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METHOD AND ARRANGEMENT OF ESTIMATING DATA SEQUENCES TRANSMITTED USING VITERBI ALGORITHM

机译:利用维特比算法估计传输的数据序列的方法和安排

摘要

A method and apparatus of estimating a data sequencetransmitted using a Viterbi algorithm, are disclosed.Sampled values of incoming data are acquired at apredetermined time interval into a memory. Subsequently,a plurality of sampled values are retrieved from saidmemory. Further, a plurality of receive signal replicas,which have been previously prepared and stored in anothermemory, are retrieved. A plurality of receive signalreplicas are determined by multiplying the sampled valuesby the receive signal replica coefficients. Branchmetrics are then determined using the sampled values ofthe incoming data and the receive signal replicas. Adata sequence is estimated using said branch metricsaccording to the Viterbi algorithm.
机译:估计数据序列的方法和装置公开了使用维特比算法传输的信号。输入数据的采样值在预定的时间间隔存入存储器。后来,从所述多个样本值中检索多个样本值。记忆。此外,多个接收信号副本,之前已经准备好并存储在另一个内存,被检索。多个接收信号通过将采样值相乘来确定副本通过接收信号的复制系数。科然后使用的采样值确定指标传入数据和接收信号副本。一种使用所述分支度量来估计数据序列根据维特比算法。

著录项

  • 公开/公告号CA2081923C

    专利类型

  • 公开/公告日1998-01-27

    原文格式PDF

  • 申请/专利权人 NEC CORPORATION;

    申请/专利号CA19922081923

  • 发明设计人 USHIROKAWA AKIHISA;

    申请日1992-11-02

  • 分类号H04L1/00;H04B1/10;

  • 国家 CA

  • 入库时间 2022-08-22 02:54:25

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