The approach to carrier scheme convergence based on 4-weighted fractional fourier transform

  title={The approach to carrier scheme convergence based on 4-weighted fractional fourier transform},
  author={Lin Mei and Xuejun Sha and Naitong Zhang},
  journal={IEEE Communications Letters},
We propose a new variant of a block transmission based on 4-Weighted Fractional Fourier Transform (4-WFRFT), which contains a compatible process of single-carrier (SC) and multi-carrier (MC) modulation. The 4-WFRFT system has an even and symmetrical bit energy distribution on the timefrequency plane that it could achieve a better performance than or equal to those of SC and MC systems in selective fading channels. The approach of 4-WFRFT may facilitate unification of the two competitive carrier… CONTINUE READING
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