Figure 3
From: Robust precoder-decoder design for physical layer network coding-based MIMO two-way relaying system
![Figure 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1687-1499-2013-137/MediaObjects/13638_2013_Article_700_Fig3_HTML.jpg)
ABER versus transmit SNR: both relay and source antenna correlations and estimation error. Average BER variation with SNR (γ) for different relay and source node antenna correlations and estimation error variances. N=2, P T /σ2=8γ.