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timing_recovery
- 定时恢复仿真程序，可以解决定时不准确造成的定时错误-timing recovery simulation program can solve the timing of inaccurate timing error
ML_cp
- 值得深刻阅读的基于CP的OFDM同步程序 这是一个非常好的用于OFDM的基于CP的 最大似然符号定时同步和载波同步的MATLAB仿真程序，经本人深入阅读吸收经典文献，反复编程调试而提炼而成，代码精炼有序，绝对没有错误，由此程序仿真得到的同步曲线与经典文献完全一致。同仁们阅读此程序一定受益匪浅！ 这里不吝成果，特上载与诸位网友共享。也欢迎同仁们提供更多的优秀程序。 由于文献要求采用N＝1024个子载波的OFDM，运行此程序需2分钟－3分钟的时间。 -Worthy of profound r
qpsksystem_SJSU_mdl
- QPSK modulation system with recover loops-This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. Th
TED_S_curve
- 本程序研究了在不同符号序列条件下，基本Gardner算法和一种修正Gardner算法的定时误差特性-This program studied the sequence of symbols in different conditions, the basic Gardner algorithm and a modified Gardner timing error characteristics of the algorithm
getPDF1
- In this paper, we investigate the timing and carrier frequency offset (CFO) synchronization problem in decode and forward cooperative systems operating over frequency selective channels. A training sequence which consists of one orthogonal fr
getPDF2
- In this paper, we investigate the timing and carrier frequency offset (CFO) synchronization problem in decode and forward cooperative systems operating over frequency selective channels. A training sequence which consists of one orthogonal fr
Up_timingBYM
- A timing error detector for Communication systems with simulink. # Required versions Matlab 5.2.1, Simulink 2.2.1 # File descr iption 1. ti_det1.m (simulink version 5.2.1) An s-function to be used for timing detector. For detailed i
carrier-recoveryaSymbol-timing
- 一个载波恢复与符号定时的仿真。 载波恢复使用平方环，符号定时基于早迟门，发送信号采用BPSK调制方式，统计计算的误码率。-A carrier recovery and symbol timing simulation. Carrier recovery loop using the square, the symbol timing based on early-late gate, sending a signal using BPSK modulation, bit error rate
OFDM_rece_matlab
- 接收端采用的算法和程序流程与发送端发送的OFDM符号的帧结构有关系。具体的帧结构，以及定时估计，频偏估计，剩余误差跟踪的算法可参考算法说明文档。这里对程序的流程进行说明。 首先根据短训练字的特性进行相关运算，进行信号到达检测，当检测到相关值大于门限一定次数后，认为有信号到达。然后根据长训练字的特性，进行相关运算，进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后，先在时域进行小频偏的估计，将两个长训练字进行小频偏补偿后，进行FFT运算，根据FFT运算的结果进行整数倍频偏的估计
ErrDetectSplot
- 一个定时误差检测器的特性由其曲线来表征。误差检测灵敏度一般取误差检测器曲线在零定时误差附近的斜率。(The characteristics of a timing error detector is characterized by the curve. Error detection sensitivity generally take near zero timing error detector curve slope.)