OFDM经典论文，学习OFDM必看文章，是关于OFDM奇异值分解信道估计的。-OFDM classic paper, learning OFDM must-see article, is the About OFDM singular value decomposition of channel estimation.

ofdm信道估计算法中，ls与lmmse和基于奇异值分解MMSE的比较。-ofdm channel estimation algorithm, ls and lmmse and MMSE based on singular value decomposition of the comparison.