Feedback from one or more receivers may be used by a transmitter to improve quality, {HEAD ~ capacity}, and {TAIL ~ scheduling} in MIMO OFDM communication systems 
Feedback from one or more receivers may be used by a transmitter to improve quality , { HEAD ~ capacity } , and { TAIL ~ scheduling } in MIMO OFDM communication systems
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH