| 摘要 |
PROBLEM TO BE SOLVED: To achieve bidirectional transmission with high time use efficiency without delaying retransmission processing even when a UL transmission rate is largely different from a DL transmission rate.SOLUTION: A reception frame separation part 10 of a radio communication device 101, separates reception ACK/NACK information stored in a header, and a reception packet etc. from a reception frame group. A transmission packet buffer 4 identifies a retransmission packet on the basis of the reception ACK/NACK information. An error detection part 13 performs error detection on the reception packet. A transmission ACK/NACK generation part 14 generates ACK/NACK information indicative of whether or not the reception packet can be received. A transmission frame mapping part 5 generates a transmission subframe of a header stored with transmission ACK/NACK information and a transmission subframe stored with data packet etc., and generates a transmission subframe group that includes the header at the top. |
