NETWORK SYSTEM, MOBILE DEVICE, METHOD OF CONTROLLING SAME, AND COMPUTER PROGRAM
First Claim
1. A network system comprising:
- a plurality of mobile devices each having a sensor function and a wireless communication function, the mobile devices communicating sensor information about a target with one another and tracking the target;
target searching means for obtaining sensor information while the plurality of the mobile devices move, and for reporting the sensor information among the respective mobile devices by wireless communication;
target focusing means for, in response to one of the mobile devices detecting a target, focusing a sensor on the target in cooperation with respective mobile devices adjacent to the mobile device detecting said target; and
target surrounding means for surrounding the target by using a plurality of mobile devices that focus their respective sensors on the same target.
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Abstract
A network system including a plurality of mobile devices is provided. The plurality of mobile devices each have a sensor function and a wireless communication function, the mobile devices communicating sensor information about a target with one another and tracking the target; a target searching section configured to obtain sensor information while the plurality of the mobile devices move and for reporting the sensor information among the mobile devices by wireless communication; a target focusing section configured to, in response to one of the mobile devices detecting a target, focus a sensor on the target in cooperation with mobile devices adjacent to the mobile device detecting the target; and a target surrounding section configured to surround the target by using a plurality of mobile devices that focus their sensors on the same target.
38 Citations
31 Claims
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1. A network system comprising:
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a plurality of mobile devices each having a sensor function and a wireless communication function, the mobile devices communicating sensor information about a target with one another and tracking the target;
target searching means for obtaining sensor information while the plurality of the mobile devices move, and for reporting the sensor information among the respective mobile devices by wireless communication;
target focusing means for, in response to one of the mobile devices detecting a target, focusing a sensor on the target in cooperation with respective mobile devices adjacent to the mobile device detecting said target; and
target surrounding means for surrounding the target by using a plurality of mobile devices that focus their respective sensors on the same target. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A mobile device that has a sensor function and a wireless communication function, that operates as a communication node on a wireless network, and that tracks a target by communicating sensor information with other communication nodes, the mobile device comprising:
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moving means;
target searching means for obtaining sensor information while the mobile device is moved using the moving means and for reporting the sensor information among neighboring communication nodes;
target detecting means for reporting whether the target has been detected on the basis of sensor information obtained by the mobile device to neighboring communication nodes or for attempting to detect the same target in response to information received that the target has been detected by a neighboring communication node; and
target tracking means for tracking the target detected on the basis of the sensor information obtained by the mobile device while focusing a sensor of the mobile device on the target. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of controlling a mobile device that includes a sensor function, a wireless communication function, and moving means, that operates as a communication node on a wireless network, and that tracks a target by communicating sensor information with other communication nodes on a computer system, the method comprising:
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obtaining sensor information while moving using the moving means and communicating the sensor information with neighboring communication nodes;
reporting the fact that the target has been detected on the basis of the obtained sensor information to neighboring communication nodes or attempting to detect the same target in response to the reception of a report that the target has been detected from the neighboring communication node; and
tracking the target while focusing a sensor on the target detected on the basis of the obtained sensor information.
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29. A computer program written in a computer-readable format so that operation control for a mobile device that includes a sensor function, a wireless communication function, and moving means and that operates as a communication node on a wireless network to track a target by communicating sensor information about the target with one another is performed on a computer system, the computer program enabling the computer system to execute processing comprising:
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obtaining sensor information while moving using the moving means and communicating the sensor information with neighboring communication nodes;
reporting the fact that the target has been detected on the basis of the obtained sensor information to neighboring communication nodes or attempting to detect the same target in response to the reception of a report that the target has been detected from the neighboring communication node; and
tracking the target while focusing a sensor on the target detected on the basis of the obtained sensor information.
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30. A network system comprising:
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a plurality of mobile devices each having a sensor function and a wireless communication function, the mobile devices communicating sensor information about a target with one another and tracking the target;
a target searching section configured to obtain sensor information while the plurality of the mobile devices move and for reporting the sensor information among the mobile devices by wireless communication;
a target focusing section configured to, in response to one of the mobile devices detecting a target, focus a sensor on the target in cooperation with mobile devices adjacent to the mobile device detecting the target; and
a target surrounding section configured to surround the target by using a plurality of mobile devices that focus their respective sensors on the same target.
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31. A mobile device that has a sensor function and a wireless communication function, that operates as a communication node on a wireless network, and that tracks a target by communicating sensor information with other communication nodes, the mobile device comprising:
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a moving section;
a target searching section configured to obtain sensor information while the mobile device is moving using the moving means and for reporting the sensor information among neighboring communication nodes;
a target detecting section configured to report the fact that the target has been detected on the basis of sensor information obtained by the mobile device to neighboring communication nodes or for attempting to detect the same target in response to received information that the target has been detected from a neighboring communication node; and
a target tracking section configured to track the target detected on the basis of the sensor information obtained by the mobile device while focusing a sensor of the mobile device on the target.
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Specification