Where can i find the Implementation of FriisPropagationLossModel ?

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Angèle Hager Hafaiedh

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Jan 8, 2026, 9:45:27 AM (9 days ago) Jan 8
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Where can i find the Implementation of FriisPropagationLossModel ?
I can't find it in the nr folder.

Thank you in advance

Gabriel Ferreira

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Jan 8, 2026, 9:48:29 AM (9 days ago) Jan 8
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Friis is an upstream ns-3 model.

Angèle Hager Hafaiedh

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Jan 8, 2026, 10:35:29 AM (9 days ago) Jan 8
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May i know more about it?

What does an "upstream ns-3 model" mean?

Thank you in advance

Gabriel Ferreira

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Jan 8, 2026, 11:00:57 AM (9 days ago) Jan 8
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It means it is part of upstream ns-3. a.k.a. you are looking for it in the wrong place.

https://gitlab.com/nsnam/ns-3-dev/-/blob/master/src/spectrum/model/friis-spectrum-propagation-loss.cc
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