用于在无线通信中选择增强型传输格式组合的方法和装置

Method and apparatus for enhanced transport format combination selection in wireless communications

Abstract

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.
提供了高效的增强型传输格式组合(E-TFC)选择方法和装置,该方法和装置支持灵活的无线电链路控制(RLC)分组数据单元(PDU)大小和媒介接入控制(MAC)层分段。提供了用来自逻辑信道的数据来填充媒介接入控制(MAC-e)分组数据单元(PDU)以作为E-TFC选择的一部分的方法。在一个实施方式中,所述E-TFC选择算法采用从所述MAC层到所述RLC层的单独请求来请求被允许为逻辑信道发送以生成MAC-e PDU的比特数量。在另一个实施方式中,所述MAC实体做出到所述RLC实体以生成一个或多个设定大小的增强型MAC-e PDU的单独请求。还提供了一种用于为具有可变长度报头的非调度数据流维持保证的比特率(GBR)的技术。

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