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practisereport
- OFDM(正交频分复用)技术实际上是MCM(Multi-Carrier Modulation，多载波调制)的一种。其主要思想是，将信道分成若干正交子信道，将高速数据信号转换成并行的低速子数据流，调制到在每个子信道上进行传输。正交信号可以通过在接收端采用相关技术来分开，这样可以减少子信道之间的相互干扰(ICI)。每个子信道上的信号带宽小于信道的相关带宽，因此每个子信道上的可以看成平坦性衰落，从而可以消除符号间干扰。而且由于每个子信道的带宽仅仅是原信道带宽的一小部分，信道均衡变得相对容-OFDM (
FadingPaper
- 用MATLAB实现通信系统的平坦衰落信道的建模-An approach to demonstrate flat fading in communication systems is presented here, wherein the basic concepts are reinforced by means of a series of MATLAB simulations. Following a brief introduction to fading in g
freqBlind-Em
- 文章根据频率选择性衰落信道的抽头延迟线模型，将针对平坦衰落信道的CS(周期平稳过程理论)频偏盲估计 算法扩展到了频率选择性衰落信道，并通过仿真证明这种扩展是可行的.仿真结果还表明CS算法不仅有好的抗平 坦衰落能力，而且有很好的杭频率选择性衰落性能.-Article according to frequency selective fading channel tap delay line model, the flat fading channel for CS (cycle stati
Freq-and-timing-recovery
- 文章介绍了平坦衰落下的频偏和同步联合恢复技术，能够有效应对时变的信道，并且不需要训练序列，给出了详细的仿真和分析，供大家学习-Two open-loop algorithms are developed for esti- mating jointly frequency offset and symbol timing of a linearly modulated waveform transmitted through a frequency-fl at fading
bishezongjie
- 在OFDM系统 中，宽带信道被分割相互重叠的窄带子信道，如果各子信道 的带宽比信道的相干带宽要小，那么信号传输就有可能在无 频率选择性衰落或者平坦衰落的信道进行。-In OFDM system The wideband channel is divided into narrowband sub-overlapping, if each sub- The bandwidth is less than the coherence bandwidth of the channe
Simulink-flat-fading
- 基于Simulink的平坦瑞丽衰落的信道建模与性能分析-Based on channel modeling and performance analysis of Simulink flat fading
Rayleigh-fading-channel
- 瑞利信道模型建模平坦衰落等，并且加入赖斯信道模型进行改进。模拟了信道的小尺度衰落问题，和Clarke模型进行比对-Rayleigh flat fading channel model, and joined the Rice channel model is improved. Simulation of small scale fading channel, and the Clarke model are compared