Patent ID: 7957342
Filing Date: 2011-06-07
Classification: H04L,H04W,Y04S

Abstract:
1. A master station which manages a communication system, the master station comprising: a receiver to receive a beacon packet from another master station which manages another communication system which shares a same channel with the communication system, the other master station periodically setting a beacon period in the other communication system to the channel, the beacon packet being transmitted from the other master station during the beacon period, a start time of transmission of the beacon packet being different from a start time of the beacon period, the beacon packet including information indicating an offset which is a period from the start time of the beacon period to the start time of the transmission of the beacon packet; and a bandwidth manager to synchronize a beacon period in the communication system with the beacon period in the other communication system on the basis of the information indicating the offset, a beacon packet being transmitted from the master station during the beacon period in the communication system.