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2-4transform
- 编写的是2-4进制转换的功能函数，而进制转化是进行QAM调制的必须元件，而且可根据次程序进行编写其他进制的转换-hexTransform is necessary to modulation for example MQAM
DigModTutorial
- 介绍通信系统基本结构的simulink仿真程序，包括了脉冲成形，OOK，BPSK，4-ASK，QPSK，Offset-QPSK,MSK,16-QAM的调制解调simulink仿真，可以观察的调制波形和误码率。-This tutorial program introduces the infrastructure of commnication system in simulink form.It contains the simulation of Pulse Shape,OOK，BPSK，4-
16QAM
- 仿真练习（第六次刘课件中有关于噪声的添加方法） ？ 编写一个含QAM传输的发送和接收模块 ？ 分别采用复基带仿真和实带通仿真两种形式 ？ 复基带仿真时过采样率为4倍,实带通仿真时过采样率为20倍, 实带通仿真时, 载波频率为符号率的4倍 ？ 发端采用滚降系数0.5的根号升余弦滤波器 ？ 画出Eb/N0=15dB时的接收波形(收滤波前),取100个采样 ？ 画出发端输出的眼图和收端过匹配滤波后的眼图(画眼图时不加噪声) ？ 统计
QAM000000
- ofdm QAM仿真 在AWGN信道下 i*2*pi/4)*exp(i*.2*pi/4)+exp(i*4*pi/4)*exp(i*.4*pi/4)+exp(i*6*pi/4)*exp(i*.6*pi/4-simulation of OFDM with QAM modulationi*2*pi/4)*exp(i*.2*pi/4)+exp(i*4*pi/4)*exp(i*.4*pi/4)+exp(i*6*pi/4)*exp(i*.6*pi/4
homework2
- 通信系统与仿真作业： 1）设计π/4-DPSK或16-QAM调制器仿真程序， 画出时域波形、 正交分量、同相分量波形，眼图，散点图等。 2）利用MATLAB进行DPSK在高斯信道下的BER性能仿真，并将结果与PSK性能进行比较。 3）已知 OFDM的数据传输速率为19.2Kbps， OFDM 符号长度为320，保护间隔为32点，子载波数为128，IFFT/FFT点数为256，载波频率320KHz，调制方案采用QPSK，仿真其在高斯信道下的BER性能。 -Communication
OFDM_basic
- 多输人多输出(MIMO)技术是第三代和未来移动通信与个人通信系统实现高数据速率，提高传输质量 的重要途径[1 ]。目前MIMO系统中使用的发射方案主要包括：①贝尔分层空时结构BI STA(Bell Layered Space Time Architecture)[。 ；②正交空时分组码OSTBC(Orthogonal Space Time Block Coding) ；⑧空时 格型编码STTC(Space Time Trellis Coding) 。-Motivated by the
qrm
- QRMMLD算法主程序 仿真 应用 需要主程序调用 请自行解决-Motivated by the need for high throughput sphere decoding formultipleinput- multiple-output (MIMO) communication systems, we propose a parallel depth-first sphere decoding (PDSD) algorithm that provides the advan
QAM161
- 一个QAM16调制方式的verilog设计，包括4个verilog源代码，能够构成一个完整的QAM调制器-A QAM16 modulationVerilog design , including four verilog source code, which can form a complete QAM modulator
Multipath
- 1.AWGN条件下QPSK、16QAM、64QAM的仿真；2.单径及多径瑞利信道下三种调制的仿真；3.100MHz多径莱斯信道下三种调制的仿真；4.100MHz多径信道下三种调制的Matched Filter Bound(MFB)仿真-1. Under the condition of AWGN QPSK, 16 qam and 64 qam simulation 2. Single diameter and multipath Rayleigh channel under three kind
OFDM_64QAM_R14
- QAM 4,16,64 OFDM DC useful -QAM 4,16,64 OFDM DC useful
Bit-error-rate
- Matlab code for bit error rate of 1.BPSK 2.QAM in guassian channel 3.QAM in rayleigh channel 4.QPSK in guassian channel 5.QPSK in rayleigh channel
ML_CSI
- 3*4 OSTBC最大似然检测 16QAM调制信号，可用-coherent ML detection for blind ML problem with 64-QAM signaling
E8_1_QAMModem
- 仿真4比特原始数据与星座图的编码映射过程； 完成16QAM信号的调制解调； 绘制16QAM信号的频谱及时域波形； 采用相干解调法仿真其解调过程； 绘制解调前后的基带信号时域波形； 将原始基带数据、QAM已调数据、滤波器系数写入相应的文本文件中。-Simulation of 4-bit coded mapping process raw data constellation complete 16QAM modulation and demodulation signal
mimoofdm
- Channel estimation for a MIMo ofdm No.of Carriers: 64 coding used: Convolutional coding Single frame size: 96 bits Total no. of Frames: 100 Modulation: 16-QAM No. of Pilots: 4 Cylic Extension: 25 (16) - Channel estimati
BERforQAM
- BER of QAM at Different bitrates, The resulting bit error rate the Monte Carlo simulation for the different QAM bit rates (4 to 1024) have been exported to the Matlab workspace as a vector of error values for each bit rate versus the noise powe
QPSK
- QPSK Modulator de-Modulator Simulate 4 level QAM modulation with white noise
MQAM_MODULATION
- 用matlab实现多进制QAM调制，适用于4/16/64QAM调制。均正确-this matlab-program has been adopted,the result is right.
Untitled2
- 对2ask,4ask,2fsk,4fsk,16qam,2psk,4psk七种基本的数字信号的R参数的提取MATLAB例称-The 2 ask, 4 ask, 2 FSK, 4 FSK, 16 qam, 2 PSK, 4 PSK seven basic digital signal R parameter extraction MATLAB said
t4r4_stbc
- 4根发送天线，4根接收天线，空时编码，采用QAM调制-4 transmit antennas, 4 receive antennas, space-time coding，QAM is adopted
coherent-modulation-techniques
- Theortical BER for uncoded AWGN channels for all cases, the function assumes the use of a Gray-coded signal constellation. QAM order M must be at least 4. When k=log2(M) is odd, a rectangular constellation of size M=I×J is used. berlb_CPFSK: returns