Abstract
Ultrawideband (UWB) signals, due to their large bandwidth, can capture the fine temporal resolution of multipath propagation channel. This can be used for extracting geometric information related to the surrounding environment. In particular, Time Domain P410 UWB radios are used in our experiments, for channel sounding in bi-static and monostatic modes. In this paper, UWB radio pulses are used to determine the channel impulse response (CIR) in indoor environment. Based on the measured CIR, a statistical model is developed that is used in detection and range estimation of moving objects in indoor line-of-sight environment. The CIR measurements at different distances are used to study and model various channel characteristics in time and frequency domain. Our results show that UWB radar is capable of accurately detecting trajectory and speed of moving objects in indoor environments with minimum post-processing.
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