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What is the formula to calculate the values of my I and Q in IQ packets?

asked 2023-05-25 05:15:12 +0000

pavetran gravatar image

Hi all, I need to know how we calculate the IQ values of our captured packets. In my case, 5g nr packets with no compression is used.

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You are talking about ORAN FH-CUS?

MartinM gravatar imageMartinM ( 2023-05-27 09:42:32 +0000 )edit

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answered 2023-05-27 21:27:15 +0000

MartinM gravatar image

updated 2023-05-27 21:28:05 +0000

Assuming that it is, here is the relevant function from epan/dissectors/packet-oran.c

/* Special case for uncompressed/16-bit value */

static float uncompressed_to_float(guint32 h)


gint16 i16 = h & 0x0000ffff;

return ((float)i16) / 0x7fff;


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Asked: 2023-05-25 05:15:12 +0000

Seen: 913 times

Last updated: May 27 '23