Fig. 8
![Fig. 8](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13638-016-0761-7/MediaObjects/13638_2016_761_Fig8_HTML.gif)
Security gap performance without forward error correction (s=479 bits, tail bit 1, and k=n=480 bits), in the presence of BPSK modulation, perfect scrambling, and FF code
Security gap performance without forward error correction (s=479 bits, tail bit 1, and k=n=480 bits), in the presence of BPSK modulation, perfect scrambling, and FF code