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

Yakun Sun; Michael L. Honig

doi:10.1109/isit.2003.1228054

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

Yakun Sun^*, Michael L. Honig

^*Corresponding author for this work

Electrical and Computer Engineering

Research output: Contribution to journal › Conference article › peer-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 language	English (US)
Number of pages	1
Journal	IEEE International Symposium on Information Theory - Proceedings
DOIs	https://doi.org/10.1109/isit.2003.1228054
State	Published - Jan 1 2003
Event	Proceedings 2003 IEEE International Symposium on Information Theory (ISIT) - Yokohama, Japan Duration: Jun 29 2003 → Jul 4 2003

ASJC Scopus subject areas

Theoretical Computer Science
Information Systems
Modeling and Simulation
Applied Mathematics

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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).",

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