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    • 33. 发明授权
    • Automatic repeat request (ARQ) protocol having multiple complementary feedback mechanisms
    • 具有多个互补反馈机制的自动重复请求(ARQ)协议
    • US07673211B2
    • 2010-03-02
    • US11383830
    • 2006-05-17
    • Michael MeyerHenning WiemannJohan TorsnerMats SagforsJung-Fu Cheng
    • Michael MeyerHenning WiemannJohan TorsnerMats SagforsJung-Fu Cheng
    • G08C25/02H04L1/18
    • H04L1/1848H04L1/1607H04L1/1678H04L1/1812H04L1/1829H04L1/1874H04L2001/0096H04L2001/125
    • Methods for efficiently controlling the retransmission of data units in a wireless telecommunication system, wherein multiple complementary feedback mechanisms are used to control retransmission. A receiver attempts to decode each received data unit. If a data unit is successfully decoded, the receiver transmits positive feedback to the transmitter; if a data unit is not successfully decoded, the receiver transmits negative feedback to the transmitter. In all cases, the transmitter employs at least first and second feedback mechanisms for transmitting the positive and negative feedback. In an exemplary embodiment, acknowledgement (ACK) and non-acknowledgement (NACK) messages are sent in response to the receipt of each data unit on a first unreliable channel and Status Messages identifying sequence numbers of particular data units are periodically transmitted on a second reliable channel; the receiver preferably removes data units from its transmit window only upon receipt of a Status Message indicating successful decode.
    • 用于有效地控制无线电信系统中的数据单元重传的方法,其中使用多个互补反馈机制来控制重传。 接收机尝试对每个接收到的数据单元进行解码。 如果数据单元成功解码,则接收机向发射机发送正反馈; 如果数据单元未成功解码,则接收机向发射机发送负反馈。 在所有情况下,发射机至少采用第一和第二反馈机制来发送正反馈。 在示例性实施例中,响应于在第一不可靠信道上接收每个数据单元而发送确认(ACK)和非确认(NACK)消息,并且识别特定数据单元的序列号的状态消息在第二可靠 渠道; 只有在接收到指示成功解码的状态消息时,接收器才优选地从其发送窗口去除数据单元。
    • 34. 发明申请
    • Automatic Repeat Request (ARQ) Protocol Having Multiple Complementary Feedback Mechanisms
    • 具有多个互补反馈机制的自动重传请求(ARQ)协议
    • US20060282739A1
    • 2006-12-14
    • US11383830
    • 2006-05-17
    • Michael MeyerHenning WiemannJohan TorsnerMats SagforsJung-Fu Cheng
    • Michael MeyerHenning WiemannJohan TorsnerMats SagforsJung-Fu Cheng
    • H04L1/18G08C25/02
    • H04L1/1848H04L1/1607H04L1/1678H04L1/1812H04L1/1829H04L1/1874H04L2001/0096H04L2001/125
    • Methods for efficiently controlling the retransmission of data units in a wireless telecommunication system, wherein multiple complementary feedback mechanisms are used to control retransmission. A receiver attempts to decode each received data unit. If a data unit is successfully decoded, the receiver transmits positive feedback to the transmitter; if a data unit is not successfully decoded, the receiver transmits negative feedback to the transmitter. In all cases, the transmitter employs at least first and second feedback mechanisms for transmitting the positive and negative feedback. In an exemplary embodiment, acknowledgement (ACK) and non-acknowledgement (NACK) messages are sent in response to the receipt of each data unit on a first unreliable channel and Status Messages identifying sequence numbers of particular data units are periodically transmitted on a second reliable channel; the receiver preferably removes data units from its transmit window only upon receipt of a Status Message indicating successful decode.
    • 用于有效地控制无线电信系统中的数据单元重传的方法,其中使用多个互补反馈机制来控制重传。 接收机尝试对每个接收到的数据单元进行解码。 如果数据单元成功解码,则接收机向发射机发送正反馈; 如果数据单元未成功解码,则接收机向发射机发送负反馈。 在所有情况下,发射机至少采用第一和第二反馈机制来发送正反馈。 在示例性实施例中,响应于在第一不可靠信道上接收每个数据单元而发送确认(ACK)和非确认(NACK)消息,并且识别特定数据单元的序列号的状态消息在第二可靠 渠道; 只有在接收到指示成功解码的状态消息时,接收器才优选地从其发送窗口去除数据单元。
    • 37. 发明授权
    • Data unit sender and data unit relay device
    • 数据单元发送器和数据单元中继设备
    • US08553698B2
    • 2013-10-08
    • US12911025
    • 2010-10-25
    • Henning WiemannReiner LudwigMichael Meyer
    • Henning WiemannReiner LudwigMichael Meyer
    • H04L12/28
    • H04L1/1809H04L1/0002H04L1/0015H04L1/16H04L1/1825H04L1/1874H04L1/1883H04L2001/0097
    • New methods and devices for implementing an ARQ mechanism over a multi-hop connection (sender-relay-receiver) are proposed. A communication protocol is described in accordance with which data units are arranged in a sequence and each sent data unit is identifiable by a sequence position identifier. The sender implements a sending peer, the relay a relay peer and the receiver a receiving peer. Feedback messages are exchanged, which using said sequence position identifiers, carry information on a receipt of sent data units. The communication protocol provides for at least a first type and a second type of receipt information, the first type (RACK) of receipt information being indicative of a correct receipt of a data unit at a relay peer of said communication protocol, and the second type (ACK) of receipt information being indicative of a correct receipt of a data unit at a final destination peer of said communication protocol.
    • 提出了通过多跳连接(发送方 - 中继 - 接收机)实现ARQ机制的新方法和设备。 根据哪个数据单元按顺序排列的通信协议被描述,并且每个发送的数据单元可以通过序列位置标识符来识别。 发送方实现发送对等体,中继中继对等体和接收方接收对等体。 交换反馈消息,其使用所述序列位置标识符携带发送数据单元的接收信息。 通信协议提供至少第一类型和第二类型的接收信息,接收信息的第一类型(RACK)指示在所述通信协议的中继对等体处的数据单元的正确接收,第二类型 (ACK)指示在所述通信协议的最终目的地对等体处的数据单元的正确接收。