Patent ID: 7742743
Filing Date: 2010-06-22
Classification: H04W

Abstract:
1. A communication system having reduced wireless frame collision, comprising: a plurality of communication devices each of which selectively operates as any one of a control station, a dependent station and a dependent control station, said control station being a communication device which controls communication conducted in a network established by the control station itself, said dependent station being a communication device which participates in a network established by other communication device, and said dependent control station being a communication device which participates in a network established by an other communication device, establishes a dependent network synchronized with the network established by the other communication device and controls communication conducted in the dependent network established by the dependent control station itself, wherein a second communication device is configured to operate as a dependent station of a first communication device configured to operate as a control station of a first network, said second communication device comprises: said third communication device comprises: