Changes between Version 2 and Version 3 of Old/NodeHandler/FAQ/ToUseNoiseGenerator

Timestamp:

Nov 23, 2005, 7:47:18 PM (18 years ago)

Author:

Surya Satyavolu

Comment:

—

Old/NodeHandler/FAQ/ToUseNoiseGenerator

@@ -14 +14 @@
   * Antenna 4: Between node7-7 and node7-8.
 
-I am attaching a template script to use the noise generator
+Attached is a template script to use the noise generator. Please use tutorial-noise.rb as a baseline
 
 The configurable parameters are
@@ -23 +23 @@
 Here is a template script to use the noise generator
 {{{
-#Template to use noise generator in the experiment
+Experiment.name = "tutorial-1a"
+Experiment.project = "orbit:tutorial"
+Experiment.defProperty('noisePower', -44, 'Noise level injected')
+#
+# Define nodes used in experiment
+#
+defNodes('sender', [1,2]) {|node|
+  node.image = nil  # assume the right image to be on disk
 
-Experiment.defProperty(‘noisePower', -44, Noise level injected')
+  node.prototype("test:proto:sender", {
+    'destinationHost' => '192.168.1.1',
+    'packetSize' => 1024,
+    'rate' => 300,
+    'protocol' => 'udp'
+  })
+  node.net.w0.mode = "master"
+}
 
-nodes([2,2], 'sender') {|node| …
-
-nodes([8,8], ‘receiver') {|node| …
-
-antenna(4,4).signal {|s|
-
-s.bandwidth = 20
-s.channel = 3
-s.power = Experiment.property(“noisePower")
+defNodes('receiver', [1,1]) {|node|
+  node.image = nil  # assume the right image to be on disk
+  node.prototype("test:proto:receiver" , {
+    'hostname' => '192.168.1.1',
+    'protocol' => 'udp'
+  })
+  node.net.w0.mode = "managed"
 }
 
 
+allNodes.net.w0 { |w|
+  w.type = 'b'
+  w.essid = "helloworld"
+}
+
+antenna(4,4).signal {|s|
+  s.bandwidth = 20
+  s.channel = 36
+  s.power = prop.noisePower
+}
+
+#
+# Now, start the application
+#
 whenAllInstalled() {|node|
 
-allNodes.startApplications
 
-wait 10
+  #Then start receiver and sender
+  NodeSet['receiver'].startApplications
+  wait 30
+  NodeSet['sender'].startApplications
 
-# increase noise from -44 dBm to -20dBm in steps of 2 dBm
-antenna(4,4).signal.on
--44.step(-20, 2) { |p|
-  Experiment.props.noisePower = p
-  wait 30
+  antenna(4,4).signal.on
+
+  # Step noise power from -44 to 0dbm in steps of 4db
+  -44.step(0, 4) { |p|
+
+    prop.noisePower = p
+     wait 5
+   }
+
+  wait 10
+
+  Experiment.done
 }
 
-Experiment.done
 
-}
+                                 
 
 }}}