在本文中我们提出一种基于复数赫布类型算法的自适应信道均衡器。
In this paper we proposed an adaptive equalizer based on complex Hebbian-type learning algorithm.
此算法由信道均衡器和匹配滤波器组成,信道均衡是基于迫零均衡准则。
It consists of a channel equalizer and code matched filter. The equalization algorithm is based on zero forcing (ZF) criterion.
提出了一种改进的LMS算法,使基于该算法的半盲自适应信道均衡器适用于时变信道中OFDM系统。
An improved LMS Algorithm is presented in this paper, based on which there is a semi-blind adaptive equalizer of time-variant channel for OFDM systems.
提出的辅助判决均衡器在用于滤波多音调制系统时,可克服判决反馈均衡器在多径信道下的地板效应。
For the FMT system, a decision-aided equalizer could overcome the floor effect of the decision feedback equalizer which is caused by the multi-path channel.
另外在未来宽带MIMO无线通信系统中,通常面临频率选择性衰落信道,传统高性能均衡器就会变得异常复杂。
In addition, there will be frequency selective fading in the future broadband MIMO wireless communication systems, and the traditional high-performance equalizer will become extremely complicated.
提出一种基于非线性差分方程模型的弥散非线性信道自适应均衡器。
An adaptive equalizer of dispersive non-linear channels based on non-linear difference equation model is proposed.
根据信道分类讨论了典型的均衡器结构和均衡算法及经典算法在实际使用中所遇到的问题。
According to the channel sorting, typical equalizer configurations and equalizing algorithm and problems of their applications are discussed.
而基于双层符号常数模的多径水声信道盲均衡器,具有收敛速度快,超量均方误差和计算复杂度小等特点。
The DSCMA-based multipath underwater acoustic channel blind equalizer has many features such as fast convergence, low excess mean square error and low computational complexity, etc.
为了克服码间串扰所带来的信号畸变,必须在接收端增加均衡器,以补偿信道特性,正确恢复发送序列。
To overcome the signal distortion caused Crosstalk code, we must increase the equalizer in the receiver to compensate channel properties send resume correct sequence.
在数字移动通信信道模型上,利用计算机模拟,在均方误差和误码率特性方面与其它均衡器算法进行了比较。
On a digital mobile radio channel model, using computer simulation, we compare the SWFTF DFE algorithm with other equalizer algorithms in the characteristics of mean squared error and bit error rate.
盲均衡器由于不需要训练序列,仅利用接收信号的统计特性就能对信道特性进行均衡,消除码间串扰,成为近年来通信领域研究的热点课题。
Because blind channel equalizer can reduce the intersymbol interference without the assistance of the transmitted sequence, it has been becoming a very popular research topic in recent years.
一个例子包括使用参考信号来训练均衡器到信道条件的最小均方(LMS)算法。
One example includes a least-mean-square (LMS) algorithm that USES a reference signal for training the equalizer to channel conditions.
还证明了紫外信道是最小相位系统,可以进行盲均衡,结果指出,只要迭代次数足够,CMA盲均衡器输出误码率与滤波器阶数、迭代步长关系不是很明显。
It is proved that UV channel is a minimum phase system and can use blind equalizer. Ber is not sensitive to the step size and tap number for CMA blind equalizer.
使用最小均方误差准则,用一个FIR均衡器联合缩短信息与回波冲激响应,有效地缩短了回波和信道冲激响应长度。
Both channel and echo response can be shortened at random with a single FIR equalizer by following the minimum mean square error rule.
本文针对严重线性失真、轻度非线性失真的信道提出了一种简单实用的非线性信道判决反馈均衡器。
A simple and useful decision feedback equalizer used for non-linear channels with severe linear distortion and mild non-linear distortion is proposed.
常用的最大似然序列估计(MLSE)均衡器采用维特比算法(VA),它只能用于具有较小时延扩展的信道。
The Maximum Likelihood Sequence Estimation (MLSE) using the Viterbi Algorithm (VA) is commonly recommended for the equalization, which can only accommodate the channels with limited time delay spread.
并给出神经判决反馈均衡器的复数算法,在复数信道中可以有效地对相位和幅度作出补偿。
And, the complex algorithm of the neural DFE is given, which can effectively compensate the phase and amplitude loss in the complex channel.
传统的均衡器一般是线性均衡器(lte),但当信道呈现一定的非线性特性时,LTE的性能会下降。
Traditional equalizer is the linear transversal equalizer (LTE) which has poor performance when the communication channel has nonlinear characteristics.
在获得信道估计值后,接下来的工作是设计一种算法来有效的将当前估计出的信道冲激响应值与均衡器抽头系数进行很好的映射。
After we obtained the channel estimation, the next work we should do is to present an algorithm for mapping the channel parameters to the equalizer efficient.
在数字移动通信信道模型上,利用计算机模拟,在均方误差和误码率特性方面与其它均衡器算法进行了比较。
On a digital mobile radio channel model, using computer simulation, we compare the SWFTF DFE algorithm with o...
在数字移动通信信道模型上,利用计算机模拟,在均方误差和误码率特性方面与其它均衡器算法进行了比较。
On a digital mobile radio channel model, using computer simulation, we compare the SWFTF DFE algorithm with o...
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