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Description: Simple two path Rayleigh fading channel
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Size: 929 |
Author: sijiu523 |
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程序用于生成单径和多经瑞利衰落信道.程序包含6种单径瑞利衰落信道生成方法及2种多径合成方法.-procedures used to produce single-track and multi-by Rayleigh fading channels. Procedures include six single-track Rayleigh fading channels Generation and two kinds of multi-path synthesis method.
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Size: 9216 |
Author: 尹伟 |
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Description: 简单混合衰落信道
This mfile inputs an unmodulated sinewave through a simple Rayleigh two path fading channel and shows the output with phase, gain, and attenuation characteristics via animation.
-simple mixed fading channel This mfile inputs an unmodulated sinewave through a simple two path Rayleigh fading channel and shows the output with phase, gain, and attenuation characteristics via animation.
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Size: 1024 |
Author: 李继泉 |
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Description: 两靖rayleigh衰落信道仿真。This m-file uses successive iterations of data to create an animated =
effect
％showing the results of passing an unmodulated carrier through a simple =
two
％path Rayleigh fading channel. The following formula and diagram
％illustrates the m-file operation. The animation shows, input(blue)
％and the output(red), the the phase shifts, gains, and attenuations
％of the output sine wave or carrier.-Two Jing Rayleigh fading channel simulation. This m-file uses successive iterations of data to create an animated = effect showing the results of passing an unmodulated carrier through a simple = two path Rayleigh fading channel. The following formula and diagram illustrates the m-file operation. The animation shows, input (blue) and the output (red), the the phase shifts, gains, and attenuations of the output sine wave or carrier.
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Size: 1024 |
Author: 刘美 |
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Description: 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 communication core technology. The article briefly introduces the basic principles of OFDM, focus on the ideal synchronous circumstances, Protection slot (counted ac cording) and different channel estimation method in Gaussian channel and multi-path Rayleigh fading channels of OFDM system performance. OFDM system is the model on the basis of MATLAB language of the entire system is computer simulation and reference design process
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Size: 2048 |
Author: xoaxiao |
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Description: 1、Rayleigh_Doppler_singlePath.m
产生单径Rayleigh衰落，采用了6种方法并进行了比较，推荐使用第6种方法；
2、Rayleigh_Doppler_multiPath.m
根据多条径的延时和强度，产生频率选择性衰落；
在单径和多径两个程序中，均提供了其功率谱的输出代码； -1, Rayleigh_Doppler_singlePath.m Single Path Rayleigh fading generated using the six kinds of methods and compared recommend using the first six kinds of methods 2, Rayleigh_Doppler_multiPath.m Drive under a number of delay and intensity, resulting in frequency selective fading in single-track and multi-path two procedures, which provide the power spectrum of the output code
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Size: 9216 |
Author: george |
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Description: Jakes模型Rayleigh信道仿真问题,包括不同路径的增益，时间偏差，采样频率，载波频率等参数-Jakes model Rayleigh channel simulation problems, including different path gain, time deviation, the sampling frequency, parameters such as carrier frequency
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Size: 1024 |
Author: chen |
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Description: (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因；
(2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理；
(3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。
-(1) in certain wireless channel, the Doppler frequency shift will be caused by wireless channel output signal aliasing. Please describe the resulting aliasing of a variety of reasons (2) wireless channel Doppler spectrum there is a classical spectrum (classic spectrum), please explain such a spectral shape of the mechanism (3) Please use Simulink tools for writing code ( S-Function mode), resulting in a single Path Rayleigh channel, the Doppler spectrum for the classical spectrum, including mobile rate of 120km/h. And please answer: prove that they used computer-generated classical spectrum is correct possible ways.
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Size: 56320 |
Author: haohao |
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Description: 8单径瑞利信道中的四发四收V-BLAST：
(1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量16QPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。
(2) 计算所设计方案的频谱效率是多少，单位为bit/Hz/s。-8 Single-Path Rayleigh Channel Four received four V-BLAST: (1) Please design a specific guide-assisted channel estimation method, using Simulink simulation, measurement 16QPSK modulation BER performance. Draw-bit signal to noise ratio and channel estimation mean square error curve, draw-bit signal to noise ratio and bit error rate curve. (2) calculate the design of spectrum efficiency is the number of units of bit/Hz/s.
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Size: 10240 |
Author: haohao |
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Description: Simulink产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。-Simulink produce one single-Path Rayleigh channel, the Doppler spectrum for the classical spectrum, one of the mobile rate of 120km/h.
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Size: 57344 |
Author: 华建 |
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Description: 在单径瑞利信道中，设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线.-In a single Path Rayleigh channel, the design of a guided night-assisted channel estimation method, using Simulink simulation, measurement BPSK BER performance, draw-bit signal to noise ratio and bit error rate curve.
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Size: 149504 |
Author: 华建 |
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Description: 用jakes模型编写瑞利衰落多径信道的仿真报告，包括实验原理，代码，仿真结果，以及实验分析。-Jakes model with the preparation of multi-path Rayleigh fading channel simulation, including experimental principle, code, simulation results and experimental analysis.
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Size: 282624 |
Author: lilyzou |
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Description: 共享偶的Rayleigh信道MatLab代码(单径+多径)\Rayleigh.rar-Sharing dual Rayleigh channel MatLab code (single-path+ multi-path) \ Rayleigh.rar
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Size: 9216 |
Author: lixiaoning |
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Description: NLOS multi-path channel model-Rayleigh fading implemented by matlab
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Size: 1024 |
Author: Denver |
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Description: 在simulink下建立了OFDM系统的仿真模型，并对所建模型进行了分析，同时在两径和六径瑞利衰落信道以及系统中有无交织下对其进行仿真，给出了仿真结果。-Established under the simulink simulation model of the OFDM system, and the model analyzed, while two tracks and six Path Rayleigh fading channel, as well as whether the system under its interwoven simulated simulation results.
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Size: 184320 |
Author: huoyudizhonghai |
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Description: 6. 在三条径的瑞利信道中，对于OFDM：
(1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。
-6. In the three path Rayleigh channel, for OFDM: (1) Please design a specific guide-assisted channel estimation method, the Simulink simulation, BPSK modulation measuring the bit error rate performance. Draw-bit signal to noise ratio and channel estimation mean square error of the curve, draw-bit signal to noise ratio and bit error rate curve.
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Size: 31744 |
Author: 曾茉 |
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Description: 基于Matlab的移动通信中多径衰落信道的仿真\基于多径传输和多普勒频移的 瑞利（Rayleigh）信道的仿真 主要考虑不同条件下的仿真-Matlab-based mobile communications in the multipath fading channel simulation \ based multi-path transmission and Doppler frequency shift of the Rayleigh (Rayleigh) channel simulation the main consideration of the simulation under different conditions
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Size: 120832 |
Author: 王明 |
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Description: 这是urban_macro信道加卷积编码的ofdm程序。
包含文件有：qpsk.m qpsk调制程序
deqpsk.m qpsk解调
ofdm_siglepath.m 单径瑞利衰落程序
sigle_path_conv.m 单径瑞利衰落信道加卷积编码程序
ofdm_urban_macro.m urban_macro信道的ofdm程序
ofdm_my.m urban_macro信道加卷积编码的ofdm程序
viterbi.m viterbi译码程序
cnv_encd.m 卷积编码程序
sigle_path_conv.fig 为单径瑞利衰落信道加卷积编码结果
ofdm_conv.doc 仿真报告-This is urban_macro channel plus ofdm convolutional coding procedures. Include files are: qpsk.m qpsk modulation demodulation process deqpsk.m qpsk ofdm_siglepath.m single Rayleigh fading process sigle_path_conv.m single Rayleigh fading channel plus convolution coding process ofdm_urban_macro.m urban_macro ofdm channel program ofdm_my.m urban_macro channel plus ofdm convolutional coding process viterbi.m viterbi decoding process cnv_encd.m convolutional coding process sigle_path_conv.fig single path Rayleigh fading channel plus convolution coding results ofdm_conv.doc Simulation Report
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Size: 51200 |
Author: loseword |
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Description: 文件包含两个m文件，一个是QPSK的主函数文件和单径的瑞利衰落信道fade.m文件，实现的对qpsk的过程进行了仿真（在瑞利和高斯信道的作用下）。绘制出了在各个阶段的波形图-M file contains two files, one file is the main function of QPSK and single path Rayleigh fading channel fade.m file qpsk the process of implementation of a simulation (in the Rayleigh and Gaussian channel under the action.) Drawn out at each stage of the waveform
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Size: 5120 |
Author: |
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Description: 设计一完整的移动通信系统物理层传输方案
(WiMAX场景)：
试设计一完整的移动通信系统物理层传输方案并用MATLAB程序实现，要求满足以下指标：
1. 数据速率：5km/hr的移动速度下可实现60Mbps，同时在120km/hr的移动速度下可实现10Mbps，且Eb/No小于20dB时可实现误比特率Pe <= 10-4
2. 信号带宽为20MHz，工作在2GHz频带
3. 信道模型: COST207模型的6径瑞利信道(可参考程序 multipath_code.zip)
请给出以下结果：
A．收发机结构框图，主要参数设定；
B．
误比特率仿真曲线。(考虑非理想同步和信道估计)；-Design a complete system for mobile communications physical layer transmission scheme (WiMAX scene): try to design a complete system for mobile communications and physical layer transmission scheme to achieve with the MATLAB program, requires the following indicators: 1. Data rate: 5km/hr mobile speed can achieve 60Mbps, while the movement in the 120km/hr speed can achieve 10Mbps, and Eb/No less than 20dB can be achieved when the bit error rate Pe < = 10-4 2. signal bandwidth of 20MHz, the work in the 2GHz band 3. channel Model: COST207 model 6 path Rayleigh channel (refer to program multipath_code.zip) Please give the following results: A. Transceiver block diagram, the main parameter settings B. BER simulation curves. (Taking into account non-ideal synchronization and channel estimation)
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Size: 5120 |
Author: wangjiayin |
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