: Fax program
: 2013-05-03 18:03:38
Description: Rayleigh fading channel, Rayleigh fading channel) is a statistical model of radio signal propagation environment. This model assumes that the signal through a wireless channel, its signal amplitude is random, show the "decline" features, and multipath fading signal envelope obeys Rayleigh distribution. As a result, the multipath fading is also called Rayleigh fading. The channel model can be described by the ionosphere and troposphere reflect shortwave channel, as well as a built-up urban environment. Rayleigh fading is only applicable to direct signal from the transmitter to the receiver does not exist, or rice fading channels as channel models should be used.