May 2012
Intermediate to advanced
768 pages
21h 7m
English
book
CWNA: Certified Wireless Network Administrator Official Study Guide: Exam PW0-105, 3rd Edition
by David D. Coleman, David A. Westcott
Content preview from CWNA: Certified Wireless Network Administrator Official Study Guide: Exam PW0-105, 3rd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 18
High Throughput (HT) and 802.11n
In this chapter, you will learn about the following:
802.11n-2009 amendment
Wi-Fi Alliance certification
MIMO
Radio chains
Spatial multiplexing (SM)
MIMO diversity
Space-Time Block Coding (STBC)
Cyclic Shift Diversity (CSD)
Transmit beamforming (TxBF)
HT channels
20 MHz non-HT and HT channels
40 MHz channels
40 MHz Intolerant
Guard interval (GI)
Modulation and coding scheme (MCS)
HT PHY
Non-HT legacy
HT Mixed
HT Greenfield
HT MAC
A-MSDU
A-MPDU
Block Acknowledgement
RIFS
HT power management
HT operation
20/40 channel operation
HT protection modes (0–3)
RTS/CTS and CTS-to-self
802.11n migration and deployment
In this chapter, we discuss the most talked about Wi-Fi technology that is defined under the ...
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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.