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    • 7. 发明申请
    • MEDIA ACCESS CONTROLLER WITH ENHANCED DATA UNIT RETRANSMISSION FOR BROADBAND WIRELESS COMMUNICATION
    • 具有增强数据单元的媒体访问控制器,用于宽带无线通信
    • WO2006063278A1
    • 2006-06-15
    • PCT/US2005/044705
    • 2005-12-07
    • INTEL CORPORATIONYE, FengjiBAKSHI, Sanjay
    • YE, FengjiBAKSHI, Sanjay
    • H04L12/56H04L1/18
    • H04L1/1887H04W28/065H04W72/12
    • A media access controller (MAC) of a broadband wireless communication device generates a data unit payload from fragments of more than one service data unit, constructs an initial data unit from the data unit payload, and combines the initial data unit with data units of another service flow for subsequent transmission. The MAC reconstructs a new data unit when at least a portion of one of the fragments of the initial data unit is not acknowledged as being received. In some embodiments, the new data unit is reconstructed using blocks of a same fragment and blocks of an untransmitted fragment. The same fragment may include both blocks that were acknowledged as being received and blocks that were not acknowledged as being received. In some embodiments, portions of the initial data unit payload are rearranged to generate smaller data units for retransmission when channel conditions have degraded.
    • 宽带无线通信设备的媒体接入控制器(MAC)从多个服务数据单元的片段生成数据单元有效载荷,从数据单元有效载荷构建初始数据单元,并将初始数据单元与其他数据单元组合 后续传输的业务流程。 当初始数据单元的片段之一的至少一部分未被确认为被接收时,MAC重建新的数据单元。 在一些实施例中,使用相同片段的块和未发送的片段的块来重建新的数据单元。 相同的片段可以包括被确认为被接收的两个块和未被确认为被接收的块。 在一些实施例中,重新排列初始数据单元有效负载的部分以在信道条件已经恶化时生成用于重传的较小数据单元。