Asymptotic capacity of multi-carrier transmission over a fading channel with feedback

Yakun Sun*, Michael L. Honig

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

11 Scopus citations

Abstract

We study the asymptotic capacity of multi-carrier transmission through a frequency-selective fading channel with limited feedback. The rate at which the capacity increases is characterized as a function of the number of sub-channels N for the uniform power distribution over an optimized subset of channels, and optimal water filling. For Rayleigh fading, we also consider a finite-precision rate control scheme and show that the O(log N) increase in data rate can be achieved with a feedback rate, which grows as O(log3 N). If the number of active subchannels is bounded, then the capacity grows only as O(log log N).

Original languageEnglish (US)
Number of pages1
JournalIEEE International Symposium on Information Theory - Proceedings
DOIs
StatePublished - Jan 1 2003
EventProceedings 2003 IEEE International Symposium on Information Theory (ISIT) - Yokohama, Japan
Duration: Jun 29 2003Jul 4 2003

ASJC Scopus subject areas

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

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