  Coherent wave propagation in disordered media gives rise to many fascinating
phenomena as diverse as universal conductance fluctuations in mesoscopic metals
and speckle patterns in light scattering. Here, the theory of electromagnetic
wave propagation in diffusive media is combined with information theory to show
how interference affects the information transmission rate between antenna
arrays. Nontrivial dependencies of the information capacity on the nature of
the antenna arrays are found, such as the dimensionality of the arrays and
their direction with respect to the local scattering medium. This approach
provides a physical picture for understanding the importance of scattering in
the transfer of information through wireless communications.
