From add4909ccf53ea06ab5d81774db4c2e91013c83a Mon Sep 17 00:00:00 2001 From: Nick Leeman Date: Wed, 3 Nov 2021 23:46:47 +0100 Subject: [PATCH] Vault sync: 2021-11-03 23:46:47 --- .obsidian/workspace | 6 +++--- School/Analyse/Layers/2. Datalink Layer.md | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+), 3 deletions(-) diff --git a/.obsidian/workspace b/.obsidian/workspace index 62338f8..bdeea73 100644 --- a/.obsidian/workspace +++ b/.obsidian/workspace @@ -88,14 +88,14 @@ "active": "bc6e8ad9aa0f44c3", "lastOpenFiles": [ "School/Analyse/Layers/2. Datalink Layer.md", + "School/Analyse/Network Software.md", "School/Analyse/Network Types.md", + "School/Analyse/Computer Networks.md", "School/Analyse/Images/distortion.png", "School/Analyse/Images/noise-signal.png", "README.md", "School/Analyse/Layers/3. Network Layer.md", "School/Analyse/Layers/4. Transport Layer.md", - "School/Analyse/Layers/1. Physical Layer.md", - "School/Analyse/Comminucation Mediums.md", - "School/Analyse/Images/modulation-amplitude.png" + "School/Analyse/Layers/1. Physical Layer.md" ] } \ No newline at end of file diff --git a/School/Analyse/Layers/2. Datalink Layer.md b/School/Analyse/Layers/2. Datalink Layer.md index 698647f..e0b527f 100644 --- a/School/Analyse/Layers/2. Datalink Layer.md +++ b/School/Analyse/Layers/2. Datalink Layer.md @@ -32,3 +32,23 @@ Ethernet frame has the following format: ![[ethernet-frame.png]] ## Wireless networks +Wireless networks do not use a physical medium for data transmission. The data is send through radio waves. + +- Each member of a wireless network is called a station. + +Networks are implemented in different sizes: +- Wireless local area networks (WLAN) +- Wireless Metropolitan Area Networks (WMAN) +- Wireless Wide Area Networks (WWAN) + +### BSS Network +A BSS is a network with a specific station called Access Point. + +All transmissions from a station to another are trough the Access Point. + +Access Points also connect the network (BSS) other networks, hence the name internet. + +### AD-HOC Networks +AD-HOC networks do not have a central node (access point). + +Every station can send data direct \ No newline at end of file