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    • 9. 发明申请
    • HSDPA FLOW CONTROL DATA FRAME, FRAME SEQUENCE NUMBER
    • HSDPA流量控制数据帧,帧序列号
    • WO2005104672A2
    • 2005-11-10
    • PCT/SE2004/002006
    • 2004-12-22
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)LUNDH, PeterNADAS, Szilveszter
    • LUNDH, PeterNADAS, Szilveszter
    • H04L1/00H04L12/56H04W28/04
    • H04L47/10H04L1/1812H04L47/14H04L47/25H04L47/34
    • A radio base station (RBS) is described herein that detects when a high-speed downlink shared channel (HS-DSCH) data frame (110) is lost after it was transmitted by a radio network controller (RNC) over a transport link (Iub) towards the RBS (104). To accomplish this, the RBS (104) upon receiving a HS-DSCH data frame (110) inspects a frame sequence number (302) located within the received HS-DSCH data frame (110) to determine if the frame sequence number (302) is in sequence with a frame sequence number (302) located within a previously received HS-DSCH data frame (110). If the two frame sequence numbers (302) are not in sequence, then one or more HS-DSCH data frames (110) that were previously transmitted towards the radio base station (104) have been lost. If the radio base station (104) detects to many lost HS-DSCH data frames (110a), then it can correct the problem by reducing the bit rate of a certain HS user flow or by reducing the maximum bit rate for all of the HS traffic which is going to be sent by the radio network controller (102) over the transport link (106) to the radio base station (104).
    • 这里描述了一种无线电基站(RBS),其检测高速下行链路共享信道(HS-DSCH)数据帧(110)何时在无线电网络控制器( RNC)通过传输链路(Iub)发往RBS(104)。 为了实现这一点,RBS(104)在接收到HS-DSCH数据帧(110)时检查位于接收的HS-DSCH数据帧(110)内的帧序列号(302)以确定帧序列号(302) 与位于先前接收到的HS-DSCH数据帧(110)内的帧序列号(302)顺序相关。 如果两个帧序列号(302)不是顺序的,则之前向无线电基站(104)发送的一个或多个HS-DSCH数据帧(110)已经丢失。 如果无线电基站(104)检测到许多丢失的HS-DSCH数据帧(110a),则它可以通过降低某个HS用户流的比特率或者通过降低所有HS的最大比特率来纠正该问题 将由无线电网络控制器(102)通过传输链路(106)发送到无线电基站(104)的业务。