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Wireless sensor networks (WSNs) are used to continuously monitor certain area of interest and send data back to the base station for processing. In many applications, WSNs serve in inhospitable environments where multiple node failure may take place causing the network to be divided into disjoint segments. Also, multiple standalone WSNs in some applications may need to be federated to collectively...
This paper presents a high performance architecture for the reconstruction of compressive sampled signals using Orthogonal Matching Pursuit (OMP) algorithm. Q-R decomposition (QRD) process is used for the matrix inverse core and a new algorithm for finding fast inverse square root of a fixed point number is also implemented to support the QRD process. The optimized architecture takes 256-length input...
This paper presents a low power platform which performs continuous multi-channel detection and analysis of seizures for epilepsy patients. The detection unit, upon detecting a seizure, enables an analysis circuit that locally processes and transmits energy and frequency contents of the EEG data. Transmission traffic reduction of 256x is achieved by locally processing data and transmitting relevant...
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