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1. 发明授权

US06512747B1 ATM transmission system 失效
标题翻译： ATM传输系统
公开(公告)号：US06512747B1
公开(公告)日：2003-01-28
申请号：US09262111
申请日：1999-03-04
申请人： Makoto Umeuchi , Masamitsu Nakura , Masahiro Umehira
发明人： Makoto Umeuchi , Masamitsu Nakura , Masahiro Umehira
IPC分类号： H04B700
CPC分类号： H04Q11/0478 , H04L2012/5648
摘要： In an ATM transmission system in which a plurality of ATM cells are grouped to a packet with an end of ATM cell having an EOP (End Of Packet) flag, a transmitting station comprises a transmit buffer for storing temporarily ATM cells to be transmitted, a transmit cell process means which discards all the ATM cells in the group in case that a NAK response indicating loss or wrong reception of an ATM cell is received from a receiving station, and an EOP cell generator for transmitting an EOP cell which has said EOP flag in stead of the discarded ATM cells. As no ATM cell in a packet is transmitted after an erroneous ATM cell is detected, no useless ATM cell which would be discarded in a destination terminal equipment because of an erroneous ATM cell occupies a transmission line when an erroneous ATM cell is detected, and traffic is saved.
摘要翻译：在ATM传输系统中，其中多个ATM信元被分组成具有一个具有EOP（分组结束）标志的ATM信元的一端的分组，发送站包括用于临时存储要发送的ATM信元的发送缓冲器，在从接收站接收到指示ATM信元的丢失或错误接收的NAK响应的情况下丢弃组中的所有ATM信元的发送小区处理装置，以及用于发送具有所述EOP标志的EOP小区的EOP小区发生器而不是丢弃的ATM信元。由于在检测到错误的ATM信元之后没有发送分组中的ATM信元，所以当检测到错误的ATM信元时，由于错误的ATM信元而在目的地终端设备中被丢弃的无用ATM信元占用传输线，并且流量被保存。

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