By having {HEAD ~ the power level} of each spread spectrum signal below the predetermined level, then the total power from all spread spectrum used within a cell does not interfere with mobile users in a mobile cellular system, or with microwave users in {TAIL ~ the fixed service microwave system} 
By having { HEAD ~ the power level } of each spread spectrum signal below the predetermined level , then the total power from all spread spectrum used within a cell does not interfere with mobile users in a mobile cellular system , or with microwave users in { TAIL ~ the fixed service microwave system }
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL