[Olsr-users] ETX-LQ calculations questions

[Alexey Shinkin]

Hi all 
 
I am working on a mesh with fast changed topology and link conditions.
And I'm trying to understand how exactly the LQ and NLQ calculated. 
 
So here are some questions:
 
When we (olsrd) get an LQ HELLO message, we get NLQ from a neighbor , right ?
And LQ is calculated from number of expected and actually received LQ HELLO messages from a neighbor ?
Are only HELLO messages used for LQ calculations ?  Are TC, MID or HNA messages used ? 
Is LQ from a neighbor recalculated on every incoming message from the neighbor or periodically ( i.e even an expected message is lost ? ) ? 
If periodically - how is the period related to HelloInterval ? 
Documentation refers to HelloInterval as to a period of _transmitting_ a HELLO message, so what if  neighbors has different HelloInterval settings, how olsrd calculates LQ then ?
 
Thank you .
 
 
Alexey Shinkin
Software engineer
 
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