Patent ID: 7904777

Claim:
A method of packet communication in a wireless communication system including a sender and a receiver, comprising: forming an Aggregated Media Access Control (MAC) Service Data Unit (A-MSDU) from multiple MSDUs; transmitting the A-MSDU from the sender to the receiver over a wireless channel including: forming an Aggregated MAC Protocol Data Unit (A-MPDU) comprising one or more MPDUs; transporting the A-MPDU from the sender to the receiver over a wireless channel; generating a Block Acknowledgement Request (BAR) corresponding to the A-MPDU to request a block acknowledgement for the A-MPDU from the receiver, wherein the BAR includes a size subfield indicating the A-MSDU-Size for the corresponding A-MPDU; generating a block acknowledge that includes a plurality of acknowledgments corresponding to a plurality of MSDUs in a received A-MSDU; transmitting the block acknowledge to the sender; and selectively retransmitting each MSDU that requires retransmission as indicated by the corresponding acknowledgment in the block acknowledge.