Patent ID: 7302227

Claim:
A communication method of performing a wireless communication operation in a network including a plurality of communication stations having no relation of a control station and a controlled station, comprising: transmitting from a communication station a beacon in which information with respect to the network is written; setting by the communication station a state in which a reception operation is performed during a period of time before and after the transmission of said beacon signal; exchanging by said communication station messages in order to transmit data with a communication station to which data should be transmitted when the data to be transmitted is generated; setting by said communication station a state in which a reception operation is performed during a period of time in which said communication partner station transmits a beacon signal and during a neighboring period of time thereof; judging by said communication station whether volume of data to be transmitted which is retained in a transmission station increases; and generating at least one transmission trigger time between beacon signal transmission intervals when the volume of data to be transmitted which is retained in the transmission station increases, wherein a transmission and reception procedure is started based on said transmission trigger time when the data to be transmitted exists in the transmission station.