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A wireless multisensor platform for monitoring human's cardiovascular system is presented. The designed sensor node incorporates front-ends for an ECG, an accelerometer and a pressure sensor. The system architecture builds on an openMSP430 processor. The main application for the designed System on Chip (SoC) is the detection of atrial fibrillation (AF). To this end, a dedicated hardware accelerator...
In the future the number of small sensor-based devices is going to increase. The Internet-of-Everything (IoE) vision brings smart miniature electronic devices to objects surrounding our everyday lives. These devices are going to monitor our environment or ourselves. They are also going to execute small tasks based on their observations. Operations of this kind can be done with small low-performance...
Power consumption is an important aspect of almost any electrical device design. Near-Threshold Computing (NTC) is a voltage scaling technique that makes it possible to reduce the power consumption of CMOS devices with the cost of speed and reliability. We are using NTC to design low-power cache memory circuit for a low-performance sensor-based system. Caches consume noteworthy portions of power and...
In the field of IC technologies, there is a constant demand for energy efficiency solutions. Near-Threshold Computing (NTC) is a technique that reduces energy consumption of IC devices, but it also makes them slower. We are applying NTC to a device constructed in 130 nm CMOS technology in the purpose of designing reasonably priced low-power IC devices suitable for low performance applications. In...
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