MoM solutions to building blockage of mobile satellite communications

Salameh, M. S. H. Al; Mahmoud, S.A.

doi:10.1080/00207217.2011.609974

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2012

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“…In general these models can be classified in to narrowband and wideband models. The first one is concerned with voice/data applications of smaller signal bandwidth with respect to the coherent band-width of the channel [5,6]. Lower attention has been given for wideband modeling of LMS channel, which becomes critically required for multimedia applications of higher bit rate.…”

Section: Introductionmentioning

confidence: 99%

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

Jarndal¹,

Salameh²,

Alsaqaf³

et al. 2012

JEMAA

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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

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Section: Introductionmentioning

confidence: 99%