IEEE 802.11 is a set of medium access control (MAC) and physical layer (PHY) standards that enable wireless devices to exchange data or connect to the internet using radio waves.
The 802.11 family of standards is divided into several sub-standards, such as 802.11b, 802.11g, 802.11n, and 802.11ac.
Each of these standards use different physical layer modulation formats and coding rates to determine how data is sent over the air and at what data rates.
The 802.11 Physical Layer uses bursted transmissions or packets, which contain a Preamble, Header and Payload Data.
The Preamble allows the receiver to obtain time and frequency synchronization and estimate channel characteristics for equalization.
To connect to a WLAN network, a device has to be equipped with a wireless network interface controller.
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The 802.11 standards have enabled millions of electronic devices to exchange data or connect to the internet wirelessly using radio waves.
The key advantage of IEEE 802.11 devices is that they allow less-expensive deployment of Local Area Networks (LANs).
Wi-Fi: Overview of the 802.11 Physical Layer and Transmitter ...
The Native 802. 11 Wireless LAN interface was superseded in Windows 10 and later by the WLAN Universal Driver Model (WDI). Related topics WLAN Universal Driver Model Previous Versions of Network…
Native 802.11 Wireless LAN Drivers - Windows drivers
802.11ac is a Wi-Fi standard that delivers higher throughput to WLANs than 802.11n, the preceding Wi-Fi standard. The IEEE introduced 802.11ac in 2013. The Wi-Fi Alliance since renamed 802.11ac as…
What Is 802.11ac? - Cisco