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matlab
- 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_estimate_M2M4_QPSK
- 采用M2M4信噪比估计算法对QPSK调制解调器的接收端信噪比进行了估计-M2M4 SNR estimation algorithm on the the QPSK modem receiving end signal-to-noise ratio estimated
OFDM simulation matlab
- This file simulates OFDM using various modulations schemes The user chooses whether to use BPSK or QPSK ar 16-QAM. Then the code proceeds by inserting Cyclic Prefix and Pilot Signals This is followed by FFT (Fast Fourier Transform) A channel is simul
qpsk_ber
- 瑞利信道的仿真程序qpsk还有ber,snr仿真图形-Qpsk Rayleigh channel simulation program there ber, snr simulation graphics
consellation
- 在:1)理想无噪生条件,2)SNR=10dB,3)SNR=20dB,4)两径衰落信 道{0, 0}、{-6dB,-10symbol}条件下,分别产生 1000 个符号的 QPSK、8PSK、 16QAM 星座点, 画出信号序列的星座图, 提交电子版信号产生、 加噪、 显示的*.m 程序和电子版 WORD 报告。 报告要求给出原理描述、 框图和分析说明输出结果。-In: 1) an ideal noiseless Health conditions, 2) SNR = 10dB, 3)
Code-Final
- QPSK Modulation Demodulation, BER vs SNR plot
example_qpsk
- QPSK调制,分析误码率和信噪比之间的关系-QPSK modulation relationship analysis between BER and SNR
mimoqpsy_ray
- MIMO传递中的QPSK调制,分析误码率和信噪比之间的关系-MIMO transmission QPSK modulation, analyze the relationship between BER and SNR
QPSKpassAWGN
- 发送装置:随机信号产生、脉冲成型(上采样可调,滚降可调); 发送:AWGN信道(信噪比范围可调) 接收设备:QPSK调制解调 ,匹配滤波,判决 画出接收信号的眼图、星座图;计算误码率并与理论值比较。 -Transmitting device: random signal generator, pulse shaping (the sampling adjustable, adjustable roll-off) Send: AWGN channel (SNR ra
qam16
- 无线通信qpsk调制键控移相调制(QPSK):调制效率高,要求传送途径的信噪比低,适合卫星广播。 -The wireless communication phase shift keying modulation qpsk modulation (QPSK): high modulation efficiency of the transmission path low SNR required for satellite broadcasting.
THE3
- a Matlab code that produces a plot of probability of bit error rate for QPSK versus SNR for three receive antennas, and three different combining methods: MRC, equal gain combining, and selection combining. The plot is generated by using Monte Carlo
three different combining methods: MRC, equal gain combining, and selection combining
- a Matlab code that produces a plot of probability of bit error rate for QPSK versus SNR for three receive antennas, and three different combining methods: MRC, equal gain combining, and selection combining.generate the plot using Monte Carlo simulati
qqppsskk
- 信号经过格雷码编码之后qpsk传输,研究信噪比。-After Gray coded signal transmission qpsk, research SNR.
ofdm802.11a
- 简化的OFDM系统仿真,其中暂未考虑扰码和卷积码,物理层参数采用802.11a参数,1个长训练符号与6个OFDM数据符号构成1帧,信道为单径rayleigh衰落信道,其中最大多普勒频移为100Hz,信噪比0-30dB,调制方式为QPSK和16-QAM。-Simplified OFDM system simulation, which yet consider scrambling and convolution codes, physical layer parameters using 802
repeat8psk
- 在信噪比从0到30dB的范围内产生8PSK,bpsk,qpsk,16qam,64qam信号,通过AWGN信道,并计算信号的高阶累积量和二阶矩,可以用于盲检测-Produce SNR range 0 to 30dB of 8PSK, bpsk, qpsk, 16qam, 64qam signal through AWGN channel, and calculates the signal higher order cumulants and the second moment, can be
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
WIMAXsource
- WIMAX_WZ_withencoding:信道估计,相位噪声补偿,频偏估计,编解码都有 WIMAX_WZ_withoutencoding:在上面的工程基础上,去掉编解码部分 WIMAX_WZ_withoutprocessing:在上面的工程基础上,再去掉相位噪声补偿,频偏估计 WIMAX_WZ_withoutprocessing2:在上面的工程基础上,改用新的前导和导频联合信道估计方案,参考文档《基于802_16d标准的OFDM信道估计技术的研究与实现.kdh》 因为白噪
MRC
- qpsk through the channel SNR estimation
ex6
- QPSK信号在AWGN信道下的仿真,画出了发射信号与接受信号的星座图以及BER和SER随SNR变化的曲线-QPSK signal is simulated in the AWGN channel
MatlabSimulation
- 通信系统设计,数字带通传输系统仿真Matlab代码 1. 比较BPSK与QPSK两种调制方式的误码率和误比特率性能(注意QPSK的误码率不同于误比特率),横坐标为SNR,并与理论曲线比较,分析解释仿真图。 2. 要求使用Matlab/C语言/Matlab-simulink中的任一种工具实现。 3. 代码中每个模块都要有详细注释说明。 -Communications systems design, digital bandpass transmission system simul