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dfsdfgsdtgregdfs
- ＯＦＤＭ程序 波形如下 子载波数 128 ％ 位数/ 符号 2 ％ 符号数/ 载波 100 ％ 训练符号数 0 ％ 循环前缀长度 8 (1/16)*T ％ 调制方式 4-QAM ％ 多径信道数 3 ％IFFT Size 128 ％ 信道最大时延 2-OFDM waveform procedures following subcarriers median number of 128% / 2% Symbol Symbol / Carrier 100% Tr
uwb_Figure
- This guide in matlab that get cm1-cm9 channel model and plot 7 figure such as power delay profile,excess delay, etc. -This is guide in matlab that get cm1-cm9 channel model and plot 7 figure such as power delay profile,excess delay, etc.
threeway
- 对3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真（不同p和delay 的取值来分别定义莱斯（瑞利）平坦衰落信道、莱斯（瑞利）频率选择性衰落信道).-For three fixed-path multipath AWGN channel of the QPSK system BER performance simulation (different values for p and the delay are defined Rice (Rayleigh) flat fading
datalink-selective 数据链路层—选择性重传协议
- 数据链路层的选择性重传协议的编写。在仿真环境下编程实现有噪音信道环境下 两站点之间无差错双工通信。信道模型为8000bps 全双工卫星信道，信道传播时延270毫秒，信道误码率 为10-5，信道提供字节流传输服务，网络层分组长度固定为256字节-The data link layer selective retransmission protocol preparation. In the simulation environment, programming environment,
crosscorr
- 此程序用来进行信道延迟，和序列互相关的。-This procedure used for channel delay, and the sequence of inter-related.
tgn_channel
- TGN五类信道的建模，包括了抽头时延，抽头功率，多普勒频移参数的建模。-TGN five-channel model, including a tap delay, tap power, Doppler frequency shift of the modeling parameters.
ofdm-siso
- 正交频分复用是一种多载波宽带数字调制技术。相比一般的数字通信系统， 它具有频带利用率高和抗多径干扰能力强等优点，因而适合于高速率的无线通信系统。- OFDM Simulator -------------------------------------------------------------------------------- MIMO OFDM Simulator: OFDM.m: OFDM Simulator (out
OFDMQAM
- 子载波数 128 位数/ 符号 2 符号数/ 载波 1000 训练符号数 0 循环前缀长度 8 (1/16)*T 调制方式 4-QAM 多径信道数 3 IFFT Size 128 信道最大时延 2 -Subcarriers median number of 128 percent/2 percent symbol symbol number/carrier training symbols 1000 a few 0 cyclic pre
jakes_model
- 使用Jakes所假设的模型，用来产生信道抽头延迟线模型中的抽头增益过程所需的多普勒频谱成形滤波器有多种实现方法。时域FIR滤波器是最常用的一种实现方法。-Assumed the use of Jakes model, used to generate the channel-tap-tap delay line model of the process gain the necessary Doppler spectrum shaping filter has a variety of impl
multipathrayleigh
- 自己编写的关于MIMO 的瑞利衰落信道仿真程序延时为1 2 4-I have written on the MIMO Rayleigh fading channel simulation program delay for the 124
underwter
- 讲述浅海水声信道下的多途时延估计方法，供声学方向的学生学习参考-About the shallow water acoustic channel under the multi-path delay estimation method for the acoustic direction of student learning reference
channel
- FIR model to use for the multipath delay. e.g. Multi=[1 0 0 0 0.5], has the direct signal at time 0, and a single reflection of 50 strength of the direct signal at a delay of 4 samples. MISC: 1. Over-Sampling: This sets the am
Codes
- The main code is called "comparison of equalization schemes". It uses functions, defined seperately to compute the bit error rate for different typs of equalizers. That means times domain equalizer (TDE) with minimum mean square (MMSE) and zero
IEEE_UWB_recommend_matlab-simulation
- 该压缩包包括两个m文件，一个为IEEE推荐的UWB信道模型的matlab仿真程序，另一个为对应的RMS时延扩展计算，并附带了一个文档文件作说明。-The archive includes two m files, one for the IEEE UWB channel model recommended by the matlab simulation program, and the other for the corresponding calculation of RMS delay s
pilotbasedchannelestimatininOFDMsystems
- 频域不同导频密度的信道估计在被研究，并且在高低时延信道其信道估计被固定了导频分配时域。频域信道估计是基于插补，多项式的广义线性模型（或最小二乘法）和维纳滤波（或线性最小均方误差法）的方法。时域的信道估计是用线性插补完成的。我们通过测量在基于克拉克散射模型的瑞利衰落信道上并带有QPSK调制的粗误码率，已经比较了所有这些方案的结果。-Different pilot density in frequency domain channel estimate to research, and its hi
MIMO-channel-simulation
- MIMO信道仿真，考虑了时延、多径、频谱扩散等因素，适合研究信道的学者-MIMO channel simulation, considering the delay, multipath, spectral diffusion, suitable for the research scholars of the channel
estimating-delay-time
- here we will estimate delay time added to the channel and we will plot the error
delay
- 在多径信道的建模中，改步骤实现对各条信道进行延时，最后将所有信道的信号相加-In the multi-path channel modeling, change step to achieve the various channel delay, and finally adding the signals of all channels
multipath-fading-channel
- this package can simulate a rayleigh multipath fading channel .by running the ,exam.m, the channel will be simulated.,siglfade can simulate a simple rayleigh channel . multipath.m use delay and siglefade to simulate a multiath fading channel.
8-channel-data-acquisition
- 用于实现基于PXI的Labview8通道数据采集延时合成的算法。延时值可自行设置，延时精度依赖于采集卡的采样率-Used to implement PXI-based Labview data acquisition delay synthesis algorithms. Delay value can set the delay accuracy depends on the sampling rate of capture card