| 摘要 |
PROBLEM TO BE SOLVED: To prevent communication interference among two or more radio communication networks having mutually different physical layers. SOLUTION: In the interference prevention method for preventing the communication interference among two or more radio communication networks 10a, 10b having mutually different physical layers of the radio communication networks performing radio communication between a plurality of devices 2 and coordinators 3, by the coordinator in each radio communication network 10, a scanning period 26 for scanning coexisting notice signals transmitted from the coordinator in another radio communication network 10 over a prescribed period is provided before the first super frame immediately after power is supplied, its own CB 27 is transmitted at least once per super frame at least, and when the CB 27 transmitted from the coordinator 3 in another radio communication network 10 is acquired in the scanning period 26, control for preventing the communication interference with another radio communication network 10 is executed. COPYRIGHT: (C)2011,JPO&INPIT
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