Patent ID: 8284753

Claim:
A wireless communication apparatus which performs communication in a channel use period, comprising: an acquiring device configured to acquire the channel use period; a transmitting device configured to transmit a plurality of Data frames and a Block Ack Request for requesting a Block Ack which indicates reception status of at least one of the plurality of Data frames, wherein the plurality of Data frames and the Block Ack Request are transmitted in the channel use period; and an adjustment device configured to adjust a timing of transmission of the Block Ack Request by the transmitting device such that the wireless communication apparatus completes reception of the Block Ack responding to the Block Ack Request within the channel use period, wherein adjustment by the adjustment device includes aggregating a data frame and the Block Ack request such that there is a reduced time interval between the data frame and the Block Ack request, the data frame preceding the Block Ack request.