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