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Measured capacity gain using waterfilling in frequency selective MIMO channels

In English

Författare

Summary, in English

We analyze the channel capacity of multiple-input multiple-output (MIMO) systems in frequcncy selective channels, with channel knowledge at the transmitter side. An optimum transmission scheme uses Shannon's principle of waterfilling jointly in the frequency and the spatial domain. However, we show in this paper that the largest gain by using waterfilling 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 court-yard.

Publiceringsår

2002

Språk

Engelska

Sidor

1347-1351

Publikation/Tidskrift/Serie

The 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2002 , vol 1-5, Proceedings

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

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

Conference name

13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications

Conference date

2002-09-15 - 2002-09-18

Conference place

Lisbon, Portugal

Status

Published

ISBN/ISSN/Övrigt

  • ISBN: 0-7803-7589-0