MIMO-OTFS in High-Doppler Fading Channels:Signal Detection and Channel Estimation(5)

5 Channel Estimation 5.1 A fact finite support是什么意思呢？观察上面这幅图，我们可以知道我们调制的时延多普勒域是 [ 0 , 0 ] − [ 32 , 32 ] , [0,0]-[32,32], [0,0]−[32,32],但是信道的响应只有 [ 0 , 0 ] − [ 5 , 5 ] [0,0]-[5,5] [0,0]−[5,5],它的含义是信道响应

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