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    • 13. 发明申请
    • SYSTEMS AND METHODS FOR DATA REPRESENTATION AND TRANSPORTATION
    • 用于数据表示和运输的系统和方法
    • WO2014063457A1
    • 2014-05-01
    • PCT/CN2013/072265
    • 2013-03-07
    • HUAWEI TECHNOLOGIES CO., LTD.
    • DAO, Ngoc-DungCALLARD, AaronZHANG, HangCHENG, Ho-Ting
    • H04L1/00H04N7/26H04W28/00
    • H04N21/6125H04L65/607H04L69/04H04N21/6437H04N21/6583H04N21/8456
    • Systems and methods are provided to improve data transmission efficiency over a network. The improvements are achieved by reducing the redundancy in the data representation. The data is divided into a plurality of data portions. The data portions are used to encode a plurality of compressed data portions, wherein the compressed data portions correspond to a subset of the data portions and comprise less redundant data than the subset of the data portions. The compressed data portions are also encoded in accordance with data in the remaining data portions. The compressed data portions are transmitted instead of the subset of the data portions with the remaining data portions according to a sequence of data portions. Each of the compressed data portions is transmitted upon receiving an acknowledgment (ACK) message that indicates successful transmission of a previous data portion or compressed data portion in the sequence of data portions.
    • 提供系统和方法以提高网络上的数据传输效率。 通过减少数据表示中的冗余来实现改进。 数据被分成多个数据部分。 数据部分用于对多个压缩数据部分进行编码,其中压缩数据部分对应于数据部分的子集,并且包括比数据部分的子集少的冗余数据。 压缩数据部分也根据剩余数据部分中的数据进行编码。 根据数据部分的序列,传送压缩数据部分而不是剩余数据部分的数据部分的子集。 每个压缩数据部分在接收到指示数据部分序列中先前数据部分或压缩数据部分的成功发送的确认(ACK)消息时被发送。
    • 17. 发明申请
    • JOINT RADIO LINK CONTROL (RLC) SIGNALING WITH NETWORK CODING
    • 联网无线链路控制(RLC)信令与网络编码
    • WO2016206579A1
    • 2016-12-29
    • PCT/CN2016/086581
    • 2016-06-21
    • HUAWEI TECHNOLOGIES CO., LTD.
    • CALLARD, AaronLEROUX, PhilippeSTEPHENNE, Alex
    • H04W28/12H04L1/18
    • H04L47/32H04B7/022H04L1/12H04W28/0205H04W72/1242
    • Dynamic point selection (DPS) can be implemented using access points having partial or no DPS synchronization. Specifically, a mobile device may broadcast a bounce back message to access points participating in DPS transmissions to signal that a data segment has been successfully received and/or decoded by the mobile device. The bounce back message may cause the access points to drop remaining packets corresponding to the data segment from their buffers without sending those remaining packets over their respective radio interfaces. The bounce back message may be broadcast over any wireless signaling channel, such as via radio link control (RLC) signaling. Moreover, different priorities may be assigned to encoded packets intended for DPS transmission based on whether the encoded packets are communicated over a primary or secondary backhaul path.
    • 可以使用具有部分或不具有DPS同步的接入点来实现动态点选择(DPS)。 具体地,移动设备可以向参与DPS传输的接入点广播反弹消息,以表示数据段已被移动设备成功接收和/或解码。 反弹消息可能导致接入点从其缓冲区中丢弃与数据段相对应的剩余数据包,而不会在其各自的无线电接口上发送剩余数据包。 反弹消息可以通过任何无线信令信道广播,诸如经由无线电链路控制(RLC)信令。 此外,基于是否通过主或辅助回程路径传送编码的分组,可以将不同的优先级分配给用于DPS传输的编码分组。
    • 18. 发明申请
    • SYSTEM AND METHOD OF HEADER COMPRESSION FOR ONLINE NETWORK CODES
    • 在线网络编码的主机压缩系统和方法
    • WO2016188406A1
    • 2016-12-01
    • PCT/CN2016/083149
    • 2016-05-24
    • HUAWEI TECHNOLOGIES CO., LTD.
    • CALLARD, Aaron
    • H04W28/06H04W4/18
    • H04L69/04
    • Embodiments are provided for header compression with online network codes. A header formulation is used in accordance with the network codes to reduce the header overhead. An agent node between a source of packets and a user equipment (UE) adds to a header in the packets block labels corresponding to blocks of data in the packets. The agent node further adds, to a payload portion of the packets, start and end times for transmitting the blocks. The blocks of data are encoded using an online network coding scheme and the packets are sent to an access node serving the UE. The access node receives the packets, compresses the header by compressing bits of the block labels based on a pre-defined finite number of paths between the agent node and a plurality of access nodes components serving the UE, and sends the compressed header in the packets to the UE.
    • 提供了具有在线网络代码的报头压缩的实施例。 根据网络代码使用报头公式来减少报头开销。 分组源和用户设备(UE)之间的代理节点将分组中与数据块相对应的分组块标签中的报头相加。 代理节点还向分组的有效载荷部分添加用于发送块的开始和结束时间。 使用在线网络编码方案对数据块进行编码,并将分组发送到为UE服务的接入节点。 接入节点接收分组,基于代理节点与服务于UE的多个接入节点组件之间的路径的预定义有限数量,通过压缩块标签的比特来压缩报头,并将压缩报头发送到分组 到UE。