Research Article
Secrecy Capacity of Time Reversal Beamforming for Multi-User MIMO System under Spatial Correlation
Figure 2
An illustration of CIR vs. multi-path channel. (a) The original CIR for . (b) The original CIR for . (c) The equivalent TR-CIR at the intended user for and . (d) The equivalent TR-CIR at the intended user for and . (e) The equivalent TR-CIR at the eavesdropper for and . (f) The equivalent TR-CIR at the eavesdropper for and .
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