An improved receiver architecture for cyclic-prefixed OFDM

  • Authors:

  • Giovanni Garbo;Stefano Mangione

  • Affiliations:

  • Dipartimento di Ingegneria Elettrica, Elettronica e delle Telecomunicazioni, Università degli Studi di Palermo, Palermo, Italy;Dipartimento di Ingegneria Elettrica, Elettronica e delle Telecomunicazioni, Università degli Studi di Palermo, Palermo, Italy

  • Venue:
  • WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
  • Year:
  • 2009

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Abstract

A novel Orthogonal Frequency Division Multiplexing receiver architecture to be employed with standard (e.g. Wireless LAN) transmitters is proposed. It features enhanced error-rate performance with flexible computational complexity and robustness to imperfect channel estimation. It is based on exploitation of the redundancy available in the cyclic prefix after cancellation of interference from the previous block. In order to show the effectiveness of our proposal, a number of comparisons to the standard per-subcarrier receiver and a previously existing method are reported.