Patent ID: 8112542

Claim:
A method for operating a wireless access point to transmit a video stream having a plurality of independent frames and a plurality of reference frames to a plurality of wireless devices, the method comprising: the wireless access point selecting a positive reception confirmation leader from the plurality of wireless devices, wherein the positive reception confirmation leader is a first wireless device whose communication path to the wireless access point has second highest transmission error rate among the plurality of the wireless devices; the wireless access point selecting a negative reception confirmation leader from the plurality of wireless devices, wherein the negative reception confirmation leader is a second wireless device whose communication path to the wireless access point has highest transmission error rate among the plurality of the wireless devices; the wireless access point transmitting an independent frame of the plurality of independent frames to the plurality of wireless devices using reception confirmation; the wireless access point either receiving a positive acknowledgment of the independent frame only from the positive reception confirmation leader or the wireless access point receiving a negative acknowledgment of the independent frame only from either the negative reception confirmation leader or the positive reception confirmation leader; wherein, in response to receiving the negative acknowledgment of the independent frame only from either the negative reception confirmation leader or the positive reception confirmation leader, the wireless access point retransmitting the independent frame of the plurality of independent frames to the plurality of wireless devices using the reception confirmation; and wherein, the wireless access point transmitting a reference frame of the plurality of reference frames to the plurality of wireless devices without the reception confirmation.