireless transmitting step.
And a radius of approximately 10 to 2 from its mobile communication terminal.
Send information to other mobile communication terminals located within 0m range
To 55. The transfer method according to claim 52, wherein
A mobile communication method in a mobile communication system. 58. The communication terminal identification information receiving step,
It is a wireless receiving step via radio waves, and other mobile communication
Radio waves arriving from the terminal are received with an electric field strength
Communication terminal identification information from the other mobile communication terminal.
52. The method according to claim 52, wherein the information is received.
5. A mobile communication method in the mobile communication system according to 4.