The reordered symbols are provided to Walsh spreader 90, which spreads the reordered symbols in {HEAD ~ accordance} with {TAIL ~ a predetermined code sequence} WT 
with
The reordered symbols are provided to Walsh spreader 90 , which spreads the reordered symbols in { HEAD ~ accordance } with { TAIL ~ a predetermined code sequence } WT
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH