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This letter introduces an antenna array calibration method that uses the channel response with known subject direction so as to accurately estimate living-body directions in multipath environments for elderly monitoring. Said calibration is extracted from the known living-body direction information using the Fourier transformed channel matrix. An experiment shows that the proposed method offers successful...
Radar for estimating living-body direction has been studied, recently. However, the calibration of the array antenna is required since the phase error in the array antenna causes angle error in the estimated direction. In this paper, a simple calibration method that uses the channel response with known subject direction is presented. The experiment showed that the proposed method can calibrate the...
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