| 摘要 |
PROBLEM TO BE SOLVED: To enable a terminal device to determine whether connection between a base station device and a radio relay device is maintained.SOLUTION: A radio relay device is configured to: determine whether the radio relay device is out of service area of a base station device; relay communication between the base station device and a terminal device connected with the radio relay device; generate a beacon including information indicating whether the radio relay device is out of the service area according to the determination result; and transmit the generated beacon to the terminal device. |
