March 2026
Intermediate to advanced
400 pages
15h 45m
English
Content preview from WIRELESS & MOBILE DEVICE SECURITY Third Edition, 3rd Edition
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Modulation Techniques
Modulation is the process of converting digital information into frequencies that can be transmitted over a radio channel or carrier frequency. The carrier frequency is a constant high-frequency waveform that is used as a carrier for information. Transmitting information over a high-frequency radio wave provides broadcast efficiency over long distances. Common methods include encoding data into changes in amplitude, frequency, phase, or some combination, although there are many more.
This chapter will concentrate on the modulation techniques used in 802.11 communications. The market demand for each new Wi-Fi generation to be faster than the last pushes the IEEE standards bodies to constantly optimize modulation techniques ...
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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.