搜索资源列表
djxd
- 《通信系统建模与仿真》书中,多径非时变信道的仿真实例
adptivedef
- 文章中比较了在时变信道条件下的自适应均衡算法
wlan_transmitter
- WLAN仿真-发送机 wlan No Comments 设置完系统参数后,开始产生发送数据。 1. 产生随机的发送bit(tx_bits),这里不考虑信道编码。 2. QAM映射 3. 将数据映射到不同载波,形成OFDM符号 4. 产生pilot,并将pilot插入OFDM符号中 5. 加入dc和guard子载波 6. 进行ifft,将频域信号变到时域,并加入循环前缀 7. 对信号进行overlap window 8. 在时域产生short preamb
time_varying_multipath_channel
- 单频信号经过多径时变信道后,输出信号的包络随时间随机起伏,输出信号的频谱从冲激谱变成一个窄带频谱。径数位20,变化频率从0—2HZ随机均匀抽取。-Single-frequency signal through time-varying multipath channel, the output signal envelope random fluctuations over time, the output signal from the impulse of the spectrum into
CMMB
- 对时变的具有码间串扰ISI的信道,进行信道估计,改善了系统的性能-With the code of the time-varying inter-channel crosstalk ISI to carry out channel estimation and improved the performance of the system
MQAM
- 摘要本文首先分析了自适应调制的原理, 它以频谱效率最高为准则, 在恒定功率约束条件下对接收信噪 比优化来选择不同调制阶数。然后引入时变多径信道模型, 通过仿真给出了自适应在此信道条件下的性能, 并分析 了信道估计误差对其性能的影响。 关键词自适应调制, 调制, 时变信道-Abstract This paper first analyzes the principle of adaptive modulation, spectral efficiency it up to standa
1.m
- 基于MATLAB中多径非时变信道仿真与分析,可以实现以下简单信道模型的测试!-MATLAB-based non-time-varying multipath channel simulation and analysis, you can achieve the following simple channel model of the test!
AAdaptiveequad
- 自适应均衡器的LMS算法实现及其仿真 :自适应均衡器已广泛应用于通信、雷达、声纳、控制和生物医学工程等许多领域,为克服多径衰落和信道失真引起的的码间干扰,实时跟踪移动通信信道的时变特性,笔者设计了一个基于LMS 算法的自适应线性均衡器,并通过改变步长因子Δ来分析其收敛速度和均方误差特性. -Adaptive equalizer LMS algorithm and its simulation: adaptive equalizer has been widely used in commun
Clark_model
- Clark无线通信信道模型仿真的Matlab源程序,采用SOS仿真方法。程序内容包括:时变信道的幅度的实部和虚部,幅度概率密度函数,自相关函数,功率谱密度。-Simulation of Clark wireless communication channel model of the Matlab source code, using SOS simulation method. The program includes: the real and imaginary parts of time
Jakes_model
- Jake s无线通信信道模型仿真的Matlab源程序,采用SOS仿真方法。程序内容包括:时变信道的幅度的实部和虚部,幅度概率密度函数,自相关函数,功率谱密度。-Simulation of Jake s wireless communication channel model Matlab source code, using SOS simulation method. The program includes: the real and imaginary parts of time-var
Hoeber_model
- Hoeber无线通信信道模型仿真的Matlab源程序,采用SOS仿真方法。程序内容包括:时变信道的幅度的实部和虚部,幅度概率密度函数,自相关函数,功率谱密度。-Simulation of Hoeber wireless communication channel model of the Matlab source code, using SOS simulation method. The program includes: the real and imaginary parts of ti
LMS
- LMS自适应均衡器被用于对未知的时变信道做出补偿,因而它需要有特别的算法来更新均衡器的系数,以跟踪信道的变化。-lms adaptive filter lms adaptive filter
TWCom_Matlab
- 对时变信道下差分放大-前向中继的选择性合并性能的研究,这是IEEE Transactions on Wireless Communications, 2014 一篇文章的对应仿真,是作者本人写的程序-Descr iption simulation of the following paper: M. R. Avendi and Ha H. Nguyen, Performance of Selection Combining for Differential Amplify-and-
Differential_AmplifyandForwardRelaying
- 差分调制前向放大转发中继,在时变衰落信道下的仿真。WCNC2013 的paper论文源代码,附件有论文和完整的仿真代码(Differential Amplify-and-Forward Relaying in Time-Varying Rayleigh Fading Channels,. WCNC 2013 source code, inluding paper and total matlab code.)
TWCom_Matlab
- TWC 期刊论文仿真代码。论文为差分中继传输,在时变衰落信道下的选择合并性能。(TWC paper source code. Performance of Selection Combining for Differential Amplify-and-Forward Relaying Over Time-Varying Channels)
多径时变信道模型仿真及性能分析
- 说明: 移动无线信道是一个充满复杂干扰的信道。由环境中的各种障碍物所引起的信号多径传播是其主要特点之一。这个源程主要对多径时变信道模型进行了仿真与性能分析。(Descr iption: mobile radio channel is a channel full of complex interference. Signal multipath propagation caused by various obstacles in the environment is one of its ma