The present invention overcomes the disadvantages of {HEAD ~ known trellis codes} generated via {TAIL ~ design rules} having very simple structure 
The present invention overcomes the disadvantages of { HEAD ~ known trellis codes } generated via { TAIL ~ design rules } having very simple structure
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH