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We propose very simple randomized algorithms to compute sparse overlay networks for geometric random graphs modelling wireless communication networks. The algorithms generate in constant time a sparse overlay network that, with high probability, is connected and spans the whole network. Moreover, by making use of the "power of choice" paradigm, the maximum(More)
This paper describes and evaluates service-based power setting for the GSM/EDGE Radio Access Network (GERAN). Service-based power setting is a simple radio resource management scheme that allows management of multiple services with controlled Quality of Service (QoS), which is crucial for 3 rd generation systems. Simulation results indicate that with proper(More)
Pilot specifications definition guidelines for the implementation of a KEE solution in the aeronautical domain. Abstract Designing and implementing a Knowledge Management System (KMS) in a Virtual Enterprise is a labour intensive and risky task. Solution prototypes (Pilots) are usually built to verify system effectiveness prior to final implementation. The(More)
While system safety analyses are mostly conducted on the basis of system schematics, this approach do not covers sufficiently the implication of the physical installation of the hardware, especially when the space inside an aircraft is very limited. Additional analyses focused on common causes are necessary and some of the methods used are common practice.(More)
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