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How to calculate SNR values?

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Hello, I have difficulties in calculating SNR values using wireshark. Software Network Stumbler can do it but I can't save those values into file. Can I do it using Wireshark? Please I need your help. Thank you.

asked 02 Dec '12, 18:27

Tyanium's gravatar image

Tyanium
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One Answer:

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see this similar question:

http://ask.wireshark.org/questions/3330/get-snr-from-wlan-capture

Regards
Kurt

answered 02 Dec '12, 23:22

Kurt%20Knochner's gravatar image

Kurt Knochner ♦
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But I can't find how to show signal and noise values as columns as you said. Please tell me how to.

(02 Dec '12, 23:44) Tyanium

Quote from the answer:

Wireshark doesn't currently calculate an SNR from signal and noise values, so it can't directly display the SNR.

To show the signal and noise values of the PPI header (if it's in the capture file!), use these filters for the columns (add a custom column):

ppi.80211-common.dbm.antsignal
ppi.80211-common.dbm.antnoise

column Tutorial

www.lovemytool.com/blog/2009/10/chris_greer_10.html

(03 Dec '12, 04:55) Kurt Knochner ♦