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    • 2. 发明授权
    • Method for PDU reordering in wireless communication system
    • 无线通信系统中PDU重排序方法
    • US08611374B2
    • 2013-12-17
    • US13120277
    • 2009-03-20
    • Nak Woon SungKyung Soo Kim
    • Nak Woon SungKyung Soo Kim
    • H04J3/24
    • H04L47/32H04L1/1841H04L47/29H04L49/90H04L49/9094
    • The present invention relates to a protocol data unit (PDU) reordering method in a wireless communication system. The terminal maintains the number of bytes of PDUs stored in the buffer for reordering PDUs received in a sequence that is changed due to HARQ error correction to thereby prevent overflow of the reordering buffer. When the HARQ function unit transmits a PDU received at the radio access control RAS (S101), the PDU reordering unit of the access terminal sets a current frame number as an arrival frame number of the received PDU (S102). When a current frame number is stored as an arrival frame number of a received frame, the PDU reordering unit compares a sequence number (SN) of a received PDU with a sequence number of a PDU that is about to be reordered (S 103). If the PDU has already been reordered, the received PDU is discarded (S 104). Else, the PDU reordering unit calculates an average size of a buffer that is required for storing the received PDU by using a moving average calculation equation (S 105).
    • 本发明涉及无线通信系统中的协议数据单元(PDU)重排序方法。 终端维护存储在缓冲器中的PDU的字节数,用于重新排序由于HARQ纠错而改变的序列中接收的PDU,从而防止重新排序缓冲器的溢出。 当HARQ功能单元发送在无线接入控制RAS中接收到的PDU(S101)时,接入终端的PDU重新排序单元设定当前帧号作为接收到的PDU的到达帧号(S102)。 当存储当前帧号作为接收帧的到达帧号时,PDU重新排序单元将接收的PDU的序列号(SN)与要重新排序的PDU的序列号进行比较(S103)。 如果PDU已被重新排序,则接收到的PDU被丢弃(S104)。 否则,PDU重新排序单元通过使用移动平均计算方程来计算存储接收的PDU所需的缓冲器的平均大小(S105)。
    • 4. 发明申请
    • METHOD FOR PDU REORDERING IN WIRELESS COMMUNICATION SYSTEM
    • 无线通信系统中PDU重新配置的方法
    • US20110176492A1
    • 2011-07-21
    • US13120277
    • 2009-03-20
    • Nak Woon SungKyung Soo Kim
    • Nak Woon SungKyung Soo Kim
    • H04W80/02
    • H04L47/32H04L1/1841H04L47/29H04L49/90H04L49/9094
    • The present invention relates to a protocol data unit (PDU) reordering method in a wireless communication system. The terminal maintains the number of bytes of PDUs stored in the buffer for reordering PDUs received in a sequence that is changed due to HARQ error correction to thereby prevent overflow of the reordering buffer. When the HARQ function unit transmits a PDU received at the radio access control RAS (S101), the PDU reordering unit of the access terminal sets a current frame number as an arrival frame number of the received PDU (S102). When a current frame number is stored as an arrival frame number of a received frame, the PDU reordering unit compares a sequence number (SN) of a received PDU with a sequence number of a PDU that is about to be reordered (S 103). If the PDU has already been reordered, the received PDU is discarded (S 104). Else, the PDU reordering unit calculates an average size of a buffer that is required for storing the received PDU by using a moving average calculation equation (S 105).
    • 本发明涉及无线通信系统中的协议数据单元(PDU)重排序方法。 终端维护存储在缓冲器中的PDU的字节数,用于重新排序由于HARQ纠错而改变的序列中接收的PDU,从而防止重新排序缓冲器的溢出。 当HARQ功能单元发送在无线接入控制RAS中接收到的PDU(S101)时,接入终端的PDU重新排序单元设定当前帧号作为接收到的PDU的到达帧号(S102)。 当存储当前帧号作为接收帧的到达帧号时,PDU重新排序单元将接收的PDU的序列号(SN)与要重新排序的PDU的序列号进行比较(S103)。 如果PDU已被重新排序,则接收到的PDU被丢弃(S104)。 否则,PDU重新排序单元通过使用移动平均计算方程来计算存储接收的PDU所需的缓冲器的平均大小(S105)。