Description: 这是我们通信建模与仿真书上的程序,是白噪声&瑞利信道下对OFDM的仿真实现。-This is our communication on Modeling and Simulation on the procedures, White Noise & Rayleigh Channel on OFDM Simulation. Platform: |
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Author:wangping |
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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: |
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Author:xoaxiao |
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Description: 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。-The program source code to achieve the performance of OFDM communication system simulation, modulation has BPSK, QPSK, MSK, QAM, for the AWGN channel and Rayleigh channel, and have inserted the line with the IEEE802.11a pilot of OFDM system simulation. Platform: |
Size: 176128 |
Author:郭顺利 |
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Description: 主函数Alamouti(Nr,max_snr,max_err_symbol,symbol_per_frame)
调用函数QpskMapping(psudo_bit_sequence)--二进制数据到QPSK信号的变换
调用函数RayleighCH(Nr,Nt)--瑞利衰落信道模拟
仿真示例:
Alamouti(1,12,20,24)
说明:
1.2根发射天线、1根接收天线
2.最高信噪比为12dB,即仿真范围为0dB到12dB
3.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真
4.每一帧数据为24个QPSK符号
综合仿真函数SimAlamouti(max_snr,max_err_symbol,symbol_per_frame)
具有一根接收天线系统的SER性能与二根接收天线的系统SER性能比较
SimAlamouti(12,20,24)-The main function Alamouti (Nr, max_snr, max_err_symbol, symbol_per_frame) function call QpskMapping (psudo_bit_sequence)- binary data to the QPSK signal transformation function call RayleighCH (Nr, Nt)- Rayleigh fading channel Simulation Example: Alamouti (1,12 , 20,24) Description: 1.2 transmission antennas, a receiving antenna 2. the highest SNR 12dB, that is, simulation range of 0dB to 12dB 3. in each signal to noise ratio conditions, the misuse of symbols that stop a few more than 20 The signal to noise ratio under the conditions of simulation 4. each frame of data for the 24 QPSK symbols integrated simulation function SimAlamouti (max_snr, max_err_symbol, symbol_per_frame) with a receiving antenna system SER performance and two receive antenna system SER performance comparison SimAlamouti (12,20,24) Platform: |
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Author:老何 |
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Description: OFDM的仿真程序,经过瑞利多径的仿真。其中子载波数为4.-OFDM simulation procedure, after the simulation of multipath Rayleigh. Subcarriers of which the number of 4. Platform: |
Size: 10240 |
Author:王丽 |
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Description: 3 MATLAB functions for simulation of OFDM signal in Rayleigh fading channel. Including models for OFDM frame generating, cyclic prefix, pramble, as well as model for Rayleigh channel, QAM modulation function and a example of test process. Platform: |
Size: 2048 |
Author:orange_jhy |
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Description: 包含OFDM系统仿真,星状导频仿真,瑞利信道估计以及FFT与DFT算法复杂度比较。集合了12个项目,呵呵。-Contains the OFDM system simulation, the astroid pilot frequency simulation, the Rayleigh channel estimates as well as FFT and the DFT algorithm order of complexity compares. Has gathered 12 projects, ha-ha. Platform: |
Size: 49152 |
Author:卡其米奇 |
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Description: OFDM信号瑞利衰落信道的matlab仿真,包括一个word文档以及仿真程序。-OFDM signals in Rayleigh fading channel matlab simulation, including a word document as well as the simulation program. Platform: |
Size: 11264 |
Author:daliu |
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Description: 我有一些Rayleigh信道相关的OFDM的matlab代码,大家可以看看说不定会有帮助呢。-I have some related Rayleigh channel the matlab code OFDM, we will look at it might be helpful. Platform: |
Size: 9216 |
Author:高春良 |
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Description: OFDM信号瑞利衰落信道的matlab仿真代码,,包括一个word文档和仿真程序。-OFDM signals in Rayleigh fading channel simulation matlab code, including a word document and simulation program. Platform: |
Size: 10240 |
Author:魏琴 |
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Description: Matlab的OFDM在多径Rayleigh信道下的同步
1. 假设频率已同步,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。
2. 设时间已同步,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.-Matlab-OFDM in multipath Rayleigh channel synchronization 1. Assume that the frequency has been synchronized, the design of a specific OFDM cyclic prefix for time synchronization method, using Simulink simulation to depict the bit signal to noise ratio and the capture probability curve. 2. Set up time is synchronized to design a specific OFDM cyclic prefix for frequency synchronization method, using Simulink simulation to depict the bit signal to noise ratio and frequency synchronization error of the curve. Platform: |
Size: 21504 |
Author:the13thstone |
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Description: MIMO-OFDM的matlab程序,包括接收和发送部分,采取了简化的信道模型。-the matlab program code for MIMO-OFDM, including the transmission and receiving model.it adopts a simple channel model Platform: |
Size: 5120 |
Author:psyche |
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