| 摘要 |
A wireless communication apparatus includes a data input unit, a PDU data managing unit, a re-transmission controlling unit, and a pre-deciphering processing unit. The data input unit receives MAC-ehs PDU data. The PDU data managing unit determines addresses in a storage unit, generates an expansion table, and stores the MAC-ehs PDU data. The re-transmission controlling unit determines that an expected PDU segment is a PDU segment including a sequence number immediately following a last one of sequence numbers of consecutive PDU segments, judges whether a sequence number of a received PDU segment coincides with the sequence number of the expected PDU segment, makes a re-transmission request, and issues a notification indicating that a predetermined time length has elapsed or PDU segments have reached a predetermined size. The pre-deciphering processing unit obtains the PDU segments from the storage unit and completes a MAC-ehs SDU from the obtained PDU segments.
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