Correlatively coded OFDM

  • Authors:
  • Char-Dir Chung

  • Affiliations:
  • Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei

  • Venue:
  • IEEE Transactions on Wireless Communications
  • Year:
  • 2006

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Abstract

A class of correlative codes is proposed to significantly improve the spectral performance of the rectangularly pulsed orthogonal frequency-division multiplexing (OFDM) signal with or without cyclic prefix or zero padding. It is analytically shown that the correlatively coded OFDM signal can achieve very high spectral efficiency while yielding an extremely small fractional out-of-band power