{HEAD ~ The present invention} also provides {TAIL ~ a significant advance} in the theory of space time codes, as it provides a code design method involving a powerful set of design rules in the binary domain 
provides
{ HEAD ~ The present invention } also provides { TAIL ~ a significant advance } in the theory of space time codes , as it provides a code design method involving a powerful set of design rules in the binary domain
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH