Energy Efficient Two-Way Non-Regenerative Relaying for Relays with Multiple Antennas

Energy efficient beamforming is studied for a MIMO two-way non-regenerative relaying system with multi-antenna users and a multi-antenna relay. The resulting optimization problem is non-convex. A Dinkelbach based alternating maximization (DAM) method is proposed to achieve an iterative design of the...

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Bibliographic Details
Published in:IEEE signal processing letters 2015-08, Vol.22 (8), p.1079-1083
Main Authors: Jianshu Zhang, Haardt, Martin
Format: Article
Language:English
Subjects:
Antennas
Array signal processing
Beamforming
Convex optimization
Design engineering
energy efficiency
Energy management
Mathematical analysis
Maximization
MIMO
Optimization
Relaying
Relays
Resource management
Signal processing algorithms
two-way relaying
Vectors
Vectors (mathematics)
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Summary:Energy efficient beamforming is studied for a MIMO two-way non-regenerative relaying system with multi-antenna users and a multi-antenna relay. The resulting optimization problem is non-convex. A Dinkelbach based alternating maximization (DAM) method is proposed to achieve an iterative design of the relay amplification matrix and the beamforming vectors at the users.
ISSN:1070-9908
1558-2361
DOI:10.1109/LSP.2014.2386310