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Falls and their corresponding physiological parameters monitoring are very important for the elder health care. A body sensor network (BSN) system working in 2.4 GHz with a star topology is proposed in this paper. The body parts of the BSN used CC2520 chips for communication, deploying an acceleration sensor node on the head, a pulse sensor node on the wrist, two plantar pressure sensor nodes on the...
Current statistical model actually is a modified Singer model, its mean value is the forecast value of current acceleration, the random maneuvering acceleration is still supposed to one order time correlative process in time axis. Because current statistical model can identify the maneuvering acceleration online and adjust the state noise covariance matrix, it is more close to reality compared to...
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