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A method of handling RLC SDUs during RLC reset and RLC re-establishment in a UMTS system
A method of handling RLC SDUs during RLC reset and RLC re-establishment in a UMTS system
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机译:在UMTS系统中的RLC重置和RLC重建期间处理RLC SDU的方法
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摘要
A method of transmitting downlink data after re-establishment of a universal terrestrial radio access network (UTRAN) (20) acknowledged mode (AM) radio link control (RLC) entity includes receiving a plurality of RLC service data units (SDUs) from a packet data convergence protocol (PDCP) layer of the UTRAN (20); dividing the received RLC SDUs into RLC protocol data units (PDUs) and transmitting the RLC PDUs to a user equipment (UE) (10); receiving acknowledgments from the UE (10) for received RLC PDUs; receiving a re-establishment request at a transmitting side of the AM RLC entity from upper layers of the UTRAN (20); discarding all RLC SDUs that have been fully transmitted to the UE (10) before the re-establishment request is received; and discarding all RLC SDUs that have not been fully transmitted to the UE (10) when the re-establishment request is received.
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