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Measured capacity gain using water filling in frequency selective MIMO channels

Publiceringsår: 2002
Språk: Engelska
Sidor: 1347-1351
Publikation/Tidskrift/Serie: 13th IEEE International Symposium on Personal Indoor and Mobile Radio Communications. PIMRC 2002. Proceedings (Cat. No.02TH8637)
Volym: 3
Dokumenttyp: Konferensbidrag
Förlag: IEEE


We analyze the channel capacity of multiple-input multiple-output (MIMO) systems in frequency selective channels, with channel knowledge at the transmitter side. An optimum transmission scheme uses Shannon's principle of water filling jointly in the frequency and the spatial domain. However, we show that the largest gain by using water filling resides in the spatial domain, and that the capacity gain from the frequency domain is very small for MIMO systems. We quantify the gain for a theoretical Rayleigh fading channel model and for microcellular channels as measured in an enclosed courtyard



  • Technology and Engineering
  • microcellular channels
  • spatial domain
  • Rayleigh fading channel
  • frequency selective channels
  • channel capacity gain
  • MIMO channels
  • multiple-input multiple-output systems
  • frequency domain
  • Shannon water filling principle


Proceedings of 13th IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 20020
Pavilhao Altantico, Lisboa, Portugal
  • ISBN: 0-7803-7589-0

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