Nonlinear Sciences – Chaotic Dynamics
Scientific paper
2011-07-28
Phys. Rev. E 85, 015202(R) (2012)
Nonlinear Sciences
Chaotic Dynamics
4 pages, 2 figures
Scientific paper
10.1103/PhysRevE.85.015202
Fading is the time-dependent variation in transmitted signal strength through a complex medium, due to interference or temporally evolving multipath scattering. In this paper we use random matrix theory (RMT) to establish a first-principles model for fading, including both universal and non-universal effects. This model provides a more general understanding of the most common statistical models (Rayleigh fading and Rice fading) and provides a detailed physical basis for their parameters. We also report experimental tests on two ray-chaotic microwave cavities. The results show that our RMT model agrees with the Rayleigh/Rice models in the high loss regime, but there are strong deviations in low-loss systems where the RMT approach describes the data well.
Anlage Steven M.
Antonsen Thomas M.
Ott Edward
Yeh Jen-Hao
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