| 摘要 |
PROBLEM TO BE SOLVED: To avoid the reduction of a service in the case of fault occurrence concerning a wireless local loop(WLL) system and a radio channel control method. SOLUTION: Wireless base stations WCS1, WCS2 and WCS3 are provided with detection means for detecting a fault with a wireless base station controller WAC and means for sending alarm information while adding close information when any fault is detected by this detection means and wireless subscriber units WSU1, WSU2 and WSU3 are provided with means for switching and setting the wireless base station in the peripheral area as a standby station when the close information is received and identified. Corresponding to the close information in the case of fault occurrence when a reception level is not off or reduced, the wireless base station communicable by setting a radio channel is defined as a new standby station. |
