6、llAttempt次数;CSFB掉话率:(CSFB掉话率=主被叫掉话和主被叫呼叫重建掉话次数/主被叫尝试和主被叫未接通次数之和),(CSFBMTDropCall+CSFBMODropCall+CSFBMODropCall_ReEstablish+CSFBMTDropCall_ReEstablish)/(CSFB MT Call Attempt+CSFB MO Call Attempt+CSFB MO Block Call+CSFB MT Block Call);CSFB全程呼叫完好率:CSFB全程呼叫完好率=(1-(主被叫掉话和主被叫呼叫重建掉话次数/主被叫尝试次数)
7、)*(主叫尝试次数-主叫未接通次数)/主叫尝试次数,具体公式:(1-(CSFBMODropCall+CSFBMTDropCall+CSFB MO Drop Call_ReEstablish+CSFB MT Drop Call_ReEstablish)/(CSFB MO Call Attempt+CSFB MT Call Attempt))*(CSFB MO Call Attempt-CSFB MO Block Call)/CSFB MO Call Attempt;CSFB返回TDL比例:返回TD-LTE比例=主被叫返回TD-LTE成功次数/主被叫返回