搜索资源列表
OFDM_64QAM_R14
- OFDM64QAM的模块,simulink搭建的,希望对大家有用-OFDM64QAM modules, simulink structures, and I hope useful for everyone
ofdm_system
- OFDM系统仿真程序, 基于matlab平台,是采用4QAM调制。-OFDM system simulation program, based on matlab platform is 4QAM modulation.
OFDMQAM
- 子载波数 128 位数/ 符号 2 符号数/ 载波 1000 训练符号数 0 循环前缀长度 8 (1/16)*T 调制方式 4-QAM 多径信道数 3 IFFT Size 128 信道最大时延 2 -Subcarriers median number of 128 percent/2 percent symbol symbol number/carrier training symbols 1000 a few 0 cyclic pre
BPSK_flat_fading_BER
- BPSK with flat fading effects
bssalgorithm
- 自己编写的,盲源分离算法仿真分析系统(图形界面)又名:独立分量分析;算法种类:自然梯度算法、投影自然梯度算法、FastICA、SOBI、NJD非正交联合对角化。信号种类: MASK:2ASK,4ASK,8ASK MPSK:2PSK、4PSK、8PSK MFSK:2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种 MQAM:16QAM、32QAM、64QAM、128QAM OFDM:子载波数可任意选定,映射方式有BPSK、QPSK、4QAM、16QAM、
4QAM_symbo_lerror_rate
- scr ipt for simulating QPSK(4-QAM) transmission and reception and compare the simulated and heoretical symbol error probability
matlab_balanced
- 对16QAM和4QAM信号的几种常见的均衡技术的MATLAB程序-16QAM and 4QAM signals on several common Equalization MATLAB program
ejemplo_tabor_send_data
- Generate 4QAM sistem
OFDM-MATLAB
- 这里面有两个程序,两个都是采用4QAM调制。不过个人觉得第一个更容易懂,因为写的很有条理。我改的那个程序就是根据这个来的。 不过在这里面有个问题就是信道系数只能是由高到低,大家可以试试,改成[0.227 0.46 0.688 0.46 0.227]这个是老师给我的仿真中常用的信道系数,这个成为归一化信道,就是系数平方和为1. 第二个程序没有涉及到信道系数,但是这个程序当中,在128个子载波中,前后有32个空载波,这个在OFDM中也是经常用的,这样可以降低误码率。 -And there
qam_cma
- 通信系统的4qam盲均衡程序,希望对大家有点帮助-Communication systems 4qam equalization program, we hope to be helpful
QAM_coding
- 介绍OFDM信号的基本特征 4qam编码原理及实现-OFDM qam
genconst
- 采用蒙特卡洛方法,模拟 BPSK (M=2), 4QAM (M=4), 8PSK (M=8), 16QAM (M=16) and 64QAM (M=64) 编码-produce constellation of BPSK (M = 2), 4QAM (M = 4), 8PSK (M = 8), 16QAM (M = 16) and 64QAM (M = 64)
PROGRAM-SIMULASI
- melihat simulasi OFDM dengan 4QAM modulasi
7456
- Besides calculating the SER verses Eb/No for the various levels of QAM, The m-file shows the coding gain required to closely approach Shannon s channel capacity limit for 4QAM,16QAM,64QAM,256QAM and 1024QAM. Notes are given at the end of the m-file
OFDM_4QAM
- 4QAM调制,OFDM模型,对于学习OFDM有用。-this is model about ofdm ,use 4QAM, i wish that this can help you.
14
- 随着信息容量的增加和频率资源的稀缺,为提高单位频带利用率,在微波通信系统中越来越多地采用多电平多相位的复杂信号调制方式,尤其是正交幅度调制(QAM)得到了大量的应用,从早期的4QAM到今天的16QAM。高阶QAM调制大容量数字微波通信系统为了保证服务质量,降低误码率,-long with the increase of information capacity and frequency resource scarcity, for improving the utilization ratio
OFDM
- 文件中含有ofdm仿真的全过程,包4qam,8qam形式进行调制、解调,转换等过程-Ofdm simulation file contains the entire process, including 4qam, 8qam form of modulation, demodulation, conversion process
OFDM_MATLAB
- 一个完整的OFDM信号模拟程序,在4QAM调制下估计了OFDM的性能。-A complete OFDM signal simulation program, estimated at 4QAM modulation OFDM performance.
mycommdocbertool4_1
- 4QAM modulation using BERTOOL
ofdm1
- 由MATLAB程序产生2Gbi/s的基带OFDM信号先将2^15-1个伪随机序列映射到256个进行4QAM编码调制的子载波上,编码后的OFDM符号再经过IFFT变换将其转换为时域波形,接着添加6.4ns的循环前缀(CP),产生的数据波形再装载到Tektronix任意波形发生器(AWG)中,产生2Gbit/s的基带OFDM信号。基带OFDM信号频谱示意图如图3所示。其中包括256个OFDM子载波256个子载波中200个子信道用来传送数据信号,27个高频和28个低频子信道为了过采样的需要置0,OFD