diff --git a/.gitignore b/.gitignore
index 5da58cd..fdda839 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,5 @@ build
 bin/
 .idea
 .project
-data.csv
\ No newline at end of file
+data.csv
+.vscode
\ No newline at end of file
diff --git a/src/main/java/fr/ntr/User.java b/src/main/java/fr/ntr/User.java
index 4d3f9e6..ec7e659 100644
--- a/src/main/java/fr/ntr/User.java
+++ b/src/main/java/fr/ntr/User.java
@@ -23,14 +23,15 @@ public class User {
     }
 
     public void generateBandwidth() {
-        double random = this.random.nextDouble();
-        for(int i = 0; i < bandwidthTable.length; i++) {
-            for(int j = 0; j < bandwidthTable[i].length; j++) {
+        
+        for(int y = 0; y < bandwidthTable[0].length; y++) {
+            double random = this.random.nextDouble();
+            for(int x = 0; x < bandwidthTable.length; x++) {
                 double h = 1 * Math.sqrt(-2 * Math.log(1 - random));
                 double gain = h * Math.pow(10, random * 1/10) * Math.pow(1 / this.distance, 3.5);
                 double spectralEfficiency = (20 * gain) / (15000 * (3.9*Math.pow(10, -21)));
                 double mkn = Math.log(1 + spectralEfficiency) / Math.log(2);
-                this.bandwidthTable[i][j] = mkn;
+                this.bandwidthTable[x][y] = mkn;
             }
         }
     }