Wireless Channel

Investigate how a wireless channel affects the transmitted signal in the language of DSP operations.

We'll cover the following

For this course, we’ll discuss a simple model for a wireless channel and ignore the intricate details like fading, delay spread, Doppler spread, coherence bandwidth, and coherence time.

Multiple paths

In guided media like optical fiber or a coaxial cable, the transmitted signal does not diverge in all three dimensions. On the other hand, a wireless channel is an unguided medium in which a sent signal traces several different paths before it arrives at the receiver through reflection, diffraction, and scattering. An example of signal paths in a wireless channel is shown in the figure below:

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