| 摘要 |
PROBLEM TO BE SOLVED: To provide a new technique of rapidly changing over a command station of a wireless communication network to a backup station and vice versa.SOLUTION: The wireless communication network includes: a command station for allocating a frequency band, broadcasting a backup station and periodic measurement periods in which a terminal should measure reception quality, and stopping the allocation of the frequency band to the terminal during the measurement period; one or a plurality of backup stations for synchronizing with the command station and transmitting a measuring signal by using the same frequency channel as that of the command station; and one or a plurality of terminals for measuring reception quality for each backup station by using the measuring signal. |
