Patent ID: 8627164

Claim:
A wireless communication apparatus, wherein the wireless communication apparatus uses a communication protocol to transmit and receive a MAC PDU with a data check bit, the wireless communication apparatus comprising: a receiving section that receives the MAC PDU from another wireless communication apparatus of a transmitting origin; a received MAC PDU determining section that performs a data check for the received MAC PDU by using the data check bit and determines whether a transmission of the MAC PDU produces an error; a received result transmitting section that, when the transmission of the MAC PDU produces an error, discards the MAC PDU and transmits a retransmission request for the MAC PDU to the other wireless communication apparatus, and when the transmission of the MAC PDU does not produce an error, transmits a message indicating that the MAC PDU is normal to the other wireless communication apparatus; a determining section that determines whether an identity of MAC control information is designated correctly, and that passes the MAC PDU to a predetermined processing and discards the MAC PDU when the identity of the MAC control information is designated incorrectly; and a transmitting section that transmits the MAC PDU toward another wireless communication apparatus of a transmitting destination, and wherein when the identity of the MAC control information is incorrect, the determination section discards the MAC PDU and instead of requesting the received result transmitting section to retransmit the MAC PDU, requests the transmitting section to embed a retransmission request in communication control information of the MAC PDU to be transmitted to the other wireless communication apparatus and transmits the MAC PDU.