Downlink-uplink duality and effective bandwidths

David N.C. Tse, Pramod Viswanath

Research output: Contribution to journalConference article

Abstract

Duality between uplink and downlink beamforming problems was discussed. The duality was exhibited and used to show that effective bandwidth results were obtained for the uplink and translated into effective bandwidth results for the downlink. The duality was observed in the contexts of the capacity of a point-to-point multiple transmit, multiple receive antenna channel, the degraded Gaussian broadcast channel and of a downlink of a multiple antenna system employing linear transmission strategies.

Original languageEnglish (US)
Number of pages1
JournalIEEE International Symposium on Information Theory - Proceedings
StatePublished - Sep 12 2002
Externally publishedYes
Event2002 IEEE International Symposium on Information Theory - Lausanne, Switzerland
Duration: Jun 30 2002Jul 5 2002

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Information Systems
  • Modeling and Simulation
  • Applied Mathematics

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