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    • 1. 发明申请
    • METHOD, DEVICE, AND SYSTEM FOR IMPLEMENTING RETRANSMISSION IN PHYSICAL LAYER
    • 用于实现物理层中重建的方法,装置和系统
    • US20110154147A1
    • 2011-06-23
    • US13037654
    • 2011-03-01
    • Anni WU
    • Anni WU
    • G06F11/07
    • H04L1/1887H04L1/1874H04L1/188
    • A method for implementing retransmission in a physical layer is provided, which include: when a data block in a retransmission queue meets a predefined condition, querying state information of the data block, in which the state information of the data block refers to the information obtained by analyzing return information of the data block transmitted by a receiver; and, if the state information of the data block indicates that the state of the data block is uncertain, retransmitting the data block according to the predefined rule. A device for implementing retransmission in a physical layer and a digital subscriber line (DSL) communication system are further provided. According to the technical solutions, an autonomous retransmission operation is triggered according to the predefined condition, thus preventing the situation that the receiver cannot process the corresponding data in time due to data loss, and reducing a bit error rate (BER) of the system.
    • 提供一种在物理层中实现重发的方法,包括:当重发队列中的数据块满足预定条件时,查询数据块的状态信息,其中数据块的状态信息参考所获得的信息 通过分析由接收器发送的数据块的返回信息; 并且如果数据块的状态信息指示数据块的状态不确定,则根据预定规则重新发送数据块。 还提供了用于在物理层和数字用户线(DSL)通信系统中实现重传的设备。 根据技术方案,根据预定条件触发自主重传操作,从而防止接收机由于数据丢失而无法及时处理相应数据的情况,并降低系统的误码率(BER)。
    • 2. 发明授权
    • Method, apparatus and system for transmitting data on digital subscriber line
    • 用于在数字用户线上传输数据的方法,装置和系统
    • US09021326B2
    • 2015-04-28
    • US13270026
    • 2011-10-10
    • Anni Wu
    • Anni Wu
    • H04L1/18G08C25/02H04L1/00
    • H04L1/1887H04L2001/0098
    • A method includes the following steps: sorting service data into retransmissive service data and non-retransmissive service data; allocating resources to the retransmissive service data and the non-retransmissive service data respectively, and encapsulating the data into DTUs according to the allocated resources; sending, by a sender, the DTU that bears the service data; receiving, by the sender, a retransmission request that is sent according to a result of judging a bit error and a type of the retransmissive service, where the retransmission request carries information about the DTU that needs to be retransmitted; and retransmitting, by the sender, a corresponding DTU that bears the retransmissive service data requested for retransmission.
    • 一种方法包括以下步骤:将业务数据分类为再发送业务数据和非重传业务数据; 分配资源给再发送业务数据和非再发送业务数据,并根据分配的资源将数据封装到DTU中; 由发送方发送承载服务数据的DTU; 由所述发送方接收根据判断比特错误的结果发送的重传请求和所述重传请求的类型,其中所述重发请求携带关于需要重传的所述DTU的信息; 并且由发送方重发一个相应的DTU,该DTU具有请求重发的再发送业务数据。
    • 4. 发明申请
    • METHOD, APPARATUS AND SYSTEM FOR TRANSMITTING DATA ON DIGITAL SUBSCRIBER LINE
    • 数字用户线上发送数据的方法,装置和系统
    • US20120089881A1
    • 2012-04-12
    • US13270026
    • 2011-10-10
    • Anni Wu
    • Anni Wu
    • H04L1/18G06F11/07
    • H04L1/1887H04L2001/0098
    • A method includes the following steps: sorting service data into retransmissive service data and non-retransmissive service data; allocating resources to the retransmissive service data and the non-retransmissive service data respectively, and encapsulating the data into DTUs according to the allocated resources; sending, by a sender, the DTU that bears the service data; receiving, by the sender, a retransmission request that is sent according to a result of judging a bit error and a type of the retransmissive service, where the retransmission request carries information about the DTU that needs to be retransmitted; and retransmitting, by the sender, a corresponding DTU that bears the retransmissive service data requested for retransmission.
    • 一种方法包括以下步骤:将业务数据分类为再发送业务数据和非重传业务数据; 分配资源给再发送业务数据和非再发送业务数据,并根据分配的资源将数据封装到DTU中; 由发送方发送承载服务数据的DTU; 由所述发送方接收根据判断比特错误的结果发送的重传请求和所述重传请求的类型,其中所述重发请求携带关于需要重传的所述DTU的信息; 并且由发送方重发一个相应的DTU,该DTU具有请求重发的再发送业务数据。