JP3513823B2 - Wireless communication device, wireless communication network, service management station, and wireless communication system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless communication device capable of transmitting the same message to a plurality of wireless communication terminals,
The present invention relates to a wireless communication network , service management station and system.

[0002]

2. Description of the Related Art Conventionally, analog wireless systems and digital wireless systems are known as wireless communication systems. By the way, in such a wireless communication system, one wireless communication terminal is connected to one wireless communication terminal, and communication is performed between these wireless communication terminals.

[0003]

However, if communication can be performed only in such a one-to-one relationship,
For example, even if there is a request to send the same message to a plurality of wireless communication terminals at the same time, there is a problem that this cannot be dealt with.

The present invention has been made in view of the above circumstances, and the same message is transmitted to a plurality of wireless communication terminals (especially, the same message).
It is an object of the present invention to provide a wireless communication device, a wireless communication network, a service management station and a system that can simultaneously transmit to a plurality of other wireless communication terminals in one group) .

[0005]

Means for Solving the Problems The present invention, in the network, the wireless communication terminal and a base station performing wireless communications, radio communications terminal belonging to the group corresponding to the group identifier identifying the group of wireless communication terminals terminal is connected to the storage means for storing the terminal identifier, upon receiving the group identifier and the message, which is stored in correspondence received message to the same group identifier and the group identifier received in the storage means Oite the communication system configured to send the identifier of the wireless communication terminal, and the wireless communication terminal
A wireless communication device usable with, have self belong
Message to all other wireless communication terminals in the group.
When you send the message
The group identifier that identifies the existing group to the base station
And it comprises a group message sending means for sending for.

The present invention also permits a simultaneous call service.
Only when the data to be stored is stored in the terminal.
Configured to send a group identifier . Also,
The present invention provides the data for allowing the above-mentioned general calling service.
It is configured to be stored in a removable memory that is removable from the terminal .

Further, the present invention includes a group memory means for storing the terminal identifier of the radio communications terminal corresponding to the group identifier identifying the group of wireless communication terminals you genus <br/> to the group, The group to which the wireless communication terminal belongs, which is sent from the wireless communication terminal that belongs to any group.
Receiving means for receiving the group identifier and the message that identifies the loop, have stored in the group storage means
That search means for searching the same group identifier and the group identifier received by the receiving means from among the group identifier, the wireless communication terminal of the terminal identifier stored in correspondence and the group identifier retrieved by the retrieving means
Of which, excluding wireless communication terminals that sent the message
The radio communication terminal is constituted by a transmitting means for transmitting the message received by the receiving means.

Further, the present invention is, in a wireless communication system having a wireless communication terminal for radio communication via a base station connected to a network, the network, no
Corresponding to the group identifier that identifies a group of line communication terminal stores the terminal identifier of the plurality of radio communication terminals,
A wireless communication terminal belonging to any group does not belong to itself.
Other wireless communication terminals within the group of wireless communication terminals
When sending a message to
Identify the group of wireless communication terminals to which both belong
A group identifier to be input to the network via the base station, and the network recognizes the input group identification.
For the corresponding wireless communication terminal to the end-terminal identifier that is stored in association with Besshi, and is configured to forward the message input.

[0009]

[Action] As a result, according to the present invention, a wireless communication for communicating wirelessly via a base station connected to the network
Communication apparatus (radio communication terminal) itself belongs to the base station
By transmitting the group identifier and the message of the group to be transmitted from the group message transmitting means, the wireless communication device of the terminal identifier stored corresponding to the group identifier , that is, a plurality of other wireless devices in the same group as itself.
The same message can be simultaneously received by the communication terminal .

Further, according to the present invention, a wireless communications network, the end of the radio communications terminal belonging to the group corresponding to the group identifier identifying the group of wireless communication terminals
The end identifier is stored in the group storage means, and
When the group identifier and the message sent from the wireless communication terminal belonging to the group are received, the search unit searches for the same group identifier as the received group identifier among the group identifiers stored in the group storage unit, Of the wireless communication terminals with the terminal identifiers stored corresponding to the retrieved group identifier, the message
The radio communication terminal except for the wireless communication terminal that sent the over di-, by sending a message received by the receiving unit, main from the radio communication terminal in the same group
The message will be sent to all other wireless communication terminals in the same group.
Can be received.

Further, according to the present invention, a radio communication system having a wireless communication terminal that wirelessly communicates via a base station connected to a network, the network, the wireless communication
Corresponding to the group identifier that identifies a group of signal terminals storing the terminal identifier of the plurality of wireless communication terminals, either grayed
The wireless communication terminal belongs to the wireless communication terminal that belongs to the loop.
If you enter a message into the network through the base station with the group identifier
It is stored in correspondence with this input group identifier.
The radio communication terminal corresponding to that edge end identifier, since to forward the message input, the
Wireless communication terminals in one group send the same message
Receiving to all other wireless communication terminals in the group
You can

[0012]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 shows a PHS (personal computer) according to the present invention.
1 shows a schematic configuration of the first embodiment applied to a handy phone system).

In the figure, reference numeral 1 is a communication network, and this communication network 1 is composed of ISDN and the like. A plurality ( two in the illustrated example) of base stations 2 for wireless communication terminals ( here, mobile phone 3 ) to be described later are connected to the wireless communication network 1.

In this case, the plurality of base stations 2 are dispersedly arranged in the service area so as to cover the entire service area of the system. The mobile phone 3 is wirelessly connected to these base stations 2.

A service management station 4 is connected to the communication network 1, and a storage unit 41 and a database 42 are connected to the service management station 4. In this case, the storage unit 41 stores the received message, and the database 42 stores the group identifiers G1, G2, ... GM together with the terminal identifiers (telephone numbers of the respective mobile phones 3) T1, T2.
, ... remembers TN. Group identifier G1 here
, G2, ... GM and the terminal identifiers T1, T2, ... TN are, for example, as shown in FIG. 3, the terminal identifiers T1, T3, T4, and the group identifier G with respect to the group identifier G1.
2, terminal identifiers T2, T3, group identifier GM
The terminal identifiers T4 and TN correspond to each other.

In addition to the group information described above, the database 42 also stores normal subscriber numbers, billing information, terminal location registration information and the like as service data. FIG. 2 shows a schematic configuration of the mobile phone 3 used in such a system.

In the figure, 11 is an antenna, and a high frequency section 12 is connected to this antenna 11. The high frequency unit 12 performs frequency conversion processing, and includes an antenna switch unit 121, a receiving unit 122, a transmitting unit 123, and a P unit.
It has an LL synthesizer 124.

Here, the antenna switch section 121 receives the input signal from the antenna 11 to the receiving section 122 and the transmitting section 1
The output signal from 23 is distributed to the antenna 11. The reception unit 122 receives the reception signal input from the antenna 11 via the antenna switch unit 121.
Convert frequency from 1.9GHz to 1 by stage mixer
An IF signal of 50 to 250 MHz and 10 MHz is generated. The transmitting unit 123 frequency-converts a modulated wave of π / 4 shift QPSK input from the modem 13 described later with a mixer to 1.9 GHz, and outputs it to the antenna 11 via the antenna switch unit 121. Then, the PLL synthesizer 124 performs local oscillation for frequency conversion in the receiving unit 122 and the transmitting unit 123.

The high frequency section 12 has a modem 13,
The TDMA processing unit 14, the speech codec 15 and the PCM codec 16 are connected, and a speaker 18 on the receiving side is connected to the PCM codec 16 via an amplifier 17.
The microphone 19 on the transmitting side is connected.

Here, the modem 13 uses a π / 4 shift QP
It performs SK modulation and demodulation processing, and at the receiving side, the receiving unit 1
The IF signal from 22 is demodulated and separated into IQ data,
The data is transferred to the TDMA processing unit 14 as a data string, and on the transmission side, IQ data is created from the data transferred from the TDMA processing unit 14, π / 4 shift QPSK modulation is performed, and the data is sent to the transmission unit 124. I have to.

The TDMA processing unit 14 performs frame synchronization and data transmission / reception processing. On the receiving side, a unique word (synchronization signal) is extracted from the received data sent from the modem 13 to perform frame synchronization. Then, the control data section and the voice data section in the received data are descrambled, the control data is sent to the control section 20, and the voice data is transferred to the speech codec 15. Also, on the transmission side, control data or the like is added to the voice data transferred from the speech codec 15 to create transmission data, and after scrambled, a unique word or the like is added to format the TDM.
It is inserted at a predetermined timing of the A frame and transmitted to the modem 13.

The speech codec 15 is for compressing / decompressing digital data.
The ADPCM codec voice signal (4 bit × 8 KHz = 32 Kbps) sent from the MA processing unit 14 is set to P
CM codec voice signal (8bit × 8KHz = 64
Kbps) to decompress and output to the PCM codec 16, and on the transmission side, the PCM codec audio signal sent from the PCM codec 16 is encoded and compressed by the ADPCM codec audio signal to perform TDMA processing. It is sent to the section 14.

The PCM codec 16 performs analog / digital processing. On the receiving side, the PCM codec voice signal sent from the speech codec 15 is converted into an analog signal by D / A conversion and then output to the amplifier 17. Then, the speaker 18 is driven, and on the transmission side, the analog voice signal input from the microphone 19 is A / D converted and the PCM codec voice signal is output to the speech codec 15. The PCM codec 16 also controls the volume, ringer R, tone signal and the like.
The speaker 18 has a message storage unit 24 described later.
It also notifies the message stored in.

Then, the high frequency unit 12 and the modem 1
3, a control unit 20 is connected to the TDMA processing unit 14, the speech codec 15, and the PCM codec 16, and the ROM 21, the RAM 22, the interface 23, the message storage unit 24, and the display unit 2 are connected to the control unit 20.
5, the key input unit 26 is connected.

Here, the ROM 21 stores a control program for the control unit 20 in advance. The RAM 22 temporarily stores the data handled by the control of the control unit 20. The interface 23 is an ID chip 27 (removable memo
Re) is connected. The ID chip 27 in this case stores data that allows the simultaneous call service within the range of the contract with the telephone company.

The message storage unit 24 stores a message received by the simultaneous calling service. The display unit 25 displays input data and results for various controls. The key input unit 26 performs a key input operation for instructing a simultaneous call and a key input operation for setting various functions.

The control unit 20 controls each circuit according to a control program stored in the ROM 21. Next, the operation of the first embodiment configured as above will be described.

First, the mobile phone 3 executes the flow shown in FIG. In this case, after initialization at step 401, the ID of the interface 23 is set at step 402.
When the chip 27 is connected, the contents of the ID chip 27 are read in step 403. Then, in step 404,
It is determined whether or not the ID chip 27 has the simultaneous call service data permitting the simultaneous call service.

Here, if there is no general calling service data, the general calling service is not permitted in step 405, and the process ends. On the other hand, when the simultaneous call service data is confirmed, the simultaneous call service is permitted in step 406.

Then, from this state, step 407
Then, when a key input operation is carried out by the key input unit 26, the process proceeds to step 408 and the call is executed. In this case, the simultaneous call is made by calling the mobile phone 3
The service management station 4 of the wireless communication network 1 is called via the base station 2 in the service area to which the message belongs and the message is output. Then, this message is sent to the service management station 4 together with the group identifier to which the mobile phones 3 that have called all at once are stored, and the message is stored in the storage unit 41.

From this state, the service management station 4 of the wireless communication network 1 executes the flow shown in FIG. In this case, in step 501, the database 42 is searched for a group identifier corresponding to the mobile telephones 3 that have called all at once. Here, if there is no group identifier corresponding to the mobile phone 3 that made the simultaneous call, no simultaneous call is made and the process ends. On the other hand, mobile phone 3
If there is a group identifier corresponding to, step 50
In step 503, another terminal identifier belonging to the group identifier is searched for, and in step 503, the mobile phones 3 having the telephone numbers corresponding to these other terminal identifiers are simultaneously called.

In this case, assuming that the group identifier to which the portable telephones 3 making simultaneous calls belong to is G1 as described above, the group identifier G1 has a terminal identifier T as shown in FIG.
Since 1, T3 and T4 exist, these terminal identifiers T1
, T3, T4, the mobile phones 3 having the telephone numbers corresponding to the telephone numbers are simultaneously called.

Then, the terminal identifier T1 that received the simultaneous call
, T3, and T4, the mobile telephones 3 corresponding to the incoming call from the service management station 4 of the wireless communication network 1 notify the fact that there is an incoming call, and then send a message from the service management station 4. Will be stored in the message storage unit 24.

Therefore, according to such a first embodiment,
Communication network 1 from mobile phone 3 via base station 2
When the group identifier and the message are transmitted to the service management station 4 of the
The group identifier corresponding to the mobile phone 3 that has called all at once is searched, and if there is a corresponding group identifier, the other terminal identifiers belonging to the group identifier are confirmed, and the telephone numbers corresponding to these other terminal identifiers are checked. Mobile phone 3
Since a simultaneous call is made to each of the wireless communication devices, a message can be output to another wireless communication device stored in association with the group identifier, and communication is conventionally performed only in a one-to-one relationship. The same message can be simultaneously sent to a plurality of wireless communication terminals as compared with those that cannot be performed, and it is possible to provide a wider range of services and enhance the convenience of terminal users. (Second Embodiment) FIG. 6 shows a schematic configuration of the second embodiment.

In the figure, 31 is a private branch exchange (PBX).
The private branch exchange 31 connects the communication network 32 and a plurality (three in the illustrated example) of base stations 33.
Are connected.

In this case, the plurality of base stations 33 are arranged in a distributed manner in the service area so as to cover the entire service area of the private branch exchange 31. The mobile phone 34 is wirelessly connected to these base stations 33.

The mobile phone 34 in this case is also configured as shown in FIG. Further, a control unit 35 is connected to the private branch exchange 31, and a storage unit 36 and a database 37 are connected to the control unit 35. In this case, the storage unit 36 stores the received message, and the database 42 stores the group identifiers G1, G2,
The terminal identifiers (phone numbers of the respective mobile phones 3) T1, T2, ... TN are stored together with GM. Group identifiers G1, G2, ... GM here and terminal identifiers T1, T2
, ... TN is the same as that described in FIG.

In the second embodiment having such a structure, however, the interface 23 is used in the mobile phone 34.
The ID chip 27 is connected to the ID chip 27, it is determined whether or not there is simultaneous call service data permitting the simultaneous call service in the ID chip 27, and when the simultaneous call service data is confirmed, the simultaneous call service is permitted.

Then, when an instruction for simultaneous calling is input from the key input unit 26, the simultaneous calling is executed. In this case, the simultaneous call is made by calling the control unit 35 of the private branch exchange 31 via the base station 33 in the service area to which the mobile phone 34 making the simultaneous call is calling and outputting a message. Then, the message is sent to the control unit 35 together with the group identifier to which the mobile phones 3 making the simultaneous call call belong, and the message is stored in the storage unit 36.

From this state, the control unit 3 of the private branch exchange 31
5, the mobile phone 3 that made a simultaneous call to the database 37
It is determined whether there is a group identifier corresponding to 4. Then, if there is a group identifier corresponding to the terminal identifier, other terminal identifiers belonging to the group identifier are confirmed, and a simultaneous call is made to the mobile phones 34 having telephone numbers corresponding to these other terminal identifiers. Like

Then, in each mobile telephone 34 corresponding to the terminal identifier that received the simultaneous call, the control unit 35 of the private branch exchange 31 notifies the incoming call that there is an incoming call, and then performs control. The message from the unit 35 is sent to the message storage unit 2
It will be stored in 4.

Therefore, also in the second embodiment as described above, the private branch exchange 31 is connected from the portable telephone 3 through the base station 2.
When the group identifier and the message are transmitted to the control unit 35, the control unit 35 searches the database 37 for the group identifier corresponding to the mobile telephones 34 that make the simultaneous call, and if there is the corresponding group identifier, the group identifier Since the other terminal identifiers belonging to the other terminal identifiers are confirmed and simultaneous calls are made to the mobile telephones 34 having the telephone numbers corresponding to these other terminal identifiers, communication is conventionally performed only in a one-to-one relationship. The same message can be simultaneously transmitted to a plurality of wireless communication terminals, and a wider range of services can be provided and the convenience of the terminal user can be improved, as compared with the case where it is not possible.

The present invention is not limited to the above embodiment,
For example, the message and the schedule data may be stored in association with each other. In this case, at a predetermined time, a message is sent to a predetermined group all at once.

[0044]

As described above, according to the present invention, the wireless communication device transmits the group identifier to which the wireless communication device belongs and the message to the inside of the network.
A message can be simultaneously received by the receiving means of another wireless communication device having a terminal identifier stored corresponding to the same group identifier as the group identifier, and the same message can be received by a plurality of other wireless devices in the group. It is possible to simultaneously transmit to the communication terminal, provide a wider range of services, and improve the convenience of the terminal user.

Further, according to the present invention, when the wireless communication network receives a group identifier and a message to which the terminal belongs from a wireless communication terminal belonging to any group , the wireless communication network stores them in correspondence with the group identifier . Terminal
Since it the identifier of the radio communication terminal end received message against the to output simultaneously, in this case also be sent simultaneously to all other wireless communication terminals in the group the same message, the same effect as described above Can be expected.

Further, according to the present invention, the wireless communication system includes a group to which the wireless communication terminal belongs, rather than a wireless communication terminal.
When flop group identifier and the message is input, since the input message to the radio communication terminal end <br/> end identifier that corresponds to the group identifier stored in the network can simultaneously to forward, this Also in this case, the same message can be simultaneously transmitted to all the other wireless communication terminals in the group, and the same effect as described above can be expected.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of a first embodiment of the present invention.

FIG. 2 is a diagram showing a schematic configuration of a mobile phone used in the first embodiment.

FIG. 3 is a diagram for explaining a relationship between a group identifier and a terminal identification according to the first embodiment.

FIG. 4 is a flowchart for explaining the operation of the first embodiment.

FIG. 5 is a flowchart for explaining the operation of the first embodiment.

FIG. 6 is a diagram showing a schematic configuration of a second embodiment of the present invention.

[Explanation of symbols]

1 ... communication network, 2 ... base station, 3 ... mobile phone, 4 ... Service Management Bureau, 41 ... storage unit, 42 ... database, 11 ... antenna, 12 ... High frequency part, 121 ... antenna switch part, 122 ... Receiving unit, 123 ... Transmitter, 124 ... PLL synthesizer, 13 ... Modem, 14 ... TDMA processing unit, 15 ... Speech codec, 16 ... PCM codec, 17 ... amplifier, 18 ... speaker, 20 ... control unit, 21 ... ROM, 22 ... RAM, 23 ... Interface, 24 ... Message storage section, 25 ... Display, 26 ... key input section, 27 ... ID chip, 31 ... Private branch exchange, 32 ... communication network, 33 ... base station, 34 ... mobile phone, 35 ... control unit, 36 ... storage unit, 37 ... Database.

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) H04B ^7/ 24-7/26 H04Q ⁷ /00-7/38

Claims (8)

(57) [Claims] To 1. A network, and the radio communication terminal and a base station for wireless communication, which corresponds to the group identifier identifying the group of wireless communication terminals to store the terminal identifier of the radio communications terminal belonging to the group storage means and is connected, upon receiving the group identifier and the message, the end that is stored in correspondence received message to the same group identifier and the group identifier received in the storage means
Oite the communication system <br/> configuration to the wireless communication terminal end identifiers, wherein a wireless communication apparatus that can be used as a wireless communication terminal, other wireless communication terminals total in the group that itself belongs Te ni
When sending a message to the
Group identifier that identifies the group to which you belong
And a group message transmitting means for transmitting to the base station . 2. The wireless communication device according to claim 1, wherein the group identifier can be transmitted only when data permitting a simultaneous call service is stored in the device itself. 3. The wireless communication device according to claim 2, wherein the data allowing the simultaneous call service is stored in a removable memory that is removable from the device itself. 4. A group storage means in correspondence with the group identifier identifying the group of wireless communication terminals has stored the terminal identifier of the radio communications terminal belonging to the group, the radio belonging to any group Identify the group to which the wireless communication terminal belongs sent from the communication terminal
Receiving means for receiving the group identifier and the message, and the group identifier received by the receiving means from among the group identifier stored in the group storage means
Of the search means for searching the same group identifier and the wireless communication terminal of the terminal identifier stored corresponding to the group identifier searched by this search means ,
Wireless communication excluding the wireless communication terminal that sent the message
Wireless communication network, characterized in that the terminal, equipped with a transmitting means for transmitting the message received by the receiving means. 5. A wireless communication system having a wireless communication terminal that wirelessly communicates via a base station connected to the network, wherein the network specifies a group of wireless communication terminals.
Corresponding to the group identifier stores a plurality of radio communication terminal terminal <br/> identifier, the wireless communication terminals belonging to one of groups, self belongs that
Other wireless communication terminals within the group of wireless communication terminals
When sending a message to
Identify the group of wireless communication terminals to which both belong
Enter the network group identifier via a base station, the network, the message to the wireless communication terminal, which is input corresponding to the end-terminal identifier that is stored in correspondence with the inputted group identifier A wireless communication system, characterized in that the wireless communication system transfers. Wherein said wireless communication terminal, only when the stored data to allow simultaneous calling service, the Group
6. The wireless communication system according to claim 5, wherein the message can be input to the network together with the loop identifier . 7. The wireless communication system according to claim 6, wherein the data allowing the simultaneous call service is stored in a removable memory. 8. A service control station provided in the communication network, corresponding to the group identifier identifying the group of wireless communication terminals to store the terminal identifier of the radio communications terminal belonging to the group, either Group of the wireless communication terminal to which the wireless communication terminal belongs, which is sent from the wireless communication terminal that belongs to
Group identifier for identifying a group and a message are received, a group identifier corresponding to the received group identifier is searched from the stored group identifiers, and a terminal is stored corresponding to the retrieved group identifier. Send the message out of the identifier wireless communication terminal
The radio communication terminal except to have wireless communication terminal, the service management station and transmits the message to the received.