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    • 1. 发明授权
    • Method for receiving a signal used in a synchronous digital
telecommunication system
    • 用于接收在同步数字电信系统中使用的信号的方法
    • US5539750A
    • 1996-07-23
    • US367165
    • 1995-02-14
    • Arvi Kivi-MannilaEsa ViitanenJari PatanaToni Oksanen
    • Arvi Kivi-MannilaEsa ViitanenJari PatanaToni Oksanen
    • H04J3/07H04J3/16H04Q11/04H04J3/14
    • H04J3/1611H04J3/07H04J2203/006
    • A method for receiving a signal used in a synchronous digital telecommunication system including a pointer interpretation in which the receiver has three possible main states (NORM, AIS, LOP), between which it undergoes transitions under the control of event counters. In order for fault tolerance to be improved and correction of error situations to be expedited, in the normal state (i) all the events in which the value "normal" (NDF.sub.-- disabled) of the new data flag is received, and the majority of the I-bits is inverted, and the majority of the D-bits is not inverted are regarded as increment data, and (ii) all the events in which the value "normal" (NDF.sub.-- disabled) of the new data flag is received, and the majority of the D-bits is inverted, and the majority of the I-bits is not inverted are regarded as decrement data, wherein the value "normal" for the new data flag is considered to be "0110" and values differing therefrom within certain limits.
    • PCT No.PCT / FI93 / 00279 Sec。 371日期:1995年2月14日 102(e)1995年2月14日PCT PCT 1993年7月1日PCT公布。 第WO94 / 01947号公报 日期1994年1月20日一种用于接收在包括指针解释的同步数字电信系统中使用的信号的方法,其中接收机具有三种可能的主状态(NORM,AIS,LOP),在事件计数器的控制下,它们经历转换 。 为了提高容错性和加快错误情况的校正,在正常状态(i)接收到新数据标志的值“正常”(NDF禁用)的所有事件和大多数 I比特的大部分被反转,并且D比特的大多数不被反转,被认为是增量数据,并且(ii)新数据标志的值“正常”(NDF禁用)的所有事件是 并且大多数D比特被反转,并且大多数I比特不反相被认为是递减数据,其中新数据标志的值“正常”被认为是“0110”,并且值 在某些限度内与之不同。
    • 2. 发明授权
    • Method for receiving a signal in a synchronous digital
telecommunications system
    • 用于在同步数字电信系统中接收信号的方法
    • US5724342A
    • 1998-03-03
    • US640936
    • 1996-06-28
    • Tuomo SihvolaToni OksanenSixten Johansson
    • Tuomo SihvolaToni OksanenSixten Johansson
    • H04J3/14H04Q11/04H04J3/12
    • H04J3/14H04J2203/006
    • A method for receiving a signal used in a synchronous digital telecommunications system, such as the SDH or SONET system, in which pointer interpretation is performed where a receiver has three possible main states, the receiver entering from one main state to another under the control of event number counting. The main states are a normal state, a loss of pointer state and an alarm state. The events including reception of a new pointer indicating a new pointer value, wherein the number of successive new pointers is counted, and, when being in the loss of pointer state, the normal state is entered after the new pointer has been received a predetermined number of times in success. To improve the recovery rate of data transmission, the counting of the new pointers is continued upon transition from the normal state or the alarm state to the loss of pointer state irrespective of the said transition.
    • PCT No.PCT / FI94 / 00506 Sec。 371日期:1996年6月28日 102(e)日期1996年6月28日PCT 1994年11月10日PCT PCT。 WO95 / 13673 PCT出版物 日期1995年5月18日一种用于接收在诸如SDH或SONET系统的同步数字电信系统中使用的信号的方法,其中在接收机具有三种可能的主状态的情况下执行指针解释,接收机从一个主状态进入另一个主状态 在事件计数的控制下。 主要状态是正常状态,指针状态的丢失和报警状态。 包括接收指示新指针值的新指针的事件,其中对连续的新指针的数量进行计数,并且当处于指针状态的丢失时,在新指针已经接收到预定数量之后进入正常状态 的时代成功。 为了提高数据传输的恢复速度,无论所述转换如何,新指针的计数在从正常状态或报警状态转移到指针状态失去之后继续进行。