This algorithm combined sub-carrier allocation in the physical(PHY) layer with traffic scheduling at the data link layer (DLL) by employing the channel state information.
利用物理层的信道状态信息，该算法将物理层（PHY）的子载波分配同数据链路层（DLL）的数据包业务调度结合起来。
Secondly two layers are described in the thesis: the data link layer(DLL) and the fieldbus access sublayer(FAS).
分析了两个目标层：数据链路层和现场总线访问子层。
Secondly two layers are described in the thesis: the data link layer(DLL) and the fieldbus access sublayer(FAS).
分析了两个目标层：数据链路层和现场总线访问子层。
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