BROADCAST METHOD IN WIRELESS NETWORK, AND COMMUNICATION SYSTEM USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a broadcast method in a wireless network wherein a device linked to a WPAN secures reception of information to be broadcasted, and communication efficiency of all communication system is improved, and also to provide a communication system which uses the method.

SOLUTION: The broadcast method comprises steps of: inspecting whether change is needed to either a channel currently acted and a PAN ID, in the wireless network to which a plurality of the devices are connected and which is synchronized by a synchronizing signal broadcasted from a coordinator chosen from a plurality of the devices; and inserting change information for change of any one of the channel and the PAN ID into the synchronizing signal when change is needed to either one of them from result of the inspection and performs broadcast.

COPYRIGHT: (C)2005,JPO&NCIPI