Improved pilot-based LS and MMSE channel estimation using DFT for DVB-T OFDM systems

@article{Khan2013ImprovedPL,
  title={Improved pilot-based LS and MMSE channel estimation using DFT for DVB-T OFDM systems},
  author={Abid Muhammad Khan and Varun Jeoti and M. A. Zakariya},
  journal={2013 IEEE Symposium on Wireless Technology & Applications (ISWTA)},
  year={2013},
  pages={120-124}
}
In this paper channel estimation techniques for Digital Video Broadcasting Terrestrial (DVB-T) based OFDM transmission and reception are investigated. Channel estimation based on comb type pilot arrangement is studied through Discrete Fourier Transform (DFT) algorithm. The estimation of channel at pilot frequencies is based on Least Squares (LS) and Minimum Mean Square Error (MMSE) estimators while interpolation is done using linear and spline cubic interpolation. Existing channel estimation… CONTINUE READING

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