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The continuous monitoring of patients' vital parameters during recovery, essential in critical situations, is usually performed by dedicated supervision equipments and specialized personnel. For non-critical situations, to reduce the hospitalization and personnel expenses, patient rehabilitation can take place at home, supported by portable devices for vital parameter monitoring. Usually, such devices...
PLC is the acronym for ??PowerLine Communication?? and means data communications via power wiring. PLC was initially used for tele-protection and tele-monitoring of electrical substations by means of high voltage power lines, in order to avoid costs of microwave or fiber optic links. More recently, PLC has been also adopted for automatic smart metering. However, only with the advent of low-cost digital...
The growing interest towards green and efficient use of electrical energy has recently pushed the industry of street light control systems. In the past, very simple on/off switching mechanism based on daylight sensing and cyclic preventive maintenance procedures were adopted. Nowadays, intelligent control systems offering remote supervision have strongly contributed to a change in perspective in maintenance...
This paper deals with the application of the Chirp Spread Spectrum (CSS) modulation for the synchronization of wireless sensors. Chirp modulation is a well known technique for precise localization, originally developed for RADAR applications. When CSS is used for communication purposes, radio frequency pulses are modulated in order to convey also user data. This approach allows for robustness, thanks...
WirelessHART (WH) is a recently standardized wireless fieldbus. The connection between WH and the host plant network is obtained with Access Points and Gateways. These devices have complex (and costly) architecture, but do not offer flexibility with respect to new update of the specification, and have limited diagnostic capabilities. In this paper, the architecture of a smart WH Access Point, which...
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