diff --git a/src/main/java/fr/ntr/AccessPoint.java b/src/main/java/fr/ntr/AccessPoint.java
index c41edcf..b5a6b2c 100644
--- a/src/main/java/fr/ntr/AccessPoint.java
+++ b/src/main/java/fr/ntr/AccessPoint.java
@@ -1,5 +1,8 @@
 package fr.ntr;
 
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
@@ -31,12 +34,14 @@ public class AccessPoint {
     private final double min, max;
 
     
-    public AccessPoint(Scheduler scheduler, double min, double max) {
+    public AccessPoint(Scheduler scheduler, ResourceBlock[][] frame, List<User> users, int timeSlotNb, int subCarrierNb, double min, double max) {
         this.min = min;
         this.max = max;
-        this.users = new ArrayList<>();
+        this.users = users;
         this.scheduler = scheduler;
-        this.frame = new ResourceBlock[timeSlotNb][subCarrierNb];
+        this.frame = frame;
+        this.timeSlotNb = timeSlotNb;
+        this.subCarrierNb = subCarrierNb;
     }
 
     /**
@@ -44,30 +49,34 @@ public class AccessPoint {
      * @param duration
      */
     public void startSimulation(int duration, int nbUsers) {
-        init(nbUsers);
         for (int ticks = 0; ticks < duration; ++ticks) {
             // Simulation
             reset();
             updateBandwidth(ticks);
             schedule();
             // traite les données et les enregistre dans un fichier
-            analyseData();
+            try {
+                analyseData();
+            } catch (IOException e) {
+                System.out.println("Can't export data");
+            }
         }
     }
 
     private void updateBandwidth(int ticks) {
         int n = 200;
-        int timeInterval = 50 + new Random().nextInt(50);
+        Random random = new Random();
+        int timeInterval = 50 + random.nextInt(51);
         for(User user : users) {
-            // On regénère le tableau de débits toutes les 50 ms
+            // On régénère le tableau de débits toutes les 50 ms
             if(ticks % 50 == 0){
                 user.generateBandwidth();
             }
 
-            // On regénère les sources toutes les 50-100 ms
+            // On régénère les sources toutes les 50-100 ms
             if(ticks % timeInterval == 0){
+                timeInterval = 50 + random.nextInt(51);
                 n = user.createPackets(n, ticks);
-                timeInterval = 50 + new Random().nextInt(51);
             }
         }
     }
@@ -90,8 +99,17 @@ public class AccessPoint {
         scheduler.scheduling();
     }
 
-    private void analyseData() {
-
+    private void analyseData() throws IOException {
+        try(FileOutputStream file = new FileOutputStream("data.csv", true)) {
+            for(int i = 0; i < frame.length; i++) {
+                for(int j = 0; j < frame[i].length; j++) {
+                    ResourceBlock ur = frame[i][j];
+                    String data = (i + ";" + j + ";" + this.users.indexOf(ur.getUser()) + ";" + ur.getBandwidth() + ";\n");
+                    System.out.println("data: " + data);
+                    file.write(data.getBytes());
+                }
+            }
+        }
     }
 
     private void plotData() {
@@ -99,7 +117,6 @@ public class AccessPoint {
     }
 
     private void reset() {
-        this.users = new ArrayList<>();
         this.frame = new ResourceBlock[timeSlotNb][subCarrierNb];
     }
 
diff --git a/src/main/java/fr/ntr/Main.java b/src/main/java/fr/ntr/Main.java
index 3796cd7..70ae2e5 100644
--- a/src/main/java/fr/ntr/Main.java
+++ b/src/main/java/fr/ntr/Main.java
@@ -1,11 +1,14 @@
 package fr.ntr;
 
 import fr.ntr.scheduler.RoundRobin;
+import fr.ntr.scheduler.Scheduler;
+
+import java.util.ArrayList;
+import java.util.List;
 
 public class Main {
 
     public static void main(String[] args) {
-        //TODO ajouter accès à AccessPoint
 
         if(args.length == 2) {
             int numberOfTicks; // Nombre de ticks de la simulation -> durée de la simulation
@@ -19,13 +22,31 @@ public class Main {
                 System.exit(1);
                 return;
             }
-
-            AccessPoint accessPoint = new AccessPoint(new RoundRobin("round robin", 0), 0, 50);
+            int timeSlotNb = 2;
+            int subCarrierNb = 100;
+            List<User> users = generateUsers(20, timeSlotNb, subCarrierNb);
+            ResourceBlock[][] frame = new ResourceBlock[timeSlotNb][subCarrierNb];
+            Scheduler scheduler = new RoundRobin("round robin", 0, frame, users);
+            AccessPoint accessPoint = new AccessPoint(scheduler, frame, users, timeSlotNb, subCarrierNb, 0, 50);
             accessPoint.startSimulation(numberOfTicks, maximumLoad);
-        } else {
+        }
+        else {
             System.err.println("Please give launch arguments");
             System.err.println("gradle run --args=\"<number of ticks> <number of users>\"");
             System.exit(1);
         }
     }
+
+    private static List<User> generateUsers(int nbUsers, int timeSlotNb, int subCarrierNb) {
+        List<User> users = new ArrayList<>();
+        // 2 groupes d'utilisateurs, proches et éloignés
+        double[] distance = { 200d, 1000d };
+        for (double v : distance) {
+            for (int j = 0; j < nbUsers; j++) {
+                User user = new User(v, timeSlotNb, subCarrierNb);
+                users.add(user);
+            }
+        }
+        return users;
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/fr/ntr/ResourceBlock.java b/src/main/java/fr/ntr/ResourceBlock.java
index 588e40e..4fcc575 100644
--- a/src/main/java/fr/ntr/ResourceBlock.java
+++ b/src/main/java/fr/ntr/ResourceBlock.java
@@ -2,18 +2,26 @@ package fr.ntr;
 
 public class ResourceBlock {
     private User user;
-    private double bandwith;
+    private double bandwidth;
 
-    public ResourceBlock (User user, double bandwith) {
+    public ResourceBlock (User user, double bandwidth) {
         this.user = user;
-        this.bandwith = bandwith;
+        this.bandwidth = bandwidth;
     }
 
     public void setUser(User user) {
         this.user = user;
     }
 
-    public void setBandwith(double bandwith) {
-        this.bandwith = bandwith;
+    public void setBandwidth(double bandwidth) {
+        this.bandwidth = bandwidth;
+    }
+
+    public User getUser() {
+        return user;
+    }
+
+    public double getBandwidth() {
+        return bandwidth;
     }
 }
diff --git a/src/main/java/fr/ntr/scheduler/MaxSNR.java b/src/main/java/fr/ntr/scheduler/MaxSNR.java
index c346bfd..9b7fd3a 100644
--- a/src/main/java/fr/ntr/scheduler/MaxSNR.java
+++ b/src/main/java/fr/ntr/scheduler/MaxSNR.java
@@ -1,18 +1,27 @@
 package fr.ntr.scheduler;
 import java.util.List;
 
+import fr.ntr.ResourceBlock;
 import fr.ntr.User;
 
 public class MaxSNR extends Scheduler {
 
 	private List<User> users;
 
+	private ResourceBlock[][] frame;
+
 	@Override
 	public void scheduling() {
 		User userMax = null;
 		for(int ts = 0; ts < 2; ts++){
 			for(int sp = 0; sp < 100; sp++){
 				userMax = selectionUtilisateur(sp, ts, users);
+				userMax.getPacketsSent().add(userMax.getPacketsToSend().get(0));
+				userMax.getPacketsToSend().remove(userMax.getPacketsToSend().get(0));
+				frame[ts][sp].setUser(selectionUtilisateur(sp, ts, users));
+				if (userMax.getPacketsToSend() == null) {
+					users.remove(userMax);
+				}
 			}
 		}
 	} 
diff --git a/src/main/java/fr/ntr/scheduler/ProportionalFair.java b/src/main/java/fr/ntr/scheduler/ProportionalFair.java
index 1e0b650..5ffe2fd 100644
--- a/src/main/java/fr/ntr/scheduler/ProportionalFair.java
+++ b/src/main/java/fr/ntr/scheduler/ProportionalFair.java
@@ -23,7 +23,7 @@ public class ProportionalFair extends Scheduler {
 		}
 
 		@Override
-		protected void TraitementDonnées() {
+		protected void TraitementDonnees() {
 			// TODO Auto-generated method stub
 			
 		}
diff --git a/src/main/java/fr/ntr/scheduler/RoundRobin.java b/src/main/java/fr/ntr/scheduler/RoundRobin.java
index 2e806fe..e6f4020 100644
--- a/src/main/java/fr/ntr/scheduler/RoundRobin.java
+++ b/src/main/java/fr/ntr/scheduler/RoundRobin.java
@@ -15,9 +15,11 @@ public class RoundRobin extends Scheduler {
 	private List<User> users;
 	private ResourceBlock[][] frame;
 
-	public RoundRobin(String name, int index) {
+	public RoundRobin(String name, int index, ResourceBlock[][] frame, List<User> users) {
 		this.name = name;
 		this.index = index;
+		this.frame = frame;
+		this.users = users;
 	}
 
 	/**
@@ -29,20 +31,21 @@ public class RoundRobin extends Scheduler {
 	public void scheduling() {
 		//selection aleatoire du premier utilisateur
 		Random random = new Random();
-		index =  random.nextInt(users.size()-1);
+		index =  random.nextInt(users.size());
 
 		//Pour chaque time slot et sous porteuses
 		for (int Ts = 0; Ts < AccessPoint.getTimeSlotNb(); Ts++) {
 			for(int Sp = 0; Sp < AccessPoint.getSubCarrierNb(); Sp++) {
+				// on enlève le packet transmis de la liste
+				// TODO Verify sub the packet send need Set packet
+				users.get(index).getPacketsSent().add(users.get(index).getPacketsToSend().get(0));
+				users.get(index).getPacketsToSend().remove(users.get(index).getPacketsToSend().get(0));
+				//on ajoute l'utilisateur a la frame
+				frame[Ts][Sp].setUser(UserSelection(Ts, Sp, users));
+				//si un utilisateur n'a plus de packet a transmettre on supprime l'utilisateur de la liste
 				if (users.get(index).getPacketsToSend() == null) {
 					users.remove(index);
-				}else{
-
-					//sub the packet send need Set packet
-					users.get(index).getPacketsToSend();
 				}
-				frame[Ts][Sp].setUser(UserSelection(Ts, Sp, users));
-
 			}
 		}
 	}
@@ -52,12 +55,13 @@ public class RoundRobin extends Scheduler {
 	 * Return the user in function of TS and SP selected
 	 */
 	private User UserSelection(int Ts, int Sp, List<User> users) {
-
+		//compte le nombre de bloc attribue
 		for (int i = 0; i < Ts; i++){
 			for (int j = 0; j < Sp; j++) {
 				index++;
 			}
 		}
+		//on retourne l'utilisateur
 		return users.get(index%(users.size() - 1));
 
 	}
diff --git a/src/main/java/fr/ntr/scheduler/Scheduler.java b/src/main/java/fr/ntr/scheduler/Scheduler.java
index c7c1137..e21432d 100644
--- a/src/main/java/fr/ntr/scheduler/Scheduler.java
+++ b/src/main/java/fr/ntr/scheduler/Scheduler.java
@@ -8,7 +8,7 @@ public abstract class Scheduler {
 	 * Return
 	 */
 	public abstract void scheduling();
-	protected void TraitementDonnées() {
+	protected void TraitementDonnees() {
 
 	}
 }