Results 201 to 210 of about 937 (251)

Research on reliability mapping of 5G low orbit constellation network slice based on deep reinforcement learning. [PDF]

Sci Rep
Xiao Y, Li N, Yu J, Zhao B, Chen D, Wei Z.   +5 more
europepmc   +1 more source

Leveraging Federated Satellite Systems for Unmanned Medical Evacuation on the Battlefield. [PDF]

Sensors (Basel)
Halme K, Kirjamäki O, Pietarinen S, Majanen M, Virtanen K, Höyhtyä M.   +5 more
europepmc   +1 more source

Satellite Constellation Optimization for Emitter Geolocalization Missions Based on Angle of Arrival Techniques. [PDF]

Sensors (Basel)
Asciolla M, Blázquez-García R, Cratere A, Passaro VMN, Dell'Olio F.   +4 more
europepmc   +1 more source

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An Efficient LEO Global Navigation Constellation Design Based on Walker Constellation

2020 IEEE Computing, Communications and IoT Applications (ComComAp), 2020
Compared with medium Earth orbit (MEO) and high Earth orbit (HEO) satellites, low Earth orbit (LEO) satellites have lower cost, smaller power loss and shorter transmission delay, which mean they can be used in many areas like navigation and space-based internet of things (IOT), etc.
Huaijian Li, Xiaojing Du
exaly   +2 more sources

Invulnerability-Based Constellation Design in LEO Satellite Networks

2022 IEEE 22nd International Conference on Communication Technology (ICCT), 2022
, Cuiqin Dai
exaly   +2 more sources

Constellation Structure Design for LEO Mega-constellation with Optical Intersatellite Link

2022 Asia Communications and Photonics Conference (ACP), 2022
Hai Yang, Bingli Guo, Kuan Yan, Xinyuan Deng, Xinbin Cui, Huilin Ren, Shanguo Huang   +6 more
exaly   +2 more sources

Constellation Topology Design for Maximum Capacity of LEO Satellite Networks

IEEE Transactions on Communications
Junyu Liu, Min Sheng, Jiandong Li
exaly   +2 more sources

Impact of multibeam antenna design on interference for LEO constellations

11th IEEE International Symposium on Personal Indoor and Mobile Radio Communications. PIMRC 2000. Proceedings (Cat. No.00TH8525), 2002
The severe constraints characterising satellite communications and the need to reduce the user terminal requirements impose restrictions on obtaining high on-board performance. If satellite systems aim at providing a large set of multimedia services to a large set of users, as standalone systems or as a real complement to terrestrial networks ...
Pierpaolo Loreti, Michele Luglio, L. Palmombini   +2 more
openaire   +1 more source

Design and operation of a non-stationkept LEO constellation

16th International Communications Satellite Systems Conference, 1996
There are a number of programs either currently in progress, or proposed, which are based on constellations of numerous (greater than 10) spacecraft flying in Low Earth Orbit (LEO). The majority of these programs utilize carefully controlled constellation configurations, which rely on accurate maintenance of the orbit parameters.
Robert Cenker, Mark Halverson, Robert Nelson   +2 more
openaire   +1 more source

Regional LEO Satellite Constellation Design Based on User Requirements

2018 IEEE/CIC International Conference on Communications in China (ICCC), 2018
In the traditional satellite constellation design, it is hard to find a suitable method to evaluate the user requirements precisely and the existing algorithms result in a high computing cost. In this paper, a method of designing and optimizing the regional satellite constellation is proposed.
Ji Jiang, Shi Yan 0006, Mugen Peng
openaire   +1 more source