In chapter 4, a based on subspace blind channel estimation method is introduced.
第四章介绍了一种基于子空间的盲信道估计方法。
A novel adaptive channel estimation method for OFDM communication system is proposed.
提出了OFDM通信系统中一种新型自适应信道估计方法。
A channel estimation method for OFDM systems using rectangular pilot pattern was proposed.
提出一种使用矩形导频图案的OFDM信道估计方法。
The improved channel estimation method for OFDM system based on transform-domain processing;
然后采用最佳序列联合变换域处理的方法进行信道估计性能分析。
The second method is based on the virtual sub-carrier subspace blind channel estimation method.
第二种方法是基于虚拟子载波的子空间盲信道估计方法。
Then channel estimation is studied two key ways:The first method is based on pilot channel estimation method.
然后主要研究了信道估计的两种方法：第一种方法是基于导频的信道估计方法。
A combined channel estimation method of time-frequency-selective fading channels in MIMO-OFDM systems was proposed.
提出了一种适用于时间频率选择性衰落信道的MIMO - OFDM系统的组合信道估计方法。
In this first part of the thesis, we develop a simple and effective channel estimation method to overcome the problem.
在本论文的第一个部分，吾人即采用一个简单有效之通道估计法来克服此难题。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing systems.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing (OFDM) systems.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用(OFDM)系统。
Based on characteristics of the proposed pilot, an improved frequency domain least squares channel estimation method is proposed.
根据该导频的特性，提出了一种改进的频域最小二乘信道估计算法。
The direct DFT based channel estimation method uses comb-type pilot symbol and discrete Fourier transform (DFT) to estimate the channel.
有一种直接基于DFT的信道估计方法利用均匀梳状分布的导频符号和离散傅立叶变换（DFT）完成信道估计。
The MIMO-OFDM channel estimation method is researched based on the system design, and a space-frequency domain optimal pilot-tones design algorithm is presented.
从系统设计角度研究了MIMO-OFDM系统的信道估计方法，提出一种基于空频域的最优导频设计算法。
Comparing with the Linear Minimum Mean Square Error (LMMSE) channel estimation method, the method is simple and need not know the channel correlation and signal-to-noise (SNR).
与已有线性最小均方差(LMMSE)信道估计方法相比，该算法简单并且不需要预先知道信道相关矩阵以及信噪比等信道信息。
The low-voltage power line channel properties are analyzed in this paper and a decision feedback channel estimation method is proposed on condition of slow time-variant of channel.
该文分析了低压电力线信道特性，利用信道慢时变的特点提出一种适合于电力线信道的判决反馈信道估计方法。
At first, from the traditional channel estimation strategy using training sequence, a novel channel estimation method, which is based on reconstructed observed signal sequence is proposed.
首先，本文针对静止信道条件下或信道缓慢变化条件，在传统的基于训练序列的信道估计算法基础上，提出了一种基于重构观测样本的信道估计方法。
The channel estimation method proposed in the thesis has been successfully applied in practical system, which is able to operate in complex wireless mobile environment with a pragmatic value.
提出的信道估计方法已成功运用于实际系统中，能够工作在复杂的无线移动环境，具有实用价值。
The channel estimation method based on pilots has received much research. It adopts the algorithms such as least squares (LS), minimum mean square error (MMSE), maximum likelihood (ML), and so on.
基于导频的信道估计方法已经受到广泛的研究，主要估计算法有最小二乘法(LS)、最小均方误差法(MMSE)和最大似然(ML)估计法等。
Aiming at the phase ambiguity of the blind channel estimation in frequency domain, a blind channel estimation method in frequency domain based on dissymmetrical modulation constellation was proposed.
针对频域信道盲估计的相位模糊问题，提出了基于非对称调制星座的频域信道盲估计方法。
The new method can also be expanded to the base station with antenna array and can realize the estimation of vector channel impulse response.
同时该方法还可以推广到基站采用智能天线的系统中，实现对矢量信道冲激响应的盲估计。
Such method could better track channel change and eliminate the noise remarkably in the received pilot signal, and the precision of channel estimation had been improved.
这种方法可以更好地跟踪信道变化，显著地消除接收到的导频信号中的加性噪声，提高信道估计精度。
In this paper, by combining the subspace method with layered space-time codes, we propose a vertical layered space-time code and accomplish the channel estimation without the training symbols.
本文将信号处理中的子空间方法同分层空时码的编码结构相结合，提出了一种垂直分层空时编码，实现了无需训练序列的信道估计。
In this paper, the method to carry out the joint estimation to the message and channel processes is applied so that an optimal nonlinear phase estimator can be built.
本文采用对消息和信道过程进行联合估计的方法，以建立最佳非线性相位估计器。
An estimation method of channel parameters for CDMA systems operating over channel with single or multiple propagation paths is proposed.
提出了一种单径或多径CD MA信道参数的估计方法。
We investigate the channel estimation algorithms based on tracking multipath time delay, a low complexity multipath time delay estimation method is proposed.
论文研究了基于多径时延跟踪的信道估计方法，并提出了一种低复杂度的多径时延跟踪方法。
The channel estimation algorithm based on training-sequence method firstly introduces the definition of the training sequence and discusses the optimum training-sequence in MIMO-OFDM system.
根据最优化训练序列的设计方法分别讨论了两种最优化训练序列的导频格式：对角正交导频和相移正交导频，分析了在两种不同导频格式下的信道估计算法。
Because the GIUH depends only on the parameters of geomorphology and flow velocity of channel network, it may provide a new parameter estimation method for conceptual models of CFW.
考虑到GIUH只取决于河网地貌参数和流速参数，故它可为概念性流域汇流模型提供一个新的确定参数的方法。
This paper analyzes the parallel estimation method of the fast fading channel in the present of impulse noise.
该文分析了在存在噪声干扰的情况下，进行估计快衰信道的方法。
Robust time delay estimation method based on least mean p-norm blind channel identification(BCILMP) was proposed and applied to estimate the propagation velocities of GEA.
根据分数低阶统计量理论，本研究提出一种基于最小平均p范数盲信道辨识的韧性时间延迟估计算法（BCILMP），对胃电信号传导速率进行估计。
Robust time delay estimation method based on least mean p-norm blind channel identification(BCILMP) was proposed and applied to estimate the propagation velocities of GEA.
根据分数低阶统计量理论，本研究提出一种基于最小平均p范数盲信道辨识的韧性时间延迟估计算法（BCILMP），对胃电信号传导速率进行估计。
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