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Multiuser detection for interference-limited MIMO systems

  • H Dai
  • Andreas Molisch
Publiceringsår: 2002
Språk: Engelska
Sidor: 45-49
Publikation/Tidskrift/Serie: IEEE 55th Vehicular Technology Conference, 2002. VTC Spring 2002.
Volym: 1
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


We consider the application of multiuser detection to the downlink of interference-limited multiple-input multiple-output (MIMO) cellular systems. MIMO systems have been shown to yield a tremendous capacity for a single link with white Gaussian noise. In a cellular environment, there will often be co-channel interference from other cells, which becomes the dominating channel impairment. Here space-time layered architectures and turbo processing techniques are combined with multiuser detection techniques for combating intercell interference. Among various multiuser detection methods examined, linear MMSE and successive interference cancellation have been shown to be feasible and effective. Based on these two multiuser detection schemes, one of which may outperform the other for different settings, an adaptive detection scheme is developed.


  • Electrical Engineering, Electronic Engineering, Information Engineering
  • adaptive signal detection
  • cellular radio
  • channel capacity
  • cochannel interference
  • multiple access
  • frequency division
  • interference suppression
  • least mean squares methods
  • multiuser channels
  • radio links
  • time division
  • turbo codes
  • white noise
  • Gaussian noise
  • MIMO systems


IEEE 55th Vehicular Technology Conference, 2002. VTC Spring 2002.
  • ISBN: 0-7803-7484-3

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