802.11: Wireless LAN Standard In Computer Networking/ What is a wireless LAN standard?

Within this blog post, we are going to let you know about Wireless LAN Standard In Computer Networking. The IEEE committee standardized the wired LANs was given the task of drawing up a wireless LAN standard. The standard it came up with was named 802.11.

A common slang name for it is WiFi. It is an important standard and deserves respect, so we will call it by its proper name, 802.11.|Wireless LAN Standard In Computer Networking|

The proposed standard had to work in two modes-

  • In the presence of a base station.
  • In the absence of a base station.

In the former case, all communication was to go through the base station, called an access point in 802.11 terminologies. In the latter case, the computers would just send to one another directly.

This mode is now sometimes called Adhoc networking. A typical example is two or more people sitting down together in a room not equipped with a wireless LAN and having their computers just communicate directly. The two modes(802.11) are illustrated in fig below.

Fig1. Wireless LAN Standard 802.11:Wireless LAN Standard In Computer Networking

In particular, some of the many challenges that had to be met where finding a suitable frequency band that was available, Preferably worldwide dealing with the fact that radio signals have a finite range ensuring that users…

privacy was maintained taking limited battery life into account, worrying about human safety (do radio waves cause cancer ?) understanding the implications of computer mobility and finally building a system with enough bandwidth to be economically viable.

What is the difference between WiFi and wireless LAN?

WIFI and Wireless LAN both are different things however both are used for wireless communication. WIFI is wireless communication and wireless LAN uses wireless communication in a local area network.

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