Hello all, Could you please let me know how I can get channel-frequency response (like channel state information (CSI) ) for an OFDM transmission? I am looking at rx_ofdm.grc to capture the phase and amplitude at each of the 64 sub-carriers.
Would connecting the OFDM Channel Estimation Block of the HeaderStream to a FileSink such that item_size is fft_size* gr.sizeof_gr_complex , give me enough information to capture the CSI ? What would be the granularity of the aforementioned calculation? I transmit using tx_ofdm.grc. Please let me know. Thanks! -- Avinash
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