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Channel estimation for OFDM systems based on comb-type pilot arrangement in frequency selective fading channels
一篇信道估计的经典文章-Channel estimation for OFDM systems based on comb-type pilot arrangement in frequency se lective fading channels a channel
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(Channel Estimation in OFDM Systems)正交分頻多工系統中的各種通道估測技術
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Channel Estimation Techniques Based on Pilot Arrangement in OFDM Systems(OFDM系統的一個通道估測方法)
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基于期望最大化(EM)的最大后验信道估计算法(MAP)在高信噪比(SNR)下将很难获得较低的估计误差,并且,对于导频辅助的MIMO-OFDM系统,OFDM符号的数据传输效率随着发送天线的增加而明显下降.为改善这两种缺陷,引入一种等效的信号模型来改善高SNR下的估计性能 在相邻多个OFDM符号内使用相移正交导频序列和联合估计来提高系统的数据传输效率和估计性能 根据角域内信道间的独立性来减小噪声对估计的影响.通过仿真实验可知,所提算法具有更小的估计误差和更高的数据传输效率.-Maximum a po
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详细介绍基于OFDM的各种信道估计算法及其复杂度和适用性。-This application note gives an overview of the channel estimation strategies used in orthogonal frequency division multiplexing (OFDM) systems.
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one of the best ways to have a blind channel estimation is using a precoding after before IDFT operation in OFDM systems,this simulation shows the precoding infulence on the system.
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Author: Vinay Uday Prabhu
E-mail: vinay_u_prabhu@yahoo.co.uk
Function: Comparison of the performances of the LS and the MMSE channel estimators
for a 64 sub carrier OFDM system based on the parameter of Mean square error
Assumptions: The
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ofdm系统的信道估计，有LS、MMSE、LMSE三种算法的比较-ofdm systems, channel estimation, a LS, MMSE, LMSE Comparison of three algorithms
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采用LSE算法的OFDM系统信道估计表现 -LSE algorithm for OFDM systems with channel estimation performance
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CHANNEL ESTIMATION TECHNIQUES FOR
OFDM SYSTEMS IN DISPERSIVE
TIME-VARYING CHANNELS
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时域信道估计在中继系统中的应用，能够有较低的复杂度和较好的性能-Time Domain Channel Estimation for Amplify-and-
Forward Relay in OFDM Systems
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A multiple-input multiple-output (MIMO) communication system combined with the orthogonal frequency division multiplexing (OFDM) modulation technique can achieve reliable
high data rate transmission over broadband wireless channels. Channel state i
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channel estimation for ofdm systems, in lte ofdm i s used on downlink, so estimation has to be near to real
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信道估计方面的参考，初学者会有很大帮助，基于OFDM系统，有最基本的算法仿真和对比-Channel estimation in terms of reference for beginners will be of great help to the OFDM-based systems, simulation and comparison of the basic algorithm
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OFDM（正交频分复用）系统以其抗多径衰落和较高的频带利用率，得到了众多领域的广泛应用。本文就OFDM系统中关键技术之一的信道估计技术进行了介绍。并分别叙述了OFDM系统和信道估计的意义，归纳了信道估计的分类，最后介绍了MMSE、LS及其改进信道估计算法并仿真出结果。-OFDM（orthogonal frequency division multiplexing) has been widely used in many areas for its good resistance to mult
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OFDM系统中一种新的变换域信道估计方法-A new transform domain channel estimation method in OFDM systems
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卡尔曼滤波器进行信道估计的一篇文章，适用于OFDM-MIMO系统。-Kalman filter for channel estimation in an article for OFDM-MIMO systems.
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A performance comparison of LS algorithm and OMP algorithm in OFDM systems
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simulation for channel estimation techniequs using LS, LMMMSE, and
% computationally efficient LMMMSE methods.
% Prepared by: Hiren Gami
% Ref: J J Van de Beek, "Synchronization and Channel Estimation in OFDM
% systems", Ph.D thesis
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改论文详细描述了信道估计算法，提出了一种新的信道估计算法，即压缩感知算法，得到了良好的效果！(The paper describes the channel estimation algorithm in detail, and proposes a new channel estimation algorithm, that is, the compressive sensing algorithm, which has achieved good results!)
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