| 摘要 |
<p>There are included: attenuators (212, 222) that are disposed in wireless devices (21, 22), respectively, and each attenuate the input level of a received signal; a general monitoring unit (310) that monitors the communication status of each of the wireless devices (21, 22); and a general control unit (320) that determines, on the basis of the communication status of each of the wireless devices (21, 22) monitored by the general monitoring unit (310), whether the input level of the received signal of a first one (21), which is to be controlled, of the wireless devices (21, 22) will be excessive due to a wireless communication performed by a wireless device other than the first wireless device (21), i.e., a second wireless device (22) and that, if having determined that the input level of the received signal will be excessive, activates and controls the attenuator (212) of the first wireless device (21) to attenuate the input level of the received signal.</p> |
