diff --git a/src/main/java/fr/ntr/AccessPoint.java b/src/main/java/fr/ntr/AccessPoint.java
index 7e54cda..9f255e6 100644
--- a/src/main/java/fr/ntr/AccessPoint.java
+++ b/src/main/java/fr/ntr/AccessPoint.java
@@ -92,7 +92,12 @@ public class AccessPoint {
     public ResourceBlock[][] getFrame() {
         return frame;
     }
-    public void setFrame(ResourceBlock[][] frame) {
-        this.frame = frame;
+
+    public static int getTimeSlotNb() {
+        return timeSlotNb;
+    }
+
+    public static int getSubCarrierNb() {
+        return subCarrierNb;
     }
 }
diff --git a/src/main/java/fr/ntr/ResourceBlock.java b/src/main/java/fr/ntr/ResourceBlock.java
index ec0bc6d..588e40e 100644
--- a/src/main/java/fr/ntr/ResourceBlock.java
+++ b/src/main/java/fr/ntr/ResourceBlock.java
@@ -8,4 +8,12 @@ public class ResourceBlock {
         this.user = user;
         this.bandwith = bandwith;
     }
+
+    public void setUser(User user) {
+        this.user = user;
+    }
+
+    public void setBandwith(double bandwith) {
+        this.bandwith = bandwith;
+    }
 }
diff --git a/src/main/java/fr/ntr/scheduler/RoundRobin.java b/src/main/java/fr/ntr/scheduler/RoundRobin.java
index 2d8f8b6..bd9b9a8 100644
--- a/src/main/java/fr/ntr/scheduler/RoundRobin.java
+++ b/src/main/java/fr/ntr/scheduler/RoundRobin.java
@@ -1,6 +1,6 @@
 package fr.ntr.scheduler;
 import java.util.List;
-import fr.ntr.UserGroup;
+import fr.ntr.User;
 
 
 public class RoundRobin extends Scheduler {
@@ -8,29 +8,47 @@ public class RoundRobin extends Scheduler {
 	private String name;
 	private int index;
 
-	public RoundRobin(String name, int index) {
+	private List<User> users;
+	private ResourceBlock[][] frame;
+
+	public RoundRobin(String name, int index, List<User> users, ResourceBlock[][] frame ) {
 		this.name = name;
 		this.index = index;
+		this.users = users;
+		this.frame = frame;
 	}
 
 	/**
 	 * Entry
+	 * Rempli la trame avec les utilisateurs
 	 * Return
 	 */
 	@Override
 	public void scheduling() {
-		index = 0;
+		Random random = new Random();
+		index =  random.nextInt(users.size()-1);
 
+		for (int Ts = 0; Ts < AccessPoint.getTimeSlotNb(); Ts++) {
+			for(int Sp = 0; Sp < AccessPoint.getSubCarrierNb(); Sp++) {
+
+				if (users.get(index).getPacketsToSend() == null) {
+					users.remove(index);
+				}
+				frame[Ts][Sp].setUser(UserSelection(Ts, Sp, users));
+
+				//AccessPoint.setFrame[Ts][Sp]();
+			}
+		}
 	}
 
 	/**
 	 * Entry Time slot (int), Sous porteuse(int), and users ( List<User>)
 	 * Return the user in function of TS and SP selected
 	 */
-	private UserGroup UserSelection(int Ts, int Sp, UserGroup Users) {
+	private User UserSelection(int Ts, int Sp, List<User> Users) {
 		for (int i = 0; i < Ts; i++) {
 			for (int j = 0; j < Sp; j++) {
-					index++;
+				index++;
 			}
 		}
 		return Users.get(index%(Users.size() - 1));