Secure communications via cooperating base stations

Osvaldo Simeone, Petar Popovski

Research output: Contribution to journalArticlepeer-review

34 Scopus citations


A novel approach for ensuring confidential communications over infrastructure-based wireless networks is proposed and analyzed from an information-theoretic standpoint. The technique leverages the high-capacity backbone connecting the base stations and prescribes appropriate scheduling of uplink/downlink transmissions in order to create intentional interference without loss of power or spectral efficiency. Analysis is carried out for Gaussian channels and numerical results are provided for fading channels with partial channel state information, showing the promising performance advantages of the considered strategy.

Original languageEnglish (US)
Pages (from-to)188-190
Number of pages3
JournalIEEE Communications Letters
Issue number3
StatePublished - Mar 2008

All Science Journal Classification (ASJC) codes

  • Modeling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering


  • Cellular systems
  • Multiple access channel
  • Secure communications
  • Wire-tap channel


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