JPWO2015189934A1 - Information processing apparatus, information processing method, and program - Google Patents

Abstract

The wide area communication unit (207) receives location information indicating the location of the mobile terminal device from the mobile terminal device. The trust anchor extraction unit (208) indicates, in the position information, a trust anchor used for position verification communication, which is communication for verifying whether or not the mobile terminal device is located at the position indicated in the position information. Specify based on location. The position verification communication request generation unit (209) generates a position verification communication request for requesting position verification communication between the mobile terminal apparatus and the trust anchor. The wide area communication unit (207) transmits a location verification communication request to at least one of the mobile terminal device and the trust anchor.

Description

  The present invention relates to a technique for verifying the location of a mobile terminal device.

There is a system that determines position information of a moving body based on a signal transmitted from a GPS (Global Positioning System) satellite or a quasi-zenith satellite and provides a service corresponding to the position of the moving body.
An example of such a service is a charging service for toll roads.
Conventionally, charging has been performed on toll roads that are fixedly set with boundaries separated by gates such as highways.
In the future, there will be a need for more flexible billing services for places without clear boundaries, such as billing for urban driving during rush hours and billing for temporary parking spaces.
In addition, with the increase in mobile devices with GPS functions such as mobile phones and portable game machines, location information such as points are given according to the distance traveled and coupons are provided for visits to sightseeing spots. Based services are coming out.
Even in these examples, not only services for pre-fixed areas such as famous tourist spots, but also flexible services that can change the service target area according to time and trends are required.
In the service shown in the above-described example, there is a possibility that the service user may misrepresent location information for his own benefit, and the location information needs to be verified to prevent misrepresentation.
In particular, in the future, in order to verify location information in a system that involves flexible changes in the service area as described above, it is not possible to verify location information using facilities with fixed locations such as gates and radio base stations. It is sufficient, and verification of location information using a mobile terminal device is necessary.

As a location information verification technology using a mobile terminal device, Patent Document 1 discloses a technology for detecting misrepresentation of location information in a system including a plurality of mobile terminal devices and a server device.
In this technology, a mobile terminal device to be verified acquires information on a plurality of mobile terminal devices in the vicinity thereof by short-range communication, and transmits information acquired from the plurality of mobile terminal devices in the vicinity to the server device. To do.
The server device checks the consistency between the information acquired from a plurality of nearby mobile terminal devices and the location information declared by the mobile terminal device to be verified, and determines the reliability of the location information of the mobile terminal device to be verified To do.

JP 2012-178715 A

  However, in the technique disclosed in Patent Document 1 described above, it is possible to illegally increase the reliability of location information by collating the mobile terminal device to be verified with another mobile terminal device, etc. As a result, there is a problem that location information cannot be prevented from being spoofed.

  The main object of the present invention is to solve such a problem, and to realize a configuration capable of preventing position information spoofing due to collusion between a mobile terminal device to be verified and another mobile terminal device. With a purpose.

An information processing apparatus according to the present invention includes:
A location information receiving unit that receives location information indicating a location of the mobile terminal device from a mobile terminal device;
A device used for position verification communication, which is communication for verifying whether or not the mobile terminal apparatus is located at the location indicated by the location information, is specified based on the location indicated by the location information. A device designation section;
A location for transmitting a location verification communication request for requesting the location verification communication between the mobile terminal device and the designated device designated by the device designation unit to at least one of the mobile terminal device and the designated device. And a verification communication request transmission unit.

  According to the present invention, the information processing apparatus designates a designated device used for position verification communication, and the mobile terminal device collaborates with the designated device in order to perform position detection communication between the designated device and the mobile terminal device. It is not possible to prevent misrepresentation of location information due to collusion.

FIG. 3 shows a configuration example of a position verification system according to the first embodiment. FIG. 2 shows a configuration example of a mobile terminal apparatus according to Embodiment 1. FIG. 3 is a diagram illustrating a configuration example of a center device according to the first embodiment. FIG. 6 is a diagram showing a trust anchor selection operation according to the first embodiment. The figure which shows the selection and update operation | movement of the trust anchor which concerns on Embodiment 1. FIG. The figure which shows the selection and update operation | movement of the trust anchor which concerns on Embodiment 1. FIG. FIG. 4 is a flowchart showing trust anchor selection and update operations according to the first embodiment. FIG. 3 is a diagram showing an example of position verification communication according to the first embodiment. FIG. 3 is a flowchart showing a position verification operation according to the first embodiment. FIG. 3 is a diagram showing an example of position verification communication according to the first embodiment. FIG. 3 is a flowchart showing a position verification operation according to the first embodiment. FIG. 3 is a diagram showing an example of position verification communication according to the first embodiment. FIG. 10 is a diagram illustrating an example of position verification communication according to the second embodiment. FIG. 9 is a flowchart showing a position verification operation according to the second embodiment. FIG. 10 is a diagram illustrating a configuration example of a position verification system according to a third embodiment. The figure which shows the hardware structural example of the center apparatus which concerns on Embodiment 1-3.

Embodiment 1 FIG.
In this embodiment, a position verification system will be described.
First, an outline of the position verification system according to the present embodiment will be described.

The position verification system according to the present embodiment receives an artificial satellite (hereinafter also simply referred to as a satellite) such as a GPS satellite or a quasi-zenith satellite that distributes positioning information, and the positioning information distributed from the artificial satellite. Mobile terminal device that calculates the location information of the mobile terminal device and a center device that manages the service by aggregating the location information of the mobile terminal device.
The mobile terminal device moves with the movement of a moving body (person, vehicle, etc.).
The location verification system according to the present embodiment may include fixed equipment such as an ETC (Electronic Toll Collection System) gate or a radio base station used for radio communication.
Hereinafter, an example in which a fixed facility is included in the position verification system will be described.

The mobile terminal apparatus has a function of receiving positioning information distributed from a satellite and a function of positioning a location based on the positioning information.
In addition, the mobile terminal device has an area for storing map information, a function for detecting service provision status at a location by collating position information with map information, a function for displaying or calculating a service usage fee, It has a function of communicating with a mobile terminal device, a radio base station, and a center device.

The center apparatus has an area for storing position information transmitted from the mobile terminal apparatus, an area for storing position information of the radio base station, and an area for storing map information such as a service target area.
In addition, the center device collates the location information of the mobile terminal device and the map information, provides a service for the mobile terminal device, calculates a service usage fee, communicates with the mobile terminal device and the radio base station, etc. have.

The mobile terminal device transmits position information indicating the location of the mobile terminal device to the center device.
The center device receives the location information from the mobile terminal device, and designates the mobile terminal device that is the transmission source of the location information as a verification target.
The center device extracts a device (another mobile terminal device or a radio base station) located in the vicinity of the mobile terminal device to be verified based on position information from the mobile terminal device to be verified.
Further, the center device performs communication (location verification communication) for verifying whether or not the mobile terminal device to be verified is located at the location indicated by the location information, and the extracted device and the mobile terminal to be verified Let it happen with the device.

The position verification communication is, for example, communication called ping performed for confirming arrival at a device connected to a network.
Further, the position verification communication may be communication for exchanging a unique identifier such as a serial number built in the mobile terminal device.
Further, the position verification communication may be mutual authentication communication based on an encryption algorithm.

A device (another mobile terminal device or a radio base station) that performs location verification communication with a mobile terminal device to be verified is called a trust anchor.
The trust anchor is randomly selected by the center apparatus, and the trust anchor is updated at regular intervals.

The mobile terminal device or trust anchor to be verified transmits communication result information indicating whether or not the position verification communication has been normally completed to the center device.
The center device refers to the communication result information, and determines that the mobile terminal device to be verified is located at the location indicated by the location information when the location verification communication is normally completed.
On the other hand, if the location verification communication is not completed normally (including the case where the location verification communication is not established), it is determined that the mobile terminal device to be verified is not located at the location indicated in the location information. .
If the mobile terminal device to be verified spoofs location information and is located at a location different from the location indicated by the location information, location verification communication is performed between the mobile terminal device to be verified and the trust anchor. Abnormalities such as being impossible or requiring a long time for position verification communication occur.
For this reason, the center apparatus can detect the misrepresentation in position information by confirming whether position verification communication was completed normally.
Further, the center device holds map information related to the service providing area, and provides the service to the verification target mobile terminal device and uses the service by collating the location information of the mobile terminal device to be verified with the map information. Perform processing such as charging for.

The position information transmitted from the mobile terminal apparatus to be verified is verified by the center apparatus as described above, and the center apparatus can detect the misrepresentation of the position information.
In addition, since the trust anchor is randomly selected by the center device, and the selection of the trust anchor is updated every certain time, there is a possibility that the mobile terminal device to be verified and the trust anchor collide to misrepresent location information, The possibility that an attack such as hacking is performed on the trust anchor can be eliminated.
In addition, the mobile terminal device to be verified and the trust anchor are in a symmetric relationship in terms of starting location verification communication with each other.
In other words, since the verification target moving target device and the trust anchor cannot recognize which is the verification target and which is the trust anchor, respectively, according to the present embodiment, the possibility of fraud by the trust anchor is also excluded. Can do.

  The position verification system according to the present embodiment will be described below with reference to the drawings.

FIG. 1 shows a configuration of a position verification system according to the present embodiment.
The position verification system includes a satellite 300, mobile terminal apparatuses 100a to 100e, a radio base station 400 whose position is fixed, and a center apparatus 200.
Hereinafter, when it is not necessary to distinguish the mobile terminal devices 100a to 100e, the mobile terminal devices 100a to 100e are collectively referred to as the mobile terminal device 100.
The mobile terminal device 100 is also simply referred to as a mobile terminal.
Note that the numbers of the satellites 300, the mobile terminal devices 100, the radio base stations 400, and the center devices 200 shown in FIG. 1 are merely examples, and these numbers are arbitrary.

  The satellite 300 is a satellite that distributes positioning information, such as a GPS satellite or a quasi-zenith satellite.

The mobile terminal device 100 receives the positioning information distributed from the satellite 300, performs positioning calculation of its own location based on the positioning information, and transmits the location information indicating the location to the center device 200.
In addition, the mobile terminal device 100 receives a service based on its location from the center device 200.
Examples of the mobile terminal device 100 include an in-vehicle device mounted on a vehicle, a mobile phone, a tablet terminal, a notebook PC (Personal Computer), a portable game machine, and the like.

The center apparatus 200 receives the position information transmitted by the mobile terminal apparatus 100 and holds the received position information in the storage area.
The center device 200 also holds position information of the radio base station 400 whose position is fixed.
The center device 200 corresponds to an example of an information processing device.

Examples of communication between the mobile terminal apparatus 100 and the center apparatus 200 include wide area wireless communication (hereinafter simply referred to as wide area communication) such as 3G, LTE (registered trademark), and WiMAX (registered trademark).
Examples of communication between the mobile terminal devices 100 and between the mobile terminal device 100 and the wireless base station 400 include DSRC (Dedicated Short Range Communication) in vehicle communication, passing communication in a portable game machine, wireless LAN (Local Area Network), Bluetooth (Registered Trademark) and other narrow area wireless communication (hereinafter simply referred to as narrow area communication).

  FIG. 2 is a block diagram illustrating an example of a functional configuration of the mobile terminal device 100.

  The position information calculation unit 101 calculates the position of the location based on the received positioning information.

  The service processing unit 102 performs processing corresponding to the service provided from the center apparatus 200.

When the service provided from the center apparatus 200 is charged, the fee calculation unit 103 calculates a service usage fee.
However, the mobile terminal device 100 may receive the fee information calculated by the center device 200 without calculating the fee.

  The screen display unit 104 displays information such as position information, service, fee, and map.

The map information storage area 105 stores map information.
The map information may include not only the map itself but also information related to services provided in each region.

  The device information storage area 106 stores information related to hardware constituting the mobile terminal device 100.

  The positioning information receiving unit 107 receives positioning information distributed from the satellite 300.

The narrow area communication unit 108 communicates with another mobile terminal device 100 or the radio base station 400 in the vicinity.
Position verification communication is performed by the narrow area communication unit 108.

The wide area communication unit 109 communicates with the center device 200.
The wide area communication unit 109 transmits position information and receives a service provided by the center device 200.
The wide area communication unit 109 receives a position verification communication request and transmits communication result information, which will be described later.

  FIG. 3 is a block diagram illustrating a functional configuration example of the center apparatus 200.

The trust anchor selection unit 201 randomly selects a trust anchor for performing position verification communication from the mobile terminal device 100 or the radio base station 400.
Further, the trust anchor selection unit 201 updates the selection of the trust anchor at regular intervals.
The trust anchor selection unit 201 corresponds to an example of a device update unit.

  The service providing unit 202 provides a service corresponding to the location information of the mobile terminal device 100 to the mobile terminal device 100.

  The fee calculation unit 203 calculates a service usage fee when the service provided to the mobile terminal device 100 is charged.

The map information storage area 204 stores map information.
The map information may include not only the map itself but also information related to services provided in each region.

The mobile body information storage area 205 stores location information received from the mobile terminal device 100.
The mobile object information storage area 205 also stores position information of the radio base station 400 whose position is fixed.

The trust anchor information storage area 206 stores information related to the trust anchor selected by the trust anchor selection unit 201.
That is, the trust anchor information storage area 206 registers each trust anchor together with the location of each trust anchor.
The trust anchor information storage area 206 corresponds to an example of a device registration unit.

The wide area communication unit 207 communicates with the mobile terminal device 100 and the radio base station 400.
The wide area communication unit 207 receives position information and transmits a service to the mobile terminal apparatus 100.
The wide area communication unit 207 transmits a position verification communication request and receives communication result information, which will be described later.
The wide area communication unit 207 corresponds to an example of a position verification communication request transmission unit and a communication result information reception unit.

The trust anchor extraction unit 208 performs position verification communication with the mobile terminal device 100 based on the location indicated by the location information received from the mobile terminal device 100 among the trust anchors selected by the trust anchor selection unit 201. And extract the trust anchor.
In other words, the trust anchor extraction unit 208 is based on the location indicated in the location information received from the mobile terminal device 100 and the location of each trust anchor stored in the trust anchor information storage area 206. A trust anchor located in the vicinity (position where narrow area communication is possible) is extracted.
The trust anchor extraction unit 208 corresponds to an example of a device designation unit.
In addition, the trust anchor extracted by the trust anchor extraction unit 208 corresponds to an example of a designated device.

The position verification communication request generation unit 209 generates a position verification communication request.
The position verification communication request is a message requesting that position verification communication be performed between the mobile terminal device 100 and the trust anchor extracted by the trust anchor extraction unit 208.

The location verification unit 210 refers to the communication result information received by the wide area communication unit 207, and when the location verification communication is normally completed between the mobile terminal device 100 and the trust anchor, the mobile terminal device 100 It is determined that the user is located at the location indicated by.
On the other hand, if the location verification communication is not normally completed between the mobile terminal device 100 and the trust anchor, the location verification unit 210 determines that the mobile terminal device 100 is not located at the location indicated by the location information. judge.

FIG. 4 shows an operation example of trust anchor selection.
Each mobile terminal apparatus shown in FIG. 4 is the same as mobile terminal apparatus 100 shown in FIG. 1, and has the internal configuration shown in FIG.
Also assume that the radio base station 305 is the same as the radio base station 400 shown in FIG.

In the center apparatus 200, the trust anchor selection unit 201 randomly selects a trust anchor from the mobile terminal apparatus 100 or the radio base station 400.
In FIG. 4, the mobile terminal device 301, the mobile terminal device 303, and the radio base station 305 are selected as trust anchors.
The ranges indicated by reference numerals 302, 304, and 306 represent the vicinity of each trust anchor, and each trust anchor performs position verification communication with a mobile terminal device existing in this range.
For example, the radio base station 305 selected as a trust anchor performs location verification communication with the mobile terminal device 307.
However, the trust anchor does not necessarily perform position verification communication with all mobile terminal devices in the vicinity.

  5 and 6 are diagrams illustrating the operation of updating the trust anchor.

In FIG. 5, first, the trust anchor selection unit 201 of the center apparatus 200 selects a trust anchor, and then the selected trust anchor performs position verification communication of the mobile terminal apparatus for a certain period of time, and finally, a certain period of time has elapsed. Later, the trust anchor selection unit 201 represents an operation of releasing the selected trust anchor.
FIG. 6 shows an operation in which the selection of the trust anchor is updated every moment.

  FIG. 7 is a flowchart showing a trust anchor selection and update operation by the trust anchor selection unit 201 of the center apparatus 200.

The loop enclosed by step S601 and step S603 represents repeating operation | movement for every fixed time.
The operation to be repeated is step S602, and the trust anchor selection unit 201 selects and updates the trust anchor.
The trust anchor selection unit 201 reads position information of the mobile terminal device 100 and the radio base station 400 from the mobile information storage area 205 (S604), selects a trust anchor based on the read position information (S602), and selects The trust anchor position information is stored as trust anchor information in the trust anchor information storage area 206 (S605).
When updating the trust anchor, the trust anchor selection unit 201 stores the position information of the newly selected trust anchor in the trust anchor information storage area 206 and also stores the position information of the trust anchor to be released in the trust anchor information storage area. Delete from 206.

FIG. 8 shows an example of the operation of verifying the location information of the mobile terminal device.
Each mobile terminal apparatus shown in FIG. 8 is the same as the mobile terminal apparatus 100 shown in FIG. 1, and has the internal configuration shown in FIG.
In FIG. 8, the center apparatus 200 verifies the position information of the mobile terminal apparatus 701 and the mobile terminal apparatus 704.

In the center apparatus 200, the wide area communication unit 207 receives position information from each of the mobile terminal apparatus 701 and the mobile terminal apparatus 704.
Next, the trust anchor extraction unit 208 is selected by the trust anchor selection unit 201, and the vicinity of the mobile terminal device 701 and the mobile terminal device 704 is selected from the trust anchors whose position information is stored in the trust anchor information storage area 206. The trust anchor 702 and the trust anchor 703 are extracted as the trust anchors.
Then, the position verification communication request generation unit 209 generates a position verification communication request, and the wide area communication unit 207 transmits the position verification communication request to the trust anchor 702 and the trust anchor 703.
The location verification communication request addressed to the trust anchor 702 includes information (such as a communication address of the mobile terminal device 701) necessary for the trust anchor 702 to perform narrow-area communication with the mobile terminal device 701.
Information necessary for the trust anchor 702 to perform narrow-area communication with the mobile terminal device 701 is included in the position information from the mobile terminal device 701, for example.
Further, the location verification communication request addressed to the trust anchor 703 includes information (such as a communication address of the mobile terminal device 704) necessary for the trust anchor 703 to perform narrow-area communication with the mobile terminal device 704.
Information necessary for the trust anchor 703 to perform narrow-area communication with the mobile terminal device 704 is included in the position information from the mobile terminal device 704, for example.

The trust anchor 702 and the trust anchor 703 that have received the position verification communication request from the center apparatus 200 perform narrow area communication (position verification communication) with the mobile terminal apparatus 701 and the mobile terminal apparatus 704, respectively, and obtain the result of the narrow area communication. It transmits to the center apparatus 200 as communication result information.
In the center device 200, the wide area communication unit 207 receives the communication result information, and the position verification unit 210 is based on the communication result information, and the mobile terminal device 701 and the mobile terminal device 704 are located at the locations indicated by the position information, respectively. Verify whether it exists.

  FIG. 9 is a flowchart showing the operation of FIG.

First, a trust anchor is selected by the trust anchor selection unit 201 in steps S802 and S803.
The trust anchor selection procedure is as described with reference to FIG.

When the mobile terminal device 100 to be verified transmits the location information to the center device 200 (S801), the wide area communication unit 207 receives the location information in the center device 200.
Then, the trust anchor extraction unit 208 extracts a trust anchor located near the mobile terminal device 100 to be verified, the position verification communication request generation unit 209 generates a position verification communication request, and the wide area communication unit 207 detects the position verification. A communication request is transmitted to the trust anchor (S804).

  The trust anchor that has received the location verification communication request attempts location verification communication with the designated mobile terminal device 100 to be verified (S805), and transmits communication result information indicating the result of the trial to the center device 200 ( S806).

Finally, in the center device 200, the wide area communication unit 207 receives the communication result information, and the location verification unit 210 is located at the location indicated by the location information based on the communication result information. It is determined whether or not there is (S807).
When the location verification communication is normally completed between the mobile terminal device 100 and the trust anchor, the location verification unit 210 determines that the mobile terminal device 100 is located at the location indicated by the location information.
On the other hand, if the location verification communication is not normally completed between the mobile terminal device 100 and the trust anchor, the location verification unit 210 determines that the mobile terminal device 100 is not located at the location indicated by the location information. judge.

FIG. 10 shows another example of the operation of verifying the location information of the mobile terminal device.
Each mobile terminal apparatus shown in FIG. 10 is the same as the mobile terminal apparatus 100 shown in FIG. 1, and has the internal configuration shown in FIG.
In FIG. 10, the center apparatus 200 verifies the position information of the mobile terminal apparatus 901 and the mobile terminal apparatus 904.

In the center apparatus 200, the wide area communication unit 207 receives position information from each of the mobile terminal apparatus 901 and the mobile terminal apparatus 904.
Next, the trust anchor extraction unit 208 is selected by the trust anchor selection unit 201, and the vicinity of the mobile terminal device 901 and the mobile terminal device 904 is selected from the trust anchors whose position information is stored in the trust anchor information storage area 206. The trust anchor 902 and the trust anchor 903 are extracted as trust anchors.
Then, the position verification communication request generation unit 209 generates a position verification communication request, and the wide area communication unit 207 transmits the position verification communication request to the mobile terminal device 901 and the mobile terminal device 904.
The location verification communication request addressed to the mobile terminal device 901 includes information necessary for the mobile terminal device 901 to perform narrow-area communication with the trust anchor 902 (such as the communication address of the trust anchor 902).
Information necessary for the mobile terminal device 901 to perform narrow area communication with the trust anchor 902 is stored in the trust anchor information storage area 206, for example.
Further, the location verification communication request addressed to the mobile terminal device 904 includes information (such as a communication address of the trust anchor 903) necessary for the mobile terminal device 904 to perform narrow-area communication with the trust anchor 903.
Information necessary for the mobile terminal device 904 to perform narrow-area communication with the trust anchor 903 is stored in, for example, the trust anchor information storage area 206.

The mobile terminal device 901 and the mobile terminal device 904 that have received the location verification communication request from the center apparatus 200 attempt narrow-area communication with the trust anchor 902 and the trust anchor 903, respectively, and the trial result of the narrow-area communication is obtained as communication result information. To the center device 200.
In the center apparatus 200, the wide area communication unit 207 receives the communication result information, and the position verification unit 210 is based on the communication result information, and the mobile terminal device 901 and the mobile terminal device 904 are located at the location indicated by the position information. Verify whether it exists.

  In FIG. 8, the destination of the location verification communication request from the center device 200 is a trust anchor, whereas in FIG. 10, the destination of the location verification communication request from the center device 200 is the mobile terminal device 100 to be verified. Is different.

  FIG. 11 is a flowchart showing the operation of FIG.

First, a trust anchor is selected by the trust anchor selection unit 201 in steps S1002 and S1003.
The trust anchor selection procedure is as described with reference to FIG.

When the mobile terminal device 100 to be verified transmits position information to the center device 200 (S1001), in the center device 200, the wide area communication unit 207 receives the position information.
Then, the trust anchor extraction unit 208 extracts a trust anchor located near the mobile terminal device 100 to be verified, the position verification communication request generation unit 209 generates a position verification communication request, and the wide area communication unit 207 detects the position verification. The communication request is transmitted to the mobile terminal device 100 to be verified (S1004).

  The mobile terminal apparatus 100 that has received the position verification communication request attempts position verification communication with the designated trust anchor (S1005), and transmits communication result information indicating the result of the attempt to the center apparatus 200 (S1006).

Finally, in the center device 200, the wide area communication unit 207 receives the communication result information, and the location verification unit 210 is located at the location indicated by the location information based on the communication result information. It is determined whether or not there is (S1007).
When the location verification communication is normally completed between the mobile terminal device 100 and the trust anchor, the location verification unit 210 determines that the mobile terminal device 100 is located at the location indicated by the location information.
On the other hand, if the location verification communication is not normally completed between the mobile terminal device 100 and the trust anchor, the location verification unit 210 determines that the mobile terminal device 100 is not located at the location indicated by the location information. judge.

The example in which the position information of a certain mobile terminal apparatus 100 is verified by position verification communication with one trust anchor has been described above.
It is also possible to verify the position information of a certain mobile terminal apparatus 100 by position verification communication with a plurality of trust anchors.

FIG. 12 shows an operation example when the position information of the mobile terminal apparatus 100 is verified using two trust anchors.
Note that each mobile terminal apparatus shown in FIG. 12 is the same as mobile terminal apparatus 100 shown in FIG. 1, and has the internal configuration shown in FIG.

In FIG. 12, since the trust anchors 1301 and 1303 exist in the vicinity of the mobile terminal apparatus 1302, the mobile terminal apparatus 1302 performs position verification communication with the trust anchor 1301 and the trust anchor 1303.
In the center apparatus 200, when the position verification communication is normally completed between the mobile terminal apparatus 1302 and the trust anchor 1301, and further, the position verification communication is normally completed between the mobile terminal apparatus 1302 and the trust anchor 1303. The mobile terminal device 1302 is determined to be located at the location indicated by the location information.

  As described above, the position verification system according to the present embodiment is configured such that the center apparatus randomly selects a trust anchor for the purpose of verifying position information, and updates the selection of the trust anchor at regular intervals. Therefore, it is possible to prevent location information from being misrepresented by collusion between mobile terminal devices.

Embodiment 2. FIG.
In the first embodiment, the example in which the center apparatus 200 requests position verification communication from a trust anchor in the vicinity of the mobile terminal apparatus 100 in order to verify the position information of the specific mobile terminal apparatus 100 has been described.
In the present embodiment, the trust anchor performs communication with the mobile terminal apparatus 100 in advance, and transmits communication result information indicating a communication result with the mobile terminal apparatus 100 to the center apparatus 200.
In the communication result information, the location of the trust anchor and the identifier (for example, serial number) of the communication partner of the narrow area communication acquired by the narrow area communication are indicated.
Then, the center apparatus 200 stores communication result information from the trust anchor in a database, and when the position information of the mobile terminal apparatus 100 needs to be verified, the location of the mobile terminal apparatus 100 and the trust anchor Based on the location, the identifier of the communication partner of the trust anchor is searched from the database.
In this embodiment, it is possible to immediately verify the position information, but it is also possible to verify the position information retroactively to some extent.
Hereinafter, differences from the first embodiment will be described.
Matters not described below are the same as those in the first embodiment.

A configuration example of the position verification system of this embodiment is as shown in FIG. 1, and a configuration example of mobile terminal apparatus 100 of this embodiment is as shown in FIG. A configuration example of the center device 200 is shown in FIG.
In the present embodiment, mobile object information storage area 205 of center device 200 corresponds to an example of a storage unit.

  FIG. 13 shows an operation in which the trust anchor communicates with the mobile terminal device 100 and transmits communication result information to the center device 200.

In FIG. 13, the trust anchors 1102, 1103, and 1104 continue to perform narrow-area communication with the mobile terminal device 100 that passes in the vicinity during the period of being the trust anchor, and continue to send the communication result to the center device 200.
The narrow area communication between the mobile terminal device 100 and the trust anchor passing through the vicinity may be performed at a constant time interval or at random time intervals.
In the center apparatus 200, the wide area communication unit 207 receives the communication result information from each trust anchor, and stores the communication result information and the reception time of the communication result information in the mobile object information storage area 205.

Further, the wide area communication unit 207 of the center apparatus 200 receives the position information from the mobile terminal apparatus 100 as in the first embodiment, but in this embodiment, the wide area communication unit 207 includes the position information and the mobile terminal. An identifier of the device 100 is also received.
When verifying the location information of the mobile terminal device 100, the location verification unit 210 searches the mobile body information storage area 205 for communication result information from a trust anchor located in the vicinity of the location of the mobile terminal device 100. To do.

When the difference between the reception time of the searched communication result information and the reception time of the position information from the mobile terminal device 100 is within a predetermined threshold, the position verification unit 210 includes the communication partner included in the searched communication result information. The identifier and the identifier of the mobile terminal device 100 are compared.
The threshold value for the difference in reception time is an arbitrary value.
For example, the threshold value may be any value between 10 seconds and 3 minutes.
If the two identifiers match as a result of the identifier comparison, the location verification unit 210 determines that the mobile terminal device 100 is located at the location indicated by the location information.
On the other hand, if the two identifiers do not match, the location verification unit 210 determines that the mobile terminal device 100 is not located at the location indicated in the location information.

  FIG. 14 is a flowchart showing the operation of FIG.

First, in the center apparatus 200, the trust anchor selection unit 201 selects the mobile terminal apparatus 100 or the radio base station 400 as a trust anchor, and also the mobile terminal apparatus 100 or the radio base station 400 via the wide area communication unit 207. To the trust anchor (S1201).
In the present embodiment, the trust anchor selection procedure is the same as that shown in the first embodiment.

The trust anchor that has received the notification performs short-range communication with a nearby mobile terminal device 100 at regular intervals within the loop surrounded by steps S1202 and S1205 during the period of being a trust anchor (S1203).
Further, the trust anchor transmits communication result information to the center apparatus 200 (S1204).

  In the center apparatus 200, the wide area communication unit 207 receives the communication result information, and stores the communication result information and the reception time of the communication result information in the mobile body information storage area 205 (S1206).

Finally, when the period as the trust anchor ends, the trust anchor selection unit 201 of the center device 200 releases the trust anchor, and the corresponding mobile communication device 100 or the radio base station 400 via the wide area communication unit 207. Is notified that the role of the trust anchor has been completed (S1207).
The mobile communication device 100 or the radio base station 400 that has received the notification exits the loop surrounded by steps S1202 and S1205.

  Even in the system according to the present embodiment, since the center device randomly selects the trust anchor and updates the selection of the trust anchor at regular intervals, the location information by collusion between the mobile terminal devices Can be prevented.

Embodiment 3 FIG.
FIG. 15 shows a configuration example when the position verification system according to Embodiment 1 is applied to a toll road charging system.
Hereinafter, differences from the first embodiment will be described.
Matters not described below are the same as those in the first embodiment.

Although not shown in FIG. 15, it is assumed that the mobile terminal device 100 is mounted on vehicles 1401, 1402, 1404, and 1407 that are moving bodies.
Similarly, it is assumed that a person 1408 that is a moving body carries the mobile terminal device 100.
The mobile terminal device 100 mounted on the vehicles 1401, 1402, 1404, and 1407 is, for example, a car navigation device.
The mobile terminal device 100 carried by the person 1408 is, for example, a mobile phone.
The center apparatus 200 and the satellite 300 are the same as those shown in FIG.
A gate 1405 and a gate 1406 are installed at the boundary of the expressway 1403, and the center apparatus 200 also stores position information of the gate 1405 and position information of the gate 1406.
Here, it is assumed that the vehicle 1402 is traveling on a temporarily set toll road such as the city center in a rush hour.
Further, it is assumed that the vehicle 1404 is traveling on the highway 1403.
Further, it is assumed that the vehicle 1407 is parked in a pay parking section temporarily set in a tourist spot during the season.
Further, it is assumed that the center device 200 selects the mobile terminal device 100 carried by the vehicle 1401, the gate 1405, the gate 1406, and the person 1408 as the trust anchor.

The center apparatus 200 verifies the position information transmitted from the mobile terminal apparatus 100 of the vehicles 1402, 1404, and 1407.
For this reason, in center device 200, trust anchor extraction section 208 extracts a trust anchor located in the vicinity of the location indicated by the location information transmitted from mobile terminal device 100 of vehicle 1402.
Similarly, the trust anchor extraction unit 208 extracts a trust anchor located in the vicinity of the location indicated by the location information transmitted from the mobile terminal device 100 of the vehicle 1404.
In addition, the trust anchor extraction unit 208 extracts a trust anchor located near the location indicated by the location information transmitted from the mobile terminal device 100 of the vehicle 1407.
Here, it is assumed that the mobile terminal device 100 of the vehicle 1401, the gate 1405, and the mobile terminal device 100 carried by the person 1408 are extracted.
In the center apparatus 200, as shown in the first embodiment, the position verification communication request generation unit 209 and the wide area communication unit 207 perform position verification communication between the trust anchor and the mobile terminal apparatus 100 to be verified. To do.
Then, as in the first embodiment, the position verification unit 210 determines whether the position information from the mobile terminal device 100 to be verified is correct based on the communication result information.

  Based on the correct location information thus verified, the center apparatus 200 correctly charges the vehicle confirmed to be traveling on the toll road or the vehicle confirmed to be parked in the toll parking area. It can be performed.

As mentioned above, although embodiment of this invention was described, you may implement in combination of 2 or more among these embodiment.
Alternatively, one of these embodiments may be partially implemented.
Alternatively, two or more of these embodiments may be partially combined.
In addition, this invention is not limited to these embodiment, A various change is possible as needed.

Finally, a hardware configuration example of the center apparatus 200 shown in the first to third embodiments will be described with reference to FIG.
The center device 200 is a computer, and each element of the center device 200 can be realized by a program.
As a hardware configuration of the center device 200, an arithmetic device 1601, an external storage device 1602, a main storage device 1603, a communication device 1604, and an input / output device 1605 are connected to the bus.

The arithmetic device 1601 is a CPU (Central Processing Unit) that executes a program.
The external storage device 1602 is, for example, a ROM (Read Only Memory), a flash memory, or a hard disk device.
The main storage device 1603 is a RAM (Random Access Memory).
The communication device 1604 corresponds to the physical layer of the wide area communication unit 207.
The input / output device 1605 is, for example, a mouse, a keyboard, a display device, or the like.

The program is normally stored in the external storage device 1602 and is sequentially loaded into the arithmetic device 1601 and executed while being loaded in the main storage device 1603.
The program is a program that realizes the function described as “˜unit” shown in FIG.
Further, an operating system (OS) is also stored in the external storage device 1602, and at least a part of the OS is loaded into the main storage device 1603. ”Is executed.
In the description of the first to third embodiments, “determination of”, “determination of”, “verification of”, “designation of”, “extraction of”, “detection of”, “ Information, data, and signal values that indicate the results of the processing described as “setting”, “registration of”, “selection of”, “update of”, “generation of”, “reception of”, etc. And variable values are stored in the main storage device 1603 as files.

  Note that the configuration of FIG. 16 is merely an example of the hardware configuration of the center apparatus 200, and the hardware configuration of the center apparatus 200 is not limited to the configuration illustrated in FIG. .

  Further, the information processing method according to the present invention can be realized by the procedure shown in the first to third embodiments.

DESCRIPTION OF SYMBOLS 100 Mobile terminal device 101 Position information calculation part 102 Service processing part 103 Charge calculation part 104 Screen display part 105 Map information storage area 106 Equipment information storage area 107 Positioning information reception part 108 Narrow area communication part 109 wide area communication unit, 200 center device, 201 trust anchor selection unit, 202 service providing unit, 203 fee calculation unit, 204 map information storage area, 205 mobile body information storage area, 206 trust anchor information storage area, 207 wide area communication unit, 208 trust anchor extraction unit, 209 position verification communication request generation unit, 210 position verification unit, 300 artificial satellite, 400 radio base station.

Claims (12)

A location information receiving unit that receives location information indicating a location of the mobile terminal device from a mobile terminal device;
A device used for position verification communication, which is communication for verifying whether or not the mobile terminal apparatus is located at the location indicated by the location information, is specified based on the location indicated by the location information. A device designation section;
A location for transmitting a location verification communication request for requesting the location verification communication between the mobile terminal device and the designated device designated by the device designation unit to at least one of the mobile terminal device and the designated device. An information processing apparatus comprising: a verification communication request transmission unit. The information processing apparatus further includes:
Having a device registration unit that registers multiple devices with the location of each device,
The device designation unit is
Based on the location of the mobile terminal device indicated by the location information and the location of each device registered in the device registration unit, a device used for the location verification communication is selected from the plurality of devices. The information processing apparatus according to claim 1, wherein the information processing apparatus is specified. The information processing apparatus further includes:
The information processing apparatus according to claim 2, further comprising a registered device update unit that updates at least a part of devices registered in the device registration unit to new devices. The device designation unit is
Specify a device located near the location of the mobile terminal device from the plurality of devices,
The location verification communication request transmitter is
A location verification communication request for requesting to perform narrow-band wireless communication between the mobile terminal device and the designated device as the location verification communication is transmitted to at least one of the mobile terminal device and the designated device. The information processing apparatus according to claim 2. The device designation unit is
A plurality of devices are designated as the designated device,
The location verification communication request transmitter is
The information processing apparatus according to claim 1, wherein the location verification communication request is transmitted to at least one of the mobile terminal device and a plurality of designated devices. The information processing apparatus further includes:
Communication result information for receiving communication result information indicating whether or not the location verification communication has been normally completed between the mobile terminal device and the designated device from at least one of the mobile terminal device and the designated device. A receiver,
When the location verification communication is normally completed between the mobile terminal device and the designated device with reference to the communication result information, the mobile terminal device is located at the location indicated in the location information. If the location verification communication is not normally completed between the mobile terminal device and the designated device, it is determined that the mobile terminal device is not located at the location indicated in the location information. The information processing apparatus according to claim 1, further comprising: a position verification unit that performs processing. A communication result information receiving unit that receives communication result information indicating an identifier of a communication partner of the narrowband wireless communication acquired by the device performing narrowband wireless communication from a device located at an arbitrary position;
A storage unit that stores a location of the device and an identifier of the communication partner indicated in the communication result information;
A location information receiving unit for receiving, from a mobile terminal device, location information indicating a location of the mobile terminal device and an identifier of the mobile terminal device;
Based on the location of the device, the identifier of the communication partner, the location of the mobile terminal device indicated in the location information, and the identifier of the mobile terminal device, the mobile terminal device is indicated in the location information. An information processing apparatus comprising: a position verification unit that determines whether or not the user is located at a location. The storage unit
Along with the location of the device and the identifier of the communication partner, the reception time of the communication result information is stored,
The position verification unit
The location of the device, the identifier of the communication partner, the location of the mobile terminal device indicated in the location information, the identifier of the mobile terminal device, the reception time of the communication result information, and the location information 8. The information processing apparatus according to claim 7, wherein the information processing apparatus determines whether the mobile terminal apparatus is located at a location indicated by the position information based on a reception time. A computer receives location information indicating a location of the mobile terminal device from the mobile terminal device;
The computer uses a device used for location verification communication, which is communication for verifying whether the mobile terminal device is located at the location indicated by the location information, as the location indicated by the location information. Based on
The computer transmitting a location verification communication request for requesting to perform the location verification communication between the mobile terminal device and a specified designated device to at least one of the mobile terminal device and the designated device; A characteristic information processing method. The computer receives communication result information indicating an identifier of the communication partner of the narrowband wireless communication acquired by the device performing narrowband wireless communication from a device located at an arbitrary position,
The computer stores the location of the device and the identifier of the communication partner indicated in the communication result information;
The computer receives from the mobile terminal device location information indicating a location of the mobile terminal device and an identifier of the mobile terminal device;
Based on the location of the device, the identifier of the communication partner, the location of the mobile terminal device indicated in the location information, and the identifier of the mobile terminal device, the computer An information processing method comprising determining whether or not the user is located at a location indicated by information. A location information receiving process for receiving location information indicating a location of the mobile terminal device from a mobile terminal device;
A device used for position verification communication, which is communication for verifying whether or not the mobile terminal apparatus is located at the location indicated by the location information, is specified based on the location indicated by the location information. Device designation processing,
A location for transmitting a location verification communication request for requesting to perform the location verification communication between the mobile terminal device and the designated device designated by the device designation processing to at least one of the mobile terminal device and the designated device. A program for causing a computer to execute verification communication request transmission processing. A communication result information receiving process for receiving communication result information indicating an identifier of a communication partner of the narrowband wireless communication acquired by the device performing narrowband wireless communication from a device located at an arbitrary position;
A storage process for storing the location of the device and the identifier of the communication partner indicated in the communication result information;
A location information receiving process for receiving, from a mobile terminal device, location information indicating a location of the mobile terminal device and an identifier of the mobile terminal device;
Based on the location of the device, the identifier of the communication partner, the location of the mobile terminal device indicated in the location information, and the identifier of the mobile terminal device, the mobile terminal device is indicated in the location information. A program for causing a computer to execute position verification processing for determining whether or not the user is located at a location.

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