Results 211 to 220 of about 2,365 (260)

Adaptive BDS RTK Positioning with Azimuth-Integer-Based Elevation Masking for Real-Time Deformation Monitoring in Mining Environments. [PDF]

Sensors (Basel)
Zhu L, Li M, Zhao J, Chen B, An Z, Zhang P.   +5 more
europepmc   +1 more source

Satellite Selection Strategy and Method for Signals of Opportunity Navigation and Positioning with LEO Communication Satellites. [PDF]

Sensors (Basel)
Tao Y, Guo Y, Wang S, Yu C, Zhu Z.
europepmc   +1 more source

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Doppler Shift Distribution in Satellite Constellations

IEEE Communications Letters
Bassel Al Homssi, Akram Al-Hourani
exaly   +2 more sources

Satellite-constellation design

Computing in Science & Engineering, 1999
Presents the rudiments of constellation design to familiarize the reader with some of this field's methods, issues, and concerns. Two exotic constellations are under consideration for various missions.
openaire   +1 more source

A Novel Constellation of Satellites

2006 2nd International Conference on Information & Communication Technologies, 2006
A novel constellation of low earth equatorial orbit (LEQ) satellites is proposed to provide continuous coverage for countries with maximum latitude limit of plusmn25deg. Analysis and computer simulation results show that for such coverage with a minimum elevation angle of 10deg, a maximum number of 16 LEQ satellites is required.
R. Danesfahani, M. Pirhadi
openaire   +1 more source

Satellite constellations in the ascendant

IEE Review, 1998
Geostationary orbit has been a home to communications satellites for more than 30 years. In this paper, the author investigates how, with the advent of the satellite mobile phone, they are now taking up residence in low Earth orbit.
openaire   +1 more source

Optimization of Satellite Constellations

2010
Constellations of satellites are used for a steady and efficient monitoring of selected regions of the Earth.
M. Knauer, C. Büskens
openaire   +1 more source

Hybrid Configurations for Satellite Constellations

1998
Orbital configuration design for satellite constellations is currently based on strongly regular models, as they make easier the coverage analysis. This paper deals with the widening of these symmetry constraints, leading to the so-called hybrid configurations.
openaire   +2 more sources

MPLS-Based Satellite Constellation Networks

IEEE Journal on Selected Areas in Communications, 2004
Nongeostationary satellite constellations with intersatellite links are a challenge for networking due to their continuously changing topology. In order to make maximal use of the network's capacities, special attention has to be paid to routing and traffic engineering.
Donner, A., Berioli, M., Werner, M.
openaire   +2 more sources

An MPLS networking concept for satellite constellations

2003
MPLS has been designed for IP backbone networks and offers many possibilities to exert influence on traffic flows. Therefore it is an attractive candidate for use in broadband non-geostationary satellite constellations with their continuously changing topologies.
Donner, A., Berioli, M., Werner, M.
openaire   +2 more sources