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    • 51. 发明授权
    • Transport control method in wireless communication system
    • 无线通信系统中的传输控制方法
    • US08018846B2
    • 2011-09-13
    • US11638783
    • 2006-12-14
    • Tae-In HyonSang-Boh YunHoon Kim
    • Tae-In HyonSang-Boh YunHoon Kim
    • H04L12/26H04J3/16H04B7/00
    • H04L47/12H04L1/1607H04L1/1867H04L47/10H04L47/14H04L47/193H04L47/2466H04W28/10H04W80/06
    • A transport control method in a transmitter of a wireless communication system, which includes a transport layer having a congestion control function of transmitting data in a segment basis and retransmitting a segment if an RTO timer expires before receipt of an ACK segment is received in response to transmission of the segment and a MAC layer for detecting receipt of an ACK segment through a wireless link and transporting the detected ACK segment to the transport layer, includes temporarily storing received ACK segments in the MAC layer; detecting an average transmission rate of data segments; and transporting the stored ACK segments to the transport layer at the average transmission rate. Accordingly, by controlling an upward transport rate of a received ACK message by referring to an RTO value of a TCP in a MAC layer, unnecessary retransmission can be prevented by a congestion control function.
    • 一种无线通信系统的发送器中的传输控制方法,其包括具有如下传输层的传输层,所述传输层具有在接收到ACK片段之前如果在RTO定时器到期之前以段为基础传输数据并重传片段,则响应于 该段的传输和用于检测通过无线链路接收ACK段的MAC层,并将检测到的ACK段传送到传输层,包括临时存储接收的ACK段在MAC层中; 检测数据段的平均传输速率; 并以平均传输速率将存储的ACK片段传送到传输层。 因此,通过参照MAC层中的TCP的RTO值来控制接收到的ACK消息的向上传输速率,可以通过拥塞控制功能来防止不必要的重传。