diff --git a/src/main/java/fr/ntr/AccessPoint.java b/src/main/java/fr/ntr/AccessPoint.java
index 01ac564..8592b0f 100644
--- a/src/main/java/fr/ntr/AccessPoint.java
+++ b/src/main/java/fr/ntr/AccessPoint.java
@@ -31,12 +31,14 @@ public class AccessPoint {
     private final double min, max;
 
     
-    public AccessPoint(Scheduler scheduler, double min, double max) {
+    public AccessPoint(Scheduler scheduler, ResourceBlock[][] frame, int timeSlotNb, int subCarrierNb, double min, double max) {
         this.min = min;
         this.max = max;
         this.users = new ArrayList<>();
         this.scheduler = scheduler;
-        this.frame = new ResourceBlock[timeSlotNb][subCarrierNb];
+        this.frame = frame;
+        this.timeSlotNb = timeSlotNb;
+        this.subCarrierNb = subCarrierNb;
     }
 
     /**
@@ -57,17 +59,18 @@ public class AccessPoint {
 
     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){
                 n = user.createPackets(n);
-                timeInterval = 50 + new Random().nextInt(51);
+                timeInterval = 50 + random.nextInt(51);
             }
         }
     }
diff --git a/src/main/java/fr/ntr/Main.java b/src/main/java/fr/ntr/Main.java
index 3796cd7..e72e29d 100644
--- a/src/main/java/fr/ntr/Main.java
+++ b/src/main/java/fr/ntr/Main.java
@@ -1,11 +1,11 @@
 package fr.ntr;
 
 import fr.ntr.scheduler.RoundRobin;
+import fr.ntr.scheduler.Scheduler;
 
 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
@@ -19,8 +19,12 @@ public class Main {
                 System.exit(1);
                 return;
             }
-
-            AccessPoint accessPoint = new AccessPoint(new RoundRobin("round robin", 0), 0, 50);
+            //TODO : change timeSlotNb and subCarrierNb
+            int timeSlotNb = 0;
+            int subCarrierNb = 0;
+            ResourceBlock[][] frame = new ResourceBlock[timeSlotNb][subCarrierNb];
+            Scheduler scheduler = new RoundRobin("round robin", 0, frame);
+            AccessPoint accessPoint = new AccessPoint(scheduler, frame, timeSlotNb, subCarrierNb, 0, 50);
             accessPoint.startSimulation(numberOfTicks, maximumLoad);
         } else {
             System.err.println("Please give launch arguments");
diff --git a/src/main/java/fr/ntr/User.java b/src/main/java/fr/ntr/User.java
index 8d62352..84861da 100644
--- a/src/main/java/fr/ntr/User.java
+++ b/src/main/java/fr/ntr/User.java
@@ -35,11 +35,11 @@ public class User {
 
     public int createPackets(int m) {
         Random random = new Random();
-        int mbis = (int) random.nextDouble() * (2 * m);
+        int mbis = random.nextInt(2 * m);
         int nbPacketsToSend = mbis / Packets.packetSize;
         this.leftForNextSource = mbis % Packets.packetSize;
         for(int i = 0; i < nbPacketsToSend; i++){
-            this.packetsToSend.add(new Packets(i, i, i)); // Voir pour les valeurs du contructeur Packets
+            this.packetsToSend.add(new Packets(i, i, i)); // Voir pour les valeurs du constructeur Packets
         }
         return mbis;
     }
diff --git a/src/main/java/fr/ntr/scheduler/MaxSNR.java b/src/main/java/fr/ntr/scheduler/MaxSNR.java
index c346bfd..0fc7211 100644
--- a/src/main/java/fr/ntr/scheduler/MaxSNR.java
+++ b/src/main/java/fr/ntr/scheduler/MaxSNR.java
@@ -1,18 +1,28 @@
 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);
+				if (userMax.getPacketsToSend() == null) {
+					users.remove(userMax);
+				}else{
+					//sub the packet send need Set packet
+					userMax.getPacketsToSend();
+				}
+				frame[ts][sp].setUser(selectionUtilisateur(sp, ts, users));
 			}
 		}
 	} 
diff --git a/src/main/java/fr/ntr/scheduler/RoundRobin.java b/src/main/java/fr/ntr/scheduler/RoundRobin.java
index f803b03..b70b8ed 100644
--- a/src/main/java/fr/ntr/scheduler/RoundRobin.java
+++ b/src/main/java/fr/ntr/scheduler/RoundRobin.java
@@ -15,9 +15,10 @@ 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) {
 		this.name = name;
 		this.index = index;
+		this.frame = frame;
 	}
 
 	/**