diff --git a/wiki/EEL.wiki b/wiki/EEL.wiki index 64922ebc..1743122d 100644 --- a/wiki/EEL.wiki +++ b/wiki/EEL.wiki @@ -22,5 +22,18 @@ The fields for GPS location events are: _time, NEM ID, "location", "gps", latitu == Cartesian coordinates == = EEL pathloss events = -A pathloss event specifies the pathloss in decibels. -When used with EMANE's Universal PHY, you would set the _pathloss mode_ to _*pathloss*_. \ No newline at end of file +A pathloss event specifies the pathloss in decibels (dB). +When used with EMANE's Universal PHY, you would set the _pathloss mode_ to _*pathloss*_. When pathloss mode is used, the location of a node no longer determines connectivity. + +A packet received in EMANE has the following received power calculation, that determines whether or not the packet will be dropped: +_Rx Power (dBm) = Tx Power (dBm) + Tx Antenna Gain (dBi) + Rx Antenna Gain (dBi) - *Pathloss (dB)*_ + +The fields for pathloss events are: _time, source NEM ID, "pathloss", destination NEM ID,pathloss-value_. + +Multiple destination NEM IDs may be specified. The example below shows three NEMs, with each line specifying two destination NEMs. Note that loss can be asymmetrical. + +{{{ +0.0 nem:1 pathloss nem:2,96.3 nem:3,95.0 +0.0 nem:2 pathloss nem:1,94.2 nem:3,96.1 +0.0 nem:3 pathloss nem:2,94.9 nem:3,96.3 +}}} \ No newline at end of file