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During the research of supplementary system for visual impairment people, it has been discovered that it is better to use ZigBee wireless technology considering the reliability, portability and flexibility. Through the independent regionally-covered Zigbee networks and the Zigbee terminal with voice prompts, clients will be able to get to the destination correctly and independently according to the...
A collection of slides from the authorpsilas seminar presentation is given. In particular the authors discuss multilayer networks, overlay models, peer model, routing in the optical and MPLS layers, min-phys-hop routing and simulation results.
In telecommunications network design, one of the key parameter is the set of requirements which in the past, were demands based on historical data and/or demographic predictions. Because of new technologies development and customers movement due to competitiveness, the requirements present considerable uncertainty. We propose a model for network design taking into account this uncertainty, which can...
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