2. Wi-Fi Fundamentals: Flashback

 

2. Wi-Fi Fundamentals: Flashback



17.12.2018

Wi-Fi Fundamentals: Flashback – Video: Register for Course


Wi-Fi Fundamentals: Flashback – Transcript:

Wi-Fi Flashback

What will you learn

Wi-Fi Basic Components

Wireless Station (STA) – an addressable destination, but not a fixed location.

A portable STA is one that is moved from location to location, but that is used only while at a fixed location. Mobile STAs actually access the LAN while in motion.

Basic Service Set (BSS) – basic building block of an IEEE 802.11 LAN

BSS is a set of all stations that can communicate with each other at physical layer.

An access point (AP) – any entity that has STA functionality and a distribution system access function (DSAF), which enables access to the distribution system (DS), such as ethernet.

Distribution System (DS) – an element that interconnects BSSs

Wi-Fi Channels

Wi-Fi Channel List

Note that not all channels are used in all regions of the worlds. In particular 14 is not used in EU.

Channels 5.8

WLAN Standards Format

802.11b

802.11a

802.11g

802.11n

802.11ac

802.11ad

802.11 Standards

 

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