Mean velocity estimation of mobile stations by spatial correlation of channels in cellular systems

Authors:
Woongsup Lee;Dong-Ho Cho
Affiliations:
School of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea;School of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
Venue:
IEEE Communications Letters
Year:
2009

Citing 2
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Experimental analysis of the joint statistical properties of azimuth spread, delay spread, and shadow fading

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Abstract

We propose a velocity estimation scheme for mobile stations (MSs) in cellular communication systems that uses the azimuth spread (AS), delay spread (DS), and shadow fading of MSs. Due to the fact that the AS, DS, and shadow fading are correlated in the spatial domain, the variation of the AS, DS, and shadow fading of an MS is related to its velocity. And, we also consider the variation of velocity which was not considered in previous velocity estimation studies. Through analysis and numerical results, we show that we can estimate the velocity of an MS with lower estimation error compared to previous estimation schemes, despite of measurement error.