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    • 5. 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。
    • 6. 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。
    • 10. 发明申请
    • Link Layer Control Protocol Implementation
    • 链路层控制协议实现
    • US20100216471A1
    • 2010-08-26
    • US12516699
    • 2007-12-19
    • Michael MeyerJanne PeisaMats SagforsJohan TorsnerAndras Racz
    • Michael MeyerJanne PeisaMats SagforsJohan TorsnerAndras Racz
    • H04W36/00
    • H04W36/26H04W36/02
    • A radio base station suitable for performing a handover operation for a LTE-variant of a radio access network comprises a transceiver and a status report requester. The transceiver is configured to facilitate wireless transmission between the radio base station and a wireless terminal over an air interface, including transmission of a radio link bearer for the connection over a downlink from the radio base station to the wireless terminal. The status report requester is configured to determine, according to one or more pre-defined criteria, whether to request from the wireless terminal a status report for a radio bearer prior to the radio base station transferring user data for the connection to another radio base station in conjunction with a handover.
    • 适合于对无线电接入网络的LTE变型进行切换操作的无线电基站包括收发机和状态报告请求者。 收发器被配置为促进无线基站和无线终端之间通过空中接口的无线传输,包括通过无线电基站到无线终端的下行链路的连接的无线电链路承载的传输。 状态报告请求者被配置为根据一个或多个预定义的准则来确定在无线电基站传送用于连接到另一个无线电基站的用户数据之前是否从无线终端请求无线承载的状态报告 结合切换。