The channel estimation scheme was realized.
系统的信道估计方案的实现。
The process of channel estimation is adaptive and iterative.
其中信道估计的过程是迭代的、自适应的。
A multiuser detector based on blind channel estimation is proposed.
提出了一种基于信道盲估计的多用户检测方法。
Therefore channel estimation and equalization have compact relationship.
因此，信道估计和信道均衡之间有着紧密联系。
We further analyze the effect of channel estimation error on multiuser detection.
进一步分析了信道估计错误对多用户检测器的影响。
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。
Then an improved proposal for the channel estimation using spread sequence was imposed.
在此基础上，改进了基于扩频序列的信道估计方法。
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 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。
This is a valuable on the MIMO channel estimation and signal detection receiving end of the article.
这是一篇比较有价值的关于MIMO信道估计与接收端信号检测的文章。
Channel estimation and equalization are integral parts that determine the performance of the system.
信道估值和均衡是决定系统性能的主要部分。
Channel estimation is the key technique to implement OFDM system, and is also the hotspot of research.
信道估计是实现OFDM系统的关键技术之一，也是目前研究热点。
In this paper, the key techniques of OFDM systems, such as equalization and channel estimation are studied.
本文主要研究了OFDM的信道估计和均衡等关键技术。
Considering Rayleigh fading channel is random channel, noncoherent detection is used for channel estimation.
考虑到瑞利衰落信道为随机信道，用非相干检测对信道进行估计。
Synchronization and channel estimation are two key techniques for OFDM systems to ensure its good performance.
为保证其具有好的性能，需要时频同步、信道估计等一系列的关键技术加以支持。
By using new DSTBC in OFDM communications system channel estimation is nto necessary and coding gain is gotten.
通过在OFDM通信系统中应用新型差分空时分组码（DSTBC），获得编码增益，无需信道估计。
Channel estimation methods can be grouped into non-blind estimation, blind estimation and semi-blind estimation.
信道估计的方法从大的角度可以分为非盲估计、盲估计和半盲估计。
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。
As a necessary input parameter for MAP decoding algorithm, SNR was normally obtained from the channel estimation unit.
作为MAP译码算法的必要参数，信噪比通常通过信道估计单元得到。
In this paper, we focus on the application of adaptive filtering algorithms to channel estimation and noise cancelling.
本文主要研究几种自适应滤波算法在信道估计和噪声消除中的应用。
Echo channel estimation and the tracking of channel using the transform domain LMS algorithm are introduced in this article.
提出了对回波信道的初估计并利用变换域LMS算法进行信道跟踪的一种方案。
We propose new carrier frequency acquisition and channel estimation algorithms based on the time-domain analysis of OFDM system.
本文根据OFDM系统特点，分析了OFDM系统的时域载波频率捕获和信道估计方法。
Following is an analytical expression to calculate the BER of M-QAM under Rayleigh channel when channel estimation error exists.
提出了计算瑞利信道下存在信道估计误差时m -QAM的误比特率的解析表达式。
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。
Modified MIMO channel estimation algorithm based on superimposed training sequence was proposed for the frequency selective channel.
针对提高无线信道的传输性能，提出了改进的基于叠加训练序列的MIMO信道估计算法。
After describing some basic channel estimation algorithms in OFDM and SC-FDE systems, we propose some new channel estimation algorithms.
在简单介绍了OFDM和SC - FDE中的一些信道估计技术后，我们提出了几种信道估计方法。
In the frequency domain pilot channel estimation, this thesis studies the pilot subcarrier and data subcarrier channel estimation algorithms.
在基于频域导频的信道估计中，研究了导频子载波处的信道估计方法和数据子载波处的信道估计方法。
Coherent detection is always used in coded cooperation system, but it needs accurate channel estimation, which increases the system complexity.
通常的编码协作采用相干检测方式，要求精确的信道估计，从而增加了系统实现复杂度。
Coherent detection is always used in coded cooperation system, but it needs accurate channel estimation, which increases the system complexity.
通常的编码协作采用相干检测方式，要求精确的信道估计，从而增加了系统实现复杂度。
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