kopia lustrzana https://github.com/proto17/dji_droneid
Removed unnecessary seek into the ZC sym for CFO
It was pointed out that the additional 6 sample seek wasn't necessary. Tested with a HackRF and DJI Mini 2 to validate.main
rodzic
a58848eaff
commit
9e2bd4fe55
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@ -193,7 +193,8 @@ for burst_idx=1:size(bursts, 1)
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% Get the expected starting index of the symbol to be used for CFO estimation
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% Get the expected starting index of the symbol to be used for CFO estimation
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zc_start = long_cp_len + (fft_size * 3) + (short_cp_len * 3);
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zc_start = long_cp_len + (fft_size * 3) + (short_cp_len * 3);
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zc_start = zc_start + 6;
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% Extract out the full OFDM symbol (cyclic prefix included)
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cfo_est_symbol = burst(zc_start - short_cp_len:zc_start + fft_size - 1);
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cfo_est_symbol = burst(zc_start - short_cp_len:zc_start + fft_size - 1);
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% Get the cyclic prefix, and then the copy of the cyclic prefix that exists at the end of the OFDM symbol
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% Get the cyclic prefix, and then the copy of the cyclic prefix that exists at the end of the OFDM symbol
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