{HEAD ~ The MIMO OFDM system} may comprise {TAIL ~ at least one MIMO OFDM transmitter} and at least one MIMO OFDM receiver 
comprise
{ HEAD ~ The MIMO OFDM system } may comprise { TAIL ~ at least one MIMO OFDM transmitter } and at least one MIMO OFDM receiver
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH