JP2019134193A - Terminal, communication device, base station, communication system, communication method, and program - Google Patents

Abstract

To solve the problem in which, in order for a terminal to obtain positional information, the terminal needs to always enable its GPS function and power consumption increases.CONSTITUTION: A terminal in one aspect of the present invention includes, in the terminal for transmitting an emergency notice: an emergency notice call origination unit for notifying the emergency notice; a positional information processing unit for identifying the position of the terminal; a terminal function control unit for starting the positional information processing unit in response to notifying the emergency notice; and a terminal communication unit for transmitting the emergency notice and information on the position of the terminal to an emergency notice destination.SELECTED DRAWING: Figure 30

Description

  The present invention relates to a terminal, a communication device, a base station, a communication system, a communication method, and a program.

  When a terminal notifies an emergency call, the location of the terminal can be notified to the receiving agency of the emergency call (police, fire department, Japan Coast Guard) by notifying the location information of the terminal. It becomes possible to respond quickly to emergency situations.

  Here, as a technique for grasping the position information of the terminal, there are techniques described in Patent Documents 1 and 2.

  Patent Document 1 can calculate highly accurate position accuracy even under environmental conditions where it is difficult to maintain position accuracy (when the reception state of satellite signals from GPS: Global Positioning System is not good). A technology related to an information terminal is disclosed.

  In addition, Patent Document 2 transmits a signal similar to a GPS signal transmitted from a satellite to a transmitter disposed indoors, and each terminal receives the signal, thereby performing position measurement in the same manner as in normal outdoor operation. The technique to perform is disclosed.

JP 2009-042045 A Japanese Patent No. 5440894

  However, in the technique described in Patent Document 1, in order for a terminal to acquire position information, a function for exchanging the position information of the terminal must be always enabled, and power consumption increases accordingly. There is a problem of doing.

  Further, the technique described in Patent Document 2 also has a problem that in order for a terminal to obtain position information, the GPS function of the terminal must be always enabled, and power consumption increases accordingly.

  In view of the above problems, an object of the present invention is to provide a terminal, a communication apparatus, a base station, a communication system, a communication method, and a program capable of acquiring position information when the terminal is necessary while suppressing power consumption of the terminal. It is to be.

  The terminal according to one aspect of the present invention is the terminal that transmits the emergency call, the emergency call calling unit that notifies the emergency call, the position information processing unit that specifies the position of the terminal, and the emergency call notification And a terminal function control unit that activates the position information processing unit, and a terminal communication unit that transmits information on the emergency call and the location of the terminal to an emergency call destination.

  The terminal according to one aspect of the present invention activates an emergency call calling unit that notifies the emergency call, a position information processing unit that specifies the position of the terminal, and the position information processing unit in a terminal that transmits an emergency call. And a terminal communication unit that transmits information related to the emergency call and the location of the terminal to an emergency call destination. The terminal function control unit is configured to activate a location information acquisition function. The position information processing unit is activated in response to the reception of a signal requesting the position information.

  A communication apparatus according to an aspect of the present invention includes a communication apparatus that distributes position information to a terminal, a communication apparatus communication unit that receives a position information request from the terminal, and position information of the terminal that has transmitted the position information request. A location information delivery unit that notifies the communication device function control unit that activates the location information delivery unit, and the communication device communication unit sends the location information notified from the location information delivery unit to the terminal. It is characterized by doing.

  In the base station in one aspect of the present invention, the base station communication unit that receives an emergency call from a terminal, and the base station communication unit receives the emergency call, the terminal and the communication device, And a terminal function control instruction unit that transmits a signal instructing activation of the position information acquisition function.

  A communication system according to an aspect of the present invention includes a terminal that transmits an emergency call, and a communication device that distributes location information to the terminal, wherein the terminal notifies the emergency call; Information relating to the position of the terminal that transmitted the information, the terminal function control means for activating the position information processing means in response to the notification of the emergency notification, and the information regarding the location of the emergency notification and the terminal Including terminal communication means for transmitting the message to the emergency call destination.

  A communication system according to an aspect of the present invention includes a terminal that transmits an emergency call and a communication device that distributes position information to the terminal, wherein the communication device is a position of a terminal that has transmitted the position information request. Position information distribution means for notifying information, and communication device function control means for activating the position information distribution means, wherein the communication device communication means transmits the notified position information to the terminal. Features.

  A communication system according to an aspect of the present invention includes: a terminal that transmits an emergency call; a communication device that distributes position information to the terminal; and a base station that transmits an emergency call from the terminal to an emergency call destination. The base station is configured to receive base station communication means for receiving an emergency call from a terminal, and to acquire location information for the terminal and the communication device in response to the base station communication means receiving the emergency call. Terminal function control instruction means for transmitting a signal instructing activation of the function.

A communication system according to an aspect of the present invention includes: a terminal that transmits an emergency call; a communication device that distributes position information to the terminal; and a base station that transmits an emergency call from the terminal to an emergency call destination. And the base station transmits a signal instructing activation of a location information acquisition function to the terminal in response to the base station receiving an emergency call transmitted from the terminal. .

  The communication method in one aspect of the present invention is a method for transmitting an emergency call and location information, the step of notifying the emergency call, the step of specifying the position of the terminal that has transmitted the emergency call, and the emergency The method includes a step of instructing start of acquisition of position information in response to notification of a report, and a step of transmitting information related to the emergency call and the location of the terminal to an emergency call destination.

  A communication method according to an aspect of the present invention is a method for transmitting an emergency call and location information, the step of notifying the emergency call, the step of specifying the location of the terminal, and an instruction to start acquisition of location information And transmitting the information related to the emergency call and the location of the terminal to an emergency call destination, and starting the acquisition of the position information in response to receiving an instruction to start acquiring the position information It is characterized by that.

  A communication method according to an aspect of the present invention is a method for transmitting an emergency call and location information, the step of notifying location information of a terminal that has transmitted the location information request, and activating the location information distribution means. And a step of transmitting the notified location information to the terminal.

  A communication method according to an aspect of the present invention is a method for transmitting an emergency call and location information, the step of receiving an emergency call from a terminal, and the terminal and the terminal in response to receiving the emergency call And a step of instructing the communication device to start acquisition of position information.

  The present invention can provide a communication system, a terminal, a network node, a communication method, and a program capable of acquiring position information when the terminal is necessary while suppressing power consumption of the terminal.

It is a structural example of the communication system of 1st Embodiment. It is another example of a structure of the communication system of 1st Embodiment. It is another example of a structure of the communication system of 1st Embodiment. It is an example of composition of terminal 10 in a 1st embodiment. It is a structural example of the communication apparatus 11 in 1st Embodiment. It is an example of composition of GPS satellite 20 of a 1st embodiment. It is a sequence diagram which shows the operation example of the communication system of 1st Embodiment. It is a structural example of the communication system of 2nd Embodiment. It is a structural example of the terminal 12 of 2nd Embodiment. It is a structural example of the communication apparatus 13 of 2nd Embodiment. It is a structural example of the base station 30 of 2nd Embodiment. It is a sequence diagram which shows the operation example of the communication system of 2nd Embodiment. It is a structural example of the communication system of 3rd Embodiment. It is a structural example of the base station 31 of 3rd Embodiment. It is a structural example of MEC40 of 3rd Embodiment. It is a structural example of MME50 of 3rd Embodiment. It is a structural example of MTC-IWF60 of 3rd Embodiment. It is a sequence diagram which shows the operation example of the communication system of 3rd Embodiment. It is a structural example of the communication system of 4th Embodiment. It is a structural example of MME51 of 4th Embodiment. It is a flowchart which shows the operation example of the communication system of 4th Embodiment. It is a structural example of the communication system of 5th Embodiment. It is a structural example of SCS70 of 5th Embodiment. It is a structural example of the external server 80 of 5th Embodiment. It is a structural example of S-GW90 of 5th Embodiment. It is a structural example of P-GW95 of 5th Embodiment. It is a flowchart which shows the operation example of the communication system of 5th Embodiment. It is a flowchart which shows the other operation example of the communication system of 5th Embodiment. It is a structural example of the communication system of 6th Embodiment. It is a structural example of the terminal 14 in 6th Embodiment. It is a structural example of the base station 32 of 6th Embodiment. It is an example of the computer which implement | achieves the structural example of the terminal 14 of 6th Embodiment. It is an example of the computer which implement | achieves the structural example of the communication apparatus 11 of 6th Embodiment.

  Hereinafter, embodiments and examples of the present invention will be described with reference to the drawings. Each embodiment and each example are illustrative, and the present invention is not limited to each embodiment and each example. Note that the reference numerals of the drawings attached to the outline are attached to the respective elements for convenience as an example for facilitating understanding, and the description of the outline is not intended to be any limitation.

[First Embodiment]
[Description of configuration]
A first embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a configuration example of a communication system according to the first embodiment. The communication system according to the first embodiment includes a terminal 10, a communication device 11, and a GPS (Global Positioning System) satellite 20.

  The terminal 10 is, for example, a mobile phone, a smartphone, a PC (Personal Computer), a mobile router, a smart device (for example, a wearable terminal), an IoT device (for example, a vehicle or an in-vehicle terminal), or the like. The terminal 10 can transmit an emergency call. The emergency call is a signal for the user of the terminal 10 to notify the police, the Japan Coast Guard, the fire department, etc. (emergency call receiving organization) that an emergency has occurred. For example, when a fire has occurred, the user of the terminal 10 notifies the emergency notification from the terminal 10 to notify the fire department of the occurrence of the fire. For example, when a suddenly ill person has occurred, the user of the terminal 10 notifies the emergency notification from the terminal 10 in order to notify the occurrence of the suddenly ill person to the fire department. For example, when a crime occurs, the user of the terminal 10 notifies the emergency notification from the terminal 10 in order to notify the police of the occurrence of the crime. The notification of the emergency call is not limited to these examples, and the user of the terminal 10 notifies the predetermined emergency call receiving organization from the terminal 10 when various emergency situations occur.

  The communication device 11 has a function of notifying the terminal 10 of information (position information) regarding the position of the communication device 11 (own device) as a position information distribution station. For example, the communication device 11 notifies the terminal 10 of the position information of the communication device 11 in response to a predetermined trigger. For example, the communication device 11 notifies the terminal 10 of the position information of the communication device 11 in response to a request from the terminal 10. Note that the timing at which the communication device 11 notifies the terminal 10 of the position information is not limited to these examples, and may be any timing. Moreover, the communication terminal 11 may always transmit the position information regardless of whether or not the terminal 10 receives, for example.

  The communication device 11 is installed in a place where radio waves from GPS satellites cannot be received, such as indoors or underground. The communication device 11 is installed at predetermined intervals, for example. The communication device 11 is a device having a function for notifying position information in addition to other main functions, for example. Other main functions are, for example, a function as a digital signage and a function as an access point of a wireless LAN (Local Area Network). Note that the communication device 11 may be a dedicated device for notifying position information, for example.

  The communication device 11 is, for example, a digital signage display, a Wi-Fi (Wireless Fidelity) router, a Beacon station, or the like. Further, the communication device 11 may be an RF-ID tag or the like. Note that the communication device 11 can communicate with the terminal 10 by short-range wireless communication or inter-device communication (LTE Direct or the like).

  The GPS satellite 20 transmits a predetermined signal (GPS information) to the terminal 10. For example, the GPS satellite 20 transmits GPS information to the terminal 10 at a predetermined interval.

  FIG. 2 is a diagram illustrating another configuration example of the communication system according to the first embodiment. 2 illustrates an LTE (Long Term Evolution) communication system, the communication system of the present invention is not limited to the example of FIG. For example, the present invention is applicable to GPRS (General Packet Radio Service), UMTS (Universal Mobile Telecommunication System), WiMAX (Worldwide Interoperability for Microwaves, etc.).

  As shown in FIG. 2, the first communication system includes a terminal 10, a communication device 11, a GPS satellite 20, a base station 30, each network node (MME: Mobility Management Entity) 50, S-GW (SGW). : Serving Gateway (90), P-GW (Packet data network Gateway (PGW) 95), IMS NW (IP Multimedia Subsystem Network), Packet NW VPN (Emergency Private Network), Emergency Network (NW) Including report receiving organization).

  The terminal 10 is connected to the base station 30 and accesses a network such as the Internet (IMS NW, packet NW VPN, telephone NW in FIG. 2) via each network node. The terminal 10 is connected to the base station 30 and transmits an emergency call to an emergency call destination via a network or the like.

  Each network node illustrated in FIG. 2 executes predetermined signal processing. Each network node includes the following functions related to signal processing, for example.

  P-GW95: A function for processing packets (User-Plane function), a function for managing a charging state according to communication (PCEF: Policy and Charging Enforcement Function), a function for controlling policies such as QoS (PCRF: Policy and Charging) Rule Function).

  S-GW90: a function for processing a packet (User-Plane function), a function for processing control signaling (C-Plane function), and a lawful interception (LI: Lawful Interception) function for intercepting communication.

  MME50: A function for processing control signaling (C-Plane function) and a function for managing subscriber information of a communication system in cooperation with HSS (Home Subscriber Server).

  The IMS NW is a network that provides multimedia communication services such as voice calls, videophone calls, and SMS. Voice calls for emergency calls are also provided through this IMS.

  The packet NW VPN is a network that securely connects the P-GW 95 that is the exit of the mobile network and the emergency call destination, and the location information transmitted by the reporting terminal is transferred to the emergency call destination via the packet NW VPN. .

  The telephone NW is a public switched telephone network (PSTN) in which a voice call service is provided by a circuit switching system. When the emergency call destination subscribes only to the PSTN network, it is necessary to connect the call to the call terminal and the emergency call destination via the PSTN network.

  The emergency call destination is an organization that receives an emergency call from the terminal 10, for example, an emergency call receiving organization such as the police, the Japan Coast Guard, or a fire department.

  FIG. 3 is a diagram illustrating another configuration example of the communication system according to the first embodiment. As illustrated in FIG. 3, the communication system according to the first embodiment includes a terminal 10, a communication device 11, a GPS satellite 20, a base station 30, an MME 50, a PS (Packet Switch) domain, and a CS ( (Circuit Switch) domain, packet NW VPN, telephone NW, and emergency call destination (emergency call receiving organization).

  The PS domain is a network that provides services based on packet switching in UMTS, and data communication services such as Internet connection services are provided in the PS domain.

  The CS domain is a network that provides a service based on circuit switching in UMTS, and a voice call service including an emergency call is provided in the CS domain.

  When the terminal 10 makes an emergency call, the voice call is connected to the emergency call destination via the base station 30 and the CS domain. The location information acquired by the terminal 10 is transmitted to the emergency call destination via the base station 30 and the PS domain.

  FIG. 4 is a diagram illustrating a configuration example of the terminal 10 in the first embodiment. As shown in FIG. 4, the terminal 10 includes a terminal communication unit 101, an emergency call calling unit 102, an emergency call recognition unit 103, a terminal function control unit 104, and a position information processing unit 105.

  The terminal communication unit 101 has a function of transmitting an emergency call, for example. When the terminal communication unit 101 receives the emergency call from the emergency call calling unit 102, the terminal communication unit 101 transmits the emergency call to a predetermined emergency call receiving organization. The emergency call may be transmitted, for example, immediately after being received from the emergency call calling unit 102, or after receiving the location information from the location information processing unit 105, the emergency call and the location information of the terminal are predetermined. You may send to all emergency call destinations.

  The terminal communication unit 101 has a function of receiving position information from the communication device 11, for example. When receiving the location information from the location information processing unit 105, the terminal communication unit 101 transmits the location information to a predetermined emergency call receiving organization.

  In addition to these functions, the terminal communication unit 101 has a function capable of transmitting and receiving various signals.

  The emergency call calling unit 102 has a function of transmitting an emergency call via the terminal communication unit 101. For example, the emergency call calling unit 102 transmits a predetermined emergency call via the terminal communication unit 101 according to the operation of the user of the terminal 10.

  The emergency call recognition unit 103 recognizes that the terminal 10 has transmitted an emergency call. For example, the emergency call recognition unit 103 recognizes that an emergency call has been transmitted based on a notification from the emergency call calling unit 102. The emergency call recognition unit 103 notifies the terminal function control unit 104 that the transmission of the emergency call has been recognized in response to detecting the transmission of the emergency call by the emergency call calling unit 102. The emergency call recognizing unit 103 detects the fact that a specific telephone number (110, 119, etc.) used for the emergency call is input to the terminal 10 and makes a call to the terminal function control unit 104, for example. Notifying that the transmission of the emergency call has been recognized.

  The terminal function control unit 104 controls various functions included in the terminal 10. The terminal function control unit 104 controls activation and termination of various functions included in the terminal 10. For example, the terminal control unit 104 activates the position information processing unit 105 in response to a request from the emergency call recognition unit 103. For example, in response to a request from the emergency call recognition unit 103, the terminal function control unit 104 may request the position information processing unit 105 to start a function for acquiring position information.

  In response to a request from the terminal function control unit 104, the position information processing unit 105 starts acquiring position information and calculates the position information of the terminal 10. The position information processing unit 105 starts acquiring position information from the communication device 11 in response to a request from the terminal function control unit 104. The position information processing unit 105 notifies the acquired emergency information to a predetermined emergency call receiving organization via the terminal communication unit 101. The position information processing unit 105 may acquire position information from the plurality of communication devices 11 and calculate the position of the terminal 10. In this case, the position information processing unit 105 notifies the calculated information regarding the position of the terminal 10 to a predetermined emergency call receiving organization via the terminal communication unit 101. The predetermined emergency call receiving organization is the emergency call receiving organization to which the emergency call calling unit 102 has notified the emergency call.

  The position information processing unit 105 may receive a predetermined signal (GPS information) from the GPS satellite 20. The position information processing unit 105 receives predetermined signals from the plurality of GPS satellites 20 and calculates the position of the terminal 10. In this case, the position information processing unit 105 notifies the calculated information regarding the position of the terminal 10 to a predetermined emergency call receiving organization via the terminal communication unit 101.

  As described above, the terminal 10 of the first embodiment requests activation of the position information processing unit 105 in response to the emergency call calling unit 102 transmitting an emergency call. Therefore, even if the position information processing unit 105 is not activated when the emergency call is transmitted, the position information processing unit 105 can be activated and the position information of the terminal 10 can be acquired. .

  FIG. 5 is a diagram illustrating a configuration example of the communication device 11 according to the first embodiment. As illustrated in FIG. 5, the communication device 11 includes a communication device communication unit 111 and a position information distribution unit 112.

  The communication device communication unit 111 notifies the terminal 10 of information (position information) related to the position of the communication device 11. For example, the communication device communication unit 111 receives a position information transmission request (position information request) from the terminal 10. The communication device communication unit 111 transmits the position information notified from the position information distribution unit 112 to the terminal that transmitted the position information request. In addition to these functions, the communication device communication unit 111 has a function capable of transmitting and receiving various signals.

  The position information distribution unit 112 transmits the position information of the communication device 11 via the communication device communication unit 111. The position information distribution unit 112 transmits the position information via the communication device communication unit 111 in response to receiving a predetermined request. The position information distribution unit 112 may always transmit position information. Note that the position information distribution unit 112 may transmit the position information at a predetermined interval. The position information notified by the position information distribution unit 112 is, for example, the latitude and longitude of the communication device 11.

  FIG. 6 is a diagram illustrating a configuration example of the GPS satellite 20 according to the first embodiment. As illustrated in FIG. 6, the GPS satellite 20 includes a GPS satellite communication unit 201 and a GPS information distribution unit 202.

  The GPS satellite communication unit 201 transmits a predetermined signal to the terminal 10.

  The GPS information distribution unit 202 transmits a predetermined signal (GPS information) to the terminal 10 via the GPS satellite communication unit 201. The GPS information distribution unit 202 transmits a predetermined signal (GPS information) to the terminal 10 at a predetermined interval.

[Description of operation]
In the first embodiment of the present invention, an operation in which the terminal 10 acquires position information will be described with reference to FIG.

  FIG. 7 is a sequence diagram illustrating an operation example of the communication system according to the first embodiment.

  The emergency call calling unit 102 of the terminal 10 issues an emergency call via the terminal communication unit 101 (S1-1). The called emergency call is transmitted to the base station 30 as a high-priority signal ("Emergency Attach") (S1-2). “Emergency Attach” is an Attach Request in which “Attach Type =“ Emergency ”” and “Request Type =“ Emergency ”” are set.

  The emergency call recognition unit 103 of the terminal 10 requests the terminal function control unit 104 to start the position information processing unit 105 in response to the terminal 10 transmitting the emergency call (S1-3).

  The terminal function control unit 104 of the terminal 10 activates the location information processing unit 105 in response to a request from the emergency call recognition unit 103 (“activate location information acquisition function” in S1-4). For example, the position information processing unit 105 may transmit a position information request to the communication device 11 or the GPS satellite 20.

  The position information processing unit 105 of the terminal 10 receives position information from the communication device 11 or GPS information from the GPS satellite 20 (S1-5), and based on the received position information or GPS information, the terminal The position of 10 is calculated (S1-6).

  The position information processing unit 105 of the terminal 10 notifies the emergency call destination (emergency call receiving organization) of the information (position information) related to the calculated position of the terminal 10 via the base station 30 (S1-7).

  As described above, in the first embodiment of the present invention, the function (position information processing unit 105) for processing the location information of the own device (terminal 10) in response to the terminal 10 calling an emergency call. ). Therefore, for example, the terminal 10 activates the function in response to calling the emergency call even if the function for processing the location information is not activated when calling the emergency call. Ten pieces of position information can be calculated. Therefore, the terminal 10 can notify the emergency call receiving organization of the position information of the own device (terminal 10).

[Second Embodiment]
[Description of configuration]
The second embodiment of the present invention is an embodiment when the base station 30 recognizes an emergency call originated by the terminal 12. Note that the technique of the second embodiment can be applied to both the first embodiment and the later-described embodiments.

  FIG. 8 is a diagram illustrating a configuration example of a communication system according to the second embodiment. As shown in FIG. 8, the communication system of the second embodiment includes a terminal 12, a communication device 13, a base station 30, each network node (MME 50, S-GW 90, P-GW 95), and an IMS NW. , Packet NW VPN, telephone NW, and emergency call destination (emergency call receiving organization). Note that the second communication system may include a GPS satellite 20.

  In the second embodiment, the base station 30 transmits a signal requesting activation of a predetermined function to the terminal 12 in response to receiving an emergency call from the terminal 12. The predetermined function is, for example, a position information acquisition function included in the terminal 12 or an inter-device communication function.

  The terminal 12 activates the predetermined function in response to receiving a signal requesting activation of the predetermined function from the base station 30. For example, the terminal 12 activates the position information acquisition function in response to receiving a signal requesting activation of the position information acquisition function from the base station 30 and starts acquiring the position information notified from the communication device 13. To do.

  Moreover, in 2nd Embodiment, the base station 30 transmits the request | requirement for starting the function which distributes a positional information with respect to the communication apparatus 13, according to having received the emergency call from the terminal 12. FIG. For example, the base station 30 transmits a request for starting the function of distributing the position information to the communication device 13 connected to the base station 30.

  In response to receiving a request for starting a function for distributing position information from the base station 30, the communication device 13 starts a function for distributing the position information and starts distributing position information to the terminal 12. .

  FIG. 9 is a diagram illustrating a configuration example of the terminal 12 in the second embodiment. As illustrated in FIG. 9, the terminal 12 includes a terminal communication unit 101, an emergency call calling unit 102, a terminal function control unit 104, and a position information processing unit 105.

  The terminal communication unit 101 has a function of transmitting an emergency call, for example. When the terminal communication unit 101 receives the emergency call from the emergency call calling unit 102, the terminal communication unit 101 transmits the emergency call to a predetermined emergency call receiving organization. The emergency call may be transmitted, for example, immediately after being received from the emergency call calling unit 102, or after receiving the location information from the location information processing unit 105, the emergency call and the location information of the terminal are predetermined. You may send to all emergency call destinations.

  The terminal communication unit 101 has a function of receiving position information from the communication device 13, for example. When receiving the location information from the location information processing unit 105, the terminal communication unit 101 transmits the location information to a predetermined emergency call receiving organization.

  For example, the terminal communication unit 101 receives a signal requesting activation of the position information acquisition function from the base station 30. When the terminal communication unit 101 receives a request for starting the position information acquisition function from the base station 30, the terminal communication unit 101 transmits the request to the terminal function control unit 104.

  In addition to these functions, the terminal communication unit 101 has a function capable of transmitting and receiving various signals.

  The emergency call calling unit 102 has a function of transmitting an emergency call via the terminal communication unit 101. For example, the emergency call calling unit 102 transmits a predetermined emergency call via the terminal communication unit 101 according to the operation of the user of the terminal 10.

  The terminal function control unit 104 activates the function of the location information processing unit 105 in response to the terminal communication unit 101 receiving a signal requesting activation of the location information acquisition function from the base station 30. For example, the terminal function control unit 104 transmits a signal requesting acquisition of position information to the position information processing unit 105 in response to receiving a signal requesting activation of the position information acquisition function from the base station 30. May be.

  The terminal function control unit 104 activates the inter-device communication function included in the terminal communication unit 101 in response to receiving a signal requesting activation of the position information acquisition function from the base station 30. The inter-device communication function is an interface used for the terminal 12 to communicate with the communication device 13, for example.

  In response to a request from the terminal function control unit 104, the position information processing unit 105 starts to acquire position information via the inter-device communication function (interface) included in the terminal communication unit 101. For example, the position information processing unit 105 calculates the position of the terminal 12 based on the acquired position information. For example, the terminal 12 acquires position information from the plurality of communication devices 13 and calculates the position of the terminal 12 based on the acquired position information. The terminal 12 starts receiving GPS information from the GPS satellite 20 in response to receiving a signal requesting activation of the position information acquisition function from the base station 30, and calculates the position of the terminal 12. Also good.

  The position information processing unit 105 transmits information regarding the calculated position of the terminal 12 to the emergency call destination via the terminal communication unit 101.

  FIG. 10 is a diagram illustrating a configuration example of the communication device 13 according to the second embodiment. The communication device 13 includes a communication device communication unit 111, a position information distribution unit 112, and a communication device function control unit 133.

  The communication device communication unit 111 notifies the terminal 12 of information related to the position of the communication device 13 (position information). The communication device communication unit 111 receives a position information transmission request (position information request) from the terminal 12. The communication device communication unit 111 transmits the position information notified from the position information distribution unit 112 to the terminal 12 that has transmitted the position information request. In addition to these functions, the communication device communication unit 111 has a function capable of transmitting and receiving various signals.

  The communication device function control unit 133 activates the location information distribution unit 112 in response to the communication device communication unit 111 receiving a signal requesting activation of the location information acquisition function from the base station 30. The communication device function control unit 133 requests the position information distribution unit 112 to start distribution of position information in response to receiving a request for starting the function of distributing position information from the base station 30. May be.

  The communication device function control unit 133 activates the inter-device communication function included in the communication device communication unit 111 in response to receiving a request for activating the function of distributing position information from the base station 30. The inter-device communication function is an interface used for the communication device 13 to communicate with the terminal 12, for example.

  The position information distribution unit 112 distributes position information to the terminal 12 via an inter-device communication function (interface) included in the communication device communication unit 111 when activated by the communication device function control unit 133. The position information distribution unit 112 starts distribution of position information to the terminal 12 in response to a request for starting distribution of position information from the communication device function control unit 133.

  FIG. 11 is a diagram illustrating a configuration example of the base station 30 in the second embodiment. As shown in FIG. 11, the base station 30 includes a base station communication unit 301, a base station message processing unit 302, a base station emergency call recognition unit 303, and a terminal function control instruction unit 304.

  The base station communication unit 301 includes a function of connecting to the terminal 12 and transmitting / receiving various signals to / from the terminal 12. The base station communication unit 301 has a function of receiving an emergency call from the terminal 12, for example. For example, the base station communication unit 301 transmits a signal requesting to activate a predetermined function to the terminal 12. The predetermined function is, for example, a position information acquisition function included in the terminal 12 or an inter-device communication function.

  The base station communication unit 301 includes a function of connecting to the communication device 13 and transmitting / receiving various signals to / from the communication device 13. For example, the base station communication unit 301 transmits a signal for requesting distribution of position information to the communication device 13.

  The base station message processing unit 302 has a function of processing signals transmitted and received by the base station 30. For example, in response to receiving an emergency call from the terminal 12, the base station message processing unit 302 transfers the emergency call to a network node such as the S-GW 90. The base station message processing unit 302 transmits the predetermined signal to the terminal 12 via the base station communication unit 301 in response to receiving the predetermined signal from the terminal function control instruction unit 304, for example. The predetermined signal is, for example, “a signal requesting activation of the position information acquisition function”.

  The base station emergency call recognition unit 303 recognizes that the base station 30 has received an emergency call. For example, the base station emergency call recognition unit 303 detects that the base station message processing unit 302 has received an emergency call. The base station emergency call recognizing unit 303 may detect that the base station 30 has received the emergency call, for example, when the base station message processing unit 302 is notified that the emergency call has been received. . In response to recognizing the reception of the emergency call, the base station emergency call recognition unit 303 instructs the terminal function control instruction unit 304 to transmit a predetermined signal. Note that the base station emergency call recognition unit 303 may notify the terminal function control instruction unit 304 that the reception of the emergency call has been recognized in response to the reception of the emergency call.

  The predetermined signal is, for example, “a signal that requests the terminal 12 to activate the position information acquisition function”. The predetermined signal is, for example, “a signal for requesting the communication device 13 to distribute position information”.

  In response to a request for transmission of a predetermined signal from the base station emergency call recognition unit 303, the terminal function control instruction unit 304 sends the predetermined signal via the base station communication unit 301 and the base station message processing unit 302. Send. For example, in response to a request from the base station emergency call recognition unit 303, the terminal function control instruction unit 304 transmits a “signal for requesting activation of the location information acquisition function” to the terminal 12. For example, in response to a request from the base station emergency call recognition unit 303, the terminal function control instruction unit 304 transmits a “signal for requesting distribution of position information” to the communication device 13. Note that the terminal function control instruction unit 304 may transmit a predetermined signal in response to receiving notification that the reception of the emergency call has been recognized.

[Description of operation]
In the second embodiment of the present invention, an operation in which the terminal 12 acquires position information will be described with reference to FIG.

  FIG. 12 is a sequence diagram illustrating an operation example of the communication system according to the second embodiment.

  The emergency call calling unit 102 of the terminal 12 transmits (calls) an emergency call via the terminal communication unit 101 (S2-1). The issued emergency call is transferred to the MME 50 via the base station 30 as a high priority signal ("Emergency Attach") (S2-2).

  The base station emergency call recognition unit 303 of the base station 30 recognizes that the emergency call has been received from the terminal 12 (S2-3), and notifies the terminal function control instruction unit 304 that the emergency call has been received. To do.

  The terminal function control instructing unit 304 of the base station 30 instructs the terminal 12 to activate a predetermined function when receiving a notification that the emergency call has been received (“terminal function activation instruction in S2-4”). "). For example, when receiving a notification that an emergency call has been received, the terminal function control instruction unit 304 transmits a “signal for requesting activation of the position information acquisition function” to the terminal 12.

  The terminal function control unit 104 of the terminal 12 activates a predetermined function in response to an instruction from the base station 30 (S2-5). The predetermined functions are, for example, a position information acquisition function (position information processing unit 105) included in the terminal 12, and an inter-device communication function (inter-device communication interface included in the terminal communication unit 101).

  Also, the terminal function control instruction unit 304 of the base station 30 instructs the communication device 13 to activate a predetermined function when receiving a notification that the emergency call has been received (“terminal of S2-6” Function activation instruction ”). For example, the terminal function control instruction unit 304 transmits a “signal for requesting distribution of position information” to the communication device 13 when receiving a notification that an emergency call has been received.

  The communication device function control unit 133 of the communication device 13 activates a predetermined function in response to an instruction from the base station 30 (S2-7). The predetermined functions are, for example, a position information distribution function (position information distribution unit 112) included in the communication device 13 and an inter-device communication function (inter-device communication interface included in the communication device communication unit 111).

  The position information processing unit 105 of the terminal 12 transmits a session establishment request to the communication device 13 via the inter-device communication function of the terminal communication unit 101 (S2-8). Note that the session establishment request may be transmitted by the terminal function control unit 104 of the terminal 12.

  The communication device function control unit 133 of the communication device 13 transmits a session establishment response to the terminal 12 via the inter-device communication function of the communication device communication unit 111 in response to receiving the session establishment request (S2 -9).

  The position information processing unit 105 of the terminal 12 transmits a signal for requesting position information to the communication device 13 using the established session (S2-10).

  The communication device 13 notifies the terminal 12 of the position information in response to the request of the position information from the terminal 12 (S2-11).

  The position information processing unit 105 of the terminal 12 calculates the position of the terminal 12 in response to receiving the position information from the communication device 13, and transmits information regarding the calculated position to the emergency call destination via the base station 31. (S2-12).

  As described above, in the second embodiment of the present invention, the base station 30 recognizes the emergency call originated by the terminal 12 and processes the position information for the terminal 12 (position information processing). Instructing activation of the unit 105). Therefore, for example, the terminal 12 activates a function for acquiring position information based on an instruction from the base station 30 even if a function for processing position information is not activated when an emergency call is issued. The position information of the terminal 12 can be calculated. Therefore, the terminal 12 can notify the emergency call receiving organization of the position information of the own device (terminal 12).

[Third Embodiment]
[Description of configuration]
The third embodiment of the present invention is an embodiment in which an MEC (Mobile Edge Computing) 40 recognizes an emergency call originated by the terminal 12. Note that the technique of the third embodiment can be applied to any of the first embodiment, the second embodiment, and an embodiment described later.

  FIG. 13 is a diagram illustrating a configuration example of a communication system according to the third embodiment. As illustrated in FIG. 13, the communication system includes a terminal 12, a communication device 13, a base station 31, an MEC 40, an MME 50, an MTC-IWF (Machine Type Communication Interworking Function) 60, and an S-GW 90. , P-GW95, IMS NW, packet NW VPN, telephone NW, and emergency call destination (emergency call receiving organization). Note that the communication system according to the third embodiment may include a GPS satellite 20.

  The MEC 40 makes it possible to provide various applications and services in a location physically close to the user by deploying computing resources and storage in a base station or the like located at the edge of the mobile network. Of course, it also functions as a server that hosts the MTC application.

  In the third embodiment, the MEC 40 notifies the base station 31 of a signal for instructing establishment of a bearer between the terminal 12 and the communication device 13. Note that the MEC 40 may notify the MME 50 of the signal.

  The base station 31 transmits “Paging” in response to receiving the signal for instructing the bearer establishment from the MEC 40. “Paging” is, for example, a control signal used for calling the terminal 12 existing in the mobile network from the outside of the mobile network (such as a data packet network).

  Since the terminal 12 and the communication device 13 each establish a bearer with the MEC 40 in response to receiving “Paging”, the terminal 12 and the communication device 13 respectively send control signals (for example, to the MEC 40). "Service Request") is transmitted.

  In the third embodiment, the MEC 40 requests the terminal 12 and the communication device 13 to activate a predetermined function in response to the recognition of the emergency call by the terminal 12. Send. The predetermined function is, for example, a position information acquisition function included in the terminal 12 or an inter-device communication function. The predetermined functions are, for example, a position information distribution function (position information distribution unit 112) included in the communication device 13 and an inter-device communication function (inter-device communication interface included in the communication device communication unit 111).

  The terminal 12 activates the predetermined function in response to receiving a signal requesting activation of the predetermined function from the MEC 40. For example, the terminal 12 activates the location information acquisition function in response to receiving a signal requesting activation of the location information acquisition function from the base station 31 and starts acquiring the location information notified from the communication device 13. To do.

  Further, in the third embodiment, the MEC 40 transmits a request for starting a function for distributing position information to the communication device 13 in response to recognizing the calling of the emergency call by the terminal 12. . For example, the MEC 40 transmits a request for starting the function of distributing the position information to the communication device 13 connected to the base station 31.

  In response to receiving a request for starting a function for distributing position information from the base station 31, the communication device 13 starts a function for distributing the position information and starts distributing position information to the terminal 12. .

  The MTC-IWF 60 has, for example, a function for processing control signaling received from a network node (C-Plane function) and a function for securely connecting a network node and a mobile network. The MTC-IWF 60, for example, according to the function of performing authentication of control signaling in cooperation with the HSS, the function of converting control signaling to activate an appropriate function in the mobile network, and the usage status of the service A function for generating information for charging is provided.

  In the third embodiment, the MTC-IWF 60 has a function of performing authentication processing of the terminal 12 in response to a request from the MEC 40. The MTC-IWF 60 receives the “Paging Request” from the MEC 40 and executes an authentication process related to the “Paging Request”. The MTC-IWF 60 transfers the “Paging Request” to the MME 50 in response to the successful authentication.

  FIG. 14 is a diagram illustrating a configuration example of the base station 31 according to the third embodiment. Base station 31 includes a base station communication unit 301 and a base station message processing unit 302.

  The base station message processing unit 302 transmits the paging via the base station communication unit 301 in response to receiving the request to transmit the paging to the terminal 12.

  FIG. 15 is a diagram illustrating a configuration example of the MEC 40 according to the third embodiment. As illustrated in FIG. 15, the MEC 40 includes an MEC communication unit 401, an MEC message processing unit 402, an MEC emergency call recognition unit 403, a terminal call control instruction unit 404, a terminal information storage unit 405, and an MEC terminal function. A control instruction unit 406 is included.

  The MEC communication unit 401 includes a function of connecting to the base station 31 and transmitting / receiving a control signal to / from the base station 31. Further, the MEC communication unit 401 includes a function of connecting to the MME 50 and transmitting / receiving a control signal to / from the MME 50.

  The MEC message processing unit 402 has a function of processing a control signal received from the base station 31 or the MME 50. For example, in response to receiving an emergency call from the base station 31, the MEC message processing unit 402 notifies the MEC emergency call recognition unit 403 of the emergency call. Note that the MEC message processing unit 402 may notify the MEC emergency call recognition unit 403 of a signal indicating that the emergency call has been received in response to receiving the emergency call from the base station 31.

  The MEC emergency call recognition unit 403 recognizes that an emergency call has been received. For example, the MEC emergency call recognition unit 403 detects that the MEC message processing unit 402 has received an emergency call. For example, the MEC emergency call recognition unit 403 may detect that an emergency call has been received in response to a notification from the MEC message processing unit 402 that the emergency call has been received.

  In response to recognizing the emergency call, the MEC emergency call recognition unit 403 notifies the terminal call control instruction unit 404 of the bearer between the terminal 12 and the MEC 40 and the bearer between the communication device 13 and the MEC 40. Require establishment.

  In response to a request from the MEC emergency call recognition unit 403, the terminal call control instruction unit 404 refers to the terminal information storage unit 405, identifies the terminal 12 that has transmitted the emergency call, and sends it to the MEC emergency call recognition unit 403. Notice. The MEC emergency call recognition unit 403 sends a transmission request (Paging Request) of a signal (Paging) for instructing establishment of a bearer between the identified terminal 12 and the MEC 40 and a bearer between the communication device 13 and the MEC 40. To the base station 31. The MEC emergency call recognition unit 403 may notify the MTC-IWF 60 of a transmission request (Paging Request) of a signal (Paging) for instructing establishment of the bearer. Further, the MEC emergency call recognition unit 403 may notify the MME of a signal (Paging) for instructing establishment of the bearer, for example.

  The terminal information storage unit 405 stores information related to the terminal 12 and information related to the communication device 13.

  In addition, the MEC emergency call recognition unit 403 requests the MEC terminal function control instruction unit 406 to make an “instruction to transmit a predetermined signal to the terminal 12” in response to the recognition of the emergency call. . The predetermined signal is, for example, “a signal that requests the terminal 12 to activate the position information acquisition function”. The predetermined signal is, for example, “a signal for requesting the communication device 13 to distribute position information”.

  The MEC terminal function control instruction unit 406 transmits the predetermined signal via the MEC communication unit 401 in response to a request for transmission of the predetermined signal from the MEC emergency call recognition unit 403. For example, in response to a request from the MEC emergency call recognition unit 403, the MEC terminal function control instruction unit 406 transmits a “signal for requesting activation of the location information acquisition function” to the terminal 12. For example, the MEC terminal function control instruction unit 406 transmits a “signal for requesting distribution of position information” to the communication device 13 in response to a request from the MEC emergency call recognition unit 403.

  FIG. 16 is a diagram illustrating a configuration example of the MME 50 according to the third embodiment. As illustrated in FIG. 16, the MME 50 includes an MME signal processing unit 501 and an MME control unit 502.

  The MME control unit 502 has a function corresponding to C-Plane. It has a function of processing control signaling such as setting / release of a communication session, handover control, and the like. The MME control unit 502 transmits and receives control signaling via the MME signal processing unit 501.

  The MME control unit 502 transmits “Paging” to the predetermined base station 31 in response to receiving “Paging Request” from the MTC-IWF 60. Note that the MME control unit 502 may instruct the predetermined base station 31 to transmit the “Pging”. The predetermined base station 31 is, for example, the base station 31 to which the terminal 12 and the communication device 13 that are the destination of “Paging” are connected. The predetermined base station 31 is not limited to one, and may be a plurality of base stations 31 or all the base stations 31 connected to the MME 50.

  FIG. 17 is a diagram illustrating a configuration example of the MTC-IWF 60 according to the third embodiment. As illustrated in FIG. 17, the MTC-IWF 60 includes an MTC signal processing unit 601 and an MTC control unit 602.

  The MTC control unit 602 authenticates the control signal on the C-Plane received via the MTC signal processing unit 601. For example, the MTC control unit 602 authenticates “Paging Request” received via the MTC signal processing unit 601. When the authentication of “Paging Request” is successful, the MTC control unit 602 transmits the “Paging Request” to the MME 50.

[Description of operation]
In the third embodiment of the present invention, an operation in which the terminal 12 acquires position information will be described with reference to FIG.

  FIG. 18 is a sequence diagram illustrating an operation example of the communication system according to the third embodiment.

  The emergency call calling unit 102 of the terminal 12 issues an emergency call via the terminal communication unit 101 (S3-1). The issued emergency call is transferred to the MME 50 through the base station 31 as a high priority signal ("Emergency Attach") (S3-2).

  When receiving the “Emergency Attach”, the base station 31 notifies the MEC 40 that the emergency call has been received (S3-3). Note that the base station 31 may transfer “Emergency Attach” to the MEC 40 as it is.

  The MEC emergency call recognizing unit 403 of the MEC 40 recognizes that the emergency call has been received in response to receiving the notification that “the emergency call has been received” from the base station 31 (S3-4), and performs terminal call control. The instruction unit 404 is requested to establish a bearer between the terminal 12 and the MEC 40 and a bearer between the communication device 13 and the MEC 40.

  In response to a request from the MEC emergency call recognition unit 403, the terminal call control instruction unit 404 of the MEC 40 refers to the terminal information storage unit 405 and identifies the terminal 12 that has transmitted the emergency call (S3-5).

  The terminal call control instruction unit 404 of the MEC 40 sends a transmission request for a signal (Paging) for instructing establishment of a bearer between the identified terminal 12 and the MEC 40 and a bearer between the communication device 13 and the MEC 40 to the MCT 40. -It transmits with respect to IWF60 ("Pagingg Request" of S3-6).

  The MTC control unit 602 of the MTC-IWF 60 executes an authentication process for the received “Paging Request” (S3-7). When the authentication is successful, the MTC control unit 602 transfers the “Paging Request” to the MME 50 (S3-8).

  The MME control unit 502 of the MME 50 transmits “Paging” to the predetermined base station 31 in response to receiving “Paging Request” (S3-9).

  The base station message processing unit 302 of the base station 31 transmits “Paging” to the terminal 12 and the communication device 13 in response to receiving “Paging” from the MME 50 (S3-10).

  The terminal function control unit 104 of the terminal 12 and the communication device function control unit 133 of the communication device 13 execute processing for bearer establishment in response to receiving “Paging” from the base station 31 (S3- 11 "Service Request Procedure").

  The MEC terminal function control instruction unit 406 of the MEC 40 transmits a “signal requesting activation of the position information acquisition function” to the terminal 12 (S3-12).

  The terminal function control unit 104 of the terminal 12 activates a predetermined function in response to an instruction from the MEC 40 (S3-13). The predetermined functions are, for example, a position information acquisition function (position information processing unit 105) included in the terminal 12, and an inter-device communication function (inter-device communication interface included in the terminal communication unit 101).

  Further, the MEC terminal function control instruction unit 406 of the MEC 40 instructs the communication apparatus 13 to start a predetermined function (“terminal function start instruction” in S3-14). For example, the MEC terminal function control instruction unit 406 transmits a “signal for requesting distribution of position information” to the communication device 13 when receiving a notification that an emergency call has been received.

  The communication device function control unit 133 of the communication device 13 activates a predetermined function in response to an instruction from the MEC 40 (S3-15). The predetermined functions are, for example, a position information distribution function (position information distribution unit 112) included in the communication device 13 and an inter-device communication function (inter-device communication interface included in the communication device communication unit 111).

  The position information processing unit 105 of the terminal 12 transmits a session establishment request to the communication device 13 via the inter-device communication function of the terminal communication unit 101 (S3-16). Note that the session establishment request may be transmitted by the terminal function control unit 104 of the terminal 12.

  In response to receiving the session establishment request, the communication device function control unit 133 of the communication device 13 transmits a session establishment response to the terminal 12 via the inter-device communication function of the communication device communication unit 111 (S3). -17).

  The position information processing unit 105 of the terminal 12 transmits a signal for requesting position information to the communication device 13 using the established session (S3-18).

  The communication device 13 notifies the terminal 12 of the position information in response to the request for the position information from the terminal 12 (S3-19).

  The position information processing unit 105 of the terminal 12 calculates the position of the terminal 12 in response to receiving the position information from the communication device 13, and transmits information regarding the calculated position to the emergency call destination via the base station 31. (S3-20).

  As described above, in the third embodiment of the present invention, the MEC 40 recognizes an emergency call originated by the terminal 12 and processes the position information for the terminal 12 (position information processing unit 105). ). Further, the MEC 40 recognizes an emergency call originated by the terminal 12 and instructs the communication device 13 to activate a function for distributing position information. Therefore, for example, the terminal 12 activates a function for acquiring position information based on an instruction from the MEC 40 even if a function for processing position information is not activated when an emergency call is issued. The position information of the terminal 12 can be calculated. Further, for example, the communication device 13 can activate a function for distributing position information based on an instruction from the MEC 40 even if a function for distributing position information is not activated. Therefore, the terminal 12 can notify the emergency call receiving organization of the position information of the own device (terminal 12).

[Fourth Embodiment]
[Description of configuration]
The fourth embodiment of the present invention is an embodiment when the MME 50 recognizes an emergency call originated by the terminal 12. Note that the technique of the fourth embodiment can be applied to any of the first embodiment, the second embodiment, the third embodiment, and an embodiment described later.

  FIG. 19 is a diagram illustrating a configuration example of a communication system according to the fourth embodiment. As illustrated in FIG. 19, the communication system includes a terminal 12, a communication device 13, a base station 31, an MME 51, an S-GW 90, a P-GW 95, an IMS NW, a packet NW VPN, and a telephone NW. And the emergency call destination (emergency call receiving organization). Note that the communication system of the fourth embodiment may include a GPS satellite 20.

  In the fourth embodiment, the MME 51 transmits a signal requesting activation of a predetermined function to the terminal 12 in response to the recognition of the emergency call by the terminal 12. The predetermined function is, for example, a position information acquisition function included in the terminal 12 or an inter-device communication function.

  The terminal 12 activates the predetermined function in response to receiving the “signal requesting activation of the predetermined function” transmitted from the MME 51. For example, the terminal 12 activates the position information acquisition function in response to receiving a signal requesting activation of the position information acquisition function from the MME 51 and starts acquiring the position information notified from the communication device 13.

  Further, in the fourth embodiment, the MME 51 sends a signal requesting the communication device 13 to activate the function for distributing the location information in response to the recognition of the emergency call by the terminal 12. Send.

  The communication device 13 activates the function of distributing the position information in response to receiving the “signal requesting activation of the function of distributing position information” transmitted from the MME 51, and the position information for the terminal 12. Start broadcasting.

  FIG. 20 is a diagram illustrating a configuration example of the MME 51 according to the fourth embodiment. As illustrated in FIG. 20, the MME 51 includes an MME communication unit 511, an MME message processing unit 512, an MME emergency call recognition unit 513, and a terminal function control generation unit 514.

  The MME communication unit 511 includes a function of connecting to the base station 31 and the S-GW 90 and transmitting and receiving control signals to and from the base station 31 and S-GW 90.

  The MME message processing unit 512 has a function of processing a control signal received from the base station 31 or the S-GW 90. For example, the MME message processing unit 512 notifies the MME emergency call recognition unit 513 of the emergency call in response to receiving the emergency call from the base station 31. Note that the MME message processing unit 512 may notify the MME emergency call recognition unit 513 of a signal indicating that the emergency call has been received in response to receiving the emergency call from the base station 31.

  In response to recognizing the emergency call, the MME emergency call recognition unit 513 requests the terminal function control generation unit 514 to perform an “instruction to transmit a predetermined signal to the terminal 12”. The predetermined signal is, for example, “a signal that requests the terminal 12 to activate the position information acquisition function”. The predetermined signal is, for example, “a signal for requesting the communication device 13 to distribute position information”.

  The terminal function control generation unit 514 transmits the predetermined signal via the MME communication unit 511 and the MME message processing unit 512 in response to a request for transmission of the predetermined signal from the MME emergency call recognition unit 513. For example, in response to a request from the MME emergency call recognition unit 513, the terminal function control generation unit 514 transmits a “signal for requesting activation of the location information acquisition function” to the terminal 12. For example, in response to a request from the MME emergency call recognition unit 513, the terminal function control generation unit 514 transmits a “signal for requesting distribution of position information” to the communication device 13.

[Description of operation]
In the fourth embodiment of the present invention, an operation in which the terminal 12 acquires position information will be described with reference to FIG.

  FIG. 21 is a sequence diagram illustrating an operation example of the communication system according to the fourth embodiment.

  The emergency call calling unit 102 of the terminal 12 calls an emergency call via the terminal communication unit 101 (S4-1). The issued emergency call is transferred as a high priority signal ("Emergency Attach") to the MME 51 via the base station 31 (S4-2) (S4-3).

  The MME emergency call recognition unit 513 of the MME 51 recognizes that the emergency call has been received from the terminal 12 (S4-4), and notifies the terminal function control generation unit 514 that the emergency call has been received.

  The terminal function control generation unit 514 of the MME 51 instructs the terminal 12 to activate a predetermined function via the base station 31 (S4-5) when receiving a notification that the emergency call has been received. ("Terminal function activation instruction" in S4-6). The predetermined functions are, for example, a position information acquisition function (position information processing unit 105) included in the terminal 12, and an inter-device communication function (inter-device communication interface included in the terminal communication unit 101).

  The terminal function control unit 104 of the terminal 12 activates a predetermined function in response to an instruction from the MME 51 (S4-7). The predetermined functions are, for example, a position information acquisition function (position information processing unit 105) included in the terminal 12, and an inter-device communication function (inter-device communication interface included in the terminal communication unit 101).

  Further, the terminal function control generation unit 514 of the MME 51 instructs the communication device 13 to activate a predetermined function (“terminal function activation instruction” in S4-8). For example, the terminal function control generation unit 514 transmits a “signal for requesting distribution of location information” to the communication device 13 when receiving a notification that an emergency call has been received.

  The communication device function control unit 133 of the communication device 13 activates a predetermined function in response to an instruction from the MME 51 (S4-9). The predetermined functions are, for example, a position information distribution function (position information distribution unit 112) included in the communication device 13 and an inter-device communication function (inter-device communication interface included in the communication device communication unit 111).

  The position information processing unit 105 of the terminal 12 transmits a session establishment request to the communication device 13 via the inter-device communication function of the terminal communication unit 101 (S4-10). Note that the session establishment request may be transmitted by the terminal function control unit 104 of the terminal 12.

  In response to receiving the session establishment request, the communication device function control unit 133 of the communication device 13 transmits a session establishment response to the terminal 12 via the inter-device communication function of the communication device communication unit 111 (S4). -11).

  The position information processing unit 105 of the terminal 12 transmits a signal for requesting position information to the communication device 13 using the established session (S4-12).

  The communication device 13 notifies the terminal 12 of the position information in response to the request of the position information from the terminal 12 (S4-13).

  The position information processing unit 105 of the terminal 12 calculates the position of the terminal 12 in response to receiving the position information from the communication device 13, and transmits information regarding the calculated position to the emergency call destination via the base station 31. (S4-14).

  As described above, in the fourth embodiment of the present invention, the MME 51 recognizes the emergency call originated by the terminal 12 and processes the location information for the terminal 12 (position information processing unit 105). ). Therefore, for example, the terminal 12 activates a function for acquiring position information based on an instruction from the MME 51 even if a function for processing the position information is not activated when an emergency call is issued. The position information of the terminal 12 can be calculated. Therefore, the terminal 12 can notify the emergency call receiving organization of the position information of the own device (terminal 12).

[Fifth Embodiment]
[Description of configuration]
The fifth embodiment of the present invention is an embodiment when the external server 80 recognizes an emergency call originated by the terminal 12. The technique of the fifth embodiment can be applied to any of the first embodiment, the second embodiment, the third embodiment, and the fourth embodiment.

  FIG. 22 is a diagram illustrating a configuration example of a communication system according to the fifth embodiment. As illustrated in FIG. 22, the communication system includes a terminal 12, a communication device 13, a base station 31, an MME 50, an MTC-IWF 60, an SCS (Service Capability Server) 70, an external server 80, an S- GW90, P-GW95, IMS NW, packet NW VPN, telephone NW, and emergency call destination (emergency call receiving organization) are included. Note that the communication system of the fifth embodiment may include a GPS satellite 20.

  In the fifth embodiment, the external server 80 transmits a signal requesting to activate a predetermined function to the terminal 12 in response to the recognition of the emergency call by the terminal 12. The predetermined function is, for example, a position information acquisition function included in the terminal 12 or an inter-device communication function.

  The terminal 12 activates the predetermined function in response to receiving the “signal requesting activation of the predetermined function” transmitted from the external server 80. For example, the terminal 12 activates the position information acquisition function in response to receiving a signal requesting activation of the position information acquisition function from the MME 50 and starts acquiring the position information notified from the communication device 13.

  In the fifth embodiment, the MME 50 sends a signal requesting the communication device 13 to activate a function for distributing location information in response to the recognition of the emergency call by the terminal 12. Send.

  The communication device 13 activates the function for distributing the position information in response to receiving the “signal requesting activation of the function for distributing position information” transmitted from the external server 80, and Start distribution of location information.

  The SCS 70 connects a mobile network and a server that hosts one or more MTC applications, and functions to process control signaling in order for the MTC application to communicate with a UE (User Equipment) (C-Plane function). In addition, a function for performing data communication (User-Plane function) is provided. The SCS 70 has, for example, a function of sending control signaling (Device Trigger Request) for starting an MTC device. The SCS 70 may provide an API (Application Programming Interface) so that the service provided by the mobile network can be easily used by the MTC service, for example.

  FIG. 23 is a diagram illustrating a configuration example of the SCS 70 according to the fifth embodiment. As illustrated in FIG. 23, the SCS 70 includes an SCS signal processing unit 701 and an SCS control unit 702.

  The SCS control unit 702 transfers the emergency call notification received from the MTC-IWF 60 to the external server 80 via the SCS signal processing unit 701. Further, the SCS control unit 702 transmits “Paging Request” to the MTC-IWF 60 via the SCS signal processing unit 701 in response to receiving the terminal function activation instruction from the external server 80. In response to a request from the external server 80, for example, the SCS control unit 702 transmits a transmission request (Paging Request) of a signal (Paging) for instructing establishment of a bearer between the terminal 12 and the communication device 13 to the base Notify the station 31. The server emergency call recognition unit 803 may notify the MTC-IWF 60 of a transmission request (Paging Request) of a signal (Paging) for instructing establishment of the bearer.

  FIG. 24 is a diagram illustrating a configuration example of the external server 80 according to the fifth embodiment. As illustrated in FIG. 24, the external server 80 includes a server communication unit 801, a server message processing unit 802, a server emergency call recognition unit 803, a server terminal call control instruction unit 804, and a server terminal information storage unit 805. The server terminal function control instruction unit 806 is included.

  The server communication unit 801 includes a function of connecting to the SCS 70 and transmitting / receiving control signals to / from the SCS 70.

  The server message processing unit 802 has a function of processing a control signal received from the SCS 70. For example, in response to receiving an emergency call from the SCS 70, the server message processing unit 802 notifies the server emergency call recognition unit 803 of the emergency call. Note that the server message processing unit 802 may notify the server emergency call recognition unit 803 of a signal indicating that the emergency call has been received in response to receiving the emergency call from the SCS 70.

  The server emergency call recognition unit 803 recognizes that an emergency call has been received. For example, the server emergency call recognition unit 803 detects that the server message processing unit 802 has received an emergency call. For example, the server emergency call recognition unit 803 may detect that an emergency call has been received in response to a notification from the server message processing unit 802 that an emergency call has been received.

  In response to recognizing the emergency call, the server emergency call recognition unit 803 makes a bearer between the terminal 12 and the SGW 90 and a bearer between the communication device 13 and the SGW 90 in response to the server terminal call control instruction unit 804. Request establishment of

  In response to a request from the server emergency call recognition unit 803, the server terminal call control instruction unit 804 refers to the server terminal information storage unit 805 to identify the terminal 12 that has transmitted the emergency call, and the server emergency call recognition unit 803 is notified. The server emergency call recognition unit 803 requests the SCS 70 to establish a bearer between the identified terminal 12 and the SGW 90 and a bearer between the communication device 13 and the SGW 90.

  The server terminal information storage unit 805 stores information related to the terminal 12 and information related to the communication device 13.

  In addition, the server emergency call recognition unit 803 requests the server terminal function control instruction unit 806 to make an “instruction to transmit a predetermined signal to the terminal 12” in response to the recognition of the emergency call. . The predetermined signal is, for example, “a signal that requests the terminal 12 to activate the position information acquisition function”. The predetermined signal is, for example, “a signal for requesting the communication device 13 to distribute position information”.

  The server terminal function control instruction unit 806 transmits the predetermined signal via the server communication unit 801 in response to a request for transmission of the predetermined signal from the server emergency call recognition unit 803. For example, in response to a request from the server emergency call recognition unit 803, the server terminal function control instruction unit 806 transmits a “signal for requesting activation of the location information acquisition function” to the terminal 12 via the SCS 70. For example, in response to a request from the server emergency call recognition unit 803, the server terminal function control instruction unit 806 transmits a “signal for requesting distribution of position information” to the communication device 13 via the SCS 70.

  FIG. 25 is a diagram illustrating a configuration example of the S-GW 90 according to the fifth embodiment. As illustrated in FIG. 25, the S-GW 90 includes an SGW signal processing unit 901 and an SGW control unit 902.

  The SGW control unit 902 has a function corresponding to C-Plane. It has a function of processing control signaling such as setting / release of a communication session, handover control, and the like. The SGW control unit 902 transmits and receives control signaling via the SGW signal processing unit 901.

  FIG. 26 is a diagram illustrating a configuration example of the P-GW 95 according to the fifth embodiment. As illustrated in FIG. 26, the P-GW 95 includes a PGW signal processing unit 951 and a PGW control unit 952.

  The PGW control unit 952 has a function corresponding to C-Plane. It has a function of processing control signaling such as setting / release of a communication session, handover control, and the like. The PGW control unit 952 transmits and receives control signaling via the PGW signal processing unit 951.

[Description of operation]
In the fifth embodiment of the present invention, an operation in which the terminal 12 acquires position information will be described with reference to FIG.

  FIG. 27 is a sequence diagram illustrating an operation example of the communication system according to the fifth embodiment.

  The emergency call calling unit 102 of the terminal 12 issues an emergency call via the terminal communication unit 101 (S5-1). The issued emergency call is transferred as a high priority signal (“Emergency Attach”) to the external server 80 via the base station 31, the MME 50, the MTC-IWF 60, and the SCS 70 (S5-2 to S5-). 6).

  In response to receiving the emergency call, the server emergency call recognition unit 803 of the external server 80 recognizes that the emergency call has been received (S5-7), and sends the terminal 12 to the server terminal call control instruction unit 804. And the SGW 90 and the bearer between the communication device 13 and the SGW 90 are requested.

  The server terminal call control instruction unit 804 of the external server 80 refers to the server terminal information storage unit 805 in response to a request from the server emergency call recognition unit 803, and the communication device to be called and the terminal 12 that has transmitted the emergency call. 13 is specified (S5-8).

  The server terminal function control instruction unit 806 of the external server 80 transmits a “signal requesting activation of the location information acquisition function” to the SCS 70 (S5-9).

  The server terminal call control instruction unit 804 of the external server 80 sends a transmission request for a signal (Paging) for instructing the bearer between the identified terminal 12 and the SGW 90 and the bearer between the communication device 13 and the SGW 90. It transmits with respect to MTC-IWF60 via SCS70 ("Paging Request" of S5-10).

  The MTC control unit 602 of the MTC-IWF 60 executes the received “Paging Request” authentication process (S5-11). When the authentication is successful, the MTC control unit 602 transfers the “Paging Request” to the MME 50 (S5-12).

  In response to receiving “Paging Request”, the MME control unit 502 of the MME 50 transmits “Paging” to the predetermined base station 31 (S5-13).

  In response to the reception of “Paging” from the MME 50, the base station message processing unit 302 of the base station 31 transmits “Paging” to the terminal 12 and the communication device 13 (S5-14).

  The terminal function control unit 104 of the terminal 12 and the communication device function control unit 133 of the communication device 13 execute processing for bearer establishment in response to receiving “Paging” from the base station 31 (S5-). 15 “Service Request Procedure”).

  In response to the completion of bearer establishment, the MME control unit 502 of the MME 50 transmits “Bearer Setup Complete Response” to the SCS 70 via the MTC-IWF 60 (S5-16).

  When the bearer establishment is completed, the SCS control unit 702 of the SCS 70 transmits a “signal for requesting activation of the location information acquisition function” to the terminal 12 via the base station 31 (S5-17 and S5-18).

  The terminal function control unit 104 of the terminal 12 activates a predetermined function in response to an instruction from the external server 80 (S5-19). The predetermined functions are, for example, a position information acquisition function (position information processing unit 105) included in the terminal 12, and an inter-device communication function (inter-device communication interface included in the terminal communication unit 101).

  In addition, when the bearer establishment is completed, the SCS control unit 702 of the SCS 70 instructs the communication device 13 to activate a predetermined function via the base station 31 (“terminal function activation in S5-20”). Instructions ”). For example, the server terminal function control instruction unit 806 transmits a “signal for requesting distribution of position information” to the communication device 13 when receiving a notification that an emergency call has been received.

  The communication device function control unit 133 of the communication device 13 activates a predetermined function in response to an instruction from the external server 80 (S5-21). The predetermined functions are, for example, a position information distribution function (position information distribution unit 112) included in the communication device 13 and an inter-device communication function (inter-device communication interface included in the communication device communication unit 111).

  The position information processing unit 105 of the terminal 12 transmits a session establishment request to the communication device 13 via the inter-device communication function of the terminal communication unit 101 (S5-22). Note that the session establishment request may be transmitted by the terminal function control unit 104 of the terminal 12.

  In response to receiving the session establishment request, the communication device function control unit 133 of the communication device 13 transmits a session establishment response to the terminal 12 via the inter-device communication function of the communication device communication unit 111 (S5). -23).

  The position information processing unit 105 of the terminal 12 transmits a signal for requesting position information to the communication device 13 using the established session (S5-24).

  The communication device 13 notifies the terminal 12 of the position information in response to the request of the position information from the terminal 12 (S5-25).

  The position information processing unit 105 of the terminal 12 calculates the position of the terminal 12 in response to receiving the position information from the communication device 13, and sends information related to the calculated position to the emergency call destination via the base station 31. Transmit (S5-26).

  FIG. 28 is a flowchart illustrating another example of the operation of the communication system according to the fifth embodiment. In the operation example of the communication system shown in FIG. 28, when the external server 80 that has determined the calling terminal sends a terminal function activation instruction signal, the external server 80 uses the C-Plane functions such as MTC-IWF 60, SCS 70, and MME 50 in advance. This is an example of transmitting a terminal function activation instruction directly to the SGW 90 via the U-Plane without establishing a bearer.

  Since S6-1 to S6-7 in FIG. 28 are the same as the operations of S5-1 to S5-7 in FIG. 27, detailed description thereof is omitted.

  The server terminal call control instruction unit 804 of the external server 80 refers to the server terminal information storage unit 805 in response to a request from the server emergency call recognition unit 803, and the communication device to be called and the terminal 12 that has transmitted the emergency call. 13 is specified (S6-8).

  The server terminal function control instruction unit 806 of the external server 80 requests “distribution of position information” addressed to the terminal 12 that has made an emergency call, and “location information acquisition function activation request signal” addressed to the communication device 13. Are transmitted as individual messages to the SGW 90 (S6-9).

  The SGW control unit 902 of the S-GW 90 receives the “signal for requesting activation of the location information acquisition function” or the “signal for requesting delivery of location information” to the MME 50 in response to “Downlink”. "Data Notification" "is transmitted (S6-10).

  In response to receiving “Downlink Data Notification”, the MME control unit 502 of the MME 50 returns “Downlink Data Notification Ack” to the S-GW 90 (S6-11).

  In response to receiving “Downlink Data Notification”, the MME control unit 502 of the MME 50 transmits “Paging” for calling the terminal 12 or the communication device 13 to the predetermined base station 31 (S6-12). ).

  In response to receiving “Paging” from the MME 50, the base station message processing unit 302 of the base station 31 transmits “Paging” to the terminal 12 or the communication device 13 (S6-13).

  In response to receiving “Paging” from the base station 30, the terminal function control unit 104 of the terminal 12 or the communication device function control unit 133 of the communication device 13 executes processing for bearer establishment (S6-). 14 "Service Request Procedure").

  After the establishment of the bearer between the terminal 12 and the SGW 90 is completed, the SGW control unit 902 of the S-GW 90 transmits a “request for starting location information acquisition function” to the terminal 12 via the base station 31. "Is transmitted (S6-15 and S6-16).

  The terminal function control unit 104 of the terminal 12 activates a predetermined function in response to receiving the “signal requesting activation of the position information acquisition function” (S6-17). The predetermined functions are, for example, a position information acquisition function (position information processing unit 105) included in the terminal 12, and an inter-device communication function (inter-device communication interface included in the terminal communication unit 101).

  The SGW control unit 902 of the S-GW 90 requests “communication of position information from the communication device 13 via the base station 31 after the bearer establishment between the communication device 13 and the SGW 90 is completed. ("Terminal function activation instruction" in S6-25).

  The communication device function control unit 133 of the communication device 13 activates a predetermined function in response to receiving the “signal for requesting distribution of position information” (S6-26). The predetermined functions are, for example, a position information distribution function (position information distribution unit 112) included in the communication device 13 and an inter-device communication function (inter-device communication interface included in the communication device communication unit 111).

  Here, in the communication system illustrated in FIG. 28, S6-9 to S6-17 are repeated for the number of terminals 12 and communication devices 13 specified by the server terminal call control instruction unit 804 of the external server 80 in S6-8. (S6-18 to S6-26).

  Since S6-27 to S6-31 in FIG. 28 are the same as the operations in S5-22 to S5-26 in FIG. 27, detailed description thereof is omitted.

  As described above, in the fifth embodiment of the present invention, the external server 80 recognizes an emergency call originated by the terminal 12 and processes the position information for the terminal 12 (position information processing). Instructing activation of the unit 105). Further, the external server 80 recognizes an emergency call originated by the terminal 12 and instructs the communication device 13 to activate a function for distributing position information. Therefore, for example, the terminal 12 activates a function for acquiring position information based on an instruction from the external server 80 even if a function for processing position information is not activated when an emergency call is issued. The position information of the terminal 12 can be calculated. Further, for example, the communication device 13 can activate a function for distributing position information based on an instruction from the external server 80 even if a function for distributing position information is not activated. Therefore, the terminal 12 can notify the emergency call receiving organization of the position information of the own device (terminal 12).

[Sixth Embodiment]
[Description of configuration]
A sixth embodiment of the present invention will be described with reference to the drawings. The technique of the sixth embodiment is applicable to any of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, and the fifth embodiment.

  FIG. 29 is a diagram illustrating a configuration example of a communication system according to the sixth embodiment. As shown in FIG. 29, the communication system according to the sixth embodiment includes a terminal 14, a communication device 13, a base station 32, network nodes (MME50, S-GW90, P-GW95), and an IMS NW. , Packet NW VPN, telephone NW, and emergency call destination (emergency call receiving organization). Note that the communication system of the sixth embodiment may include a GPS satellite 20.

  In the sixth embodiment, the base station 32 transmits a signal requesting to activate a predetermined function to the terminal 14 in response to receiving an emergency call from the terminal 14. The predetermined function is, for example, a position information acquisition function included in the terminal 14 or an inter-device communication function.

  The terminal 14 activates the predetermined function in response to receiving a signal requesting activation of the predetermined function from the base station 32. For example, the terminal 14 activates the position information acquisition function in response to receiving a signal requesting activation of the position information acquisition function from the base station 32 and starts acquiring the position information notified from the communication device 13. To do.

  Further, in the sixth embodiment, the base station 32 transmits a request for starting a function of distributing position information to the communication device 13 in response to receiving an emergency call from the terminal 14. For example, the base station 32 transmits a request for starting the function of distributing the position information to the communication device 13 connected to the base station 32.

  In response to receiving a request for starting a function for distributing position information from the base station 32, the communication device 13 starts a function for distributing the position information and starts distributing position information to the terminal 14. .

  FIG. 30 is a diagram illustrating a configuration example of the terminal 14 in the sixth embodiment. As illustrated in FIG. 30, the terminal 14 includes a terminal communication unit 101, an emergency call calling unit 102, a terminal function control unit 104, and a position information processing unit 105.

  The terminal communication unit 101 has a function of transmitting an emergency call, for example. When the terminal communication unit 101 receives the emergency call from the emergency call calling unit 102, the terminal communication unit 101 transmits the emergency call to a predetermined emergency call receiving organization. The emergency call may be transmitted, for example, immediately after being received from the emergency call calling unit 102, or after receiving the location information from the location information processing unit 105, the emergency call and the location information of the terminal are predetermined. You may send to all emergency call destinations.

  The terminal communication unit 101 has a function of receiving position information from the communication device 13, for example. When receiving the location information from the location information processing unit 105, the terminal communication unit 101 transmits the location information to a predetermined emergency call receiving organization.

  In addition to these functions, the terminal communication unit 101 has a function capable of transmitting and receiving various signals.

  The emergency call calling unit 102 has a function of transmitting an emergency call via the terminal communication unit 101. The emergency call calling unit 102 transmits a predetermined emergency call in accordance with, for example, an operation by the user of the terminal 14.

  The terminal function control unit 104 controls various functions included in the terminal 14. The terminal function control unit 104 controls activation and termination of various functions included in the terminal 14. For example, when the terminal control unit 104 recognizes that the emergency call calling unit 102 has transmitted an emergency call, the terminal control unit 104 activates the position information processing unit 105. For example, the terminal function control unit 104 may request the position information processing unit 105 to start a function for acquiring position information.

  In response to a request from the terminal function control unit 104, the position information processing unit 105 starts acquiring position information and calculates the position information of the terminal 14. The position information processing unit 105 starts acquiring position information from the communication device 13 in response to a request from the terminal function control unit 104. The position information processing unit 105 notifies the acquired emergency information to a predetermined emergency call receiving organization via the terminal communication unit 101. The position information processing unit 105 may acquire position information from the plurality of communication devices 13 and calculate the position of the terminal 14. In this case, the position information processing unit 105 notifies the predetermined emergency call receiving organization of information regarding the calculated position of the terminal 14 via the terminal communication unit 101. The predetermined emergency call receiving organization is the emergency call receiving organization to which the emergency call calling unit 102 has notified the emergency call.

  Further, the position information processing unit 105 may receive a predetermined signal (GPS information) from the GPS satellite 20, for example. The position information processing unit 105 receives predetermined signals from the plurality of GPS satellites 20 and calculates the position of the terminal 14. In this case, the position information processing unit 105 notifies the predetermined emergency call receiving organization of information regarding the calculated position of the terminal 14 via the terminal communication unit 101.

  The configuration example of the communication device 13 in the sixth embodiment includes a communication device communication unit 111, a position information distribution unit 112, and a communication device function control unit 133.

  The communication device communication unit 111 notifies the terminal 14 of information (position information) regarding the position of the communication device 13. The communication device communication unit 111 receives a position information transmission request (position information request) from the terminal 14. The communication device communication unit 111 transmits the position information notified from the position information distribution unit 112 to the terminal 14 that has transmitted the position information request. In addition to these functions, the communication device communication unit 111 has a function capable of transmitting and receiving various signals.

  The communication device function control unit 133 activates the location information distribution unit 112 in response to the communication device communication unit 111 receiving a signal requesting activation of the location information acquisition function from the base station 32. The communication device function control unit 133 requests the position information distribution unit 112 to start distribution of position information in response to receiving a request for starting the function of distributing position information from the base station 32. May be.

  The communication device function control unit 133 activates the inter-device communication function included in the communication device communication unit 111 in response to receiving a request for activating the function for distributing position information from the base station 32. The inter-device communication function is an interface used for the communication device 13 to communicate with the terminal 14, for example.

  The position information distribution unit 112 distributes position information to the terminal 14 via the inter-device communication function (interface) included in the communication device communication unit 111 when activated by the communication device function control unit 133. The position information distribution unit 112 starts distribution of position information to the terminal 14 in response to a request from the communication device function control unit 133 to start distribution of position information.

  FIG. 31 is a diagram illustrating a configuration example of the base station 32 in the sixth embodiment. As shown in FIG. 31, the base station 32 includes a base station communication unit 301 and a terminal function control instruction unit 304.

  The base station communication unit 301 includes a function of connecting to the terminal 14 and transmitting / receiving various signals to / from the terminal 14. For example, the base station communication unit 301 has a function of receiving an emergency call from the terminal 14. For example, the base station communication unit 301 transmits to the terminal 14 a signal requesting activation of a predetermined function. The predetermined function is, for example, a position information acquisition function included in the terminal 14 or an inter-device communication function.

  The base station communication unit 301 includes a function of connecting to the communication device 13 and transmitting / receiving various signals to / from the communication device 13. For example, the base station communication unit 301 transmits a signal for requesting distribution of position information to the communication device 13.

  For example, in response to an emergency call from the terminal 14 received via the base station communication unit 301, the terminal function control instruction unit 304 sends, for example, a “signal requesting activation of the location information acquisition function” to the terminal 14. Send. For example, the terminal function control instruction unit 304 sends a “signal for requesting distribution of location information” to the communication device 13 in response to the emergency call received from the terminal 14 via the base station communication unit 301. Send. Note that the terminal function control instruction unit 304 may transmit a predetermined signal in response to receiving notification that the reception of the emergency call has been recognized.

  As described above, in the sixth embodiment of the present invention, the base station 32 recognizes the emergency call originated by the terminal 14 and processes the position information for the terminal 14 (position information processing). Instructing activation of the unit 105). Therefore, for example, the terminal 14 activates a function for acquiring position information based on an instruction from the base station 32 even if a function for processing position information is not activated when an emergency call is issued. The position information of the terminal 14 can be calculated. Therefore, the terminal 14 can notify the emergency call receiving organization of the location information of the own device (terminal 14).

  FIG. 32 is a block diagram illustrating an example of a computer that implements the configuration of the terminal 14 according to the sixth embodiment of the present invention. As shown in FIG. 32, the terminal 14 includes, for example, a CPU (Central Processing Unit) 1-1, a RAM (Random Access Memory) 2-1, a storage device 3-1, a communication interface 4-1, an input device 5-1, An output device 6-1 is included.

  The emergency call calling unit, the terminal function control unit, or the position information processing unit is realized by the CPU 1 that reads the program into the RAM 2 and executes it. The operation in which the terminal communication unit performs transmission / reception of information is realized, for example, by executing an OS (Operating System) of the CPU 1.

  The communication interface 4 is connected to the CPU 1 and connected to a network or an external storage medium. External data may be taken into the CPU 1 via the communication interface 4. The input device 5 is, for example, a keyboard, a mouse, or a touch panel. The output device 6 is a display, for example.

  Note that the hardware configuration illustrated in FIG. 32 is merely an example, and each unit illustrated in the drawing may be configured with independent logic circuits.

  FIG. 32 is a block diagram illustrating an example of a computer that implements the configuration of the communication device 11 according to the first embodiment of the present invention. As illustrated in FIG. 32, the communication device 11 includes, for example, a CPU (Central Processing Unit) 1-2, a RAM (Random Access Memory) 2-2, a storage device 3-2, a communication interface 4-2, and an input device 5-2. , Including an output device 6-2.

  32 are the same as the operations of the components 1-1 to 6-1 in FIG. 31, and thus detailed description thereof is omitted.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to each above-mentioned embodiment. The present invention can be implemented based on modifications, substitutions, and adjustments of the embodiments. The present invention can also be implemented by arbitrarily combining the embodiments. That is, the present invention includes various modifications and corrections that can be realized in accordance with all the disclosed contents and technical ideas of the present specification. The present invention is also applicable to the technical field of SDN (Software-Defined Network).

  Further, in the present invention, a terminal, a communication device, a base station, an MME, an MEC, a computer of an external server, a CPU (Central Processing Unit), an MPU (Micro-Processing Unit), or the like realizes the functions of the above-described embodiments. Software (program) may be executed. The terminal, the communication device, the base station, the MME, the MEC, and the external server are software (programs) that realizes the functions of the above-described embodiments via various storage media such as CD-R (Compact Disc Recordable) or a network, for example. May be obtained. A program acquired by a terminal, a communication device, a base station, an MME, an MEC, and an external server, or a storage medium storing the program constitutes the present invention. The software (program) may be stored in advance in, for example, a predetermined storage unit included in the terminal, the communication device, the base station, the MME, the MEC, and the external server. The terminal, communication device, base station, MME, MEC, external server computer, CPU, MPU, or the like may read and execute the program code of the acquired software (program).

  A part or all of the above-described embodiment can be described as in the following supplementary notes, but is not limited thereto.

[Appendix 1]
On the terminal that sends the emergency call,
An emergency call calling unit for notifying the emergency call;
A position information processing unit for specifying the position of the terminal;
In response to notifying the emergency call, a terminal function control unit that activates the position information processing unit;
A terminal communication unit that transmits information related to the emergency call and the location of the terminal to an emergency call destination.

[Appendix 2]
The terminal according to appendix 1, wherein the position information processing unit identifies the position of the own device from the acquired position information.

[Appendix 3]
The terminal according to appendix 1 or 2, wherein the position information processing unit acquires position information from at least one communication device or a GPS satellite, and specifies the position of the own device from the position information.

[Appendix 4]
The terminal according to any one of appendices 1 to 3, wherein the terminal communication unit transmits information on the emergency call and the location of the terminal to an emergency call destination in a predetermined combination.

[Appendix 5]
On the terminal that sends the emergency call,
An emergency call calling unit for notifying the emergency call;
A position information processing unit for specifying the position of the terminal;
A terminal function control unit that activates the position information processing unit;
A terminal communication unit that transmits information on the location of the emergency call and the terminal to an emergency call destination, and
The terminal function control unit activates the position information processing unit in response to the terminal communication unit receiving a signal requesting activation of a position information acquisition function.

[Appendix 6]
In a communication device that distributes location information to a terminal,
A communication device communication unit that receives a location information request from a terminal;
A location information distribution unit for notifying location information of a terminal that has transmitted the location information request;
A communication device function control unit that activates the position information distribution unit,
The communication device communication unit transmits the position information notified from the position information distribution unit to the terminal.

[Appendix 7]
The communication according to appendix 6, wherein the communication device function control unit activates the position distribution unit in response to the communication device communication unit receiving a signal instructing activation of a position information acquisition function. apparatus.

[Appendix 8]
A base station communication unit that receives an emergency call from a terminal;
And a terminal function control instruction unit that transmits a signal instructing activation of a position information acquisition function to the terminal and the communication device in response to the base station communication unit receiving the emergency call.

[Appendix 9]
A terminal that sends an emergency call;
A communication device for delivering position information to the terminal,
The terminal
A means of notifying an emergency call;
Position information processing means for specifying the position of the terminal that transmitted the emergency call;
Terminal function control means for activating the position information processing means in response to the notification of the emergency call;
And a terminal communication means for transmitting information related to the emergency call and the location of the terminal to an emergency call destination.

[Appendix 10]
The communication system according to appendix 9, wherein the position information processing means specifies the position of the own apparatus from the acquired position information.

[Appendix 11]
Addendum 9 or 10 characterized in that the location information processing means transmits a location information request to at least one device, and identifies the location of the terminal that sent the emergency call from the acquired location information. The communication system described.

[Appendix 12]
The communication system according to any one of appendices 9 to 11, wherein the terminal function control means activates the position information processing means in response to receiving a signal requesting activation of a position information acquisition function. .

[Appendix 13]
The communication according to any one of appendixes 9 to 12, wherein the terminal communication unit transmits information on the emergency call and the location of the terminal to the emergency call destination in a predetermined combination [Appendix 14]
A terminal that sends an emergency call;
A communication device for delivering position information to the terminal,
The terminal
Emergency call calling means for notifying the emergency call;
Position information processing means for specifying the position of the terminal;
Terminal function control means for activating the position information processing unit;
Terminal communication means for transmitting information on the emergency call and the location of the terminal to an emergency call destination,
The terminal function control means activates the position information processing means in response to the terminal communication means receiving a signal requesting activation of a position information acquisition function.

[Appendix 15]
A terminal that sends an emergency call;
A communication device for delivering position information to the terminal,
The communication device
Position information distribution means for notifying the position information of the terminal that has transmitted the position information request;
Communication device function control means for activating the position information distribution means,
The communication device communication means transmits the notified position information to the terminal.

[Appendix 16]
16. The communication according to appendix 15, wherein the communication device function control means activates the position distribution means in response to the communication device communication means receiving a signal instructing activation of a position information acquisition function. system.

[Appendix 17]
A terminal that sends an emergency call;
A communication device for delivering location information to the terminal;
A base station that transmits an emergency call from the terminal to an emergency call destination, and
The base station
A base station communication means for receiving an emergency call from a terminal;
Terminal function control instruction means for transmitting a signal for instructing activation of a position information acquisition function to the terminal and the communication device in response to the base station communication means receiving the emergency call. A communication system.

[Appendix 18]
A terminal that sends an emergency call;
A communication device for delivering location information to the terminal;
A base station that transmits an emergency call from the terminal to an emergency call destination, and
A communication system, wherein the base station transmits a signal instructing activation of a location information acquisition function to the terminal in response to the base station receiving an emergency call transmitted from the terminal. .

[Appendix 19]
In response to the base station receiving an emergency call transmitted from the terminal, the base station transmits a signal instructing activation of a location information acquisition function to the terminal and the communication device. The communication system according to appendix 18.

[Appendix 20]
A method for transmitting an emergency call and location information,
A step of notifying an emergency call;
Identifying the location of the terminal that sent the emergency call;
In response to notifying the emergency call, instructing the start of acquisition of location information;
Transmitting the information related to the emergency call and the location of the terminal to an emergency call destination.

[Appendix 21]
The communication method according to appendix 20, further comprising a step of specifying the position of the own device from the acquired position information.

[Appendix 22]
The communication according to appendix 20 or 21, further comprising a step of transmitting a location information request to at least one device and identifying a location of a terminal that has transmitted the emergency call from the acquired location information. Method.

[Appendix 23]
23. The communication method according to any one of appendices 20 to 22, further comprising a step of starting acquisition of the position information in response to receiving an instruction to start acquisition of the position information.

[Appendix 24]
24. The communication method according to any one of appendices 20 to 23, further comprising a step of transmitting information related to the emergency call and the location of the terminal to the emergency call destination in a predetermined combination.

[Appendix 25]
A method for transmitting an emergency call and location information,
Notifying the emergency call;
Identifying the location of the device;
Instructing to start acquisition of position information;
Transmitting information related to the location of the emergency call and the terminal to an emergency call destination,
A communication method characterized by starting acquisition of the position information in response to receiving an instruction to start acquisition of position information. [Appendix 26]
A method for transmitting an emergency call and location information,
Notifying location information of a terminal that has transmitted the location information request;
Activating the location information delivery means;
Transmitting the notified position information to the terminal. A communication method comprising:

[Appendix 27]
27. The communication method according to appendix 26, wherein acquisition of the position information is started in response to receiving an instruction to start acquisition of position information.

[Appendix 28]
A method for transmitting an emergency call and location information,
Receiving an emergency call from the terminal;
And a step of transmitting an instruction to start acquiring position information to the terminal and the communication device in response to receiving the emergency call.

[Appendix 29]
A method for transmitting an emergency call and location information,
A communication method comprising: instructing the terminal to start acquisition of position information in response to the base station receiving an emergency call transmitted from the terminal.

[Appendix 30]
30. The method according to appendix 29, further comprising a step of instructing the terminal and the communication device to start acquiring location information in response to the base station receiving an emergency call transmitted from the terminal. Communication method.

[Appendix 31]
A program for sending emergency calls and location information,
A process of notifying an emergency call;
Identifying the location of the terminal that sent the emergency call;
In response to notifying the emergency call, instructing to start acquiring location information;
And a step of transmitting information relating to the location of the emergency call and the terminal to an emergency call destination.

[Appendix 32]
The program according to appendix 31, further comprising a step of specifying the position of the own device from the acquired position information.

[Appendix 33]
The program according to appendix 31 or 32, further comprising: a step of transmitting a location information request to at least one device and identifying the location of the terminal that has transmitted the emergency call from the acquired location information. .

[Appendix 34]
34. The program according to any one of appendices 31 to 33, further comprising a step of starting acquisition of the position information in response to receiving an instruction to start acquisition of the position information.

[Appendix 35]
35. The program according to any one of appendices 31 to 34, further comprising a step of transmitting the emergency call and information on the location of the terminal to the emergency call destination in a predetermined combination.

[Appendix 36]
A program for sending emergency calls and location information,
Notifying the emergency call;
Identifying the location of the device;
A step of instructing start of acquisition of position information;
Transmitting information on the emergency call and the location of the terminal to an emergency call destination,
A program for starting acquisition of the position information in response to receiving an instruction to start acquisition of position information.

[Appendix 37]
A program for sending emergency calls and location information,
Notifying location information of a terminal that has transmitted the location information request;
Activating the location information distribution means;
A step of transmitting the notified location information to the terminal.

[Appendix 38]
38. The program according to appendix 37, wherein acquisition of the position information is started in response to receiving an instruction to start acquisition of position information.

[Appendix 39]
A program for sending emergency calls and location information,
Receiving an emergency call from the terminal;
And a step of transmitting an instruction to start acquisition of position information to the terminal and the communication device in response to receiving the emergency call.

[Appendix 40]
A method for transmitting an emergency call and location information,
A program comprising a step of instructing the terminal to start acquisition of position information in response to the base station receiving an emergency call transmitted from the terminal.

[Appendix 41]
The supplementary note 40, comprising a step of instructing the terminal and the communication device to start acquisition of position information in response to the base station receiving an emergency call transmitted from the terminal. program.

1-1, 1-2 CPU
2-1, 2-2 RAM
3-1, 3-2 Storage device 4-1, 4-2 Communication interface 5-1, 5-2 Input device 6-1, 6-2 Output device 10, 12, 14 Terminal 101 Terminal communication unit 102 Emergency call issuance Call unit 103 Emergency call recognition unit 104 Terminal function control unit 105 Location information processing unit 11, 13 Communication device 111 Communication device communication unit 112 Location information distribution unit 133 Communication device function control unit 20 GPS satellite 201 GPS satellite communication unit 202 GPS information distribution Unit 30, 31, 32 Base station 301 Base station communication unit 302 Message processing unit 303 Base station emergency call recognition unit 304 Terminal function control instruction unit 40 MEC
401 MEC communication unit 402 MEC message processing unit 403 MEC emergency call recognition unit 404 Terminal call control instruction unit 405 Terminal information storage unit 406 MEC terminal function control instruction unit 50, 51 MME
501 MME signal processing unit 502 MME control unit 511 MME communication unit 512 MME message processing unit 513 MME emergency call recognition unit 514 terminal function control generation unit 60 MTC-IWF
601 MTC signal processing unit 602 MTC control unit 70 SCS
701 SCS signal processing unit 702 SCS control unit 80 external server 801 server communication unit 802 server message processing unit 803 server emergency call recognition unit 804 server terminal call control instruction unit 805 server terminal information storage unit 806 server terminal function control instruction unit 90 S- GW
901 SGW signal processing unit 902 SGW control unit 95 P-GW
951 PGW signal processing unit 952 PGW control unit

Claims (20)

On the terminal that sends the emergency call,
An emergency call calling unit for notifying the emergency call;
A position information processing unit for specifying the position of the terminal;
In response to notifying the emergency call, a terminal function control unit that activates the position information processing unit;
A terminal communication unit that transmits information related to the emergency call and the location of the terminal to an emergency call destination. The terminal according to claim 1, wherein the position information processing unit specifies the position of the own device from the acquired position information. The terminal according to claim 1, wherein the position information processing unit acquires position information from at least one communication device or a GPS satellite, and identifies the position of the own device from the position information.   The terminal according to any one of claims 1 to 3, wherein the terminal communication unit transmits information on the emergency call and the location of the terminal to an emergency call destination in a predetermined combination. On the terminal that sends the emergency call,
An emergency call calling unit for notifying the emergency call;
A position information processing unit for specifying the position of the terminal;
A terminal function control unit that activates the position information processing unit;
A terminal communication unit that transmits information on the location of the emergency call and the terminal to an emergency call destination, and
The terminal function control unit activates the position information processing unit in response to the terminal communication unit receiving a signal requesting activation of a position information acquisition function. In a communication device that distributes location information to a terminal,
A communication device communication unit that receives a location information request from a terminal;
A location information distribution unit for notifying location information of a terminal that has transmitted the location information request;
A communication device function control unit that activates the position information distribution unit,
The communication device communication unit transmits the position information notified from the position information distribution unit to the terminal. The said communication apparatus function control part starts the said position delivery part according to the said communication apparatus communication part receiving the signal which instruct | indicates starting of a positional information acquisition function. Communication device. A base station communication unit that receives an emergency call from a terminal;
And a terminal function control instruction unit that transmits a signal instructing activation of a position information acquisition function to the terminal and the communication device in response to the base station communication unit receiving the emergency call. A terminal that sends an emergency call;
A communication device for delivering position information to the terminal,
The terminal
A means of notifying an emergency call;
Position information processing means for specifying the position of the terminal that transmitted the emergency call;
Terminal function control means for activating the position information processing means in response to the notification of the emergency call;
And a terminal communication means for transmitting information related to the emergency call and the location of the terminal to an emergency call destination. The position information processing unit transmits a position information request to at least one device, and identifies the position of the terminal that has transmitted the emergency call from the acquired position information. Communication system. The terminal function control means activates the position information processing means in response to the terminal communication means receiving a signal requesting activation of a position information acquisition function. Communication system. A terminal that sends an emergency call;
A communication device for delivering position information to the terminal,
The communication device
Position information distribution means for notifying the position information of the terminal that has transmitted the position information request;
Communication device function control means for activating the position information distribution means,
The communication device communication means transmits the notified position information to the terminal. The communication device function control means activates the position distribution means in response to the communication device communication means receiving a signal instructing activation of a position information acquisition function. Communications system. A terminal that sends an emergency call;
A communication device for delivering location information to the terminal;
A base station that transmits an emergency call from the terminal to an emergency call destination, and
The base station
A base station communication means for receiving an emergency call from a terminal;
Terminal function control instruction means for transmitting a signal for instructing activation of a position information acquisition function to the terminal and the communication device in response to the base station communication means receiving the emergency call. A communication system. A terminal that sends an emergency call;
A communication device for delivering location information to the terminal;
A base station that transmits an emergency call from the terminal to an emergency call destination, and
A communication system, wherein the base station transmits a signal instructing activation of a location information acquisition function to the terminal in response to the base station receiving an emergency call transmitted from the terminal. . In response to the base station receiving an emergency call transmitted from the terminal, the base station transmits a signal instructing activation of a location information acquisition function to the terminal and the communication device. The communication system according to claim 15. A method for transmitting an emergency call and location information,
A step of notifying an emergency call;
Identifying the location of the terminal that sent the emergency call;
In response to notifying the emergency call, instructing the start of acquisition of location information;
Transmitting the information related to the emergency call and the location of the terminal to an emergency call destination. A method for transmitting an emergency call and location information,
Notifying the emergency call;
Identifying the location of the device;
Instructing to start acquisition of position information;
Transmitting information related to the location of the emergency call and the terminal to an emergency call destination,
A communication method characterized by starting acquisition of the position information in response to receiving an instruction to start acquisition of position information. A method for transmitting an emergency call and location information,
Notifying location information of a terminal that has transmitted the location information request;
Activating the location information delivery means;
Transmitting the notified position information to the terminal. A communication method comprising: A method for transmitting an emergency call and location information,
Receiving an emergency call from the terminal;
And a step of instructing the terminal and the communication device to start acquisition of position information in response to receiving the emergency call.

Images