公开(公告)号：US08788902B2

公开(公告)日：2014-07-22

申请号：US13381907

申请日：2010-05-27

申请人： Guangliang Chen ,  Dengjin Tong ,  Jianqiang Zhang

发明人： Guangliang Chen ,  Dengjin Tong ,  Jianqiang Zhang

IPC分类号： H03M13/00 ,  H04L1/00 ,  H03M13/35

CPC分类号： H03M13/353 ,  H04L1/0009 ,  H04L1/007

摘要： The present disclosure discloses a method and a device for bandwidth self-adapting data ranking protection. The method comprises: performing redundancy protection computation on a data block to be transmitted so as to generate a redundant code of the data block, and setting a priority for the redundant code; determining whether bandwidth occupied by a redundant code with a highest priority is greater than current residual bandwidth; if the bandwidth occupied by the redundant code with the highest priority is not greater than the current residual bandwidth, carrying the redundant code with the highest priority in the current residual bandwidth; otherwise, according to a descending order of the priority, searching in residual redundant codes for a redundant code whose data amount is less than or equal to the current residual bandwidth, and carrying a found redundant code in the current residual bandwidth. The present disclosure improves the error tolerance of a system.

摘要翻译： 本公开公开了一种用于带宽自适应数据排序保护的方法和装置。 该方法包括：对要发送的数据块执行冗余保护计算，以产生数据块的冗余码，并设置冗余码的优先级; 确定具有最高优先级的冗余代码占用的带宽是否大于当前剩余带宽; 如果具有最高优先级的冗余码所占用的带宽不大于当前剩余带宽，则携带当前剩余带宽中具有最高优先级的冗余码; 否则，根据优先级的降序，在剩余冗余码中搜索其数据量小于或等于当前剩余带宽的冗余码，并在当前剩余带宽中携带找到的冗余码。 本发明改进了系统的容错性。

公开(公告)号：US20120272116A1

公开(公告)日：2012-10-25

申请号：US13381907

申请日：2010-05-27

申请人： Guangliang Chen ,  Dengjin Tong ,  Jianqiang Zhang

发明人： Guangliang Chen ,  Dengjin Tong ,  Jianqiang Zhang

IPC分类号： H03M13/05 ,  G06F11/10

CPC分类号： H03M13/353 ,  H04L1/0009 ,  H04L1/007

摘要： The present disclosure discloses a method and a device for bandwidth self-adapting data ranking protection. The method comprises: performing redundancy protection computation on a data block to be transmitted so as to generate a redundant code of the data block, and setting a priority for the redundant code; determining whether bandwidth occupied by a redundant code with a highest priority is greater than current residual bandwidth; if the bandwidth occupied by the redundant code with the highest priority is not greater than the current residual bandwidth, carrying the redundant code with the highest priority in the current residual bandwidth; otherwise, according to a descending order of the priority, searching in residual redundant codes for a redundant code whose data amount is less than or equal to the current residual bandwidth, and carrying a found redundant code in the current residual bandwidth. The present disclosure improves the error tolerance of a system.

摘要翻译： 本公开公开了一种用于带宽自适应数据排序保护的方法和装置。 该方法包括：对要发送的数据块执行冗余保护计算，以产生数据块的冗余码，并设置冗余码的优先级; 确定具有最高优先级的冗余代码占用的带宽是否大于当前剩余带宽; 如果具有最高优先级的冗余码所占用的带宽不大于当前剩余带宽，则携带当前剩余带宽中具有最高优先级的冗余码; 否则，根据优先级的降序，在剩余冗余码中搜索其数据量小于或等于当前剩余带宽的冗余码，并在当前剩余带宽中携带找到的冗余码。 本发明改进了系统的容错性。

公开(公告)号：US20120198501A1

公开(公告)日：2012-08-02

申请号：US13381908

申请日：2010-05-19

申请人： Yaping Ruan ,  Jianqiang Zhang ,  Dengjin Tong

发明人： Yaping Ruan ,  Jianqiang Zhang ,  Dengjin Tong

IPC分类号： H04N7/16

CPC分类号： H04H20/42 ,  H04H20/30 ,  H04H20/57

摘要： The disclosure discloses a method for hierarchical transmission in a mobile multimedia broadcasting system, including: dividing a video stream in a video service into a basic layer code stream and at least one enhanced layer code stream; encapsulating them in different multiplexing subframes of a broadcasting channel frame according to respective layers to which they belong; and sending the location information of the multiplexing subframes to a receiving terminal. The disclosure further discloses a method for hierarchical reception in a mobile multimedia broadcasting system, including: monitoring, by the receiving terminal, the location information of the multiplexing subframes of a broadcasting channel frame, code streams of a plurality of layers of a video stream of a video service being encapsulated in said multiplexing subframes, receiving only the basic layer code stream or both the basic layer code stream and the corresponding enhanced layer code stream, decoding only the basic layer code stream or both the basic layer code stream and the corresponding enhanced layer code stream, and outputting the video data of the basic layer code stream or that generated by combining the basic layer code stream with the corresponding enhanced layer code stream. The disclosure further discloses a device implementing the methods above. The disclosure is simple to implement and is practical.

摘要翻译： 本公开公开了一种在移动多媒体广播系统中进行分层传输的方法，包括：将视频业务中的视频流划分为基本层码流和至少一个增强层码流; 根据它们所属的各个层将它们封装在广播信道帧的不同复用子帧中; 并将多路复用子帧的位置信息发送到接收终端。 本发明还公开了一种在移动多媒体广播系统中进行分层接收的方法，包括：由接收终端监视广播频道帧的多路复用子帧的位置信息，多个视频流层的码流 被封装在所述多路复用子帧中的视频服务，仅接收基本层码流或基本层码流和相应的增强层码流两者，仅解码基本层码流或基本层码流和相应增强层码流 并且输出基本层码流的视频数据，或者通过组合基本层码流与相应的增强层码流产生的视频数据。 本公开进一步公开了实现上述方法的装置。 该披露操作简单实用。

公开(公告)号：US20120099659A1

公开(公告)日：2012-04-26

申请号：US13379445

申请日：2010-05-18

申请人： Ya Lin ,  Jianqiang Zhang ,  Yaping Ruan ,  Dengjin Tong

发明人： Ya Lin ,  Jianqiang Zhang ,  Yaping Ruan ,  Dengjin Tong

IPC分类号： H04N7/26 ,  H04N7/24

CPC分类号： H04H20/42 ,  H04H20/30 ,  H04W4/06

摘要： The present invention discloses a method for improving utilization of broadcast channel frames comprising determining whether auxiliary data exists in multiplexing data of a multiplexing frame upon generation of the multiplexing frame and encapsulating the auxiliary data in a filled portion of the multiplexing frame if yes. The present invention also discloses a method for using a filled portion of a multiplexing frame comprising a receiving terminal decoding multiplexing data in the monitored multiplexing frame, monitoring redundant data in the filled portion of the multiplexing frame when determining that an error code occurs in the decoded multiplexing data, and recovering data with the error code in the multiplexing frame using the redundant data. The present invention also discloses an apparatuses for implementing the above methods. The present invention improves channel utilization.

摘要翻译： 本发明公开了一种改善广播频道帧的利用率的方法，包括：如果是，则确定在生成多路复用帧时多路复用帧的复用数据是否存在，并将辅助数据封装在复用帧的填充部分中。 本发明还公开了一种使用多路复用帧的填充部分的方法，该多路复用帧包括接收端解码多路复用帧中的数据，当确定在解码的帧中发生错误码时，监视多路复用帧的填充部分中的冗余数据 多路复用数据，以及使用冗余数据用多路复用帧中的错误代码恢复数据。 本发明还公开了一种用于实现上述方法的装置。 本发明提高信道利用率。