Patent ID: 7881273

Claim:
A wireless communication apparatus for transmitting/receiving a signal within a frequency band for which radar wave detection is required, the wireless communication apparatus comprising: communication means for transmitting/receiving wireless data at a plurality of available carrier frequencies; radar wave detection means for monitoring a radar wave at the currently used carrier frequency; and communication control means for controlling the communication operation of said communication means either in an interference avoidance operation mode for detecting a radar wave and instructing various stations to change the employed carrier frequency in accordance with a radar wave detection or in a normal operation mode for performing a communication operation while changing the employed carrier frequency in compliance with a remote station's instruction for a change in the employed carrier frequency, wherein said communication control means retains a neighboring station list for neighboring station management, notes neighboring stations indicated in said neighboring station list, and selects, in a random manner but with a predetermined probability, the next communication station that should operate in the interference avoidance operation mode.