نتایج جستجو برای: heterogeneous satellite network
تعداد نتایج: 852350 فیلتر نتایج به سال:
Starting from the evolution of Internet, this paper addresses the concept of pervasive computing whose aim is to create a pervasive network of heterogeneous devices which communicate data with each other and with other networking devices in a seamless way through heterogeneous network portions. This operative framework is also called Future Internet. Extending the idea of pervasive computing to...
Satellite communication systems are the means of realizing a global broadband integrated services digital network. Due to the statistical nature of the integrated services tra c, the resulting rate uctuations and burstiness render congestion control a complicated, yet indispensable function. The long propagation delay of the earth-satellite link further imposes severe demands and constraints on...
This article investigates the capacity problem of an integrated remote wireless sensor and satellite network (IWSSN) in emergency scenarios. We formulate a general model to evaluate the remote sensor and satellite network capacity. Compared to most existing works for ground networks, the proposed model is time varying and space oriented. To capture the characteristics of a practical network, we...
In the context of next generation 5G networks, the satellite industry is clearly committed to revisit and revamp the role of satellite communications. As major drivers in the evolution of (terrestrial) fixed and mobile networks, Software Defined Networking (SDN) and Network Function Virtualisation (NFV) technologies are also being positioned as central technology enablers towards improved and m...
In this paper, an adaptive attitude control algorithm is developed based on neural network for a satellite using four reaction wheels in a tetrahedron configuration. Then, an attitude control based on feedback linearization control is designed and uncertainties in the moment of inertia matrix and disturbances torque have been considered. In order to eliminate the effect of these uncertainties, ...
Satellite communication systems are the means of realizing a global broadband integrated services digital network. Due to the statistical nature of the integrated services traac, the resulting rate uctuations and burstiness render congestion control a complicated, yet indispensable function. The long propagation delay of the earth-satellite link further imposes severe demands and constraints on...
Satellite networks could offer global communication without need of terrestrial infrastructure. Network coding could exploit the shared nature of wireless medium to improve network throughput. In this paper, we combine the satellite network routing algorithm with network coding, proposing a novel Network Coding based Multipath Opportunistic Routing Algorithm (NC-MORA) for Satellite Networks. Th...
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