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    Retransmission packet structure having multiple sequence numbers
    2.
    发明授权
    Retransmission packet structure having multiple sequence numbers 有权
    具有多个序列号的重传分组结构

    公开(公告)号：US07124333B2

    公开(公告)日：2006-10-17

    申请号：US10945881

    申请日：2004-09-22

    申请人： Hideaki Fukushima ,  Seiji Horii ,  Tatsuya Ohnishi ,  Makoto Hagai ,  Yoshinori Matsui ,  Akihiro Miyazaki

    发明人： Hideaki Fukushima ,  Seiji Horii ,  Tatsuya Ohnishi ,  Makoto Hagai ,  Yoshinori Matsui ,  Akihiro Miyazaki

    IPC分类号： G06F11/00 ,  G08C25/02 ,  H04L12/62

    CPC分类号： H04L1/1809 ,  H04L1/008 ,  H04L1/1642 ,  H04L1/1838 ,  H04L1/1854 ,  H04L1/1877 ,  H04L1/1887

    摘要： A data transmission apparatus for relaying data transmitted from the transmitting end in units of packets, each packet having additional information relating to its sequence number, priority and data reproduction time, comprises: a receiving unit for receiving packets transmitted from the transmitting end; a priority decision unit for deciding the priority of each of the received packets; a retransmission packet storage unit for storing packets the priorities of which are equal to or higher than a predetermined value, as retransmission packets, on the basis of the priority of each packet decided by the priority decision unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit for deciding whether retransmission of the packet for which the retransmission request has been made should be performed or not, on the basis of the retransmission request and the storage status of the retransmission packets in the retransmission packet storage unit a transmission queue management unit for setting the transmission order of the received packets and the packets which have been decided as packets to be retransmitted, on the basis of additional information which is given to each packet; and a transmission unit for transmitting the data of these packets in the transmission order set by the management unit. Therefore, the transmission quality in a radio section in real-time transmission is improved and, further, the number of retransmission times is reduced.

    摘要翻译： 一种数据传输装置，用于以分组为单位中继从发送端发送的数据，每个分组具有与其序列号，优先级和数据再现时间有关的附加信息，包括：接收单元，用于接收从发送端发送的分组; 优先级决定单元，用于决定每个接收到的分组的优先级; 重发分组存储单元，其基于优先级决定单元决定的每个分组的优先级，将其优先级等于或高于预定值的分组作为重发分组; 重发指令接收单元，用于从接收端的终端接收重传请求; 基于所述重发请求和所述重发分组存储部中的所述重发分组的存储状态，判断是否应该进行已经进行了所述重发请求的分组的重传的重发决定部是发送队列管理 单元，用于基于给予每个分组的附加信息来设置接收到的分组的传输顺序和已被确定为要重传的分组的分组; 以及发送单元，用于以由管理单元设置的发送顺序发送这些分组的数据。 因此，提高了实时发送中的无线部分的传输质量，并且进一步减少了重发次数。

    Data transmission method and data transmission apparatus
    7.
    发明申请
    Data transmission method and data transmission apparatus 有权
    数据传输方法和数据传输装置

    公开(公告)号：US20050053093A1

    公开(公告)日：2005-03-10

    申请号：US10945881

    申请日：2004-09-22

    申请人： Hideaki Fukushima ,  Seiji Horii ,  Tatsuya Ohnishi ,  Makoto Hagai ,  Yoshinori Matsui ,  Akihiro Miyazaki

    发明人： Hideaki Fukushima ,  Seiji Horii ,  Tatsuya Ohnishi ,  Makoto Hagai ,  Yoshinori Matsui ,  Akihiro Miyazaki

    IPC分类号： H04L1/16 ,  H04L1/18 ,  H04N19/89 ,  H04L12/66

    CPC分类号： H04L1/1809 ,  H04L1/008 ,  H04L1/1642 ,  H04L1/1838 ,  H04L1/1854 ,  H04L1/1877 ,  H04L1/1887

    摘要： A data transmission apparatus for relaying data transmitted from the transmitting end in units of packets, each packet having additional information relating to its sequence number, priority and data reproduction time, comprises: a receiving unit for receiving packets transmitted from the transmitting end; a priority decision unit for deciding the priority of each of the received packets; a retransmission packet storage unit for storing packets the priorities of which are equal to or higher than a predetermined value, as retransmission packets, on the basis of the priority of each packet decided by the priority decision unit; a retransmission instruction receiving unit for receiving a retransmission request from a terminal at the receiving end; a retransmission decision unit for deciding whether retransmission of the packet for which the retransmission request has been made should be performed or not, on the basis of the retransmission request and the storage status of the retransmission packets in the retransmission packet storage unit a transmission queue management unit for setting the transmission order of the received packets and the packets which have been decided as packets to be retransmitted, on the basis of additional information which is given to each packet; and a transmission unit for transmitting the data of these packets in the transmission order set by the management unit. Therefore, the transmission quality in a radio section in real-time transmission is improved and, further, the number of retransmission times is reduced.

    摘要翻译： 一种数据传输装置，用于以分组为单位中继从发送端发送的数据，每个分组具有与其序列号，优先级和数据再现时间有关的附加信息，包括：接收单元，用于接收从发送端发送的分组; 优先级决定单元，用于决定每个接收到的分组的优先级; 重发分组存储单元，其基于优先级决定单元决定的每个分组的优先级，将其优先级等于或高于预定值的分组作为重发分组; 重发指令接收单元，用于从接收端的终端接收重传请求; 基于所述重发请求和所述重发分组存储部中的所述重发分组的存储状态，判断是否应该进行已经进行了所述重发请求的分组的重传的重发决定部是发送队列管理 单元，用于基于给予每个分组的附加信息来设置接收到的分组的传输顺序和已被确定为要重传的分组的分组; 以及发送单元，用于以由管理单元设置的发送顺序发送这些分组的数据。 因此，提高了实时发送中的无线部分的传输质量，并且进一步减少了重发次数。