compute_avg_metrics.sh

对IEEE 802.11e里的分布式信道接入算法EDCA进行改进

#!/bin/csh -f

set max_nodes = 2

set increment = 1

set nodes = 2

set lat_results = 0

set gfile = load_scen_heterogen.goodput

set latfile = load_scen_heterogen.lat

#set latfile4 = load.lat4

set chfile = load_scen_heterogen.ch

rm -f $gfile
touch $gfile

rm -f $latfile
touch $latfile

#rm -f $latfile4
#touch $latfile4

rm -f $chfile
touch $chfile

echo "#nodes  min 	max	  mean 	std_dev "  >> $latfile

#echo "#nodes  min 	max	  mean 	std_dev "  >> $latfile4

echo "#nodes  channel_use 	collision_rate "  >> $chfile

while ( $nodes <= $max_nodes ) 

   ns lamia_test1.tcl scen_heterogen.tcl $nodes 
   
	 set goodput = `wlan-goodput-normal scen_heterogen.tcl 0.5`
	 
	 echo "$nodes  $goodput "  >> $gfile
	 
	 set flow = 0
	 while ( $flow < $nodes )
	 set lat_flow = `wlan-lat-mean  scen_heterogen.tcl $flow AGT `
	  
	 @lat_results = $lat_results + $lat_flow
	 @flow = $flow + 1
	 end
	 @at_results = $lat_results / $nodes
	 echo "$nodes  $lat_results "  >> $latfile
	 
	 #set lat_results4 = `wlan-lat-control-period  scen_audio.tcl 4 AGT `
	 #echo "$nodes  $lat_results4 "  >> $latfile4 
	 
	 set channel_results = `wlan-chutil-load scen_heterogen.tcl`    
	 echo "$nodes  $channel_results "  >> $chfile
		 
	 @ nodes = $nodes  +  $increment
	 
end