A method of transmitting data over a plurality of channels, said channels forming a bonded channel comprising a bonded channel superframe, the bonded channel superframe comprising a bonded channel beacon period and a bonded channel data period; broadcasting a control message on a bonded channel superframe, said control message indicating that subsequent transmission will be over distinct channels, each of said channels comprising a distinct superframe comprising a beacon period and a data period, and transmitting in each of the distinct channels a sequence of superframes, each superframe comprising a distinct beacon period followed by a distinct data period.