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    • 5. 发明申请
    • METHOD AND APPARATUS FOR SUPPORTING RLC RE-SEGMENTATION
    • 支持RLC重新分配的方法和装置
    • WO2008094662A3
    • 2009-02-26
    • PCT/US2008001305
    • 2008-01-31
    • INTERDIGITAL TECH CORPPANI DIANACAVE CHRISTOPHER RTERRY STEPHEN EMARINIER PAUL
    • PANI DIANACAVE CHRISTOPHER RTERRY STEPHEN EMARINIER PAUL
    • H04L1/00H04L1/18
    • H04L5/0055H04L1/0007H04L1/1874H04L1/1896H04W4/18
    • A method and apparatus for radio link control (RLC) re-segmentation are disclosed. An original RLC protocol data unit (PDU) is generated from at least one RLC service data unit (SDU). The RLC PDU size is within a flexible maximum RLC PDU size. The original RLC PDU is stored in a retransmission buffer. If transmission of the original RLC PDU fails and the original RLC PDU size is larger than an updated maximum RLC PDU size, the original RLC PDU is segmented to segmented RLC PDUs. If transmission of one of the segmented RLC PDUs fails, the original RLC PDU may be re-segmented to smaller size RLC PDUs, or the segmented RLC PDU may be sub-segmented. Alternatively, the failed RLC PDU may be processes as an RLC SDU to generate encapsulating RLC PDUs for carrying the RLC PDU. Alternatively, an RLC SDU corresponding to the failed RLC PDU may be re-segmented.
    • 公开了一种用于无线电链路控制(RLC)重新分割的方法和装置。 从至少一个RLC服务数据单元(SDU)生成原始RLC协议数据单元(PDU)。 RLC PDU大小在灵活的最大RLC PDU大小之内。 原始RLC PDU存储在重传缓冲器中。 如果原始RLC PDU的传输失败并且原始RLC PDU大小大于更新的最大RLC PDU大小,则原始RLC PDU被分段到分段的RLC PDU。 如果分段RLC PDU之一的传输失败,则原始RLC PDU可以被重新分段到较小尺寸的RLC PDU,或者分段的RLC PDU可以被分段。 或者,故障的RLC PDU可以是用于生成用于携带RLC PDU的封装RLC PDU的RLC SDU的处理。 或者,可以重新分段与故障RLC PDU对应的RLC SDU。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR ENHANCED TRANSPORT FORMAT COMBINATION SELECTION IN WIRELESS COMMUNICATIONS
    • 在无线通信中用于增强传输格式组合选择的方法和设备
    • WO2009045892A2
    • 2009-04-09
    • PCT/US2008077844
    • 2008-09-26
    • INTERDIGITAL PATENT HOLDINGSPANI DIANAMARINIER PAULTERRY STEPHEN ECAVE CHRISTOPHER R
    • PANI DIANAMARINIER PAULTERRY STEPHEN ECAVE CHRISTOPHER R
    • H04J3/00
    • H04L29/02H04W28/065H04W72/1263
    • Efficient enhanced transport format combination (E-TFC) selection methods and apparatus support flexible radio link control (RLC) packet data unit (PDU) size and medium access control (MAC) layer segmentation. Methods for filling an enhanced medium access control (MAC-e) packet data unit (PDU) with data from logical channels as part of E-TFC selection are provided. In one embodiment, the E-TFC selection algorithm employs a single request from the MAC layer to the RLC layer to request the number of bits it is allowed to send for a logical channel to create enhanced MAC-e PDUs. In another embodiment, the MAC entity performs multiple requests to the RLC entity. In another embodiment, the MAC entity makes a single request to the RLC entity to create one or more enhanced MAC-e PDUs of a set size. A technique is also provided for maintaining a guaranteed bit rate (GBR) for non-scheduled data flows with variable-length headers.
    • 高效增强传输格式组合(E-TFC)选择方法和设备支持灵活的无线电链路控制(RLC)分组数据单元(PDU)大小和媒体访问控制(MAC)层分段。 提供了用作为E-TFC选择的一部分的来自逻辑信道的数据填充增强媒体接入控制(MAC-e)分组数据单元(PDU)的方法。 在一个实施例中,E-TFC选择算法采用从MAC层到RLC层的单个请求来请求其允许发送给逻辑信道以创建增强型MAC-e PDU的比特的数量。 在另一个实施例中,MAC实体对RLC实体执行多个请求。 在另一个实施例中,MAC实体向RLC实体发出单个请求以创建一个或多个设置大小的增强型MAC-e PDU。 还提供了用于为具有可变长度报头的非调度数据流维持保证比特率(GBR)的技术。