JP2017033206A - Mobile radio terminal and communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mobile radio terminal and a communication system that can materialize a mechanism of having a mobile station closer to a destination respond preferentially.SOLUTION: A mobile radio terminal of the present invention comprises a reception unit and a control unit. The reception unit receives communication information including transmission information and destination position information indicating the position of a destination from a base station. The control unit performs control to delay a notification start time to start giving notice of the transmission information as a distance between the position indicated by the destination position information received by the reception unit and the position of the mobile radio terminal is longer.SELECTED DRAWING: Figure 2

Description

  Embodiments described herein relate generally to a mobile radio terminal and a communication system.

  2. Description of the Related Art Conventionally, a technique for providing a group call in which a plurality of terminal devices are included in a group in advance and a call can be made simultaneously between a plurality of terminal devices in the group is known.

  For example, Patent Document 1 uses position information that can be acquired from GPS (Global Positioning System), calculates the distance between the position of a mobile station and a position specified from a base station (fixed station), and the mobile station is within a predetermined range. A technique for dynamically changing a call group by a method of answering a call within the range is disclosed.

JP-A-6-309596

  Here, in the normal operation of a service that needs to arrive quickly to the customer, such as a taxi or a delivery vehicle, for example, from the base station to all mobile stations belonging to the group, the destination Information is transmitted by voice, and a mobile station that can respond quickly to a mobile station in any position within the coverage of wireless communication acquires the customer. Considering the arrival time at the destination and efficient operation, it is important to assign the mobile station closest to the destination with priority, but in the past, the mobile stations closest to the destination were preferentially responded. There was no mechanism.

  The present invention has been made in view of the above, and an object of the present invention is to realize a mechanism for preferentially responding to a mobile station close to a destination.

  In order to solve the above-described problems and achieve the object, the present invention is a mobile radio terminal, and receives communication information including transmission information and destination position information indicating the position of the destination from a base station. Control that delays the notification start time for starting notification of the transmission information as the distance between the receiving unit and the position indicated by the destination position information received by the receiving unit and the position of the local station increases. And a control unit for performing.

  Further, the present invention is a communication system including a base station and a plurality of mobile radio terminals that perform radio communication with the base station, wherein the base station transmits transmission information and destination location information indicating a location of the destination Including a transmission unit that transmits communication information including: to each of the plurality of mobile radio terminals. Each of the plurality of mobile radio terminals includes a receiving unit that receives the communication information from a base station, a position indicated by the destination position information received by the receiving unit, and a position of the own station. A control unit that controls a notification start time for starting the notification of the transmission information so that the time for starting the notification of the transmission information is delayed as the distance increases.

  ADVANTAGE OF THE INVENTION According to this invention, the mechanism in which the mobile station near a destination responds preferentially is realizable.

FIG. 1 is a diagram illustrating an example of a schematic configuration of a communication system according to the first embodiment. FIG. 2 is a diagram illustrating an example of functions of each of the base station and the mobile radio terminal included in the communication system according to the first embodiment. FIG. 3 is a diagram illustrating an example of communication information according to the first embodiment. FIG. 4 is a flowchart illustrating an operation example of the mobile radio terminal according to the first embodiment. FIG. 5 is a diagram illustrating an example of functions of each of the base station and the mobile radio terminal included in the communication system according to the second embodiment. FIG. 6 is a diagram illustrating an example of communication information according to the second embodiment. FIG. 7 is a diagram illustrating an example of a schematic configuration of a communication system according to the second embodiment. FIG. 8 is a flowchart showing an operation example of the mobile radio communication terminal according to the second embodiment.

  Hereinafter, embodiments of a mobile radio terminal and a communication system according to the present invention will be described in detail with reference to the accompanying drawings. In addition, this invention is not limited by the following embodiment.

(First embodiment)
FIG. 1 is a diagram illustrating an example of a schematic configuration of a communication system 1 according to the present embodiment. As shown in FIG. 1, the communication system 1 includes a base station 10 and a plurality of mobile radio terminals 20. The base station 10 transmits later-described communication information including at least transmission information to the communication area (wireless communication coverage) via the relay station 30. Thereby, the mobile radio terminal 20 existing in the communication area can receive the communication information from the base station 10, and the mobile radio terminal 20 existing outside the communication area cannot receive the communication information from the base station 10. . In the example of FIG. 1, the wireless communication between the base station 10 and each mobile wireless terminal 20 existing in the communication range is half-duplex wireless communication. Half-duplex wireless communication is a form of wireless communication in which only one of transmission and reception can be performed.

  FIG. 2 is a diagram illustrating an example of functions of each of the base station 10 and the mobile radio terminal 20 included in the communication system 1 of the present embodiment. For convenience of explanation, in the example of FIG. 2, only one mobile radio terminal 20 is illustrated, but other mobile radio terminals 20 included in the communication system 1 also have the same function.

  As illustrated in FIG. 2, the base station 10 includes a reception unit 11, a destination location information request unit 12, a destination location information acquisition unit 13, a generation unit 14, and a transmission unit 15.

  The accepting unit 11 accepts various inputs in response to operations by an operator (operator) of the base station 10. For example, the accepting unit 11 designates a destination and a group (a group that performs a group call), and accepts a transmission request for transmission information for the designated group (referred to as a “first transmission request” for convenience of explanation). In addition, for example, the receiving unit 11 may specify only a group without specifying a destination, and may receive a transmission request for transmission information (referred to as a “second transmission request” for convenience of description) for the specified group. it can. As an example, the transmission information of the present embodiment includes voice information corresponding to the contents spoken while the operator pressed a PTT (Push to Talk) switch, but is not limited thereto.

  Hereinafter, the case where the above-described first transmission request is received by the reception unit 11 and the case where the above-described second transmission request is received by the reception unit 11 will be described separately. First, the case where the first transmission request is received by the receiving unit 11 will be described. The destination position information requesting unit 12 requests destination position information indicating the position of the destination specified by the first transmission request. In this example, the destination location information requesting unit 12 requests destination location information from a map application that is an application that provides map information prepared in advance.

  The destination position information acquisition unit 13 acquires destination position information. In this example, the destination position information acquisition unit 13 acquires the destination position information requested by the destination position information request unit 12 from a map application or the like. The destination position information can be represented by information indicating latitude and longitude, for example.

  The generation unit 14 generates communication information including transmission information and destination position information indicating the position of the destination. In this example, the communication information further includes a group ID for identifying the group that is the target of the group call, and destination designation call information indicating whether the call is for designating the destination. In the present embodiment, the generation unit 14 is acquired by the transmission information corresponding to the first transmission request described above (transmission information that is the target of the first transmission request described above) and the destination position information acquisition unit 13. Communication information is generated including destination position information, a group ID for identifying the group specified by the first transmission request, and destination designation call information indicating a call for designating the destination. FIG. 3 is a diagram illustrating an example of communication information generated by the generation unit 14.

  The description of FIG. 2 is continued. The transmission unit 15 transmits the communication information generated by the generation unit 14.

  Next, a case where the above-described second transmission request is received by the receiving unit 11 will be described. When the reception unit 11 receives the second transmission request, the transmission unit 15 identifies the transmission information corresponding to the second transmission request and the group specified by the second transmission request. Communication information including a group ID and destination designation call information indicating that it is not a call for designating a destination is transmitted. Note that the presence / absence of destination position information may also serve as destination designation call information indicating whether or not the call designates a destination.

  In this embodiment, the base station 10 has a hardware configuration including a CPU, a storage device such as a ROM and a RAM, and the CPU executes a program stored in the storage device, thereby causing the above-described function (accepting unit 11). , A destination position information request unit 12, a destination position information acquisition unit 13, a generation unit 14, and a transmission unit 15) are realized.

  The description of FIG. 2 is continued. As illustrated in FIG. 2, the mobile radio terminal 20 includes a reception unit 21, a storage unit 22, a location information management unit 23, a notification unit 24, a control unit 25, and a response unit 26. The receiving unit 21 receives communication information from the base station 10. The storage unit 22 stores transmission information received by the receiving unit 21. In this example, the storage unit 22 stores audio information included in the transmission information received by the receiving unit 21.

  The position information management unit 23 manages position information indicating the position of the own station. In this example, the mobile radio terminal 20 is provided with a GPS device 40 that receives a signal from a communication satellite and detects its current position. The position information management unit 23 periodically acquires position information from the GPS device 40 and holds the acquired position information.

  The notification unit 24 notifies transmission information. More specifically, the notification unit 24 outputs a notification start sound and reproduces audio information stored in the storage unit 22 under the control of the control unit 25.

  The control unit 25 performs control to delay the notification start time for starting notification of transmission information as the distance between the position indicated by the destination position information received by the reception unit 21 and the position of the own station is larger. .

  In this example, the control unit 25 matches the group identified by the group ID included in the communication information with the group to which the own station belongs, and the destination designation call information included in the communication information specifies the destination. The above control (control that delays the notification start time as the distance between the position indicated by the destination position information received by the receiving unit 21 and the position of the local station increases). I do. More specifically, the control unit 25 calculates the distance between the position indicated by the destination position information included in the communication information and the current position of the own station held by the position information management unit 23, and calculates The notification start time is determined so that the notification start time is delayed as the distance is increased. For example, every time the distance increases by 100 m, the notification start time may be delayed by 1 second. In this case, for example, when the distance is less than 100 m, the notification start time may be determined so as to immediately start notification of transmission information. After determining the notification start time, the control unit 25 sets a timer for detecting that the notification start time (in this example, it can be considered a waiting time until the notification starts) has been reached. When the timer times out, the control unit 25 controls the notification unit 24 to notify the transmission information.

  In this example, the control unit 25 performs control to reproduce the audio information stored in the storage unit 22 after reaching the notification start time. More specifically, after reaching the notification start time, the control unit 25 controls the notification unit 24 to output a notification start sound, and then reproduces the audio information stored in the storage unit 22. Is controlled.

  Further, for example, the control unit 25 is configured not to notify the transmission information when the distance between the position indicated by the destination position information received by the receiving unit 21 and the position of the own station is equal to or greater than a threshold value. May be. For example, the mobile radio terminal 20 side may hold a threshold value in advance, or the communication information transmitted from the base station 10 may include the threshold value. The threshold value can be arbitrarily set according to communication conditions and the like.

  The description of FIG. 2 is continued. The response unit 26 is substantially a transmission unit and includes a microphone (not shown) that detects the voice of the user of the mobile radio terminal 20 and a PTT switch that switches between transmission and reception. When the user of the mobile radio terminal 20 makes a response to the transmission information, the response unit 26 transmits response information indicating that the response has been completed. The response information is also transmitted to other mobile radio terminals 20 via the relay station 30. That is, when the own station makes a response to the transmission information, the response unit 26 transmits response information indicating that the response has been completed to the other mobile radio terminals 20. In the present embodiment, the control unit 25 receives the response information from the other mobile radio terminal 20 and, when the own station is informing the transmission information, causes the notification unit 24 to stop reporting the transmission information. Control. Moreover, the control part 25 controls the alerting | reporting part 24 not to alert | report transmission information, when response information is received from the other mobile radio | wireless terminal 20, and before the alerting | reporting of transmission information is started. Moreover, you may control the alerting | reporting part 24 to alert | report that it has responded.

  In the present embodiment, the mobile radio terminal 20 has a hardware configuration including a storage device such as a CPU, a ROM, and a RAM, and the CPU executes a program stored in the storage device, whereby the above-described function (reception unit) 21, position information management unit 23, notification unit 24, control unit 25, response unit 26). The storage unit 22 described above is realized by a storage device such as a ROM or a RAM.

  FIG. 4 is a flowchart illustrating an operation example of the mobile radio terminal 20 according to the present embodiment when communication information is received from the base station 10. As shown in FIG. 4, the control unit 25 determines whether or not the group identified by the group ID included in the communication information received by the receiving unit 21 matches the group to which the own station belongs (step). S1). If the result of step S1 is negative (step S1: No), the process ends. If the result of step S1 is positive (step S1: Yes), the control unit 25 calls the destination designation call included in the communication information. It is confirmed whether or not the information indicates a call specifying a destination (step S2).

  When the result of step S2 is affirmative (step S2: Yes), the control unit 25 calculates the distance between the position indicated by the destination position information included in the communication information and the current position of the own station (step S3). ). Next, the control unit 25 calculates a notification start time (step S4). As described above, the control unit 25 calculates the notification start time and sets the timer so that the notification start time is delayed as the distance calculated in step S3 increases.

  Next, the control unit 25 confirms whether or not the notification start time has been reached (step S5). In this example, it is possible to confirm whether or not the notification start time has been reached by confirming whether or not the timer has timed out. When the result of step S5 is affirmative (step S5: Yes), the control unit 25 controls the notification unit 24 so as to notify the transmission information. That is, transmission information notification processing is performed (step S6). The specific contents are as described above.

  In addition, when the result of the above-mentioned step S2 is negative (step S2: No), a process transfers directly to step S6.

  As described above, the mobile radio terminal 20 according to the present embodiment increases the distance between the position indicated by the destination position information included in the communication information received from the base station 10 and the position of the own station. Since control for delaying the broadcast start time for starting broadcast of transmission information is performed, it is possible to realize a mechanism for preferentially responding to a mobile station close to the destination.

(Second Embodiment)
Next, a second embodiment will be described. Description of parts common to the above-described first embodiment will be omitted as appropriate.

  FIG. 5 is a diagram illustrating an example of functions of each of the base station 10 and the mobile radio terminal 20 included in the communication system 1 of the present embodiment. As shown in FIG. 5, the base station 10 differs from the first embodiment described above in that it further includes a range specifying unit 16.

  The range designation unit 16 designates a priority range indicating a range in which transmission information is preferentially broadcast (range in a communication range) and one or more delay ranges indicating a range in which transmission information is broadcast with a delay. . For example, the range designation unit 16 can designate a priority range and one or more delay ranges in accordance with an operation of the operator, or can designate a predetermined priority range and one or more delay ranges.

  The generation unit 14 of the present embodiment is designated by the transmission information corresponding to the first transmission request described above, the destination position information acquired by the destination position information acquisition unit 13, and the first transmission request described above. A group ID for identifying the selected group, destination designation call information indicating that the call is for designating the destination, priority range information indicating the priority range designated by the range designation unit 16, and designation by the range designation unit 16 Communication information including the delay range information indicating the one or more delay ranges and the delay time information capable of specifying the delay time for each delay range is generated.

  FIG. 6 is a diagram illustrating an example of communication information generated by the generation unit 14 of the present embodiment. In this example, the communication information includes priority range information indicating a priority range in which transmission information is broadcast with priority, delay range information indicating one or more delay ranges in which transmission information is broadcast with delay, and each delay range. And delay time information that can specify the delay time of each of them. In the example of FIG. 6, the priority range information is information indicating that the priority range is within a radius Xkm from the destination. The delay range information includes the number of ranges and distance information, and indicates that the delay range is switched every time the distance indicated by the distance information is separated from the outer edge of the priority range. In the example of FIG. 6, the delay range is switched every time Ykm away from the outer edge of the priority range, and the number of delay ranges is three. When referring to the first delay range, the second delay range, and the third delay range from the order close to the priority range, the relationship among the priority range, the first delay range, the second delay range, and the third delay range is as shown in FIG. Become.

  In the example of FIG. 6, the delay time specifying information is delay time information indicating a delay time that increases each time the delay range is switched in a direction away from the priority range. In this example, the delay time corresponding to the first delay range is n (seconds), the delay time corresponding to the second delay range is n × 2 (seconds), and the delay time corresponding to the third delay range is n × 3 ( Seconds).

  In the present embodiment, the control unit 25 of the mobile radio terminal 20 controls the notification start time to a predetermined value (for example, a value that immediately starts notification of transmission information) when the own station belongs to the priority range. When the station belongs to the delay range, the broadcast start time is controlled to a value obtained by adding a delay time corresponding to the delay range to which the station belongs to a predetermined value. For example, when the own station belongs to the first delay range, the control unit 25 controls the notification start time to a value obtained by adding a delay time (n (seconds)) corresponding to the first delay range to a predetermined value. For example, when the own station belongs to the second delay range, the control unit 25 controls the notification start time to a value obtained by adding a delay time (n × 2 (seconds)) corresponding to the second delay range to a predetermined value. To do. For example, when the own station belongs to the third delay range, the control unit 25 controls the notification start time to a value obtained by adding a delay time (n × 3 (seconds)) corresponding to the third delay range to a predetermined value. To do.

  The control unit 25 does not broadcast transmission information when the own station does not belong to either the priority range or the delay range.

  FIG. 8 is a flowchart illustrating an operation example of the mobile radio terminal 20 according to the present embodiment when communication information is received from the base station 10. As shown in FIG. 8, the control unit 25 determines whether or not the group identified by the group ID included in the communication information received by the receiving unit 21 matches the group to which the own station belongs (step). S11). If the result of step S11 is negative (step S11: No), the process ends. If the result of step S11 is positive (step S11: Yes), the control unit 25 calls the destination designation call included in the communication information. It is confirmed whether or not the information indicates a call specifying a destination (step S12).

  If the result of step S12 is negative (step S12: No), the process proceeds to step S18 described later. When the result of step S12 is positive (step S2: Yes), the control unit 25 calculates the distance between the position indicated by the destination position information included in the communication information and the current position of the own station (step S13). ). Next, the control unit 25 checks whether or not the position of the own station belongs to the priority range based on the distance calculated in step S13 and the priority range information included in the communication information (step S14). For example, if the distance calculated in step S13 is a value less than or equal to the radius of the priority range, the own station is determined to belong to the priority range, whereas if the distance exceeds the priority range radius, the own station is determined to be within the priority range. Can be determined not to belong to.

  If the result of step S14 is affirmative (step S14: Yes), the process proceeds to step S18 described later. When the result of step S14 is negative (step S14: No), the control unit 25 determines that the local station is in any delay range based on the distance calculated in step S13 and the delay range information included in the communication information. It is confirmed whether it belongs or not (step S15).

  When the result of step S15 is positive (step S15: Yes), the control unit 25 calculates the notification start time (step S16). As described above, the control unit 25 calculates a value obtained by adding a delay time corresponding to the delay range to which the own station belongs to a predetermined value as a notification start time, and sets a timer. On the other hand, when the result of step S15 is negative (step S15: No), the process ends (notification of transmission information is not performed).

  Next, the control unit 25 confirms whether or not the notification start time has been reached (step S17). When the result of step S17 is positive (step S17: Yes), the control unit 25 performs transmission information notification processing (step S18).

  As mentioned above, although embodiment of this invention was described, the above-mentioned embodiment is shown as an example and is not intending limiting the range of invention. The present invention is not limited to the above-described embodiments as they are, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined.

  For example, the mobile radio terminal 20 further includes a function of searching for a route to the destination, and the control unit 25 from the current position of the own station to the position indicated by the destination position information included in the communication information received from the base station 10 It is also possible to perform a control for delaying the notification start time according to the calculated required time by calculating the required time required to move to (for example, it can also be calculated taking traffic information into consideration). In short, the control unit 25 sets the notification start time for starting the notification of transmission information as the time required to move from the position of the own station to the position indicated by the destination position information received by the reception unit 21 increases. The form which performs control which delays may be sufficient.

DESCRIPTION OF SYMBOLS 1 Communication system 10 Base station 11 Reception part 12 Destination position information request | requirement part 13 Destination position information acquisition part 14 Generation part 15 Transmission part 20 Mobile wireless terminal 21 Reception part 22 Storage part 23 Location information management part 24 Notification part 25 Control part 26 Response unit 30 Relay station 40 GPS device

Claims (10)

A mobile radio terminal,
A receiver that receives communication information from the base station including transmission information and destination location information indicating the location of the destination;
A control unit that performs control to delay notification start time for starting notification of the transmission information, as the distance between the position indicated by the destination position information received by the reception unit and the position of the own station is larger; Comprising
Mobile radio terminal. When the local station makes a response to the transmission information, the mobile station further includes a response unit that transmits response information indicating that a response has been made to another mobile radio terminal.
The mobile radio terminal according to claim 1. The controller is
When the response information is received from another mobile radio terminal and the own station is informing the transmission information, the transmission information is stopped and the response information is received from the other mobile radio terminal. And before starting the notification of the transmission information, to control the notification unit that notifies the transmission information so as not to notify the transmission information,
The mobile radio terminal according to claim 2. A storage unit for storing audio information included in the transmission information;
The control unit performs control to reproduce the audio information stored in the storage unit after reaching the notification start time.
A mobile radio terminal according to any one of claims 1 to 3. The communication information includes a group ID that identifies a group that is a target of a group call, and destination designation call information that indicates a call that designates a destination,
The control unit indicates a position indicated by the destination position information received by the receiving unit when the group identified by the group ID included in the communication information matches the group to which the own station belongs. And, as the distance between the position of the own station is larger, control to delay the notification start time,
A mobile radio terminal according to any one of claims 1 to 4. The communication information includes priority range information indicating a priority range in which the transmission information is broadcast with priority, delay range information indicating one or more delay ranges in which the transmission information is broadcast with delay, and for each delay range And delay time information that can identify the delay time of
The controller is
Control the notification start time according to the range to which the position of the own station belongs,
A mobile radio terminal according to any one of claims 1 to 5. The controller is
When the own station belongs to the priority range, the notification start time is controlled to a predetermined value, and when the own station belongs to the delay range, the notification start time corresponds to the delay range to which the own station belongs. Controlling the delay time to a value added to the predetermined value;
The mobile radio terminal according to claim 6. The controller is
When the own station does not belong to either the priority range or the delay range, the transmission information is not broadcasted.
The mobile radio terminal according to claim 6 or 7. A mobile radio terminal,
A receiver that receives communication information from the base station including transmission information and destination location information indicating the location of the destination;
As the time required for moving from the position of the own station to the position indicated by the destination position information received by the receiving unit is larger, the notification start time for starting the transmission information is delayed. A control unit,
Mobile radio terminal. A communication system including a base station and a plurality of mobile radio terminals that perform radio communication with the base station,
The base station
A transmission unit for transmitting communication information including transmission information and destination position information indicating a position of the destination to each of the plurality of mobile radio terminals;
Each of the plurality of mobile radio terminals is
A receiving unit for receiving the communication information from a base station;
The transmission information is notified so that the longer the distance between the position indicated by the destination position information received by the receiving unit and the position of the own station is, the longer the time to start notification of the transmission information is. A control unit for controlling the notification start time to start,
Communications system.

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