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 Platform: |
Size: 2291 |
Author:xoaxiao |
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Description: ：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-: 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 Platform: |
Size: 4714 |
Author:xoaxiao |
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Description: This simulation simulates coded OFDM using RS Code over wireless channel
This simulation simulate wireless Coded OFDM over mobile multipath fading channel. The model use QPSK, Reed-Solomon Channel Coding, and training based channel estimation
-This simulation simulates coded OFDM usin g RS Code over wireless channel This simulation simulate Coded OFDM wireless mobile multi over path fading channel. The model use QPSK. Reed-Solomon Channel Coding, and training based channel estimation Platform: |
Size: 12537 |
Author:马瑞 |
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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 Platform: |
Size: 2048 |
Author:xoaxiao |
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Description: This simulation simulates coded OFDM using RS Code over wireless channel
This simulation simulate wireless Coded OFDM over mobile multipath fading channel. The model use QPSK, Reed-Solomon Channel Coding, and training based channel estimation
-This simulation simulates coded OFDM usin g RS Code over wireless channel This simulation simulate Coded OFDM wireless mobile multi over path fading channel. The model use QPSK. Reed-Solomon Channel Coding, and training based channel estimation Platform: |
Size: 12288 |
Author:马瑞 |
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Description: ofdm系统matlab仿真m程序，包括信道编解码，多径信道，信道估计以及误码率统计等功能-matlab simulation m OFDM system procedures, including channel coding and decoding, multi-path channel, channel estimation, as well as features such as bit error rate statistics Platform: |
Size: 141312 |
Author:李辉 |
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Description: 4QAM调制的OFDM多径传输，对不同的信道估计算法的误码性能进行比较-OFDM modulation 4QAM multi-path transmission, for different channel estimation algorithm to compare the BER performance Platform: |
Size: 3072 |
Author:闫哲 |
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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. Platform: |
Size: 31744 |
Author:曾茉 |
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Description: carrier_count= 200
bits_per_symbol = 2
symbols_per_carrier = 50
loop=10
num=5
循环次数 10
子载波数 200
位数/ 符号 2
符号数/ 载波 50
训练符号数 5
循环前缀长度 T/4
调制方式 QAM
多径信道数 2（缺省）
信道最大时延 5 (单位数据符号)
仿真条件 收发之间严格同步
一个OFDM系统 在瑞利信道环境下 包括信道估计 比较适合初学者-carrier_count = 200 bits_per_symbol = 2 symbols_per_carrier = 50 loop = 10 num = 5 10 cycles 200 of the median number of subcarriers/symbol and the number of symbols of 2 /50 of the carrier the number of training symbol cyclic prefix length of 5 T/4 modulation QAM Number of multi-path channel 2 (default) 5 channel maximum delay (in the data symbol) strict synchronization between the simulation conditions receive an OFDM system in Rayleigh channel environment, including more suitable for channel estimation beginner Platform: |
Size: 2048 |
Author:Mir Ge |
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Description: 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 Platform: |
Size: 1024 |
Author:kanniyappan/AIHT |
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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。
(2) 设频率已同步，请设计OFDM一种具体的采用循环前缀进行时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。
(3) 设时间已同步，请设计OFDM一种具体的采用循环前缀进行频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。
-。
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 curve, draw-bit signal to noise ratio and bit error rate curve.
(2) set the frequency has been synchronized, the design of a specific OFDM cyclic prefix used for time synchronization method, the Simulink simulation, draw-bit signal to noise ratio and capture probability curve.
(3) set time has been synchronized, the design of a specific OFDM cyclic prefix used for frequency synchronization method, the Simulink simulation, draw-bit signal to noise ratio and frequency synchronization error curves. Platform: |
Size: 175104 |
Author:童俊贺 |
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Description: 在多径分量数确定的前提下,MIMO-OFDM系统采用传统的基于导频辅助和盲信道估计算法能获得较好性能。实际无线环境中,多径分量数目与幅度都是时变的,则传统信道估计方法不再适用。该文采用随机集理论建模MIMO-OFDM系统信道多径分量数的变化和MIMO信道。基于此模型提出了集中粒子空间重采样方法(CRS),在保留大概率粒子抽样样本的同时主动抛弃小概率抽样样本,以获得更为准确的真实样本逼近。并提出了基于集中重采样Rao-Blackwellised粒子滤波的信道估计方法(RBPFC)。仿真结果表明:所提出的RBPFC方法信道估计性能最好,基本Rao-Blackwellised粒子滤波方法次之但优于基本粒子滤波算法,卡尔曼滤波的信道估计方法性能最差。-The typical pilot-aided and blind estimation method for MIMO-OFDM channel can achieve good performance when the number of multi-path components is constant.However,in the practical wireless environment,the number of channel taps and amplitude are all unknown and time-varying in whole process,thus typical estimation methods are not suitable.In this paper,the channel-taps varying condition and a new channel model are established by using RST theory.Based on this model,the re-sample method by Concentrating pa... Platform: |
Size: 610304 |
Author:王睿 |
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Description: IEEE 802.11a系统OFDM仿真。假设OFDM系统物理层采用802.11a系统物理层参数，其中，1个长训练符号与6个OFDM数据符号构成1帧，信道为单径瑞丽衰落信道，接收端采用理想信道估计和利用训练符号进行信道估计时的误比特性能-IEEE 802.11a system OFDM simulation
Assuming that the OFDM system physical layer uses the 802.11a physical layer parameters, among them, 1 long training symbols and 6 OFDM data symbol consisted of 1 frames, the channel into a single path Ruili fading channel, the receiver uses the ideal channel estimation and utilizes the training symbols to estimate channel bit error performance of the Platform: |
Size: 2048 |
Author:方源 |
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Description: Matlab实现界面友好，有信道编码，调制，信道估计等，是路径规划的实用方法，MIMO OFDM matlab仿真,表示出两帧图像间各个像素点的相对情况。- Matlab to achieve user-friendly, Channel coding, modulation, channel estimation, Is a practical method of path planning, MIMO OFDM matlab simulation, Between two images showing the relative circumstances of each pixel. Platform: |
Size: 9216 |
Author:pgnijmn |
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Description: 包括广义互相关函数GCC时延估计，FMCW调频连续波雷达的测距测角，含噪脉冲信号进行相关检测,单径或多径瑞利衰落信道仿真，迭代自组织数据分析，MIMO OFDM matlab仿真,使用拉亚普诺夫指数的公式。- Including the generalized cross-correlation function GCC time delay estimation, FMCW frequency modulated continuous wave radar range and angular measurements, Noisy pulse correlation detection signal, Single path or multipath Rayleigh fading channel simulation, Iterative self-organizing data analysis, MIMO OFDM matlab simulation, Raya Punuo Fu index using the formula. Platform: |
Size: 6144 |
Author:ifhtykefx |
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Description: 包括脚本文件和函数文件形式，是路径规划的实用方法，滤波求和方式实现宽带波束形成，包含位置式PID算法、积分分离式PID，利用贝叶斯原理估计混合logit模型的参数，通过虚拟阵元进行DOA估计，MIMO OFDM matlab仿真,有CDF三角函数曲线/三维曲线图。- Including script files and function files in the form, Is a practical method of path planning, Filtering summation way broadband beamforming, It contains positional PID algorithm, integral separate PID, Bayesian parameter estimation principle mixed logit model, Conducted through virtual array DOA estimation, MIMO OFDM matlab simulation, There CDF trigonometric curve/3D graphs. Platform: |
Size: 5120 |
Author:kquuxfrmn |
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Description: 包括脚本文件和函数文件形式，是路径规划的实用方法，滤波求和方式实现宽带波束形成，包含位置式PID算法、积分分离式PID，利用贝叶斯原理估计混合logit模型的参数，通过虚拟阵元进行DOA估计，MIMO OFDM matlab仿真,有CDF三角函数曲线/三维曲线图。- Including script files and function files in the form, Is a practical method of path planning, Filtering summation way broadband beamforming, It contains positional PID algorithm, integral separate PID, Bayesian parameter estimation principle mixed logit model, Conducted through virtual array DOA estimation, MIMO OFDM matlab simulation, There CDF trigonometric curve/3D graphs. Platform: |
Size: 10240 |
Author:kquuxfrmn |
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