Results 41 to 50 of about 11,903 (156)

On the role of satellite communications for emergency situations with a focus on Europe

open access: yes, 2011
International audienceIn this paper, we describe how satellite communications may contribute to disaster management. During emergency situations, satellite communications present many advantages in supporting or replacing a terrestrial infrastructure (if
Matteo Berioli   +14 more
core   +1 more source

A cross-layer approach to enhance QoS for multimedia applications over satellite [PDF]

open access: yes, 2009
The need for on-demand QoS support for communications over satellite is of primary importance for distributed multimedia applications. This is particularly true for the return link which is often a bottleneck due to the large set of end-users accessing a
Exposito, Ernesto   +4 more
core   +1 more source

Interference and Protection in Satellite Laser Communication

open access: yes天地一体化信息网络, 2023
In order to explore the safety protection technologies for various external interferences in satellite laser communication, four interference sources in the satellite laser communication link and their principles were introduced, included atmospheric ...
Chenzhe LAO, Jianfeng SUN
doaj   +2 more sources

Study of different performance measures and their relations in satellite‐based and terrestrial quantum communication

open access: yesIET Quantum Communication, 2021
Rapid developments in quantum communication are paving the way forward for more advanced technologies. Conventional channels like optical fibres have been a great resource in recent decades.
Avik Mukhopadhyay   +4 more
doaj   +1 more source

MBSE for Satellite Communication System Architecting [PDF]

open access: yesIEEE Access, 2019
The risk of failure for aerospace missions can be reduced if architects model the product in a systematic way and make decisions for physical implementation based on stakeholder needs. Satellite communication system architecting should take one of its dominating elements, the communication satellite, into account for consistent modeling during the ...
Su Gao, Wei Cao, Luhai Fan, Jihong Liu
openaire   +2 more sources

Linear Precoding performance analysis in a Broadband satellite system with a 2-color dual-polarization reuse scheme [PDF]

open access: yes, 2013
The potential of Joint Multiuser Processing in multi-beam satellite systems is assessed in this paper and proved to be a potential attractive alternative to current systems.
Vidal, Oriol   +4 more
core  

Reliability Analysis of Spaceborne Electronic Components under Extreme Space Environments

open access: yesSpace: Science & Technology
The application of 6G communication systems across multiple sectors requires advanced satellite communication networks to meet the demands for high-speed transmission, low latency, and secure connectivity. The reliability of radio frequency (RF) modules,
Jianzhong Ding   +3 more
doaj   +1 more source

Stand for measuring the directional characteristics of antennas of satellite communication systems

open access: yesКосмические аппараты и технологии, 2020
The development of network based on satellite communication systems is a promising solution for providing telecommunications services in the Arctic.
A. B. Gladyshev   +4 more
doaj   +1 more source

The Preliminary Design Of A Nano Satellite Engineering Model For Remote Sensing Expe [PDF]

open access: yes, 2003
Nanosatellite means small satellites where the total mass are less than 10kg including the main payloads an Small satellite missions was not only driven by reduction of the space budgets but it was also made possible by of the technology and ...
Md. Said, Md. Azlin   +5 more
core  

Reliable multicast transport by satellite: a hybrid satellite/terrestrial solution with erasure codes [PDF]

open access: yes, 2004
Geostationary satellites are an efficient way to provide a large scale multipoint communication service. In the context of reliable multicast communications, a new hybrid satellite/terrestrial approach is proposed.
L. Dairaine   +11 more
core   +1 more source

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