Time evolutionary wideband propagation channel model for user positioning in UMTS

Cabrera, M.; Vidal, Josep; Muñoz, Olga

doi:10.1109/vtc.2001.956435

Cited by 7 publications

(2 citation statements)

References 4 publications

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“…On the other hand, each multipath component is characterized with it's time of birth, lifespan and time of disappearance, as well as it's complex amplitude, time delay and azimuth. During the movement of the mobile, amplitude, time delay and azimuth of each propagation component are changing according to the geometrical approach given in [8]. Small-scale fading is modeled through sinusoidal time evolution of component amplitude, during the half period sine, which represents lifespan of certain component [9].…”

Section: Simulationmentioning

confidence: 99%

“…Small-scale fading is modeled through sinusoidal time evolution of component amplitude, during the half period sine, which represents lifespan of certain component [9]. Average number of multipath components is 5 (LOS) and 25 (NLOS) [8]. In case of LOS propagation, simulated propagation channel constains direct component, with zero time dispersion.…”

Section: Simulationmentioning

confidence: 99%

See 1 more Smart Citation

Improving Positioning Accuracy in WCDMA/FDD Networks Utilizing Adaptive Threshold for Direct Component Detection

Begovic¹,

Nešković²

2015

IJWMN

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In NLOS propagation conditions power of direct component can be attenuated significantly. Therefore detection of direct component is aggravated which can degrades accuracy of Time of Arrival mobile positioning. The goal of this paper is to determine possibilities to improve estimation of direct component time delay by reducing detection threshold. Three different methods for calculating threshold has been tested and compared in terms of positioning error.

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Section: Simulationmentioning

confidence: 99%

Section: Simulationmentioning

confidence: 99%