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ofdm+matlab
- OFDM:正交频分复用(OFDM)是第四代移动通信的核心技术。该文首先简要介绍了OFDM基本原理,重点研究了理想同步情 况下,保护时隙(cP)和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对OFDM系统性能的影响。在给出OFDM系 统模型的基础上,用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序-OFDM : Orthogonal Frequency Division Multiplexing (OFDM) is the fourth-generation mobile
ofdm
- 该程序源代码实现了OFDM通信系统性能的仿真,调制方式有BPSK,QPSK,MSK,QAM,信道为AWGN和Rayleigh信道,并对有插入导频的符合IEEE802.11a的OFDM系统进行了仿真。
Simulation-Performance-Analysis-of-OFDM-System-in-
- 构建了正交频分复用(OFDM)系统的仿真模型,给出了具体信道的参数。在不同信道传输环境下,对不同调制方式和 不同移动速度下的OFDM系统性能进行了分析比较,在仿真结果的基础上给出了OFDM系统抗多普勒频移的参考方案,采 用的信道模型基于ITU - RM. 1225 ChannelB瑞利(Rayleigh)衰落信道。最后,在基于COST 207的信道模型下,对四种典型 环境的OFDM系统进行了仿真研究,并对其结果作了讨论分析。结果表明:在多径衰落信道下,OFDM系统可以有效克服多
OFDM.rar
- 基于MATLAB的OFDM信道估计,LS信道估计,rayleigh信道,MATLAB-based OFDM channel estimation, LS channel estimation, rayleigh channel
OFDM
- 一个OFDM在加性高斯白噪声信道(AWGN)和多径瑞利衰落信道(MuhipathReyleighFading)下的调制解调模型,simulink建模,仿真信噪比、频谱图、星座图。-A OFDM in additive white gaussian noise (AWGN) channel and multipath Rayleigh fading channel (MuhipathReyleighFading) of demodulation model, simulink modeling,
BERforBPSKinOFDMwithRayleighmu
- 瑞利信道下,OFDM系统中使用BPSK调制的误码率(验证可用,与理论值比较),BER for BPSK in OFDM with Rayleigh multipath channel
ofdm
- QPSK调制信号经过AWGN、Rayleigh衰落信道的误码率-QPSK modulated signal through AWGN, Rayleigh fading channel bit error rate
OFDM
- OFDM系统的不同编码如BPSK,QPSK,mQAM等在瑞利信道或高斯信道中传播的特性曲线分析。-The different coding of OFDM system in Rayleigh channel, or Gaussian channel spread features such as BPSK, QPSK, mQAM curve analysis.
MIMOCapacity
- it has been designed to calculate the ergodic and outage capacity of a MIMO Rayleigh channel considering no CSIT and perfect CSIT The channel is assumed to be spatially correlated according to a Kronecker model but temporally uncorrelated. -it ha
mfile
- 信道估计程序,采用块状导频的办法,OFDM信号,采用自适应算法对瑞利信道模拟,有效地估计了信道-Channel estimation procedure for the pilot block approach, OFDM signal, using adaptive algorithm for Rayleigh channel simulation, an effective tool in estimating the channel
OFDM_BPSK_QPSK_MSK_QAM
- OFDM仿真BPSK,QPSK,MSK,QAM,信道为AWGN和Rayleigh信道-OFDM simulation of BPSK, QPSK, MSK, QAM, AWGN channel and Rayleigh channel for the
ofdm_ber
- I would like to find theoretical 802.11g BER performances in the case of a transmission under rayleigh channel. I found theoretical M-QAM curves, but I don t know how to compute BER curves for OFDM transmission due to the use of several sub-car
The-simulation-of-OFDM-systems
- 正交频分复用(OFDM) 是第四代移动通信的核心技术。该文首先简要介绍了OFDM基本原理,重点研究了理想同步情 况下,保护时隙(CP) 和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对OFDM系统性能的影响。在给出OFDM系 统模型的基础上,用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序。最后给出在不同的信道条件下,保 护时隙、信道估计方法对OFDM系统误码率影响的比较曲线,得出了较理想的结论。-Orthogonal frequency division mult
MIMO-OFDM-Simulator
- 多输入多输出正交分频多工模拟器。 正交分频多工:OFDM模拟器(外层函数) create_channel:产生一个瑞利衰落信道复用,解的天线配置、正交分频多工结构、power-delay档案。 svd_decompose_channel:既然全网络知识是假设,在并行传输奇异值模式。这个函数分解这些频道模式。 BitLoad:适用bit-loading算法来实现预期的钻头和能量 -MIMO OFDM
AWGN-and-Rayleigh
- AWGN vrs Rayleigh OFDM
ofdm
- 使用matlab实现不同循环长度下的BER仿真,信道分别为瑞利信道和高斯白噪声信道(Using matlab to realize different cycle length, the channel is Rayleigh channel and gaussian white noise channel)
OFDM
- BPSK在OFDM系统不同信道下的误码率比较(This is a scr ipt for computing the BER for BPSK in OFDM modulation in the AWGN channel.)
OFDM rayleigh
- OFDM下的信道估计,在频率选择性rayleigh信道下五条多径下测试,并作出信道估计性能曲线(The channel estimation under OFDM is tested under five multipaths under the frequency selective Rayleigh channel, and the channel estimation performance curve is made.)
QPSK&OFDM
- 基于 MATLAB 对移动通信中的 BPSK、QPSK、16QAM 和 OFDM 基带传输系统进行仿真,分析它们在 AWGN 和 Rayleigh 信道下的误码率性能。重点建立了基于 QPSK 和 16QAM 调制方式下 OFDM 系统的仿真,比较两种调制方式在 Rayleigh 信道下的传输性能,分析了系统模型,提出了代码优化方案。(Based on MATLAB, we simulate the BPSK, QPSK, 16QAM and OFDM baseband transmission
ofdm
- 本程序对多径衰落的瑞利信道进行了信道估计,并比较了LS算法,LMMSE算法的误码率(This program estimates the channel of Rayleigh channel with multipath fading, and compares the BER of LS algorithm and LMMSE algorithm.)