Chapter 8

Cell Phones

It Is Now Possible to Do Anything Wirelessly: Talk, Text, Email, Web Browse, Games, Whatever


This chapter specializes in cell phones. The cellular concepts are outlined and explained. The content of a modern smartphone is revealed. The major technical generations through fourth generation (4G) and fifth generation (5G) are defined. A major part of the coverage is devoted to the special modulation methods and transmission techniques. Among them are orthogonal frequency division multiplex and quadrature amplitude modulation. Special antenna methods such as multiple input and multiple output and beamforming are discussed. Multiple access methods are presented. The latest cellular technology is covered including the 4G ...

Get Electronics Explained, 2nd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.