...mation Bits ):用于描述业务信道消息和信令消息,空闲 突发脉冲序列和频率校正突发脉冲除外 训练序列(Training Sequence):它是一串已知..
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1.无线信道参数由对无线突发中的训练序列(midamble码)解码获得。用户训练序列(midamble码)是一个基本midamble码的不同循环位移的结果,位移间隔可为8的整数倍,同一小区内只使用一种固定的位移方式。
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...on Multiplex,TDM),隐含训练序列(Superimposed Training,ST)和数据相关隐含训练序列(Data Dependent Superimposed Training,DDST)信道估计方法。 本文围绕如何提升这三种方案的系统性能以及它们的优化性能比较展开研究。
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文献[7]提出了一种基于数据依赖叠加训练序列(Data-DependentSuperimposed Training,DDST)的信道估计方法。本文在文献[7]的基础上提出了一种基于DDST.
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训练序列码 training sequence code ; Midamble ; train sequence code
隐训练序列 implicit training sequences
基本训练序列码 Basic Midamble Code
数据依赖叠加训练序列 DDST ; Data-Dependent Superimposed Training
隐含训练序列 Superimposed Training
数据相关隐含训练序列 Data Dependent Superimposed Training
短训练序列 ShortTrainingSymbol
短训练序列符号 Short training sequence
最优序列训练器 optimal sequence trainer ; OST
Blind equalization without training sequence is a bandwidth efficient way to solve this problem.
盲均衡不需要训练序列,这将有效的节省通信带宽,提高通信效率及通信性能。
参考来源 - 水声通信中变步长神经网络盲均衡算法研究This method works well with rough initialization of channel parameters obtained from very short train sequence, which leads to high spectrum efficiency.
借助极少量的训练序列来辅助识别,就能达到较好性能,有效提高了频谱利用率。
参考来源 - 基于比特交织编码调制的短波瞬间通信系统关键技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
通过数据相关运算,结合构造训练序列的特点,得出比较准确的频率偏移值。
Base on structure characteristics of the training sequence, a quite accurate frequency offset can be obtained through a data correlation operation.
盲均衡就是不借助于训练序列而仅仅利用接收序列就实现均衡的一种新兴的均衡技术。
Blind equalization techniques rely on solely the received channel output signal to adjust the equalizer weights without a known training sequence available.
利用训练序列与信息序列的不相关特性,在没有带宽损失的情况下初步估计出信道参数;
In the first place, by exploiting the uncorrelation between the training and information sequences, primary channel parameters were obtained without loss of bandwidth.
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