| 摘要 |
A method of delivering protocol data units (PDUs) for a user equipment in a wireless communications system includes receiving a reordering PDU from a protocol entity. The reordering PDU has a PDU sequence, A first PDU of the PDU sequence is a segment of a PDU having a segmented side at the front, and a last PDU of the PDU sequence is a complete PDU. The first PDU is concatenated with a previously stored PDU segment to form a complete PDU for being delivered to an upper layer entity of the protocol entity when the reordering PDU and the previously stored PDU segment are consecutive. All PDUs other than the first PDU in the reordering PDU are delivered to the upper layer entity.
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