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Portable terminal device, communication control system, communication control method, and communication control program

A technology for portable terminals and control information, applied in wireless communication, telephone communication, vehicle wireless communication services, etc.

Pending Publication Date: 2021-11-05
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When a portable terminal device equipped with such a direct communication communication function is taken out of the range of the private network, it is necessary to restrict the portable terminal device from performing direct communication using a dedicated frequency of the private network.

Method used

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  • Portable terminal device, communication control system, communication control method, and communication control program
  • Portable terminal device, communication control system, communication control method, and communication control program
  • Portable terminal device, communication control system, communication control method, and communication control program

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0029] In Embodiment 1, as an example, a case will be described below in which a communication function of direct communication installed in a smartphone as a portable terminal device is used as V2X direct communication.

[0030] There are mainly vehicle-to-vehicle communication and road-to-vehicle communication that use direct communication as the application of V2X. Vehicle-to-vehicle communication, road-to-vehicle communication, and communication while passing vehicles (including parking) are V2X, and they are objects of direct communication.

[0031] When performing V2X, generally, a dedicated on-board device for direct communication is installed in the vehicle, and the communication is performed in the vehicle. On the other hand, as in Embodiment 1, there are cases where a mobile terminal device equipped with a communication function for direct communication is brought into a vehicle to perform V2X. In such a case, the portable terminal device can be taken out of the veh...

Embodiment approach 2

[0076] In Embodiment 1, the determination unit 5a determines that the mobile terminal device 1a is in the vehicle when the vehicle information or control information is acquired from the vehicle, and determines that the portable terminal device 1a is portable when the vehicle information or control information cannot be acquired from the vehicle. The terminal device 1a is not in the vehicle, and the control unit 3 controls the direct communication of the direct communication wireless unit 2 based on the determination result.

[0077] In Embodiment 2, such as Figure 4 ~ Figure 5 As shown, the determination unit 5b does not determine whether the portable terminal device 1b is in the vehicle based on whether the vehicle information or connection information can be obtained from the vehicle, but only judges whether the portable terminal device 1b is in the vehicle based on the information in the portable terminal device 1b. Other than that, it is the same as Embodiment 1. In the...

Embodiment approach 3

[0108] In Embodiments 1 and 2, a case was described in which the direct communication communication function installed in a smartphone as a portable terminal device is used for V2X direct communication. In Embodiment 3, such as Figure 6 ~ Figure 7 As shown in FIG. 1 , a case will be described in which a direct communication communication function installed in a tablet terminal as a portable terminal device is used for direct communication between portable terminal devices, for example, in a private network such as a factory. In addition, in Embodiment 3, direct communication is performed between portable terminal devices, but it is not limited to the mobile terminal devices, as long as the other party performing direct communication is a direct communication device.

[0109] Regarding the case of direct communication using a private network, for example, a case of performing communication regarding factory operations is considered. When performing communication for factory o...

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PUM

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Abstract

Conventional portable terminal devices identify specific locations where use of mobile phones are prohibited only from electromagnetic waves emitted from devices and vehicles using motors, devices using digital circuits, or therapeutic devices, etc., and stop radio wave radiation uniformly depending on the specific locations; therefore, there has been a problem in such conventional portable terminal devices in that the operating environment is not taken into account and communication cannot be restricted according to use. A portable terminal device (1a) is provided with: a direct communication radio unit (2) for performing direct communication allowed for a specific use; a determination unit (5a) for determining whether the operating environment of the device is an operating environment which allows the direct communication; and a control unit (3) for controlling, on the basis of a result of determination by the determination unit (5a), the direct communication to be performed by the direct communication radio unit (2).

Description

technical field [0001] The present invention relates to a portable terminal device, a communication control system, a communication control method, and a communication control program for performing communication control of direct communication. Background technique [0002] In the communication field, in LTE (Long Term Evolution, Long Term Evolution) and 5G (fifth generation mobile communication system), there are communications via base stations and communications without base stations. Communication without going through a base station is called direct communication, and communication is possible only between direct communication devices that perform direct communication without going through a base station. Direct communication is expected to be used, for example, in V2X (Vehicle to Everything, Vehicle to Everything). Direct communication can also be operated in the same frequency band as communication via the base station, but operation in a frequency band different fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/48H04W64/00H04W84/10H04W92/18
CPCH04W4/48H04W76/14H04W76/18H04M1/72463H04W4/022H04W48/04
Inventor 落合麻里藤井照子
Owner MITSUBISHI ELECTRIC CORP
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