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MIMO_OFDMdexingdaoguji
- 多天线输入多输出技术正交频分复用技术结合,利用matlab仿真其不同信道估计-multi-antenna MIMO technology Orthogonal Frequency Division Multiplexing combination Matlab simulation using different channel estimation
MIMO_OFDM
- 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
OFDM_MIMO0305
- ＭＩＭＯ－ＯＦＤＭ系统仿真，包括了接收端与发射端的分集，各种复用技术-MIMO-OFDM system simulation, including a receiver and transmitter sub-sets, a variety of multiplexing
mac03c
- a mimo ofdmsystem with diversity using alomuti code.This packag also includes a simplified mac layer calling the mimo-ofdm physical layer-a mimo ofdmsystem with diversity using alomuti code.This packag also includes a simplified mac layer calling the
MIMO-OFDM-GAUSSE
- Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) Gaussien
mimo
- OFDM系统的MIMO仿真，在MATLAB 构建仿真平台，可对MIMO-OFDM技术进行比较全面的检测-Is a complete classic multi-input multi-output orthogonal frequency division multiplexing of the joint simulation, and simulate the system using MATLAB, including one on the whole process, there are
LTE_detect_CLSM
- LTE系统下行链路MIMO中的空分复用中的闭环复用-LTE downlink MIMO space division multiplexing in the closed-loop reuse
no_diversity.m
- 点对点mimo的仿真程序。其中包括无分集方式，1*2的分集和1*4的分集。仿真图和alomouti原文献的图一样。-Point mimo simulation program. Including non-diversity mode, 1* 2 1* 4 sub-sets and a sub-set. Simulation map and alomouti as the original plan documents.
paper
- ERGODIC CAPACITY OF SPATIAL MULTIPLEXING MIMO SYSTEMS WITH ZF RECEIVERS FOR LOG-NORMAL SHADOWING AND RAYLEIGH FADING CHANNELS
FE4A65BCd01
- Error Performance of Ultrawideband MIMO Spatial Multiplexing Systems Abstract—Multiple-input multiple-output spatial multiplexing (MIMO-SM) ultrawideband (UWB) systems with orthogonal frequency division multiplexing (OFDM) signaling are devel
isbn9789514262203.pdf.tar
- Iterative receiver techniques, multiple-input – multiple-output (MIMO) processing, and orthogonal frequency division multiplexing (OFDM) are amongst the key physical layer technologies when aiming at higher spectral efficiency for a wireless comm
mythesis_jiegao.pdf.tar
- Designing spectral e±cient, high-speed wireless links that o® er high quality- of-service and range capability has been a critical research and engineering chal- lenge. In this thesis, we mainly address the complexity and performance issues o
r-li-2008-thesis.pdf.tar
- As a multi-carrier modulation scheme, Orthogonal Frequency Division Multiplexing (OFDM) technique can achieve high data rate in frequency-selective fading channels by splitting a broadband signal into a number of narrowband signals over a number
MIMO-OFDM-01
- Multiple—input multiple—output(MIMO)wireless technology in combination with orthogonal frequency division multiplexing(OFDM)is all attractive air—interface solution for next—generation wideband wireless networks．This paper provides all overview o
123
- 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
MIMO-OFDM-Systems-Based-on-Preamble-
- MIMO OFDM 技术将成为第4 代移动通信系统的关键技术, 因MIMO OFDM 对时间和频率偏移非常敏感, 因此MIMO OFDM 同步显得尤为重要。提出了一种新的MIMO OFDM 定时同步和频偏同步技术。以GCL 序列为基础设 计了一个新的符合MIMO OFDM 同步技术的导频序列, 通过对该导频序列进行2 次相关得到频率估计, 并将所得频率 运用到定时同步中, 得到更为准确的时间估计
MIMO--with-convolutional-coding
- VC2010及IT++4.2下实现MIMO的仿真-This example demonstrates how to use the Modulator_ND (MIMO) class for soft-output demodulation. The program simulates a simple convolutionally coded spatial-multiplexing (V-BLAST style) MIMO system with maximum-likelihood, a
QPSK-ALL
- 简单的MIMO模拟 假定QPSK，ML解码（SM ZF检测器除外）。 mrc.m - 最大比例组合 stc.m - 具有1和2个接收天线的Alamouti空时分组码 bf.m - 特征波束形成 sm.m - 空间复用2x2（ML解码和次优逼迫） 简单的OFDM仿真 模拟保护带，用于信道估计的循环前缀前导码符号(Simple MIMO simulations Assumes QPSK, ML decoding (except SM ZF detector).
毫米波MIMO系统中混合预编码的交替最小化算法
- 因此，通过在数字预编码器上实施正交约束，然后提出低复杂度的AltMin算法。 此外，对于部分连接的结构，AltMin算法也是在半定理松弛的帮助下开发的。为了实际实施，所提出的AltMin算法进一步扩展到具有正交频分复用调制的宽带设置。 仿真结果将证明所提出的AltMin算法相对于现有的混合预编码算法具有显着的性能增益。 此外，基于所提出的算法，两种混合预编码结构之间的仿真比较将提供有价值的设计见解。(Therefore, by implementing orthogonal constraint
MIMO_OFDM_IM
- 这是关于多输入多输出正交频分复用索引的代码(Multiple input multiple output orthogonal frequency division multiplexing index modulation simulation code)