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This paper presents a wirelessly powered implantable electrochemical sensor tag for continuous blood glucose monitoring. The system is remotely powered by a 13.56-MHz inductive link and utilizes an ISO 15693 radio frequency identification (RFID) standard for communication. This paper provides reliable and accurate measurement for changing glucose level. The sensor tag employs a long-term glucose sensor,...
This study proposes an RC-filtered stress-decoupled (RCSD) 4T2R nonvolatile TCAM (nvTCAM) to 1) suppress match-line (ML) leakage current from match cells (IML-M), 2) reduce ML parasitic load (CML), 3) decouple NVM-stress from wordlength (WDL) and IML-MIS. RCSD reduces NVM-stress by 7+x, and achieves a 4+x improvement in speed-WDL-capacity-product. A 128×32b RCSD nvTCAM macro was fabricated using HfO...
A target tracking algorithm with energy consideration in wireless sensor networks is studied. In order to balance the local energy consumption of a dynamic clustering owing to excessive use of an individual node, a assess strategy based on the energy consumption model is applied to describe the relation of the residual energy of some node and the distance between two sensors. According to tracking...
In this paper, a particle swarm optimization approach for the energy-based acoustic source localization of a wireless sensor network is presented. For this work, it is assumed that there is one acoustic source with unknown localizations which transmit acoustic signals that can be received by the nodes. The only available information to the system is the received signal energy which is not very accurate...
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