August 2024
Beginner
216 pages
5h 24m
English
Content preview from Exploring Computer Hardware
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Cellular Networks
A cellular network or mobile network is a wireless network distributed over land and is divided into areas called cells. Each of these cells is assigned a set of frequencies and is served by a radio base station (labelled F1-F4 in the diagram). The frequencies can be reused in other cells, provided that the same frequencies are not reused in neighboring cells to avoid interference. Examples include GSM, 2G, 3G, 4G, and 5G.
On a GSM cellular network, the frequency in each cell is divided up using a process known as time-division multiple access (TDMA). This allows large numbers of phones to connect at the same time using 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.