| 摘要 |
PROBLEM TO BE SOLVED: To suppress interruptions of communication connections among devices in a multi-hop network.SOLUTION: In a device control system which comprises a first device, a second device, a third device and a controller to control these devices from the first to the third by using a wireless communication, the controller is wirelessly communication-connected to the first device, the first device is wirelessly communication-connected to the second device, the second device is wirelessly communication-connected to the third device. If the third device detects any degradation in radio receiving sensitivity, the third device and the second device become to a channel change mode in which any control by the controller is not accepted and change a radio channel to be used between the third device and the second device. |
