1 research outputs found
Full-Duplex Transmission Optimization for Bi-directional MIMO links with QoS Guarantees
We consider a bi-directional Full-Duplex (FD) Multiple-Input Multiple-Output
(MIMO) communication system in which nodes are capable of performing transitter
(TX)- Receiver (RX) digital precoding/combining and multi-tap analog
cancellation, and have individual Signal-to-Interference-plus-Noise Ratio
(SINR) requirements. We present an iterative algorithm for the TX powers
minimization that includes closed-form expressions for the TX/RX digital
beamformers at each algorithmic iteration step. Our representative simulation
results demonstrate that the proposed algorithm can reduce residual
Self-Interference (SI) due to FD operation to below -110dB, which is the
typical noise floor level for wireless communications. In addition, our design
outperforms relevant recent solutions proposed for 2-user MIMO systems (the so
called MIMO X channel) in terms of both power efficiency and computational
complexity.Comment: 5 pages, 4 figures, accepted to IEEE GLOBALSIP 201