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Impact of Mobile Acceleration on the Statistics of Rayleigh Fading Channel
 

Summary: 1
Impact of Mobile Acceleration on the Statistics of
Rayleigh Fading Channel
Rauf Iqbal and Thushara D. Abhayapala
Research School of Information Sciences and Engineering
The Australian National University, ACT 200, AUSTRALIA
Emails: Rauf.Iqbal;Thushara.Abhayapala@anu.edu.au
Abstract-- Clarke's model of the received signal statistics in
a mobile isotropic scattering environment assumes a constant
mobile velocity, a consequence of which is that the autocorrelation
function of the received signal and the Power Spectral Density
(PSD) are independent of the absolute time. In this contribution
we relax the assumption of constant mobile velocity and analyze
the statistics of the channel when the mobile receiver has a
constant acceleration. First, we derive expressions for a general
scattering environment and, then, specialize them to the case of
isotropic scattering environment. The autocorrelation and PSD of
the channel are not only a function of the lag, , but the absolute
time index, n as well. There are now two kinds of PSDs: The
conventional PSD , based on the well-known Wiener-Khintchine

  

Source: Abhayapala, Thushara D. - Department of Information Engineering, Australian National University

 

Collections: Computer Technologies and Information Sciences