Reference : Channel Quantization Design in Multiuser MIMO Systems: Asymptotic versus Practical Co...
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Computer science
Engineering, computing & technology : Electrical & electronics engineering
http://hdl.handle.net/10993/7502
Channel Quantization Design in Multiuser MIMO Systems: Asymptotic versus Practical Conclusions
English
Björnson, Emil [> >]
Ntontin, Konstantinos [> >]
Ottersten, Björn mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
May-2011
Channel Quantization Design in Multiuser MIMO Systems: Asymptotic versus Practical Conclusions
3072-3075
Yes
No
International
Proceedings IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
May 2011
IEEE
Prague
Czech Republic
[en] Feedback of channel state information (CSI) is necessary to achieve high throughput and low outage probability in multiuser multi antenna systems. There are two types of CSI: directional and quality information. Many papers have analyzed the importance of these in asymptotic regimes. However, we show that such results should be handled with care, as very different conclusions can be drawn depending on the spatial correlation and number of users. There fore, we propose a quantization framework and evaluate the tradeoff between directional and quality feedback under practical conditions.
Others
http://hdl.handle.net/10993/7502
10.1109/ICASSP.2011.5946307

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