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LDPC编码译码MATLAB代码
- 基于随机生成的ldpc编码,AWGN信道,基于对数似然比的BP译码,可在不同的信噪比下得到不同的误码率
8
- 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-a
QAM
- 16qam调制，matlab语言实现，包括眼图，误码率，信噪比-16qam modulation, Matlab language, including eye diagrams and bit error rate, signal to noise ratio
multiple_access_protocols
- 系统分别对无线通信中的几种重要的多址接入协议进行了仿真，包括pure-ALOHA,slotted-ALOHA,CSMA以及ISMA，对每种协议的信噪比-误码率关系进行了分析。-Of wireless communications systems are in several important multiple access protocol simulation, including the pure-ALOHA, slotted-ALOHA, CSMA and ISMA, signal to
2008_5
- 在三条径的瑞利信道中，对于直接序列扩频： (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK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，请解释在误码率为0.01时，两种合并方式所表现的不同的物理意义。 (2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真(自己编写代码S-Function
xindaoguji
- 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-A guided night-aided channel estimation methods, using Simulink simulation, surveying BPSK BER performance, drawn-bit signal to noise ratio and bit error rate curve
BPSK-reliay
- 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
DS-CDMA
- 设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK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-Design of DS-CDMA code at a specific guide-assisted channel estimation method, the receiver, respectively, the combined use of all benefi
ofdm1
- 利用卷积编码和BPSK调制方式，关于高斯白噪声信道下信噪比与比特误码率关系的Simulink仿真-The use of convolutional coding and BPSK modulation on the Gaussian white noise channel ,the relationship between SNR and bit error rate using Simulink simulation
code
- 用Matlab进行BPSK系统发送、接收端的仿真，含有发送端、AWGN信道、匹配滤波、下采样、解调、计算不同信噪比下的误码率，并绘制BER曲线-Matlab simulation of BPSK receiving system，including AWGN channel, match filter, down sample,demodulation and BER calculation
1
- OFDM中不同信噪比对误码率性能的影响的matlab仿真的实验代码-Different OFDM bit error rate performance of SNR on the impact of the experiment code on matlab simulation
ofdm
- 对OFDM通信系统进行仿真，使用AWGN信道，生成误码率与信噪比的仿真图形，并与理论图形进行比较-The simulation of the OFDM communication system, using the AWGN channel, BER and SNR generated graphic simulation, and compared with the theoretical graph
MATLAB
- 本程序用以仿真块状导频时不同信噪比条件下的误码率和均方误差，信道估计采用最小二乘法和改进的最小二乘法。 -The pilot program for the simulation block different SNR when the bit error rate and mean square error channel estimation using the least square method and the improved least square method.
cdma2000-codes
- cdma2000的Turbo码模拟，从编码到传输到解码，最后输出信噪比误码率曲线-the simulation of cdma2000 turbo code，from code to transport to decode，and the output is the line line of snr to ber
QAM
- 使用于初学Matlab的人，讲了QAM的调制解调以及误码率和信噪比的计算。-It is useful for the people who use the matlab first time. Both the modulation and the demodulation and the relationship between ber and snr are in the file.
kuopin
- 使用matlab及sinmulink对扩频系统进行仿真，并做出了误码率和信噪比的图形-To matlab and sinmulink spread spectrum system simulation, and make the BER and SNR graphics
bqpsk
- BPSK 与QPSK 调制解调系统的Matlab 仿真程序,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，并与理论曲线进行对比-BPSK and QPSK modulation and demodulation system Matlab simulation program, send and receive filters are root raised cosine filter roll-off fil
digital baseband transmission
- 用matlab仿真通信数字基带传输系统，并计算不同信噪比的误码率。(to simulate the digital baseband transmission system, and calculate the error rate of different SNR.)
2askSER
- 实现matlab下2ASK通过高斯白信道采用相干解调 的符号信噪比/误符号率/误比特率计算 。以及调制后波形的显示，包括2FSK仿真误码率','2FSK理论误码率图形。(Calculation of symbol signal-to-noise ratio / symbol error rate / bit error rate of 2ASK through coherent demodulation in white channel under matlab. And modulation
HARQ
- MATLAB实现了HARQ重传，分析误码率和信噪比间的关系，并可以修改最大重传次数(MATLAB implements the retransmission of HARQ, analyzes the relationship between the bit error rate and the signal to noise ratio, and can modify the maximum retransmission times.)