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