Hence {TAIL ~ these decoders} improve the iterative decoding process on finite length graphs and have the potential to outperform {HEAD ~ the standard floating point BP decoder} in the error floor region 
Hence { TAIL ~ these decoders } improve the iterative decoding process on finite length graphs and have the potential to outperform { HEAD ~ the standard floating point BP decoder } in the error floor region
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH