Ultra-wideband (UWB) indoor channel characteristics which incorporate human body effects are analyzed. Channel impulse responses (CIRs) are measured in the frequency band of 3 GHz to 4.6 GHz in four different classrooms. For each measurement site, the proportion of occupied seats is changed to observe the effect of the number of people on the wireless propagation channel. First, path-loss exponents are calculated from the measurement data. After that, using Inverse Fast Fourier Transform (IFFT), CIRs are derived. Based on the CIRs, the comparison among the bit error rate performance, partial Rake receiver, and selective Rake receiver are investigated. The result shows that the human body effect including changes of population on UWB channel should be considered when the performances of UWB communication system are evaluated.
Indoor Ultra-Wideband Channel Characteristics Considering Human Body Effect
2015-09-01
210078 byte
Conference paper
Electronic Resource
English
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