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The Internet of Things (IoT) is a new concept that refers to an Internet connecting not just computer systems but a plethora of systems, devices, and objects, collectively referred to as “Things”, and encompasses technologies for identification and tracking, sensing and actuation, both wired and wireless communications, and also, intelligence and cognition. Wireless communications, which is an integral...
The randomness of the network behaviors poses serious challenges for discovering the abnormal patterns in network traffic flows. This paper presents a method based on blind source separation approach for detecting abnormal traffic flows. It decomposes the network traffic into two components: the routine pattern and the abnormal pattern. The scale-space filter with adaptive scale is applied to filter...
In order to eliminate the musical noise remained in the results enhanced by short-time spectral attenuation techniques, this paper proposes a novel a priori SNR estimator. The proposed estimator is built on Burg-based power spectral estimation, which takes into account the properties in estimator of smoothness, accuracy and resolution, with the emphasis on their relationships and influences on de-noising...
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