Interference management using nonlinear relaying

  • Authors:
  • Majid N. Khormuji;Ali A. Zaidi;Mikael Skoglund

  • Affiliations:
  • School of Electrical Engineering and the ACCESS Linnaeus Center, Royal Institute of Technology (KTH), Stockholm, Sweden;School of Electrical Engineering and the ACCESS Linnaeus Center, Royal Institute of Technology (KTH), Stockholm, Sweden;School of Electrical Engineering and the ACCESS Linnaeus Center, Royal Institute of Technology (KTH), Stockholm, Sweden

  • Venue:
  • IEEE Transactions on Communications
  • Year:
  • 2010

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Abstract

We consider the three-node Gaussian relay channel where the relay observes a noisy version of the interference present in the source-destination link. We investigate three fundamental relaying approaches: linear relaying, memoryless nonlinear relaying, and compress-and-forward (CF). For interference-limited cases, we illustrate that optimized memoryless nonlinear relaying almost achieves the capacity.