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    • 1. 发明申请
    • Technique for coordinated RLC and PDCP processing
    • 协调RLC和PDCP处理技术
    • US20100274921A1
    • 2010-10-28
    • US12763518
    • 2010-04-20
    • Jürgen LerzerStefan MeyerStefan Strobl
    • Jürgen LerzerStefan MeyerStefan Strobl
    • G06F15/16
    • H04W80/02H04L69/12H04L69/32
    • A technique for performing layer 2 processing is described. In a method implementation of this technique, at least one first RLC SDU is created from one or more first RLC PDUs. It is assumed here that the first RLC SDU belongs to an incomplete RLC SDU set that is to comprise at least one second RLC SDU, and that the second RLC SDU is to be created from at least one second RLC PDU not yet available. In a next step, a first PDCP function is applied to the first RLC SDU to create a data packet. The RLC function is only performed after the second RLC PDU has become available (or after an RLC time-out). Then, after the RLC function has been performed, the data packet is released to a second PDCP function.
    • 描述了用于执行层2处理的技术。 在该技术的方法实现中,从一个或多个第一RLC PDU创建至少一个第一RLC SDU。 这里假设第一RLC SDU属于将包括至少一个第二RLC SDU的不完整的RLC SDU集合,并且从尚未可用的至少一个第二RLC PDU创建第二RLC SDU。 在下一步骤中,将第一PDCP功能应用于第一RLC SDU以创建数据分组。 仅在第二RLC PDU变得可用之后(或在RLC超时之后)执行RLC功能。 然后,在执行了RLC功能之后,数据包被释放到第二PDCP功能。
    • 3. 发明授权
    • Technique for coordinated RLC and PDCP processing
    • 协调RLC和PDCP处理技术
    • US08780938B2
    • 2014-07-15
    • US12763518
    • 2010-04-20
    • Jürgen LerzerStefan MeyerStefan Strobl
    • Jürgen LerzerStefan MeyerStefan Strobl
    • H04J3/24
    • H04W80/02H04L69/12H04L69/32
    • A technique for performing layer 2 processing is described. In a method implementation of this technique, at least one first RLC SDU is created from one or more first RLC PDUs. It is assumed here that the first RLC SDU belongs to an incomplete RLC SDU set that is to comprise at least one second RLC SDU, and that the second RLC SDU is to be created from at least one second RLC PDU not yet available. In a next step, a first PDCP function is applied to the first RLC SDU to create a data packet. The RLC function is only performed after the second RLC PDU has become available (or after an RLC time-out). Then, after the RLC function has been performed, the data packet is released to a second PDCP function.
    • 描述了用于执行层2处理的技术。 在该技术的方法实现中,从一个或多个第一RLC PDU创建至少一个第一RLC SDU。 这里假设第一RLC SDU属于将包括至少一个第二RLC SDU的不完整的RLC SDU组,并且第二RLC SDU将从尚不可用的至少一个第二RLC PDU创建。 在下一步骤中,将第一PDCP功能应用于第一RLC SDU以创建数据分组。 仅在第二RLC PDU变得可用之后(或在RLC超时之后)执行RLC功能。 然后,在执行了RLC功能之后,数据包被释放到第二PDCP功能。
    • 5. 发明授权
    • Technique for performing layer 2 processing using a distributed memory architecture
    • 使用分布式存储器架构进行二层处理的技术
    • US08483061B2
    • 2013-07-09
    • US12768254
    • 2010-04-27
    • Jürgen LerzerStefan MeyerStefan Strobl
    • Jürgen LerzerStefan MeyerStefan Strobl
    • G06F11/00
    • H04W12/02H04L1/1829
    • A distributed memory architecture for a layer 2 processing circuit chip (50) is described. In one implementation, the layer 2 processing circuit chip (50) comprises an external memory interface configured to provide access to data packets stored in an external memory (52), a layer 2 processor (54) coupled to the external memory interface (56) and configured to process data packets retrieved from the external memory (56) to generate RLC SDUs, and an on-chip memory (58) coupled to the layer 2 processor (54) and configured to store the RLC PDUs generated by the layer 2 processor (54) prior to their transmission. Upon a request to retransmit an RLC PDU, the layer 2 processor (54) is configured to selectively read the RLC PDU to be retransmitted from the on-chip memory (58) or a data packet comprising the RLC PDU to be retransmitted from the external memory (52). In the latter case, the layer 2 processor (54) is further configured to re-generate the RLC PDU to be retransmitted from the data packet read from the external memory (52). The selectivity of the read operation depends on whether or not the RLC PDU to be retransmitted belongs to a data packet that has been completely transmitted in a single layer 1 transport unit.
    • 描述了用于层2处理电路芯片(50)的分布式存储器架构。 在一个实现中,层2处理电路芯片(50)包括被配置为提供对存储在外部存储器(52)中的数据分组的访问的外部存储器接口,耦合到外部存储器接口(56)的层2处理器(54) 并且被配置为处理从外部存储器(56)检索的数据分组以产生RLC SDU;以及片上存储器(58),耦合到所述层2处理器(54)并且被配置为存储由所述层2处理器 (54)。 在重发RLC PDU的请求时,层2处理器(54)被配置为选择性地读取要从片上存储器(58)重传的RLC PDU或者包括要从外部重传的RLC PDU的数据分组 记忆(52)。 在后一种情况下,层2处理器(54)还被配置为从从外部存储器(52)读取的数据分组重新生成要发送的RLC PDU。 读取操作的选择性取决于要重发的RLC PDU是否属于已经在单层1传输单元中完全传输的数据分组。