JPL's Wireless Communication Reference Website Slide Show

Inphase and Quadrature-Phase Components

Consider two samples of a carrier wave received over a multipath channel

Sample 1 at frequency f₁ at time t₁

Sample 2 at frequency f₂ at time t₂

I(t) and Q(t) are jointly Gaussian random processes

(I₁, Q₁, I₂, Q₂) is a jointly Gaussian random vector

JPL's Wireless Communication Reference Website © Jean-Paul M.G. Linnartz, 1993, 1995.