Opportunistic beamforming using dumb antennas

Pramod Viswanath, David N.C. Tse, Rajiv Laroia

Research output: Contribution to journalArticlepeer-review


Opportunistic beamforming was discussed using dumb antennas. The focus was on the downlink of a cellular system. Multiple antennas were used at the base-station to transmit the same signals from each antenna modulated by a gain whose phase and magnitude is changing in time in a controlled but pseudo random fashion. The scheme can be interpreted as performing opportunistic beamforming: the transmit powers and phases are randomized and transmission is scheduled to the user which is close to being in the beamforming configuration.

Original languageEnglish (US)
Article number449
Pages (from-to)449
Number of pages1
JournalIEEE International Symposium on Information Theory-Proceedings
StatePublished - 2002

ASJC Scopus subject areas

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


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