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ofdm_cp
- 基于循环前缀的同步算法仿真,采用多符号求均值的办法减少噪声影响。
OFDM
- OFDM的原理在matalb中实现源代码,包括FFT和IFFT,加入保护间隔,循环前缀和子载波等。-Principle of OFDM is implemented in matalb source code, including FFT and IFFT, adding guard interval, cyclic prefix and sub-carrier, etc.
CRCcode-c
- 讲解循环冗余校验的原理以及实现的方法,对学习通信校验很有帮助-To explain the principles of CRC, as well as the realization of the method, useful for learning communication check
ofdmmatlabsimulation
- OFDM系统的完善性能仿真,包括同步、频偏、循环前缀等。-ofdm system simulation
OFDM_sync
- ofdm基于循环前缀的同步算法,很实用,调试通过了的-ofdm synchronization algorithm based on cyclic prefix
OFDM2
- 1. 该程序进行了简单的LMS信道估计,没有加入与MMSE等其他信道估计算法的比较; 2. 程序中循环前缀的设置,作者称是25%的CP,但是从矩阵的构造并不能看出这一点 并且CP为Zero-CP,需要加入与真正复制了数据样值的循环CP系统进行性能对比 3. 仿真条件为系统处于理想同步情况下。 -1. The program had a simple LMS channel estimation, not joined with the MMSE channel estim
CRSystemInMatlab
- CR的常用物理层检测算法包括:匹配滤波检测、能量检测和循环平稳特征检测。-CR Common physical layer detection algorithm include: matched filter detection, energy detection and cyclostationary feature detection.
DOA_2
- this file simulate a MUSIC function for DOA estimation
resuit
- 循环检测在认知无线电中应用与学习仿真对一般信号有较好检测性能-Loop detection in cognitive radio simulation application and learning
ml_tongbu
- ml时频同步算法,基于OFDM系统的。子载波数 128 位数/ 符号 2 符号数/ 载波 100 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-ml frequency synchronization algorithm, based on the OFDM system. Digit of the number of subcarriers 128 /2
rx_move_cyclic_prefix
- OFDM系统接收机移除循环前缀,代码本人亲自撰写,如有疑问可讨论之-the rx_move_cyclic_prefix function of the OFDM system
CP-ML
- 基于循环前缀的同步链路,包括调制解调等流程-Cyclic prefix based synchronization link, including the modulation and demodulation process
convolution_codes_BPSK_OFDM
- 基于OFDM系统的卷积码的误码性能分析,BPSK调制,加循环前缀,导频,进行了信道估计。-OFDM system;convolutional code BPSK modulation pilot Channel Estimation
CP
- 在研究了超高速OFDM系统传输模型的基础上,对OFDM系统的传输信号结构进行了分析,结合传统的多普勒频移算法,用OFDM信号循环前缀所包含的相对频偏信息设计了实时性较好的多普勒频移估计方法,并分析了多径效应对于循环前缀数据的“污染”效应,对该算法进行了优化,提高了算法的频移估计性能,并对该算法进行了性能验证。-Based on the study ultra-high-speed transmission of OFDM system model, the OFDM signal structu
ml
- OFDM中基于循环前缀的最大似然估计同步算法仿真-Simulation of OFDM synchronization algorithm based on maximum likelihood estimates of the cyclic prefix
SM_4_4_16QAM
- SM系统matlab程序,传输天线、接收天线数量可调,信号调制方式可调,循环次数可调。最后生成BER性能曲线,并将不同SNR下的BER数据存储到mat文件中。-SM system matlab program, the number of transmission antennas, a receiving antenna is adjustable, adjustable signal modulation scheme, the number of cycles is adjustable.
64QAM-ofdm
- 本程序是对64QAM-OFDM的调制解调及加AWGN的简单程序。做成GUI形式,能方便地梳理清楚整个过程。调制解调过程中加入了导频和CP循环前缀,可观察EVM和EbN0-BER曲线。-this program is about the modulation and demodulation based on Matlab.A simple program to familiar with the process of 64QAM-OFDM.Using reference and CP. You
对OFDM信号的频谱感知的循环特征检测
- 对802.11协议模拟的OFDM信号的两种速率6Mbps(BPSK调制)和12Mbps(QPSK调制)进行循环谱检测来验证对OFDM信号检测的可行性。(Cyclic spectrum detection is performed on two rates of OFDM signals simulated by the 802.11 protocol, 6 Mbps (BPSK modulation) and 12 Mbps (QPSK modulation) to verify the fea