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
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Chapter 4
Radio Frequency Signal and Antenna Concepts
In this chapter, you will learn about the following:
Active and passive gain
Azimuth and elevation charts (antenna radiation envelopes)
Interpreting polar charts
Beamwidth
Antenna types
Omnidirectional antennas
Semidirectional antennas
Highly directional antennas
Sector antennas
Antenna arrays
Static Beamforming
Dynamic Beamforming
Transmit Beamforming
Visual line of sight
RF line of sight
Fresnel zone
Earth bulge
Antenna polarization
Antenna diversity
Multiple-input multiple-output (MIMO)
MIMO antennas
Indoor MIMO antennas
Outdoor MIMO antennas
Antenna connection and installation
Voltage standing wave ratio (VSWR)
Signal loss
Antenna mounting
Placement
Outdoor mounting considerations
Indoor ...
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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.