Free Space Waves

A free-space wave is a signal that propagates from Point A to Point B without encountering or coming near an obstruction, as in Figure 2-5.

Figure 2-5. Free-Space Wave

Figure 2-5. Free-Space Wave

The signal atriots at ps destina tlon with as mirch amplitud e as possible because the amplitude is not reduced by attenuation from objects. The only amplitude reduction that occurs is the normal reduction d ue to ohp signai being pro pagated through free spacee A signal path like this, with no obstructions, is an ideal wireless scenario.

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