I/Q imbalance compensation and channel equalization in OFDM receivers

  • Authors:

  • S. Ravi;B. Rishikesh Kamath;A. Suhaas Bhargava;S. Aishwarya;S. V. Manohj;P. Sudheesh

  • Affiliations:

  • Department of Electronics and Communication Engineering, Amrita Vishwa Vidyapeetham., Coimbatore, Tamil Nadu, India;Department of Electronics and Communication Engineering, Amrita Vishwa Vidyapeetham., Coimbatore, Tamil Nadu, India;Department of Electronics and Communication Engineering, Amrita Vishwa Vidyapeetham., Coimbatore, Tamil Nadu, India;Department of Electronics and Communication Engineering, Amrita Vishwa Vidyapeetham., Coimbatore, Tamil Nadu, India;Dept of ECE, Amrita Vishwa Vidyapeetham;Dept of ECE , Amrita Vishwa Vidyapeetham

  • Venue:
  • ICNVS'10 Proceedings of the 12th international conference on Networking, VLSI and signal processing
  • Year:
  • 2010

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Abstract

IQ imbalance that is prominent in Decision-directed architecture can cause significant degradation in the performance of wireless communication systems. In this paper, a discussion of a new algorithm that uses both training and data symbols in a decision-directed fashion to jointly estimate and compensate for the effects of the channel and high receiver I/Q imbalance is presented.