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MIMO channels with limited rate feedback and RVQ
Date
2007-06-13
Author
Yılmaz, Ali Özgür
Guevensen, Goekhan Muzaffer
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The capacity increases promised by multi-input multi-output (MIMO) systems usually come with requirements in regard to channel knowledge. We study the capacity of a MIMO scheme with perfect channel state information (CSI) at the receiver side where the transmitter has only a quantized version of the CSI due to a limited rate feedback channel. Random vector quantization is investigated along with a reduced number of precoders. It is found out that capacity losses are quite tolerable even in the case of small number of bits per quantized precoder.
Subject Keywords
MIMO
,
Channel state information
,
Transmitters
,
State feedback
,
Vector quantization
,
Array signal processing
URI
https://hdl.handle.net/11511/34774
DOI
https://doi.org/10.1109/siu.2007.4298746
Collections
Department of Electrical and Electronics Engineering, Conference / Seminar