kopia lustrzana https://github.com/M17-Project/M17_spec
Remove LICH from data frame CRC input.
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@ -219,9 +219,9 @@ detecting all errors up to hamming distance of 5 with payloads up to
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As M17’s native bit order is most significant bit first, neither the
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input nor the output of the CRC algorithm gets reflected.
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The input to the CRC algorithm consists of the 48 bits of LICH, 16
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bits of FN, 128 bits of payload, and then depending on whether the CRC
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is being computed or verified either 16 zero bits or the received CRC.
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The input to the CRC algorithm consists of the 16 bits of FN and 128
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bits of payload, and then depending on whether the CRC is being computed
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or verified either 16 zero bits or the received CRC.
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The test vectors in Table 6 are calculated by feeding the given
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message and then 16 zero bits to the CRC algorithm.
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