Low-Complexity Subspace Methods for Channel Estimation and Synchronization in Ultra-Wideband Systems

@inproceedings{Maravic2003LowComplexitySM,
  title={Low-Complexity Subspace Methods for Channel Estimation and Synchronization in Ultra-Wideband Systems},
  author={Irena Maravic and Martin Vetterli},
  year={2003}
}
We consider the problem of low-complexity channel estimation in digital ultra-wideband receivers. We extend some of our recent sampling results for certain classes of parametric non-bandlimited signals and develop several methods that take advantage of transform techniques to estimate channel parameters from a low-dimensional subspace of a received signal, that is, by sampling the signal below the Nyquist rate. By lowering the sampling rate we reduce computational requirements compared to… CONTINUE READING

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