| 摘要 |
<P>PROBLEM TO BE SOLVED: To attain high-reliability radio communication by avoiding interference due to the arrival of disturbance wave. <P>SOLUTION: A control part 23 of radio communications equipment 1-1 detects received field intensity from radio signals received by each of a plurality of radio-frequency channels, respectively, and stores the detected received field intensity of each radio-frequency channel in an interference wave table 241 as interference wave levels by means of an interference wave determining part 25. The control part 23 sets priority in an order from a radio-frequency channel whose received field intensity is equal to or higher than a predetermined threshold for receiving desired wave, and whose received field intensity is low, as the candidates for channels for communication by means of a frequency selection part 26 to create a priority table 242. The control part 23 selects a radio-frequency channel with high priority from among the plurality of radio-frequency channels in accordance with the priority table 242, and establishes a communication path with radio communications equipment at a partner by using the selected radio-frequency channel. <P>COPYRIGHT: (C)2009,JPO&INPIT |
