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Data science augments manual data understanding with machine learning for potential performance increase. In this paper, data science methodology is examined to enhance machine learning application in smartphone based automatic human activity recognition (HAR). Eventually, a modified feature engineering and a novel post-learning data engineering are proposed in the machine learning framework as the...
Substrate Integrated waveguide based 6-element array of Planar Inverted F antenna (PIFA) has been proposed and analyzed parametrically. The antenna is fed with coupled transverse slots on a plate laminated waveguide cavity to ensure wide bandwidth and simplicity of feeding network. The two-layer structure has one layer dedicated for feeding network and the other layer dedicated for radiating elements...
Wireless sensor networks are emerging systems that can be used to monitor a variety of environments and communicate data to the relevant destination. This work scrutinizes the broadcast overhead problem in distributed sensor networks and propose a probabilistic structure (bloom filter) based technique, a new broadcast structure that attempts to reduce the number of duplicate copies of a packet at...
The presence medicine usually leads to explosive costs for a full medical coverage in particular for rural areas, frequent nomadic patients and mass casualty incidents. Therefore, advanced tele-medicine such as mobile health (m-Health) is gaining at importance. Body Sensor Networks (BSN) represent a fundamental tool to enable future tele-medicine. In this paper, we present a novel experimental BSN...
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