NDLI: A probabilistic-constrained leakage-based beamforming for downlink multiple stream MU-MIMO system

Content Provider	IEEE Xplore Digital Library
Author	Huiqin Du Pei-Jung Chung
Copyright Year	2010
Description	Author affiliation: School of Engineering, The University of Edinburgh, UK (Huiqin Du; Pei-Jung Chung)
Abstract	Multi-user multiple-input and multiple-output (MU-MIMO) wireless system has the potential to provide a substantial gain by using transmit beamforming. The main challenge for transmit beamforming design is to suppress the interference from other users/data with imperfect channel state information at transmitter (CSIT). We propose a probabilistic-constrained beamforming design that combines the SLNR criteria with Alamouti coding for the multiple-stream-per-user MU-MIMO system. The proposed beamformer maximizes the average system performance and exterminates inter-data-interference while guaranteeing a low outage probability of serious leakage power performance. Simulation results show that the proposed beamformer achieves the highest signal-to-interference-and-noise ratio (SINR) reliability and provides the strongest robustness against channel imperfections, among the state-of-art transmit beamformers.
Starting Page	1
Ending Page	5
File Size	572974
Page Count	5
File Format	PDF
e-ISBN	9780984589333
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	ICST
Subject Keyword	Array signal processing Interference Probabilistic logic Robustness MIMO Hip Signal to noise ratio
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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