COMBINED RATE AND PRECODER DESIGN FOR SLOW FADING CORRELATED MIMO CHANNELS WITH LIMITED FEEDBACK
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United States of America Patent
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Issued Date -
Sep 11, 2008
app pub date -
Feb 29, 2008
filing date -
Mar 9, 2007
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Abandoned
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Abstract
System and methodologies are provided herein for joint rate, precoder, and feedback design adaptation and optimization for wireless communication systems. An optimization component as provided herein can implement an integrated framework for joint design of rate, preceding, and feedback partitioning adaptation policies for slow fading and spatially correlated multiple-input multiple-output (MIMO) communication channels with limited feedback. The optimization component can utilize one or more vector quantization (VQ) optimization techniques wherein a feedback strategy and a transmission adaptation strategy are designed to jointly optimize average system goodput (e.g., average bits/second/Hz successfully delivered to a receiver) based on spatial correlation of the communication channels. In one example, a feedback strategy is designed as a channel state information of receiver (CSIR) partition and a transmission adaptation strategy is designed as rate and precoder codebooks.
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