February 2004
Intermediate to advanced
312 pages
8h 49m
English
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Operation of the IEEE 802.11 Standard
We now look at two key operations of 802.11 LAN networks from a first mile access per-spective. First we discuss how a wireless station joins an AP and begins communication. The second operation is the process of handoff from one AP to another. In the first case, there are three periods of time when a WLAN user can seek to join an existing BSS. The three periods are as follows: when a WLAN user starts its process (powering up), when a user enters the sleep or dormant mode (not having any active transmission), and when it enters an area that is under the influence (e-m influence) of a BSS. The WLAN user now, while attempting to access the BSS, needs basic synchronization information. This information can be ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.