Fig. 5
From: Physical-Layer-Security Box: a concept for time-frequency channel-reciprocity key generation
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13638-020-01712-6/MediaObjects/13638_2020_1712_Fig5_HTML.png)
Qualitative representation of modem-aided PLS-Box filter-bank with an OFDM waveform
From: Physical-Layer-Security Box: a concept for time-frequency channel-reciprocity key generation
Qualitative representation of modem-aided PLS-Box filter-bank with an OFDM waveform