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Satellite communication systems

A Compact C-Band Bandpass Filter with an Adjustable Dual-Band Suitable for Satellite Communication Systems

A Compact C-Band Bandpass Filter with an Adjustable Dual-Band Suitable for Satellite Communication Systems

... radar systems and mobile and satellite communications ...to satellite communication systems, the design of microwave filters has challenges associated to several factors, which include ...

18

A compact lowpass filter for satellite communication systems based on transfer function analysis

A compact lowpass filter for satellite communication systems based on transfer function analysis

... communication-one-the-move, where in addition to all strict satellite communication requirements, there is a strong motivation to employ passive, affordable microwave and electromagnetic components ...

22

Architecting Information Security Services for Federated Satellite Systems

Architecting Information Security Services for Federated Satellite Systems

... other satellite communication systems, non-repudiation is a fundamental service in the FSS environment due to the heterogeneity and transaction-based nature of the ...

31

Reliable Cognitive Ultra Wideband Communication Systems Under Coexistence Constraints

Reliable Cognitive Ultra Wideband Communication Systems Under Coexistence Constraints

... Submitted to the IEEE Transaction on Wireless Communication on Dec. 2013 2.1 Abstract Spectrum shaping is of great interest in efficient utilization of the radio spectrum in cog- nitive radio (CR) systems. ...

123

Resource Optimization for Cognitive Satellite Systems with Incumbent Terrestrial Receivers

Resource Optimization for Cognitive Satellite Systems with Incumbent Terrestrial Receivers

... multi-beam satellite when the bandwidth is shared with incumbent primary terrestrial ...the satellite system is limited by interference temperature in order not to disturb the incumbent ...

6

Formalizing Reusable Communication Models for Distributed Systems Architecture

Formalizing Reusable Communication Models for Distributed Systems Architecture

... 2 Systems and Computer Engineering Carleton University Ottawa, Ontario, Canada ...computing systems involves complex concerns integrating a multitude of communication styles, technologies (IoT, cloud ...

20

Position-based Vehicular Communication for Intelligent Transport Systems

Position-based Vehicular Communication for Intelligent Transport Systems

... transportation systems, were considered one of the prime factors for sustainability of the existing transport ...wireless communication, research on leveraging wireless communication between vehicles ...

116

A Multi-Agent Systems Approach for Fraud Detection in Personal Communication Systems

A Multi-Agent Systems Approach for Fraud Detection in Personal Communication Systems

... ideal communication channels for criminals since a call is very difficult if not impossi- ble to trace on a radio ...mobile communication scanners to eas- ily clone a Mobile Identification Number (MIN) and ...

11

2015 — Robustness techniques for Global Navigation Satellite Systems (GNSS) receivers

2015 — Robustness techniques for Global Navigation Satellite Systems (GNSS) receivers

... replacement list of signals to acquire in case of loss of tracked signals (potentially caused by blockage or any type of interference) should be maintained and used at will to reduce as much as possible the measurements ...

228

A CRC usefulness assessment for adaptation layers in satellite systems

A CRC usefulness assessment for adaptation layers in satellite systems

... discard datagrams with one or more fragments corrupted by resilient errors of the satellite channel. The ne- cessity for such mechanism has never been called into question, although the reliability of physical ...

10

Hybrid Satellite-Terrestrial Cooperative Systems : Performance Analysis and System Dimensioning

Hybrid Satellite-Terrestrial Cooperative Systems : Performance Analysis and System Dimensioning

... of satellite systems where services provided by the satellite only are interrupted due to masking ...the satellite signal to the ...the satellite and relay ...

180

Formalizing Reusable Communication Models for Distributed Systems Architecture

Formalizing Reusable Communication Models for Distributed Systems Architecture

... distributed systems, we often use models to denote some abstract representation of a distributed ...such systems, we use a common means of communication [ 3 ], where system components have only local ...

21

2011 — Data transmission oriented on the object, communication media, application, and state of communication systems tactical communication system application

2011 — Data transmission oriented on the object, communication media, application, and state of communication systems tactical communication system application

... CHAPTER 3 DATA MULTIPLEXING 3.1 Introduction In most communication systems, wired or wireless, multiple data streams have to be trans- mitted over a single communication channel. This requires data ...

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Data management of geostationary communication satellite telemetry and correlation to space weather observations

Data management of geostationary communication satellite telemetry and correlation to space weather observations

... Figure 8: EADS Astrium L-Band SSPA with dimensions of 217 mm x 107 mm x 47 mm A satellite anomaly occurs when a component operates outside of its defined threshold for nominal performance. Thresholds are ...

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COMMUNICATION INTEGRITY FOR FUTURE HELICOPTERS FLIGHT CONTROL SYSTEMS

COMMUNICATION INTEGRITY FOR FUTURE HELICOPTERS FLIGHT CONTROL SYSTEMS

... enhance communication integrity, we propose in this paper an end-to-end integrity approach based on error detection ...targeted systems are time-critical and limited in terms of processing and memory ...

16

Characterization of redundant UHF communication systems for CubeSats

Characterization of redundant UHF communication systems for CubeSats

... After exploring multiple options for mitigating the potential damage, the MiRaTA team decided to add a limiter to the Micron Radio and a high pass filter before [r] ...

78

Tensor coding for CDMA-MIMO wireless communication systems

Tensor coding for CDMA-MIMO wireless communication systems

... favier@i3s.unice.fr (G. Favier), nazareth@i3s.unice.fr (M.N. da Costa), andre@gtel.ufc.br (A.L.F. de Almeida), romano@dmo.fee.unicamp.br (J.M.T. Romano) ABSTRACT In this paper, we propose a tridimensional tensor coding ...

6

A timed communication behaviour model for distributed systems

A timed communication behaviour model for distributed systems

... for systems of either synchronously or asyn- chronously communicating objects, and of distributed components ...heterogeneous systems, from point-to-point or multipoint syn- chronisations, to sophisticated ...

212

Follow-up Modelling for Wireless Personal Communication Systems

Follow-up Modelling for Wireless Personal Communication Systems

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

6

Acoustic noise suppression for helicopter communication systems

Acoustic noise suppression for helicopter communication systems

... Furthermore; this indirect noise, because it is combined in the microphone with what the pilots say, creates a major obstacle to the use of voice recognition (VR) syst[r] ...

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