JP2018005719A - Radio equipment, radio communication system and radio communication method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide radio equipment, a radio communication system and a radio communication method that can change a status of a message with traffic of a light load.SOLUTION: A radio communication system 100 according to the present embodiment is a radio communication system 100 having transmission-source radio equipment 10A and transmission-destination ratio equipment 10B. The radio equipment 10A comprises: a microcomputer 24 which generates a status change request to change the status of a message of the radio equipment 10B from a read status; and a transmission circuit 29 which transmits the message and the status change request to the radio equipment 10B. The radio equipment 10B comprises a reception circuit 27 which receives the status change request to change the status of the message of the radio equipment 10B; and a microcomputer 24 which changes the status of the message from the read status according to the status change request.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a radio, a radio communication system, and a radio communication method.

  Patent Document 1 discloses an e-mail system having an unread e-mail management function. In the electronic mail system of Patent Document 1, the terminal device includes a management unit that manages unread / read of an electronic mail at a transmission destination.

JP-A-11-65955

  In the electronic mail system of Patent Document 1, a terminal device of a transmission destination is registered in advance in a management unit that manages read / unread of an electronic mail. Then, a read information notification request is added to the e-mail transmitted to the registered terminal device. When the terminal device on the reception side receives the read information notification request, the read information is returned to the terminal device on the transmission side. By doing in this way, the user of the terminal device on the transmission side can check the read state of the terminal device on the reception side.

  By the way, when there is no response from the terminal device on the receiving side for a while after the e-mail status has been read, there is a case where the user of the terminal device on the receiving side may be prompted to reread. In such a case, it is effective to change the status of the receiving terminal from the read terminal to the unread terminal. However, in the electronic mail system of Patent Document 1, the status of the receiving terminal cannot be changed from read to unread from the transmitting terminal. Therefore, there is a problem in that the terminal device on the transmission side cannot prompt the user of the terminal device on the reception side to reread. Further, when the transmission source terminal prompts the transmission destination terminal to reread the already-read message, the message may be retransmitted from the transmission source terminal. However, there is a problem that when the message is retransmitted, the system traffic increases.

  The radio communication system according to the present embodiment is a radio communication system having a transmission source radio and a transmission destination radio capable of receiving a message from the transmission source radio, wherein the transmission source radio is A control unit that generates a status change request for changing the status of the message in the transmission destination radio from read, and a transmission circuit that transmits the message and the status change request to the transmission destination radio. The transmission destination radio device includes a receiving circuit that receives the message and the status change request, and a control unit that changes the status of the message from read in response to the status change request. It is.

  The wireless device according to the present embodiment is a wireless device capable of transmitting a message to a transmission destination wireless device, and issues a status change request for changing the status of the message in the transmission destination wireless device from already read. And a transmission circuit that transmits the status change request to the transmission destination wireless device.

  The wireless device according to the present embodiment is a wireless device that can receive a message from a transmission source wireless device, a receiving circuit that receives a status change request for changing the status of the message, and the status change request And a control unit that changes the status of the message from read.

  The radio communication method according to the present embodiment is a radio communication method in a radio communication system having a transmission source radio and a transmission destination radio that receives a message from the transmission source radio. A step of transmitting a status change request for changing the status of the message at the transmission destination wireless device from read, a step of receiving the status change request by the transmission destination wireless device, and the transmission destination wireless device And a step of changing the status of the message from read in response to the status change request.

  According to the present invention, it is possible to provide a radio, a radio communication system, and a radio communication method that can change the status of a message with light traffic.

It is a figure which shows the structure of the radio | wireless communications system concerning this Embodiment. It is a block diagram which shows the structure of the radio | wireless machine concerning this Embodiment. It is a figure which shows typically the message display screen in a radio | wireless machine. It is a flowchart which shows the radio | wireless communication method concerning this Embodiment. It is a flowchart which shows the radio | wireless communication method concerning this Embodiment. It is a figure which shows the transmission message transmitted from a radio | wireless machine. It is a figure which shows the status confirmation request | requirement transmitted from a radio | wireless machine. It is a figure which shows the reply of the status confirmation request | requirement transmitted from a radio apparatus. It is a figure which shows the status change request | requirement transmitted from a radio | wireless machine. It is a figure which shows the status change completion notification transmitted from a radio | wireless machine. It is a figure which shows typically the message display screen which updated the transmission date.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram schematically illustrating a wireless communication system according to the present embodiment. The wireless communication system 100 includes a plurality of wireless devices 10. In FIG. 1, for simplification of description, two radio devices 10 included in the radio communication system 100 are illustrated as a radio device 10A and a radio device 10B. Of course, the number of wireless devices 10 included in the wireless communication system may be three or more.

  The wireless communication system 100 is a commercial wireless system used in stores, factories, construction sites, fire fighters, police, and the like. The wireless device 10A and the wireless device 10B are wireless terminals that perform wireless communication using a wireless signal having a frequency corresponding to a preset wireless channel in a commercial wireless network. The wireless device 10A and the wireless device 10B can perform voice communication by wireless communication. The voice call is, for example, PTT (Push To Talk). In PTT, the user can talk while the button is pressed, and when the call ends, the user releases the button. Regarding the call between the wireless device 10A and the wireless device 10B, since the same method as the conventional method can be used, the description is omitted.

  The wireless device 10A and the wireless device 10B may directly transmit and receive wireless signals, or may transmit and receive via a relay station or the like. When the wireless communication system 100 is a commercial wireless system, wireless communication is possible only between the wireless devices 10 included in the wireless communication system 100. That is, communication and communication between wireless devices with different wireless channels cannot be performed.

  Further, the wireless device 10A and the wireless device 10B can transmit and receive messages by wireless communication. In the following description, the message is described as a text message, but the message may be a voice message. In the following description, an example in which the wireless device 10A transmits a message to the wireless device 10B will be described. That is, the wireless device 10A is a message transmission source wireless device, and the wireless device 10B is a message transmission destination wireless device. Further, a user of the wireless device 10A is a user A, and a user of the wireless device 10B is a user B.

  A device-specific ID is set for each of the wireless devices 10A and 10B included in the wireless communication system 100. Further, when the wireless communication system 100 has a plurality of groups, group IDs may be set for the wireless devices 10A and 10B. In this case, the same group ID is set for the wireless devices 10A and 10B.

  The radio device 10A includes an antenna 20A, a display unit 21A, and an operation unit 23A. The radio device 10B includes an antenna 20B, a display unit 21B, and an operation unit 23B.

  The antennas 20A and 20B emit radio signals for transmitting and receiving messages toward the space. The antennas 20A and 20B capture radio signals from space.

  The display units 21A and 21B have a display device such as a liquid crystal display. The display units 21A and 21B display transmitted / received messages.

  The operation units 23A and 23B have operation buttons and the like for receiving an input operation. The operation units 23A and 23B accept button inputs for creating and transmitting messages. For example, the user A operates the operation unit 23B while looking at the display screen of the display unit 21A. User B operates the operation unit 23B while looking at the display screen of the display unit 21B. The operation units 23A and 23B may be touch panels provided on the front surfaces of the display units 21A and 21B.

  Next, the control configuration of the wireless device 10 will be described with reference to FIG. FIG. 2 is a control block diagram illustrating the configuration of the wireless device 10. Note that the radio devices 10A and 10B shown in FIG. 1 have the same configuration, and therefore will be described as the radio device 10 in FIG. That is, the antennas 20A and 20B, the display units 21A and 21B, and the operation units 23A and 23B illustrated in FIG. 1 correspond to the antenna 20, the display unit 21, and the operation unit 23 in FIG.

  The radio device 10 includes an antenna 20, a display unit 21, a message storage unit 22, an operation unit 23, a microcomputer 24, a signal analysis control unit 25, a state management / information control unit 26, a reception circuit 27, A demodulation unit 28, a transmission circuit 29, and a modulation unit 30 are provided.

  The message storage unit 22 includes, for example, a memory and stores transmission messages and reception messages. Further, the message storage unit 22 stores information regarding each message. Information relating to the message includes a status indicating whether the received message has been read or not. The message storage unit 22 stores the message and the status in association with each other. The message storage unit 22 may store a transmission source ID, a transmission date and time, a title, and the like as information about the message.

  The microcomputer 24 is a control unit including a signal analysis control unit 25 and a state management / information control unit 26. The microcomputer 24 has at least one processor, a memory, and the like, and executes predetermined processing by a program stored in advance in the memory. The signal analysis control unit 25 performs signal analysis for transmitting and receiving messages. For example, the signal analysis control unit 25 extracts information included in the received message. Further, the signal analysis control unit 25 generates a transmission signal based on a user operation. Further, the signal analysis control unit 25 generates display data to be displayed on the display unit 21 based on the received signal. Thereby, the display part 21 can display a message.

  The state management / information control unit 26 performs message status management. Specifically, the state management / information control unit 26 manages the status of whether the received message is read or unread. The state management / information control unit 26 changes the status of the message in accordance with a user input operation. For example, when the user opens a received message, the state management / information control unit 26 changes the status of the message from unread to read. Thereby, the status of the message stored in the message storage unit 22 is rewritten. Further, the state management / information control unit 26 executes processing for generating a status confirmation request, a response to the status confirmation request, a status change request, a status change completion notification, and the like. These processes will be described later.

  Further, the state management / information control unit 26 controls information regarding the message. For example, the state management / information control unit 26 reads information such as a transmission date / time, a transmission source ID, and a transmission destination ID for the message from the message storage unit 22 or writes the information in the message storage unit 22.

  The receiving circuit 27 receives a message, a status confirmation request, a response to the status confirmation request, a status change request, a status change completion notification, and the like. Therefore, the receiving circuit 27 has a demodulator 28 that demodulates the received signal captured by the antenna 20. The received signal demodulated by the demodulator 28 is output to the microcomputer 24.

  The transmission circuit 29 transmits a message, a status confirmation request, a response to the status confirmation request, a status change request, a status change completion notification, and the like. Therefore, the transmission circuit 29 has a modulation unit 30 that modulates the transmission signal generated by the microcomputer 24. The transmission signal modulated by the modulation unit 30 is emitted from the antenna 20.

  Here, a message display screen in the display unit 21 will be described with reference to FIG. The message display screen 50 in FIG. 3 displays a message reception history. As shown in FIG. 3, the message display screen 50 displays a list including a read / unread status (hereinafter, status) 51, a transmission source ID 52, a transmission date and time 53, and a title 54.

  The status 51 indicates whether the message has been read or not read. Specifically, the status 51 is indicated by a read icon 51a indicating that the message has been read and an unread icon 51b indicating that the message has not been read. For example, when the user opens a received message, the status 51 display is changed from the unread icon 51b to the read icon 51a.

  The transmission source ID 52 is an ID of the wireless device 10 that is the transmission source. When the transmission source ID 52 is “A”, this indicates that the message is transmitted by the wireless device 10A. When the transmission source ID 52 is “C” or “D”, it indicates that the message is transmitted by a wireless device 10 other than the wireless device 10A, that is, the wireless devices 10C and 10D (not shown).

  The transmission date and time 53 indicates the date and time when the message was transmitted. The title 54 is text indicating the title of the message.

  In FIG. 3, four messages are displayed in time order. The latest message is shown at the top. Here, the latest two messages are unread and the remaining two messages are already read.

  Next, the communication method according to the present embodiment will be described with reference to FIGS. FIG. 4 and FIG. 5 are flowcharts illustrating processing for the radio device 10A to change the status of the received message of the radio device 10B.

  First, the wireless device 10A transmits the message M to the wireless device 10B (S11). For example, the user A of the wireless device 10A operates the operation unit 23 of the wireless device 10A and inputs a message title, body text, and the like as text. When the user A presses the transmission button with the wireless device 10B as the destination, the transmission circuit 29 transmits the message M. At this time, the state management / information control unit 26 of the wireless device 10A writes the message M in the message storage unit 22 as a transmitted message. Further, the signal analysis control unit 25 adds a transmission date and time to the message M.

  FIG. 6 shows the data structure of the message M. The message M includes a head signal, a transmission destination ID, a message character string, and a termination signal. The message character string corresponds to a message title and a message body. The transmission destination ID is the ID of the wireless device 10B that is the transmission destination of the message M.

  The wireless device 10B receives the message M (S12). Here, the signal analysis control unit 25 of the wireless device 10B analyzes the received signal of the message M. Thereby, the transmission date and time of the message M, the transmission destination ID, and the like are extracted. Then, the state management / information control unit 26 writes the message M in the message storage unit 22 and its information. That is, the state management / information control unit 26 writes the status, transmission date / time, transmission source ID, transmission destination ID, title, message text, and the like of the message M in the message storage unit 22. At this time, the status of the message M is unread.

  Thereafter, the transmitter 10A transmits a status confirmation request for the message M to the wireless device 10B (S13). For example, when the user A operates the operation unit 23A, the message M whose status is to be confirmed is selected from the transmission history. Then, the state management / information control unit 26 reads the information of the message M from the message storage unit 22. Then, the signal analysis control unit 25 generates a status confirmation request based on the read message M information. The transmission circuit 29 modulates and transmits a status confirmation request signal.

  The data structure of the status confirmation request is shown in FIG. The status confirmation request includes a head signal, a transmission destination ID, message match determination information (hereinafter referred to as determination information), and a termination signal. The transmission destination ID is the ID of the wireless device 10B that is the transmission destination of the message M. Here, the determination information includes at least one of transmission date / time, transmission source ID, title, and text check sum. For example, when the status confirmation request for the fourth message from the top in FIG. 3 is made, the transmission date and time “6/15 14:34:53” and the transmission source ID “A” can be used as the determination information. . The transmission source ID is the ID of the wireless device 10A that is the transmission source of the message M. The data amount of the determination information is smaller than the data amount of the message character string assumed in operation.

  Based on the determination information of the status confirmation request, the wireless device 10B performs message matching determination (S14). Therefore, the reception circuit 27 of the wireless device 10B receives the status confirmation request. The signal analysis control unit 25 extracts the determination information included in the status confirmation request. Then, the state management / information control unit 26 compares the determination information with the received message information stored in the operation unit 23. That is, the state management / information control unit 26 searches the reception history for a message having information that matches the determination information.

  When the determination information matches the information of the received message (match of S14), the wireless device 10B determines whether or not the message M has been read (S15). That is, when the wireless device 10B appropriately receives the message M, there is a message having information that matches the determination information in the reception history of the wireless device 10B. Therefore, the state management / information control unit 26 confirms whether the status of the message M stored in the message storage unit 22 is read or unread.

  More specifically, it is assumed that the determination information of the status confirmation request includes the transmission date and time “6/15 14:34:53” and the transmission source ID “A”. In the reception history shown in FIG. 3, in the fourth message from the top, the transmission date and time is “6/15 14:34:53”, and the transmission source ID is “A”. Therefore, the information of the fourth message from the top matches the determination information. Therefore, the state management / information control unit 26 determines that there is a status confirmation request in the fourth message from the top. At this time, the state management / information control unit 26 may store the status confirmation request in the message storage unit 22.

  On the other hand, if the determination information and the information of the received message do not match (mismatch in S14), the wireless device 10B returns an error to the wireless device 10A (S16). Step S16 corresponds to a case where the wireless device 10B does not properly receive the message M due to, for example, a transmission error. More specifically, when transmitting the message M, when the wireless device 10B is outside the communication range of the wireless device 10A, or when the wireless device 10B has moved to a wireless channel different from the wireless channel of the wireless device 10A. The wireless device 10B has not received the message M. Therefore, there is no information message that matches the determination information in the reception history of the wireless device 10B. In this case, the wireless device 10B returns an error.

  Therefore, the state management / information control unit 26 of the wireless device 10B compares the determination information with the information of the received message included in the reception history. If there is no information message that completely matches the determination information, the signal analysis control unit 25 generates a response indicating that the status is an error. The transmission circuit 29 transmits a response indicating an error to the radio device 10A. After step S16, it continues to D of FIG. If the response is an error, the status change request is not sent or received.

  In step S15, when the message M has not been read (NO in S15), the wireless device 10B returns an unread message (S17). Here, the state management / information control unit 26 reads the status of the message M from the message storage unit 22. During step S12 to step S14, the user B of the wireless device 10B has not opened the message M, so the status is unread. And the signal analysis control part 25 produces | generates the reply which shows unread, and the transmission circuit 29 transmits to 10 A of radio | wireless machines. After step S17, the process continues to C in FIG. When the response is unread, the status change request is not transmitted / received.

  When the message M has been read (YES in S15), the wireless device 10B returns a read (S18). Here, as in step S17, the state management / information control unit 26 reads the status of the message M from the message storage unit 22. If the user B of the wireless device 10B has opened the message M during step S12 to step S14, the status of the message M is already read. Then, the signal analysis control unit 25 generates a response indicating the read. The transmission circuit 29 transmits a response to the radio device 10A. After step S18, it continues to B of FIG.

  FIG. 8 shows a data structure of a response transmitted from the wireless device 10B to the wireless device 10A. The response includes a head signal, a transmission source ID, a response status, and a termination signal. The transmission source ID indicates the transmission source of the message M, that is, the ID of the wireless device 10A. The response status indicates one of read (S18), unread (S17), and error (S16).

  Next, the processing after the response in step S16 to step S18 will be described with reference to FIG. It is determined whether or not the wireless device 10A receives a response to the status confirmation request within a predetermined time (S19). Specifically, after transmitting the status confirmation request, the signal analysis control unit 25 of the wireless device 10A analyzes the received signal. Then, the state management / information control unit 26 of the wireless device 10A determines whether or not the received signal is a response to the status confirmation.

  When the wireless device 10A has not received a response within a predetermined time (NO in S19), the display unit 21A displays a screen indicating that there is no response (S20). Thereby, the process ends. Further, after the wireless device 10A displays a screen indicating no response, the wireless device 10A may automatically or manually retransmit the status confirmation request for the message M. Furthermore, even if the status confirmation request is retransmitted a predetermined number of times, if the wireless device 10A cannot receive a response, the retransmission of the status confirmation request may be stopped.

  When the wireless device 10A receives a response within a predetermined time (YES in S19), the wireless device 10A determines whether or not the response has been read (S21). For example, the state management / information control unit 26 of the wireless device 10A confirms the response status included in the response.

  If the response has already been read (YES in S21), the wireless device 10A transmits a status change request for the message M (S22). For example, the state management / information control unit 26 of the radio device 10 </ b> A reads the information of the message M from the message storage unit 22. Then, the signal analysis control unit 25 of the radio device 10A generates a status change request based on the information of the message M. The transmission circuit 29 of the wireless device 10A modulates the status change request and transmits it to the wireless device 10B. The radio device 10A may automatically transmit a status change request. Alternatively, the user A may be inquired about transmission of a status change request.

  FIG. 9 shows the data structure of the status change request. The status change request includes a head signal, a transmission destination ID, a status unread change flag, and a termination signal. The status change request may include information for specifying a message for changing the status, for example, a transmission date and time.

  On the other hand, if the response has not been read (NO in S21), the wireless device 10A determines whether the response has not been read (S23). That is, the state management / information control unit 26 of the wireless device 10A determines whether the response status included in the response is unread or error.

  If the response is unread (YES in S23), the wireless device 10A displays a screen indicating that the status change has failed (S24). For example, the state management / information control unit 26 of the wireless device 10A causes the display unit 21A to display a text indicating that the status change has failed. Then, the process ends. When the status change fails, the state management / information control unit 26 of the wireless device 10A may change the status to an unread status or a status other than the read status.

  On the other hand, if the response is not unread (NO in S23), the wireless device 10A displays a screen indicating that there is no corresponding message (S25). For example, the state management / information control unit 26 of the wireless device 10A displays a text indicating that there is no corresponding message on the display unit 21A. Thereby, the process ends. When there is no corresponding message, the wireless device 10B does not transmit the message M. Therefore, the state management / information control unit 26 causes the display unit 21 to display a sentence or the like indicating that the wireless device 10B has not received the message M. In this case, the user A may be prompted to resend the message M. For example, the display unit 21 </ b> A displays a text that prompts retransmission of the message M.

  In step S22, when the wireless device 10A transmits a status change request, the wireless device 10B changes the status of the message M (S26). Thereby, the status of the message M in the wireless device 10B is changed from read to unread. For example, the reception circuit 27 of the wireless device 10B receives the status change request. The signal analysis control unit 25 of the wireless device 10B analyzes the status change request. Then, the state management / information control unit 26 of the wireless device 10B determines that the status change request is a status change request for the message M based on the status unread change flag. The state management / information control unit 26 of the wireless device 10B rewrites the status of the message M in the message storage unit 22 from read to unread.

  At this time, it may be displayed on the display unit 21B of the wireless device 10B that the status of the message M is rewritten. When changing the status, the wireless device 10B may make an inquiry to the user B. For example, when the wireless device 10B receives a status change request, the display unit 21B of the wireless device 10B may display a text for confirming whether or not the status change is permitted.

  Then, the radio device 10B transmits a status change completion notification to the radio device 10A (S27). As described above, the status management / information control unit 26 of the wireless device 10B rewrites the status of the message M from read to unread. Then, the signal analysis control unit 25 of the wireless device 10B generates a status change completion notification indicating that the status of the message M has been rewritten to unread. The transmission circuit 29 of the wireless device 10B transmits a status change completion notification to the wireless device 10A.

  The data structure of the status change completion notification is shown in FIG. The status change completion notification includes a head signal, a transmission source ID, an ACK, and a termination signal.

  Then, the wireless device 10A displays the completion of status change of the message M on the screen (S28). For example, the receiving circuit 27 of the wireless device 10A receives the status change completion. The signal analysis control unit 25 of the radio device 10A analyzes the status change completion notification. Then, the state management / information control unit 26 of the wireless device 10A detects that the status of the message M has been changed to unread. The state management / information control unit 26 of the wireless device 10A displays a sentence or the like indicating that the status of the message M has been changed to unread on the display unit 21A.

  According to the wireless device 10 described above, the status of the transmitted message stored in the wireless device 10B of the transmission destination can be changed from read to unread from the wireless device 10A of the transmission source without retransmitting the message itself. Therefore, it is possible to prompt the user B of the destination wireless device 10B to reread the already-read message. Since the status confirmation request, the status response, the status change request, and the status change completion notification do not include the message body, the amount of data can be reduced compared to the retransmission of the message M. Thereby, the increase in the traffic in the radio | wireless communications system 100 can be suppressed. According to the present embodiment, it is possible to reduce traffic as compared with the case where the wireless communication system 100 retransmits a message.

  Further, it is possible to contribute to an improvement in the usage efficiency of the message storage area in the message storage unit 22 of the wireless device 10B. That is, since the message is not retransmitted, the message storage unit 22 does not need to store a plurality of the same messages. Therefore, the storage capacity of the message storage unit 22 can be reduced. Therefore, the memory storage area can be used effectively.

  Furthermore, in this embodiment, it is preferable to transmit / receive a status confirmation request before transmitting / receiving a status change request. By doing so, the status change request can be transmitted only when the wireless device 10B receives a message for changing the status. When the response to the status confirmation request indicates read, the wireless device 10A transmits a status change request. On the other hand, when the response to the status confirmation request indicates unread or error, the wireless device 10A does not transmit the status change request. Therefore, the status change request is transmitted only when the status change is necessary. Thereby, the traffic load can be reduced.

  In the status confirmation request, the determination information includes at least one of transmission date and time, transmission source ID, title, and body check sum. As a result, it is possible to reliably identify a message for changing the status. The message confirmation request does not include a message body. By doing so, it is possible to promptly reread the message M with a small amount of data communication.

  When the determination information includes a transmission source ID unique to the wireless device 10, a status change request can be made only from the wireless device 10A that is the transmission source. Thus, by including the transmission source ID, it is possible to prevent the wireless devices 10 other than the wireless device 10A that is the transmission source from changing the status. Further, when the determination information does not include the transmission source ID unique to the wireless device 10, a status change request can be made from a wireless device 10 other than the wireless device 10A that is the transmission source.

  Furthermore, when the determination information includes the group ID of the wireless communication system 100, a status change request can be made from a wireless device 10 other than the wireless device 10A included in the same group. A wireless device 10 other than the wireless device 10A that has transmitted the message can change the status of the wireless device 10B. In other words, a status change request cannot be made from the wireless devices 10 included in different groups.

  Further, the status confirmation request and the status change request may be transmitted multiple times for the same message.

  Further, when the status change is completed, it is possible to display so as to prompt the user B to re-read. For example, the display order of messages whose status is changed from read to unread may be changed. Specifically, in the reception history as shown in FIG. 3, when the status of the message whose title 54 is “XXYY” is changed, the reception history of the message whose status is changed as shown in the message display screen 50a of FIG. You may make it move to the uppermost stage. For example, in FIG. 11, the display order of the reception history is changed by updating the transmission date and time according to the date and time when the status is changed. In FIG. 3, the reception date and time that was “6/15 14:34:53” is updated to “6/15 15:12:36” in FIG. In this case, it can be displayed as if a new message has been received. Therefore, it is possible to prompt the re-reading of the message M more effectively.

  Furthermore, it is possible to prompt re-reading more effectively by emphasizing the display of a message whose status has been changed. For example, characters or symbols that emphasize the display may be added. Add characters and icons such as “Important”, “Reread”, “Reply Required” to the message whose status has been changed. Further, the display color in the reception history may be changed for a message whose status has been changed. For example, messages whose status has been changed are displayed in red, and other messages are displayed in black. In this way, messages whose status has been changed can be more emphasized. Therefore, it is possible to perform display that prompts re-reading more effectively.

  The wireless devices 10A and 10B are not limited to portable wireless communication terminals, but may be stationary consoles or in-vehicle wireless devices. Furthermore, the wireless communication system 100 is not limited to a commercial wireless communication system. The radio devices 10A and 10B may be mobile phones using mobile phone lines. In this case, the wireless devices 10A and 10B are mobile phones, smartphones, and the like. Then, messages transmitted and received from the radio devices 10A and 10B may be transmitted as e-mails.

  The wireless communication method according to the present embodiment is suitable for a commercial wireless system. For example, in the business wireless system, the wireless device 10 that transmits and receives messages is limited. That is, communication is performed only between specific wireless devices 10. In the commercial wireless system, there is no fear that an unspecified terminal changes the status. On the other hand, in a public wireless communication system that transmits and receives e-mail and the like, a message is transmitted from an unspecified terminal. Therefore, in a public wireless communication system, an unspecified terminal may change the status.

  Note that the transmitting radio device 10A that transmits the message and the status change request may have only the transmission function without having the reception function. Further, the destination radio device 10B that receives the message and the status change request may have only a reception function without having a transmission function.

  Part or all of the above communication processing may be executed by a computer program. The programs described above can be stored and provided to the processor using various types of non-transitory computer readable media. Non-transitory computer readable media include various types of tangible storage media. Examples of non-transitory computer-readable media include magnetic recording media (for example, flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (for example, magneto-optical disks), CD-ROMs (Read Only Memory), CD-Rs, CD-R / W, semiconductor memory (for example, mask ROM, PROM (Programmable ROM), EPROM (Erasable PROM), flash ROM, RAM (Random Access Memory)). The program may also be supplied to the processor by various types of transitory computer readable media. Examples of transitory computer readable media include electrical signals, optical signals, and electromagnetic waves. The transitory computer readable medium can supply the program to the processor via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.

  Note that the present invention is not limited to the above-described embodiment, and can be changed as appropriate without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 10 Radio | wireless machine 20 Antenna 21 Display part 22 Message memory | storage part 23 Operation part 24 Microcomputer 25 Signal analysis control part 26 State management and information control part 27 Reception circuit 28 Demodulation part 29 Transmission circuit 30 Modulation part 50 Message display screen 51 Status 51a Read Icon 51b Unread icon 52 Source ID
53 Transmission date and time 54 Title 100 Wireless communication system

Claims (6)

A wireless communication system having a source radio and a destination radio capable of receiving a message from the source radio,
The transmission source radio is
A control unit for generating a status change request for changing the status of the message in the transmission destination radio device from read,
A transmission circuit for transmitting the message and the status change request to the transmission destination radio device,
The destination radio is
A receiving circuit for receiving the message and the status change request;
And a control unit that changes the status of the message from read in response to the status change request. The transmission source radio transmits a status confirmation request for confirming the status of the message in the transmission destination radio to the transmission destination radio.
In response to the status confirmation request, the transmission destination radio returns the status to the transmission source radio,
When the returned status indicates read, the transmission destination radio transmits a status change request to the transmission destination radio,
The wireless communication system according to claim 1, wherein the transmission destination wireless device changes the status of the message in response to the status change request. The status confirmation request includes the message match determination information,
The match determination information includes at least one of a transmission date and time of the message, a transmission source ID, a title, and a check sum of a message body,
The wireless communication system according to claim 2, wherein when the message that matches the match determination information is not stored in the transmission destination wireless device, the transmission source wireless device does not transmit the status change request. A radio that can send a message to a destination radio,
A control unit for generating a status change request for changing the status of the message in the transmission destination radio device from read,
And a transmission circuit that transmits the status change request to the transmission destination wireless device. A radio that can receive a message from a source radio,
A receiving circuit for receiving a status change request for changing the status of the message;
And a control unit that changes the status of the message from read in response to the status change request. A wireless communication method in a wireless communication system having a transmission source wireless device and a transmission destination wireless device that receives a message from the transmission source wireless device,
The transmission source radio transmits a status change request for changing the status of the message in the transmission destination radio from already read;
The destination radio receiving the status change request;
A wireless communication method comprising: a step in which the transmission destination wireless device changes the status of the message from read in response to the status change request.

Images