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    • 48. 发明申请
    • JOINT RANGE REJECT AUTOMATIC REPEAT REQUEST PROTOCOL
    • 联合范围拒绝自动重复请求协议
    • WO01078036A1
    • 2001-10-18
    • PCT/US2001/010214
    • 2001-03-30
    • H04L1/16H04L1/18G08C25/02
    • H04L1/1838H04L1/1657H04L1/1803H04L1/1806H04L1/1809H04L1/1877
    • ARQ protocol useful for transferring delay-sensitive data blocks between sending and receiving devices (102, 104) over an error-prone communication link (116). The ARQ protocol allows either the sender or receiver to initiate termination of the transfer from sender to receiver of one or more blocks. Blocks eligible for negative acknowledgement by a receiving device are determined by a reception determination procedure performed by the sending device. Negative acknowledgement of eligible blocks is based on a number of consecutive blocks reported as corrupt, which number may include an allowable number of non-corrupt blocks. The allowable number of non-corrupt blocks is based on a Minimum Corruption Density (MCD) parameter that may be adjusted by a receiving device depending on available bandwidth for retransmission of blocks or other criteria.
    • ARQ协议可用于通过易出错的通信链路(116)在发送和接收设备(102,104)之间传送延迟敏感数据块。 ARQ协议允许发送方或接收方发起从一个或多个块的发送方到接收方的转移终止。 由接收设备进行否定确认的块由发送设备执行的接收确定过程确定。 合格块的否定确认是基于报告为已损坏的连续块的数量,该数字可能包括允许的非损坏块数。 非破坏块的允许数量基于最小损害密度(MCD)参数,该参数可以由接收设备根据块的重传的可用带宽或其他准则来调整。
    • 49. 发明申请
    • DATA PACKET NUMBERING IN PACKET-SWITCHED DATA TRANSMISSION
    • 分组数据传输中的数据分组编号
    • WO01060017A1
    • 2001-08-16
    • PCT/FI2001/000130
    • 2001-02-13
    • H04B7/26H04L1/16H04L1/18H04L12/28H04L12/56H04L29/06H04L29/08H04M3/00H04Q7/22
    • H04L1/1877H04L1/1657H04L1/1832H04L1/187H04L69/163H04L69/165H04L69/32H04L69/324
    • A method of numbering data packets in a packet-switched telecommunication system, the system being provided with a telecommunication protocol comprising a convergence protocol layer for adapting user data packets to convergence protocol packets and a link layer for transmitting the convergence protocol packets as data units and for acknowledging the transmission. A counter defines data packet numbers for the convergence protocol packets and the convergence protocol packets are transferred to the link layer to be transmitted without a data packet number. A data packet number is also defined for the received convergence protocol packets by means of the counter, which packets are acknowledged to the transmitter. If the link layer cannot secure a reliable transmission of the convergence protocol packets, the identification of the lost convergence protocol packets are transmitted to the recipient, which updates the counter value of the recipient to correspond to the counter value of the transmitter.
    • 一种在分组交换电信系统中对数据分组进行编号的方法,该系统具有电信协议,该电信协议包括用于将用户数据分组适配到汇聚协议分组的汇聚协议层,以及用于发送汇聚协议分组作为数据单元的链路层,以及 用于确认传输。 计数器定义汇聚协议报文的数据报文号,汇聚协议报文传送到链路层,无需数据报文号。 还通过计数器为接收的汇聚协议分组定义数据分组号,哪个分组被确认给发射机。 如果链路层不能确保汇聚协议分组的可靠传输,则丢失的收敛协议分组的识别被发送到接收者,接收者更新接收者的计数器值以对应于发射机的计数器值。