Results 121 to 130 of about 337 (177)
Enhancing Maritime Cybersecurity through Operational Technology Sensor Data Fusion: A Comprehensive Survey and Analysis. [PDF]
Sensors (Basel)Potamos G, Stavrou E, Stavrou S.
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DOD SATCOM Growth Measurement and Planning
MILCOM 2022 - 2022 IEEE Military Communications Conference (MILCOM), 2022Armando J. Vigil +5 more
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Commercial SATCOM communications protection: Commercial SATCOM resilience to jamming
2011 - MILCOM 2011 Military Communications Conference, 2011Commercial satellite communications are occasionally targeted by jamming for political/ideological reasons or suffer the effects of accidental interference. Jamming is rare enough that it is generally considered a tolerable business risk. Traditionally the threat has not been preemptively mitigated with anti-jam technologies.
Wiliam Hreha, Dave Grybos, Rob Singh
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MIMO Applicability to UHF SATCOM
2016 IEEE Global Communications Conference (GLOBECOM), 2016Narrowband satellite communications (SATCOM) in the ultra high frequency (UHF) band is an attractive option within the military SATCOM (MILSATCOM) community. The UHF user terminals (UTs) are typically low cost, easily deployable and have broad beamwidths so that precise pointing to the satellite is not a requirement for mobile users.
Balachander Ramamurthy +2 more
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Secure MIMO SATCOM Transmission
MILCOM 2013 - 2013 IEEE Military Communications Conference, 2013An analysis on the secrecy capacity of a primary MIMO satellite link as compared to that of an eavesdropper is provided. It is presumed that the information sent by the satellite Alice is addressed to a limited number of ground terminals Bob but could potentially be eavesdropped by an unlimited and unknown number of malicious ground terminals Eve that ...
Andreas Knopp +2 more
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Optimization of compact SATCOM terminals
2012 Military Communications and Information Systems Conference (MilCIS), 2012A strategy to optimize dual-reflector antennas for compact Satellite Communications (SATCOM) terminals to meet various user-specified requirements is described. An overview of the method and design methodology is given, and some of the challenges in designing compact antennas as compared to traditional large Earth Station antennas are described.
Christophe Granet +3 more
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ACM SIGMETRICS Performance Evaluation Review, 2019
State-of-the art multi-gateway ground segments follow the architectural trends in cellular networks (C-RAN approachs)and uses the same kind of connectivity. That being said, the specificity of the link characteristics make the use of TCP proxies essential for both good radio ressource exploitation and good end-users' quality of service.
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State-of-the art multi-gateway ground segments follow the architectural trends in cellular networks (C-RAN approachs)and uses the same kind of connectivity. That being said, the specificity of the link characteristics make the use of TCP proxies essential for both good radio ressource exploitation and good end-users' quality of service.
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EHF options for contested SATCOM
2011 - MILCOM 2011 Military Communications Conference, 2011The capacity limitations and jamming vulnerability of transponder satellites, both commercial and military, are of increasing concern to warfighters heavily dependent on SATCOM for beyond-line-of-sight connectivity. EHF payloads offer a robust, jam-resistant waveform but capacity is limited and both satellites and terminals are expensive.
Leonard Schiavone, David Hendry
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Satcom Access in the Evolved Packet Core
2012Satellite communications (Satcom) networks are increasingly integrating with terrestrial communications networks, namely Next Generation Networks (NGN). In the area of NGN the Evolved Packet Core (EPC) is a new network architecture that can support multiple access technologies. When Satcom is considered as another access technology, EPC can provide the
Cano Soveri, M.D. +2 more
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Realising personal SATCOM antennas
Tenth International Conference on Antennas and Propagation (ICAP), 1997Designing a constellation of low orbiting satellites with lowered orbits, higher radiated powers and complex beam shaping are obvious ways of making existing types of personal handset antennas practically realisable. An obvious question is whether or not the requirements for personal satellite terminals are much different from existing personal mobile ...
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