#!/usr/bin/env tesh p Test WITH crosstraffic $ ${bindir:=.}/wifi_usage ${platfdir}/wifi.xml --log=root.fmt=%m%n > TEST: Send from a station to a node on the wired network after the AP. > ---------------------------------------------------------------------- > Since AP1 is the limiting link, we have the following constraint for AP1: > 1.05/r_STA1 * rho_STA1 <= 1 (1.05 instead of 1 because of cross-traffic) > We should thus have: > mu = 1 / [ 1/1 * 1.05/54Mbps ] = 51428571 > simulation_time = 1000*8 / mu = 0.0001555556s (rounded to 0.000156s in SimGrid) > Actual result: Sending 1000 bytes from 'Station 1' to 'NODE1' takes 0.000156 seconds. > > > TEST: Send from a station to another station on the same AP. > ------------------------------------------------------------ > We have the following constraint for AP1: > 1.05/r_STA1 * rho_STA1 + 1.05/r_STA2 * rho_2 <= 1 (1.05 instead of 1 because of cross-traffic) > We should thus have: > mu = 1 / [ 1/2 * 1.05/54Mbps + 1.05/54Mbps ] = 51428571 > simulation_time = 1000*8 / [ mu / 2 ] = 0.0003111111s > Actual result: Sending 1000 bytes from 'Station 1' to 'Station 2' takes 0.000311 seconds. p Test WITHOUT crosstraffic $ ${bindir:=.}/wifi_usage ${platfdir}/wifi.xml --log=root.fmt=%m%n --cfg=network/crosstraffic:0 > Configuration change: Set 'network/crosstraffic' to '0' > TEST: Send from a station to a node on the wired network after the AP. > ---------------------------------------------------------------------- > Since AP1 is the limiting link, we have the following constraint for AP1: > 1/r_STA1 * rho_STA1 <= 1 (there is no cross-traffic) > We should thus have: > mu = 1 / [ 1/1 * 1/54Mbps ] = 5.4e+07 > simulation_time = 1000*8 / mu = 0.0001481481s > Actual result: Sending 1000 bytes from 'Station 1' to 'NODE1' takes 0.000148 seconds. > > > TEST: Send from a station to another station on the same AP. > ------------------------------------------------------------ > We have the following constraint for AP1: > 1/r_STA1 * rho_STA1 + 1/r_STA2 * rho_2 <= 1 (there is no cross-traffic) > mu = 1 / [ 1/2 * 1/54Mbps + 1/54Mbps ] = 5.4e+07 > simulation_time = 1000*8 / [ mu / 2 ] = 0.0002962963s > Actual result: Sending 1000 bytes from 'Station 1' to 'Station 2' takes 0.000296 seconds.