a second entity mechanism configured to determine said first parameter and said second parameter, {HEAD ~ said first parameter} being proportional to {TAIL ~ said rate matching ratio} 
proportional to
a second entity mechanism configured to determine said first parameter and said second parameter , { HEAD ~ said first parameter } being proportional to { TAIL ~ said rate matching ratio }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL