ESS commented

Author: Pythonista7

sim4ESS/ess_code.tcl

@@ -7,8 +7,8 @@
 #-------------------------------------------------------------------------------
 #                              AIM
 #-------------------------------------------------------------------------------
-#Implement simple ESS and with transmitting nodes in wire-less LAN by simulation
-#and determine the performance with respect to transmission of packets.
+# Implement simple ESS and with transmitting nodes in wire-less LAN by simulation
+# and determine the performance with respect to transmission of packets.
 #-------------------------------------------------------------------------------
 
 #STEP1
@@ -27,6 +27,27 @@ $ns namtrace-all-wireless $nf 1000 1000
 
 #https://www.nsnam.com/2012/09/wireless-node-configuration-in-network.html
 
+# adhoc routing DSDV = Destination-Sequenced Distance-Vector Routing (DSDV) 
+#                   -is a table-driven routing scheme for ad hoc mobile networks based on the Bellman–Ford algorithm. 
+# 
+# LL = Link Layer , phyType=Physical Layer Type
+#
+# ifqType = Interface Queue type , ifqLen = Interface Queue Length
+#
+# channelType =  Channel to be used for communication(Wired/Wireless)
+#
+# propType =  Propogation Type of the signal 
+#               -The Two-Rays Ground Reflected Model is a radio propagation model which predicts the
+#                path losses between a transmitting antenna and a receiving antenna when they are in LOS (line of sight).
+#                Generally, the two antenna each have different height.
+#
+# antType = Antenna Type
+#           -Omni Antenna :  is a class of antenna which radiates equal radio power in all directions perpendicular to an axis,
+#                            with power varying with angle to the axis, declining to zero on the axis. 
+#
+#
+#
+#
 $ns node-config -adhocRouting DSDV \
                 -llType LL \
                 -ifqType Queue/DropTail \
@@ -40,16 +61,30 @@ $ns node-config -adhocRouting DSDV \
                 -agentTrace ON \
                 -routeTrace ON \
 
+# GOD --> General Operations Director
 create-god 3 
 
+#Create Nodes
 set n0 [$ns node]
 set n1 [$ns node]
 set n2 [$ns node]
 
+#Label the nodes
 $n0 label "tcp0"
 $n1 label "sink1/tcp1"
 $n2 label "sink2"
 
+
+# Mobile Node Movement
+#--------------------
+# Node position defined in a 3-D model.
+# However z axis not used
+# $node set X_ <x1>
+# $node set Y_ <y1>
+# $node set Z_ <z1>$node at 
+# $time setdest<x2> <y2> <speed>
+# Node movement may be logged
+
 $n0 set X_ 50
 $n0 set Y_ 50
 $n0 set Z_ 0
@@ -64,11 +99,12 @@ $n2 set X_ 200
 $n2 set Y_ 200
 $n2 set Z_ 0
 
-
+# $time setdest<x2> <y2> <speed> from above comment ^^^^
 $ns at 0.1  "$n0 setdest 50 50 15"
 $ns at 0.1  "$n1 setdest 100 100 25"
 $ns at 0.1  "$n2 setdest 600 600 25"
 
+# Attaching agents to Nodes
 set tcp0 [new Agent/TCP]
 $ns attach-agent $n0 $tcp0 
 set ftp0 [new Application/FTP]
@@ -87,19 +123,25 @@ set sink1 [new Agent/TCPSink]
 $ns attach-agent $n2 $sink1
 $ns connect $tcp1 $sink1
 
+#Start sending traffic at 0.5 seconds
 $ns at 0.5 "$ftp0 start"
 $ns at 0.5 "$ftp1 start"
 
+#Move n2 node towards 150 150 till 100s
 $ns at 100 "$n2 setdest 150 150 35"
+#Move n2 node towards 70 70 from 100s to 190s
 $ns at 190 "$n2 setdest 70 70 15"
 
+#Same as previous simulations
 proc finish { } {
 global ns nf tf
 $ns flush-trace
 exec nam ess_code.nam &
+exec awk -f perf_test.awk ess_code.tr &
 close $tf
 exit 0
 }
 
+# Terminate simulation at 200 
 $ns at 200 finish
 $ns run