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@ -57,6 +57,11 @@ public class AccessPoint {
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}
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}
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}
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}
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int totalBits = 0;
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for(User u: this.users){
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totalBits += u.totalbits;
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}
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System.out.println("total bits / nb users = "+ (((float)totalBits)/this.users.size()/10_000));
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}
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}
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private void updateBandwidth(int ticks) {
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private void updateBandwidth(int ticks) {
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@ -65,13 +65,14 @@ public class Main {
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private static List<User> generateUsers(int nbUsers, int timeSlotNb, int subCarrierNb) {
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private static List<User> generateUsers(int nbUsers, int timeSlotNb, int subCarrierNb) {
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List<User> users = new ArrayList<>();
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List<User> users = new ArrayList<>();
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// 2 groupes d'utilisateurs, proches et éloignés
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// 2 groupes d'utilisateurs, proches et éloignés
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double[] distance = { 200d, 1000d };
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double[] distance = { 200d, 400d };
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for (double v : distance) {
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for (double v : distance) {
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for (int j = 0; j < nbUsers; j++) {
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for (int j = 0; j < nbUsers; j++) {
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User user = new User(v, timeSlotNb, subCarrierNb);
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User user = new User(v, timeSlotNb, subCarrierNb);
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users.add(user);
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users.add(user);
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}
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}
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}
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}
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return users;
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return users;
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}
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}
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}
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}
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@ -13,6 +13,8 @@ public class User {
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private int leftForNextSource;
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private int leftForNextSource;
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private int timeInterval = 1;
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private int timeInterval = 1;
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public int totalbits = 0;
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private int mbis;
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private int mbis;
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private final Random random = new Random();
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private final Random random = new Random();
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@ -45,13 +47,17 @@ public class User {
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public void createPackets(int m, int ticks) {
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public void createPackets(int m, int ticks) {
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timeInterval--;
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timeInterval--;
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if(timeInterval == 0) {
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if(timeInterval == 0) {
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timeInterval = random.nextInt(50, 101);
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timeInterval = random.nextInt(2, 102);
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// On tire un nombre entre 0 et 2 * m
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// On tire un nombre entre 0 et 2 * m
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mbis = random.nextInt(1, 2 * m + 1) ;
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mbis = random.nextInt(1, 2 * m + 1) ;
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}
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}
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// On calcule le nombre de paquets qu'on peut transmettre
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// On calcule le nombre de paquets qu'on peut transmettre
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int bitsToSend = random.nextInt(2 * mbis + 1) + this.leftForNextSource;
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int bitsToSend = random.nextInt(2 * mbis + 1);
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this.totalbits += bitsToSend;
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// totalbits/duree (200)
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// somme total bits/duree (linéaire)
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bitsToSend+=this.leftForNextSource;
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int nbPacketsToSend = bitsToSend / Packets.PACKET_SIZE;
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int nbPacketsToSend = bitsToSend / Packets.PACKET_SIZE;
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// On conserve le nombre de bits restants pour la prochaine génération
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// On conserve le nombre de bits restants pour la prochaine génération
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this.leftForNextSource = bitsToSend % Packets.PACKET_SIZE;
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this.leftForNextSource = bitsToSend % Packets.PACKET_SIZE;
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@ -1,4 +1,6 @@
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package fr.ntr.scheduler;
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package fr.ntr.scheduler;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import java.util.List;
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import java.util.Random;
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import java.util.Random;
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import java.util.stream.Collectors;
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import java.util.stream.Collectors;
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@ -26,6 +28,7 @@ public class RoundRobin extends Scheduler {
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@Override
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@Override
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public void scheduling(int ticks) {
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public void scheduling(int ticks) {
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List<User> userCopy = users.stream().filter(u -> !u.getPacketsToSend().isEmpty()).collect(Collectors.toList());
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List<User> userCopy = users.stream().filter(u -> !u.getPacketsToSend().isEmpty()).collect(Collectors.toList());
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Collections.shuffle(userCopy);
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//Pour chaque time slot et sous porteuses
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//Pour chaque time slot et sous porteuses
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loop: for (int ts = 0; ts < AccessPoint.getTimeSlotNb(); ts++) {
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loop: for (int ts = 0; ts < AccessPoint.getTimeSlotNb(); ts++) {
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