Asymptotic capacity of beamforming with limited feedback

Wiroonsak Santipach*, Michael L Honig

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

110 Scopus citations

Abstract

We study the capacity of a single-user channel with multiple antennas and limited feedback. The receiver has perfect channel knowledge, and can relay B bits, which specify a beamforming vector, to the transmitter. We show that a Random Vector Quantization scheme is asymptotically optimal, and give a simple expression for the associated capacity.

Original languageEnglish (US)
Number of pages1
JournalIEEE International Symposium on Information Theory - Proceedings
StatePublished - Oct 20 2004

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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