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Description: 在COFDM传输过程中白噪声的影响。信噪比从0～20db，BER的变化。调制方式：BPSK/QPSK/16PSK-COFDM transmission in the course of white noise impact. Signal-to-noise ratio from 0 ~ 20db, BER changes. Modulation : BPSK/QPSK/16PSK
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Size: 14336 |
Author: 于蕾 |
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Description: 这是一个误码率QPSK的仿真的文件,很有用的哦!快来看一看!-This is a QPSK BER simulation files, very useful Oh! Come take a look!
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Size: 95232 |
Author: 舒冰清 |
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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)
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Size: 204800 |
Author: 老何 |
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Description: 瑞利衰落信道中空时编码仿真程序：
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12dB3.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-Rayleigh Fading Channels Space-Time Coding Simulation Program: 1.2 transmission antennas, a receiving antenna 2. The highest SNR 12dB, that is, simulation range of 0dB to 12dB3. In each signal to noise ratio conditions, the number of symbol error over 20 that is, to stop the signal to noise ratio under the conditions of simulation 4. each frame 24 QPSK data symbols
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Size: 5120 |
Author: 陈功 |
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Description: The software is capable to simulate space time code [1] for QPSK modulation using different number of state. Examples of generator matrix up to 256 stetes are provided. Variable signal to noise ratio (SNR) might be applied to produce bit error rate (BER) or frame error rate (FER) curves.-The software is capable to simulate space time code [1] for QPSK modulation using different number of state. Examples of generator matrix up to 256 stetes are provided. Variable signal to noise ratio (SNR) might be applied to produce bit error rate (BER ) or frame error rate (FER) curves.
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Size: 10240 |
Author: zhouyu |
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Description: Bit error probability curve for QPSK mimo 1*2,
Bit error probability curve for QPSK mimo 1*4-Bit error probability curve for QPSK mimo 1*2,
Bit error probability curve for QPSK mimo 1*4
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Size: 2048 |
Author: vinodh kumar |
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Description: 一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道：不考虑通信信道信号时，由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。-A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modulation, channel for AWGN (additive white Gaussian noise channel) channel (AWGN channel: do not consider communication channel signals, described by the scope of broadband wireless random statistical noise.). At the receiving end for despreading, demodulation, judgments, through the simulation to be one of a user' s bit error rate and SNR of the simulation results.
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Size: 9216 |
Author: jehuty |
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Description: 提出了一个采用(2,1,7)卷积码+QPSK的中频调制解调方案,并在Xilinx公司的100万
门FPGA芯片上实现了该系统。该系统在信噪比SNR为6dB左右时可实现速率超过1Mbit/s、误码率
小于10-5的数据传输。
-Proposed a use of (2,1,7) convolutional code+ QPSK modulation and demodulation of the IF program, and in Xilinx' s FPGA chip one million on implementation of the system. The system SNR to 6dB signal to noise ratio at about the rate may achieve more than 1Mbit/s, less than 10-5 bit error rate of data transmission.
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Size: 62464 |
Author: 张同星 |
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Description: Passing signal to AWGN channel after QPSK modulation and plotting BER at SNR
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Size: 1024 |
Author: hamedvahedian |
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Description: 实现QPSK的仿真，画出误码率和信噪比的曲线-QPSK simulation to achieve, draw the curve of error rate and SNR
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Size: 3072 |
Author: 贾启胜 |
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Description: *Demonstrate convolutional encoding and decoding
*Simulate BER for QPSK and BPSK, plot and then **compare the result with the theoretical value.
*compare SER of the Rake and ML.
– Symbols are taken randomly from QPSK.
– Run the simulation for different SNR until at least
50 symbol errors are found
– Plot the figure with x-coordinate in SNR (dB) and ycoordinate
in SER. (Matlab function semilogy)
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Size: 7168 |
Author: inbustrious |
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Description: OFDM系统，调制方式QPSK，查看星座图，分析误码率-OFDM systems, modulation QPSK, view the constellations, the bit error rate analysis
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Size: 1024 |
Author: cai |
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Description: Q-PSK matlab code ber snr noise sim
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Size: 1024 |
Author: gil |
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Description: 基于ofdm的信道系统源代码，包括调制、解调等。函数功能 ： 实现数据的QPSK调制—PLC信道传输—BPSK解调—得到误码率- is_noise 是否添加噪声：0 否，1 是
is_convenc 是否进行卷积编码： 0 否 , 1 是 ；——信道编码
interout 交织输出 interin 交织输入
chan_type PLC信道类型：0 无多径，1 四径模型，2 11径模型，3 AR模型，4 FIR模型；
snr 信噪比
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Size: 28672 |
Author: tan |
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Description: 分别编写BPSK与QPSK调制解调系统的Matlab仿真程序，要求：发送滤波器与接收滤波器均为根升余弦滚降滤波器；信道噪声为加性高斯白噪声
绘制BPSK与QPSK调制下的误码率与信噪比曲线图，并与理论曲线比较对比-They were written BPSK and QPSK modulation and demodulation system Matlab simulation program requirements: a transmission filter and a reception filter are root raised cosine filter channel noise to draw error BPSK and QPSK modulation under additive white Gaussian noise rate and SNR graph, and compare and contrast the theoretical curve
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Size: 1024 |
Author: 管天 |
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Description: 各种数字调制解调方法的MATLAB实现，输出为信噪比图像。包括BPSK,DPSK,QAM,QPSK(包括有无格雷编码的对比)-A variety of digital modulation and demodulation MATLAB implementation of the method, the output SNR images. Including BPSK, DPSK, QAM, QPSK (including comparative Have Gray coding)
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Size: 6144 |
Author: 刘墨 |
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Description: ber vs snr plot of QPSK using matlab simulator
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Size: 1024 |
Author: karan |
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Description: QPSK MODULATION SNR-BER
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Size: 10240 |
Author: Dorathy |
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Description: QPSK,8PSK,16QAM等信号调制的信道容量与信噪比的关系matlab代码。(QPSK,8PSK,16QAM relationship between channel capacity and signal-to-nouse ratio.)
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Size: 1024 |
Author: 沐子酱 |
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Description: 对OOK、BPSK、QPSK、16QAM、64QAM在水下信道传输的性能分析，作出信噪比-距离曲线。(The performance of OOK, BPSK, QPSK, 16QAM and 64QAM in underwater channel transmission is analyzed, and the SNR distance curve is made.)
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Size: 1024 |
Author: 于明鑫 |
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