July 2011
Intermediate to advanced
1240 pages
37h 23m
French
Content preview from Les réseaux
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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.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.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.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.
Partie V
Les réseaux de mobiles
Les réseaux hertziens concernent l’ensemble des systèmes de communication qui utilisent les voies hertziennes. Ces réseaux se présentent quasiment toujours sous la forme de réseaux cellulaires, c’est-à-dire d’un ensemble de zones géographiques, appelées cellules, arrosées par des antennes situées au centre. Les réseaux de mobiles utilisent ces réseaux hertziens cellulaires en permettant le passage d’une cellule à une autre sans couper la communication. Les réseaux sans fil, au contraire, ne permettent que le nomadisme, c’est-à-dire le déplacement de l’utilisateur entre les connexions, l’utilisateur restant immobile lors de la connexion. Les réseaux satellite forment un troisième exemple de réseau hertzien, avec ...
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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.