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Description: 该程序实现OFDM系统中块状导频的信道估计,块状导频用于时变较慢的多径信道,可以估计出每个载波上的信道传输情况。-The programme realizes channel estimation with block pilots.
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Size: 258048 |
Author: 唐鹤群 |
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Description: LMMSE算法仿真例程,在QPSK调制基础上进行仿真。-LMMSE algorithm simulation routines, in the QPSK modulation on the basis of the simulation.
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Size: 1024 |
Author: chenpei |
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Description: . 对于基于块状(block-type)导频的信道估计,仿真实现LS, LMMSE modified 和基于SVD的降维LMMSE 算法在多径频率选择性特征的信道上的BER VS SNR 和BER VS Doppler frequency shift 的功能。
2. 对于基于梳状(comb-type)导频的信道估计,实现LS with 1D linear interpolation, LS with second-order interpolation, LS with Spline cubic interpolation.
3. 比较块状和梳妆导频信道估计方法在不同的特征的信道上的性能(channel with fast fading and channel with slow fading).
4. 信号的调制方式可以选择16QAM或者QPSK
5.对于SVD-LMMSE (optimal rank reduction), rank的取值P也会的到分析。
Platform: |
Size: 2461 |
Author: xiongsj715@163.com |
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