Multiple-antenna capacity in the low-power regime

Angel Lozano, Antonia M. Tulino, Sergio Verdú

Research output: Contribution to journalArticlepeer-review

277 Scopus citations


This paper provides analytical characterizations of the impact on the multiple-antenna capacity of several important features that fall outside the standard multiple-antenna model, namely: i) antenna correlation, ii) Ricean factors, iii) polarization diversity, and iv) out-of-cell interference; all in the regime of low signal-to-noise ratio. The interplay of rate, bandwidth, and power is analyzed in the region of energy per bit close to its minimum value. The analysis yields practical design lessons for arbitrary number of antennas in the transmit and receive arrays.

Original languageEnglish (US)
Pages (from-to)2527-2544
Number of pages18
JournalIEEE Transactions on Information Theory
Issue number10
StatePublished - Oct 2003

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Computer Science Applications
  • Library and Information Sciences


  • Antenna correlation
  • Channel capacity
  • Cochannel interference
  • Fading channels
  • Low-power regime
  • Multiple-antenna arrays
  • Rayleigh fading
  • Ricean fading


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