Intra-Vehicular Path Loss Comparison of UWB Channel for 3-11 GHz and 55-65 GHz

This paper provides a comparison of a real-world intra-vehicular radio channel measurements of the ultra-wide frequency bands, namely the 3-11 GHz and the 55-65 GHz. The measurement campaign was performed utilizing a vector network analyzer (VNA) and a frequency domain method ensuring a high dynamic range of 70 dB and a frequency resolution of 10 MHz. An inverse Fourier transform is exploited for a transition of the measured data into the time domain and to obtain a channel impulse response (CIR). A delay spread and a path loss are derived and compared. Measured data is freely available online: http://www.radio.feec.vutbr.cz/GACR-13-38735S/.

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