NDLI: A non-stationary one-ring scattering model

Content Provider	IEEE Xplore Digital Library
Author	Borhani, A. Patzold, M.
Copyright Year	2013
Description	Author affiliation: Fac. of Eng. & Sci., Univ. of Agder, Grimstad, Norway (Borhani, A.; Patzold, M.)
Abstract	This paper introduces a non-stationary one-ring scattering model in which the mobile station (MS) can move along a straight line from the ring's center to the border of the ring. This movement results in a time-variant angle-of-arrival (AOA), which is modeled by a stochastic process. We derive the first-order density of the AOA process in closed form. Subsequently, a closed-form expression is provided for the local power spectral density (PSD) of the channel. We also formulate the local autocorrelation function (ACF) of the complex channel gain in integral form, from which a highly accurate closed-form approximation is derived. Furthermore, the average Doppler shift and the Doppler spread of the channel are computed. The analytical results are illustrated and physically explained. It is shown that non-stationarity in time contradicts the common isotropic scattering assumption. The merit of this study is to open a new window to the performance analysis of mobile communication systems under non-stationary channel conditions.
Sponsorship	IEEE Commun. Soc.
Starting Page	2620
Ending Page	2625
File Size	3554191
Page Count	6
File Format	PDF
ISBN	9781467359382
ISSN	15253511
e-ISBN	9781467359399
e-ISBN	9781467359375
DOI	10.1109/WCNC.2013.6554975
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Doppler shift Scattering Channel models Mathematical model Stochastic processes Approximation methods local autocorrelation function Channel modelling non-stationary channels one-ring scattering model local power spectral density
Content Type	Text
Resource Type	Article

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