8000 Why is the attenuation weight for Medium range higher than for Close range? · Issue #775 · corona-warn-app/cwa-documentation · GitHub
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This repository was archived by the owner on May 16, 2023. It is now read-only.
This repository was archived by the owner on May 16, 2023. It is now read-only.
Why is the attenuation weight for Medium range higher than for Close range? #775
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@mthiop

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@mthiop

Hi,

i have a question regarding the attenuation and the associated weights.

My understanding is that the exposure time is weighted based on attenuation.
Isn't the assumption that smaller attenuation pose a higher risk than larger attenuation?

According to the risk calculation parameters and Figure 16 of the solution architecture, the weight for "Close" range is 0.8 and the weight for "Medium" range is 1.0.
In a previous commit dated March 1, 2021, the "Close" range had a higher weight than the "Medium" range. This made sense.

Shouldn't the weight for "Close" range be higher than the "Medium" range, as it was before?

Is there a reason behind this change?

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