公开(公告)号：EP1050986A2

公开(公告)日：2000-11-08

申请号：EP00303262.0

申请日：2000-04-18

Applicant: LUCENT TECHNOLOGIES INC.

Inventor： Chen, Howard Zehua ,  Monteleone, Keith James ,  Szurkowski, Edward Stanley

IPC: H04J3/06

CPC classification number: H04L1/22 ,  H04J3/0608 ,  H04J3/0632 ,  H04J3/12

Abstract: A method and apparatus for controlling bit slips in a high-speed, two-way, communications channel. More particularly, the entire communications system, comprising, inter alia ., a receiver, a transmitter and the physical communications channel is operated as a feedback loop. That is, the detection of bit slips is performed continuously in the receiver and a bit slip signal is generated that indicates the number of bit slips and the direction, i.e., forward or backward, of the bit slip. Thus, the bit slip signal is communicated to the transmitter and certain actions are performed to introduce bit adjustments in the bit stream to eliminate the effects of any future bit slips. The bit slip signal contains an indication of the number of bit slips which have occurred, the time between bit slips, and the direction of the slip. As a function of this information from the bit slip signal, bit adjustments are made in the communications stream to correct for the bit slips and mitigate any effect in future transmission. For example, such bit adjustments include adding bits to particular data words in the bit stream or repositioning pointers used to traverse the data stream.

Abstract translation: 一种用于控制高速双向通信信道中的位滑的方法和装置。 更具体地，包括接收机，发射机和物理通信信道的整个通信系统被操作为反馈回路。 也就是说，在接收机中连续地执行位滑动的检测，并且产生一个位滑信号，其指示位滑移的数目和位滑移的方向，即向前或向后。 因此，位打印信号被传送到发送器，并且执行某些动作以在比特流中引入比特调整以消除任何未来比特的影响。 位滑信号包含已经发生的位滑移数，位滑移之间的时间和滑移方向的指示。 作为来自位滑信号的该信息的函数，在通信流中进行位调整以校正位滑并减轻将来传输中的任何影响。 例如，这样的位调整包括将比特添加到比特流中的特定数据字或用于遍历数据流的重新定位指针。