Chapter 17
Wireless Signals and Modulation
This chapter covers the following subjects:
Understanding Basic Wireless Theory: This section covers the basic theory behind radio frequency (RF) signals, as well as measuring and comparing the power of RF signals.
Carrying Data Over an RF Signal: This section provides an overview of basic methods and standards that are involved in carrying data wirelessly between devices and the network.
Wireless LANs must transmit a signal over radio frequencies to move data from one device to another. Transmitters and receivers can be fixed in consistent locations, or they can be free to move around. This chapter covers the basic theory behind wireless signals and the methods used to carry data wirelessly.
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