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Wideband Modeling of Land-Mobile-Satellite Channel in Built-Up Environment

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DOI: 10.4236/jemaa.2012.43013    4,198 Downloads   6,741 Views   Citations

ABSTRACT

This paper presents a propagation model for land-mobile-satellite (LMS) wideband radio channel in built-up environment. The model characterizes the behavior of the radio channel, under shadowing and multipath effects due to buildings, with variation of the elevation angle of the satellite. The wideband parameters (coherent bandwidth and time delay spreading) for LMS channel, in residential and urban environments, are computed. These parameters can be considered as a measure of the amount of ISI (inter-symbol interference) of the radio channel, which distorts the received signal and accordingly increases the bit error rate. The calculated values for these parameters using our model, show very good agreement with the corresponding measured ones, which accordingly shows the validity of the developed model for radio channel design in satellite mobile communication systems.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

A. Jarndal, M. Salameh, A. Alsaqaf and Y. Hulba, "Wideband Modeling of Land-Mobile-Satellite Channel in Built-Up Environment," Journal of Electromagnetic Analysis and Applications, Vol. 4 No. 3, 2012, pp. 101-107. doi: 10.4236/jemaa.2012.43013.

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