TD_HhatLMMSE = fft(ghat,nFFT);% TDMSE_LMMSE = TDMSE_LMMSE + ((H -TD_HhatLMMSE)'*(H-TD_HhatLMMSE))/nFFT; % Time domain LMMSE estimation - ignoring channel covariance ghatLS = ifft(HhatLS,nFFT); Rgg = diag(g.*conj(g)); WW = Rgg/(Rgg+(beta/snr(ii))*eye(L)); ghat ...
TD_HhatLMMSE =fft(ghat,nFFT);% TDMSE_LMMSE = TDMSE_LMMSE + ((H -TD_HhatLMMSE)'*(H-TD_HhatLMMSE))/nFFT; % Time domain LMMSE estimation - ignoring channel covariance ghatLS =ifft(HhatLS,nFFT); Rgg =diag(g.*conj(g)); WW = Rgg/(Rgg+(beta/snr(ii))*eye(L)); ghat = W...
TD_HhatLMMSE = fft(ghat,nFFT);% TDMSE_LMMSE = TDMSE_LMMSE + ((H -TD_HhatLMMSE)'*(H-TD_HhatLMMSE))/nFFT; % Time domain LMMSE estimation - ignoring channel covariance ghatLS = ifft(HhatLS,nFFT); Rgg = diag(g.*conj(g)); WW = Rgg/(Rgg+(beta/snr(ii))*eye(L)); ghat ...
TD-LTE系统中信道估计LMMSE算法Q矩阵的ASIC实现分析
ASIC研究了TD-LTE(Time Division-Long Term Evolution)系统下信道估计LMMSE(Linear Minimum Mean-Square Error)算法中Q矩阵的实现.从ASIC设计的角度考查LMMSE算法中Q矩阵实时生成的硬件实现可行性,包括实现方案,资源开销和时间开销.为整个TD-LTE基带芯片信道估计哪部分采用软件实现,哪部分采用硬件实现提供决策参考.卜中华...