diff --git a/workspace/Makefile b/workspace/Makefile
new file mode 100644
index 0000000..70b2058
--- /dev/null
+++ b/workspace/Makefile
@@ -0,0 +1,6 @@
+all: 
+	./wifi_loopback_noGUI.py -n $(n) -c $(c) -s $(s) -o $(o) -e $(e) -i $(i)
+	tshark -r result/ofdm_n$(n)_s$(s)_e$(e)_i$(i).pcap > result/n$(n)_s$(s)_e$(e)_i$(i).log 
+	
+
+
diff --git a/workspace/parse.py b/workspace/parse.py
new file mode 100755
index 0000000..559682e
--- /dev/null
+++ b/workspace/parse.py
@@ -0,0 +1,27 @@
+#!/usr/bin/python
+
+import glob, os, re
+import matplotlib.pyplot as plt
+
+x= []
+y= []
+
+path = "result/"
+
+for filename in glob.glob(os.path.join(path, "*.log")):
+	pat = re.search(r"s(\d+.\d+)", filename)
+	pat2 = re.search(r"n(\d+)", filename)
+ 
+	if pat and pat2:
+		x.append(float(pat.group(1)))
+		
+		receive = sum(1 for line in open(filename))
+		total = pat2.group(1)
+
+		y.append(receive/float(total))	
+
+plt.ylabel("PDR")
+plt.xlabel("SNR")
+plt.plot(x, y)
+plt.show()
+
diff --git a/workspace/run b/workspace/run
new file mode 100755
index 0000000..71b015c
--- /dev/null
+++ b/workspace/run
@@ -0,0 +1,5 @@
+#!/bin/bash
+for s in 5.0 10.0 15.0 20.0
+do
+make n=10 c=1 s=$s o=0 e=0 i=500
+done 
diff --git a/workspace/wifi_loopback_noGUI.grc b/workspace/wifi_loopback_noGUI.grc
index a62c488..5a36680 100644
--- a/workspace/wifi_loopback_noGUI.grc
+++ b/workspace/wifi_loopback_noGUI.grc
@@ -128,7 +128,7 @@
     </param>
     <param>
       <key>file</key>
-      <value>/tmp/ofdm_n" + str(nmessages) + "_s" + str(snr) + "_e" + str(encoding) + "_i" + str(interval) + ".pcap</value>
+      <value>result/ofdm_n" + str(nmessages) + "_s" + str(snr) + "_e" + str(encoding) + "_i" + str(interval) + ".pcap</value>
     </param>
     <param>
       <key>_coordinate</key>
diff --git a/workspace/wifi_loopback_noGUI.py b/workspace/wifi_loopback_noGUI.py
index f188853..1a55d3d 100755
--- a/workspace/wifi_loopback_noGUI.py
+++ b/workspace/wifi_loopback_noGUI.py
@@ -3,7 +3,7 @@
 ##################################################
 # GNU Radio Python Flow Graph
 # Title: Wifi Loopback Nogui
-# Generated: Tue Nov  3 19:25:31 2015
+# Generated: Wed Nov  4 13:47:34 2015
 ##################################################
 
 import os
@@ -66,7 +66,7 @@ class wifi_loopback_noGUI(gr.top_block):
         )
         self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
         self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(((10**(snr/10.0))**.5, ))
-        self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, "/tmp/ofdm_n" + str(nmessages) + "_s" + str(snr) + "_e" + str(encoding) + "_i" + str(interval) + ".pcap", False)
+        self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, "result/ofdm_n" + str(nmessages) + "_s" + str(snr) + "_e" + str(encoding) + "_i" + str(interval) + ".pcap", False)
         self.blocks_file_sink_0_0.set_unbuffered(True)
 
         ##################################################
@@ -95,8 +95,8 @@ class wifi_loopback_noGUI(gr.top_block):
 
     def set_encoding(self, encoding):
         self.encoding = encoding
-        self.blocks_file_sink_0_0.open("/tmp/ofdm_n" + str(self.nmessages) + "_s" + str(self.snr) + "_e" + str(self.encoding) + "_i" + str(self.interval) + ".pcap")
         self.wifi_phy_hier_0.set_encoding(self.encoding)
+        self.blocks_file_sink_0_0.open("result/ofdm_n" + str(self.nmessages) + "_s" + str(self.snr) + "_e" + str(self.encoding) + "_i" + str(self.interval) + ".pcap")
 
     def get_freq_offset(self):
         return self.freq_offset
@@ -110,22 +110,22 @@ class wifi_loopback_noGUI(gr.top_block):
 
     def set_interval(self, interval):
         self.interval = interval
-        self.blocks_file_sink_0_0.open("/tmp/ofdm_n" + str(self.nmessages) + "_s" + str(self.snr) + "_e" + str(self.encoding) + "_i" + str(self.interval) + ".pcap")
+        self.blocks_file_sink_0_0.open("result/ofdm_n" + str(self.nmessages) + "_s" + str(self.snr) + "_e" + str(self.encoding) + "_i" + str(self.interval) + ".pcap")
 
     def get_nmessages(self):
         return self.nmessages
 
     def set_nmessages(self, nmessages):
         self.nmessages = nmessages
-        self.blocks_file_sink_0_0.open("/tmp/ofdm_n" + str(self.nmessages) + "_s" + str(self.snr) + "_e" + str(self.encoding) + "_i" + str(self.interval) + ".pcap")
+        self.blocks_file_sink_0_0.open("result/ofdm_n" + str(self.nmessages) + "_s" + str(self.snr) + "_e" + str(self.encoding) + "_i" + str(self.interval) + ".pcap")
 
     def get_snr(self):
         return self.snr
 
     def set_snr(self, snr):
         self.snr = snr
-        self.blocks_file_sink_0_0.open("/tmp/ofdm_n" + str(self.nmessages) + "_s" + str(self.snr) + "_e" + str(self.encoding) + "_i" + str(self.interval) + ".pcap")
         self.blocks_multiply_const_vxx_0.set_k(((10**(self.snr/10.0))**.5, ))
+        self.blocks_file_sink_0_0.open("result/ofdm_n" + str(self.nmessages) + "_s" + str(self.snr) + "_e" + str(self.encoding) + "_i" + str(self.interval) + ".pcap")
 
     def get_out_buf_size(self):
         return self.out_buf_size