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ResearchofMMSEandLSChannelEstimationinOFDMSystems.
- 文章介绍了OFDM 系统中插入导频的Ls信道估计与MMSE信道估计两种算法，通过试验 仿真说明了MMSE信道估计算法对系统性能的提升要优于Ls信道估计算法，但MMSE信道估计算法的 计算量大于LS信道估计算法。-This paper introduced the MMSE and LS of pilot based channel estimation in the OFDM system，the expert。一 ment shows that the MMSE channel e
22_LS
- LTE下行链路信道估计，两发两收天线。基于导频的LS加插值仿真-LTE downlink channel estimation, two rounds of the two received antenna. Pilot-based simulation of LS plus interpolation
xiaoyuge_ofdm
- 该程序是基于梳妆导频的OFDM信道估计的最基础的程序，适合初学者-The program is based on the dressing of the OFDM pilot channel estimation the most basic procedures, suitable for beginners
CP0804
- 基于导频脉冲序列，解决IR-UWB通信系统信号捕获和定时同步问题。-Pulse sequence based on the pilot to address the IR-UWB communication system signal acquisition and timing synchronization.
cdma-weidaopin-matlab
- CDMA伪导频生成的Matlab代码，运行之后能生成包括伪导频码的CDMA信号-CDMA pilot-generated pseudo-Matlab code to run after the pilot can generate, including pseudo-code CDMA signal
OFDM-QPSK
- 该程序源代码实现了OFDM通信系统性能的仿真，调制方式有QPSK,QAM,信道为AWGN，并对有插入导频的OFDM系统进行了仿真。-The source code implements the OFDM communication system simulation, modulation methods are QPSK, QAM, the channel is AWGN, and has inserted into the OFDM pilot system was simulated.
OFDM-Channel-Estimation
- MATLAB MIMO-OFDM信道估计仿真.m文件。基于梳状导频环境。-MATLAB MIMO-OFDM channel estimation simulation. M file. Comb based pilot environment.
scatter
- 认知无线电中DVB信号2K模式下离散导频的位置-the position of scatter pilot at 2K mode in CR
Yang_OFDM
- 关于OFDM信道估计的简介，包括插入导频的简介-about OFDM channel estimation
Nova-OFDM-16QAM_Rec
- 二维导频的信道估计，有效的减小瑞利多径信道对通信系统影响。OFDM系统，调制方式16QAM，线性内插。-2D pilot aided channel estimation. OFDM system, linear interpolation.
TD-LTE
- 实现了TD-LTE系统上下行结合的程序，包括信道估计、导频插入等，最后衡量系统性能是衡量系统的误码率。-It implemented the process of TD-LTE,including uplink and downlink.It contains channel estimation,pilot inserting and so on.At last,it eatimated the BER performance.
wimax_ostapenko-work
- 在WiMax中，探测导频和解码FCH。从国外网站获得。-In Wimax，just detect preamble and decode FCH for a hardcoded example values. E.g. we assume 10MHz and 1024 FFT.
aaa
- 通信原理仿真-插入导频法实现仿真，仿真通过验证-Communication Theory simulation- inserted pilot method for simulation, simulation validation
LMMSEDFT
- 半盲估计算法利用很少的导频符号，以LMMSE准则来估计、初始化信道系数，运用的两种算法进行对比，牺牲极小的带宽而尽可能准确的传输有用信息-Half blind algorithm using little pilot.finally symbols, with LMMSE criteria to estimate, initialization, the use of the channel coefficient two algorithm is compared, and sacrifice
ls_block-pilot
- OFDM系统中，利用块状导频进行信道估计的仿真程序-a simulation program using the pilot block channel estimation in OFDM system
dct_ls_comb-pilot
- OFDM系统中，利用梳状导频进行信道估计的仿真程序-A simulation program using the comb pilot channel estimation in OFDM system
ofdm_channel_est
- 基于matlab的ofdm的块状导频的信道估计 仿真成功-ofdm channel estimate
ofdm_system_channel_est
- 菱状导频的信道估计 包括了调制解调 以及性能估计-channel est of ofdm
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- 多天线正交频分复用(MIMO-OFDM,Multiple-Input and Multiple-Output Orthogonal Frequency Division Multiplex)系统中,精确的符号定时同步可使接收端解调数据时消除载波频率偏移和符号间干扰。而由于MIMO空间信道复杂度较高,使得单天线OFDM系统的同步方法不能直接应用于MIMO-OFDM系统中。提出的两步同步方法首先利用时域导频作为第一步同步进行粗同步,然后利用循环交织前缀作为第二步同步对每一个MIMO-OFDM符号进行
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- 针对MIMO-OFDM系统中期望最大化(EM)信道估计算法在高信噪比(SNR)下带来的误差地板(EF)现象,且OFDM符号的数据传输效率随发射天线数的增加而明显降低,提出一种改进的高效EM信道估计算法。该算法首先引入一种准确的等效信号模型并推导出一种修正的EM算法,改善了EM算法在高SNR下的性能 在多个OFDM间利用相位正交导频序列来提高数据传输效率,同时进行联合信道估计以提高估计性能。仿真实验验证了所提算法具有更高的信道估计性能和更高的数据传输效率。-For multiple-input m