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The use of 802.11 long-distance links is a cost-effective means of providing wireless connectivity to rural areas. Although deployments in such settings are increasing, there are few empirical results reported on the performance of 802.11 over long distances. An empirical evaluation of 802.11 performance over long distances is a non-trivial task since it involves several variables such as the network...
This paper addresses parameter estimation of superimposed signals jointly with their number within the Bayesian framework. We combine sparse Bayesian machine learning methods with the state of the art SAGE-based parameter estimation algorithm. Existing sparse Bayesian methods allow to assess model order through priors over model parameters, but do not consider models nonlinear in parameters. SAGE-based...
This work, composed of the present conference paper plus the associated talk at the conference, explores new paradigms for both active and passive target localization, imaging and inverse scattering that are based on both signal subspace and compressive sensing methods (being of particular interest the basis pursuit problem). The signal subspace component provides signal-subspace-based imaging methods...
In 1980, the novel PLC system was used as a new system to communicate several computers in a building. Then, the PLC communication reliability and transfer rate up to 1600 bps was developed. PLC communication can work in environments with unpredictable parameters and long distances. Nowadays, this communication channel is used in high speed transfer called Broad Power Line (BPL). The main advantage...
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