diff --git a/Wireless-Communication/Protocol/ITS-G5.md b/Wireless-Communication/Protocol/IEEE 802.11.md
similarity index 81%
rename from Wireless-Communication/Protocol/ITS-G5.md
rename to Wireless-Communication/Protocol/IEEE 802.11.md
index 9f828da..e6ea252 100644
--- a/Wireless-Communication/Protocol/ITS-G5.md
+++ b/Wireless-Communication/Protocol/IEEE 802.11.md	
@@ -1,7 +1,11 @@
-# ITS-G5 / 802.11p
+# IEEE 802.11
+[IEEE working group](https://1.ieee802.org/)
+
+## 802.11p / ITS-G5
+
 Cette technologie est la première standardisée pour la communication impliquant des véhicules.
 
-## Fonctionnement
+##* Fonctionnement
 Elle utilise l'[OFDM](/Wireless-Communication/Protocol/glossary.md#ofdm) :
 
 Channel Bandwith : 10MHz
@@ -16,6 +20,10 @@ BitRate : 27Mb/s
 Designer pour peu de latence et une grande fiabilité, expressement pour une utilisation sécurisée 
 sur route.
 
+## IEEE 802.11BD / DOT11BD
+
+
+
 liens :
 - [802.11p -> ITS-G5](https://ieeexplore.ieee.org/document/9734746)
 
diff --git a/Wireless-Communication/Protocol/README.md b/Wireless-Communication/Protocol/README.md
index 0ce3735..72e424c 100644
--- a/Wireless-Communication/Protocol/README.md
+++ b/Wireless-Communication/Protocol/README.md
@@ -4,4 +4,8 @@ Protocol de communication wireless
 
 - [Glossaire](/Wireless-Communication/Protocol/glossary)
 - [5G](/Wireless-Communication/Protocol/5g)
-- [C-V2X vs ITS-G5](/Wireless-Communication/Protocol/C-V2X-vs-ITS-G5)
\ No newline at end of file
+- [C-V2X vs ITS-G5](/Wireless-Communication/Protocol/C-V2X-vs-ITS-G5)
+- [IEEE 802.11](/Wireless-Communication/Protocol/IEEE%20802.11)
+- [V2X](/Wireless-Communication/Protocol/V2X)
+- [DECT NR+](/Wireless-Communication/Protocol/DECT-NR-+.md)
+- [Visible light communication](/Wireless-Communication/Protocol/Visible-light-communication.md)
\ No newline at end of file
diff --git a/Wireless-Communication/README.md b/Wireless-Communication/README.md
index db99653..c3d2732 100644
--- a/Wireless-Communication/README.md
+++ b/Wireless-Communication/README.md
@@ -3,6 +3,10 @@
 ## [Protocol](/Wireless-Communication/Protocol/)
 - [glossaire](/Wireless-Communication/Protocol/glossary)
 - [C-V2X vs ITS-G5](/Wireless-Communication/Protocol/C-V2X-vs-ITS-G5.md)
+- [IEEE 802.11](/Wireless-Communication/Protocol/IEEE%20802.11)
+- [V2X](/Wireless-Communication/Protocol/V2X)
+- [DECT NR+](/Wireless-Communication/Protocol/DECT-NR-+.md)
+- [Visible light communication](/Wireless-Communication/Protocol/Visible-light-communication.md)
 
 
 ## [Train](/Wireless-Communication/Train/)
diff --git a/Wireless-Communication/Train/WTCMS.md b/Wireless-Communication/Train/WTCMS.md
index f26384d..3774d13 100644
--- a/Wireless-Communication/Train/WTCMS.md
+++ b/Wireless-Communication/Train/WTCMS.md
@@ -44,3 +44,6 @@ La variante 2b réduit la latence de la variante 1, en gardant des antennes qui
 
 Finalement, la variante 2b est la plus réaliste à mettre en place.
 
+## Comparaison de différent protocole
+![Comparaison de protocol](table-comparison-WLTB-radio.png)
+
diff --git a/Wireless-Communication/Train/table-comparison-WLTB-radio.png b/Wireless-Communication/Train/table-comparison-WLTB-radio.png
new file mode 100644
index 0000000..9a66f3e
Binary files /dev/null and b/Wireless-Communication/Train/table-comparison-WLTB-radio.png differ
diff --git a/Wireless-Communication/_navbar.md b/Wireless-Communication/_navbar.md
index 6cc21f4..9ae5e87 100644
--- a/Wireless-Communication/_navbar.md
+++ b/Wireless-Communication/_navbar.md
@@ -1,6 +1,10 @@
 * [Protocol](/Wireless-Communication/Protocol/)
   * [glossaire](/Wireless-Communication/Protocol/glossary)
   * [C-V2X vs ITS-G5](/Wireless-Communication/Protocol/C-V2X-vs-ITS-G5)
+  * [IEEE 802.11](/Wireless-Communication/Protocol/IEEE%20802.11)
+  * [V2X](/Wireless-Communication/Protocol/V2X)
+  * [DECT NR+](/Wireless-Communication/Protocol/DECT-NR-+.md)
+  * [Visible light communication](/Wireless-Communication/Protocol/Visible-light-communication.md)
 
 * [Train](/Wireless-Communication/Train/)
   * [glossaire](/Wireless-Communication/Train/glossary)