High-resolution spectral analysis techniques for estimating the impulse response of indoor radio channels

The authors present a new approach for estimating the impulse response of indoor radio channels. The technique is based on the use of (1) the information theoretical criteria, (2) a high-resolution spectral analysis technique, and (3) the principal component analysis. It is shown that the new technique can be used to overcome difficulties experienced by conventional methods and, as a result, is able to produce greater accuracy in its estimates of the channel parameters. They demonstrate the use of this technique by carrying out data analysis using measured indoor radio channel data