A high resolution model for the satellite-to-indoor channel

Pérez-Fontán, F.; Sanmartín, B.; Steingaß, Alexander; Lehner, Andreas; Selva, J.; Kubista, E.; Arbesser‐Rastburg, B.

doi:10.1109/plans.2004.1309059

Cited by 8 publications

(8 citation statements)

References 2 publications

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“…Generally, the short distances between the obstacles inside the building imply only a short delay of echoes and consequently a small delay spread. Measurements reported in [5] confirm that nearly all echoes arrive within 100 ns at the receiving antenna.…”

Section: Figure 1 Zones Of Indoor Coveragementioning

confidence: 57%

“…Some measurements are presented in [4] about satellite propagation into buildings in the U.S., carried out with a satellite emulator on a mobile tower. Another measurement campaign (in the context of Galileo) is reported in [5], where measurements are performed on different floors but limited to a single building. Also, a lot of research work has been carried out on modelling the radio channel into buildings for terrestrial networks.…”

Section: Introductionmentioning

confidence: 99%

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Simulation and measurement of the satellite to indoor propagation channel at L- and S-band

Hoppe¹,

Hager²,

Heyn

et al. 2006

2006 First European Conference on Antennas and Propagation

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The satellite to indoor propagation channel in L-and Sband is becoming of significant importance because future satellite broadcast and navigation systems (as e.g. S-DMB and Galileo) are aiming at optimum performance in all kind of environments, i.e. even in indoor scenarios. In the framework of the EU FP6 project MAESTRO, Fraunhofer IIS has carried out measurements of the satellite to indoor coverage for the geostationary Worldspace-Afristar satellite for different types of buildings in Athens and Erlangen. The satellite to indoor propagation channel depends on several parameters as building layout and materials. Wave propagation models are mandatory for analysing the various influences in detail. For the accurate simulation a ray-optical model which considers 3D building vector data has been implemented by AWE Communications.

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Section: Figure 1 Zones Of Indoor Coveragementioning

confidence: 57%

Section: Introductionmentioning

confidence: 99%

Simulation and measurement of the satellite to indoor propagation channel at L- and S-band

Hoppe¹,

Hager²,

Heyn

et al. 2006

2006 First European Conference on Antennas and Propagation

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“…That is, degradations due to propagation through building elements such as the roof, external and internal walls, floors, or any other indoor obstacle such as moving persons or furniture. The effects can be summarized into two main parameters [25]: the building entry loss, which accounts for the losses due to propagation through the building materials; and the delay/angle spreading, which accounts for the reflection, refraction, and scattering that cause a single incident ray to be received as an ensemble of clusters of phase-shifted, time-delayed, and attenuated paths. From a more practical …”

Section: Challenging Problems In the Reception Of Gnss Signals Indoorsmentioning

confidence: 99%

“…Several studies and measurement campaigns have been conducted with the aim of characterizing the so-called satellite-to-indoor channel [25]. However, most of these works only address specific aspects of the channel, specific environments, or frequency bands other than the navigation L-band where GNSS operates.…”

Section: Multipathmentioning

confidence: 99%

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Challenges in Indoor Global Navigation Satellite Systems: Unveiling its core features in signal processing

Seco-Granados

López-Salcedo²,

Jimenez-Banos³

et al. 2012

IEEE Signal Process. Mag.

164

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ccurately determining one's position has been a recurrent problem in history [1]. It even precedes the first deep-sea navigation attempts of ancient civilizations and reaches the present time with the issue of legal mandates for the location identification of emergency calls in cellular networks and the emergence of location-based services. The science and technology for positioning and navigation has experienced a dramatic evolution [2]. The observation of celestial bodies for navigation purposes has been replaced today by the use of electromagnetic waveforms emitted from reference sources [3].There is a large variety of radio-navigation systems, ranging from legacy ones dating from the middle of the last century, such as Decca or Loran, to the ones relying on the transmissions from wireless local area network (WLAN) base stations or from the devices found in wireless sensor networks. However, the systems based on satellite transmissions are the ones that play a prominent role today. They are gathered under global navigation satellite systems (GNSS). This term refers to all systems (some of them operational, and others under development) that provide users with positioning information

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Analysis of the GPS acquisition environment: indoors and outdoors

Bitar¹,

Escher

Macabiau

et al.

2006 2nd International Conference on Information &Amp; Communication Technologies

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The emergence of the LBS services (Location Based Services) creates the need for indoor and outdoor positioning. Indoor environments refer to environments inside buildings, and outdoor environments refer to urban environments (streets). Indoor localization poses a true challenge for classical positioning systems. Indeed, radio propagation in indoor environments is affected by several factors particularly multipath, shadowing, cross-correlations, receiver mobility, interference... Urban environments are also challenging environments where multipaths problems are even more pronounced. This paper aims at analyzing such environments in the frame of a state of the art of the GPS acquisition environment.

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A high resolution model for the satellite-to-indoor channel

Cited by 8 publications

References 2 publications

Simulation and measurement of the satellite to indoor propagation channel at L- and S-band

Simulation and measurement of the satellite to indoor propagation channel at L- and S-band

Challenges in Indoor Global Navigation Satellite Systems: Unveiling its core features in signal processing

Analysis of the GPS acquisition environment: indoors and outdoors

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