February 2003
Intermediate to advanced
352 pages
8h 35m
English
Content preview from Deploying License-Free Wireless Wide-Area NetworksBecome 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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Reflected Waves
When a wireless signal encounters an obstruction while traveling from Point A to Point B, two things normally happen:
Attenuation— In general, the shorter the wavelength of a signal, relative to the size of the obstruction, the more the signal is attenuated.
Reflection— The shorter the wavelength of the signal relative to the size of the obstruction, the more likely it is that some of the signal will be reflected off the obstruction.
The following sections describe two types of reflected waves. One of these two types occurs at microwave frequencies and is important to your understanding of microwave propagation. You might already be familiar with the first type of reflected waves: sky waves.
Sky Waves
The first type of reflected ...
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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.
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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.