如何计算CDMA2000 Predicted Sensitivity，使用的是高通平台的非信令测试Xtt？

请教一下，如何计算CDMA2000 Predicted Sensitivity，使用的是高通平台的非信令测试Xtt，
RxSensitivityPredictionStatus: PASS
Temp (C) Band Channel Cell Power (dBm) Traffic Gain (dB) Traffic Data Rate RX Chain RC RL PC Use Target Tx Power Tx Power Expected (dBm) Measurement Type CDMA2000 Max SER Prediction Limit CDMA2000 Min SER Prediction Limit CDMA2000_PredictionType Call Drop Count Call Drop Count Max SER Measured (%) SER Measured Max CDMA2000 Predicted Sensitivity CDMA2000 Predicted Sensitivity Max Output Power Measured (dBm) MeasurementIntegrity Mobile Reported FER Time (s)
22 CDMA 800 1013 -108 -15.6 FR PRIM RC1 Active Yes 31 SER 12 6 LOG_LINEAR 0 3 8.93012 999 -108.805 -104 -999.9 GOOD 6.94444 2.47

QLIB_FTM_CDMA2000_GET_FCH_STAT( iNumFrame = 10, iFrameError = 0, dFER = 0.00, iNumSymbol = 3840, iSymbolError = 361, dSER = 9.40 )
34:24:068 QMSL_LOG_C_HIGH_LEVEL_START QLIB_FTM_CDMA2000_GET_FCH_STAT()
34:24:071 QMSL_LOG_C_HIGH_LEVEL_STOP QLIB_FTM_CDMA2000_GET_FCH_STAT( iNumFrame = 21, iFrameError = 1, dFER = 4.76, iNumSymbol = 8064, iSymbolError = 749, dSER = 9.29 )
34:24:272 QMSL_LOG_C_HIGH_LEVEL_START QLIB_FTM_CDMA2000_GET_FCH_STAT()
34:24:275 QMSL_LOG_C_HIGH_LEVEL_STOP QLIB_FTM_CDMA2000_GET_FCH_STAT( iNumFrame = 31, iFrameError = 2, dFER = 6.45, iNumSymbol = 11904, iSymbolError = 1083, dSER = 9.10 )
34:24:476 QMSL_LOG_C_HIGH_LEVEL_START QLIB_FTM_CDMA2000_GET_FCH_STAT()
34:24:479 QMSL_LOG_C_HIGH_LEVEL_STOP QLIB_FTM_CDMA2000_GET_FCH_STAT( iNumFrame = 41, iFrameError = 3, dFER = 7.32, iNumSymbol = 15744, iSymbolError = 1418, dSER = 9.01 )
34:24:680 QMSL_LOG_C_HIGH_LEVEL_START QLIB_FTM_CDMA2000_GET_FCH_STAT()
34:24:683 QMSL_LOG_C_HIGH_LEVEL_STOP QLIB_FTM_CDMA2000_GET_FCH_STAT( iNumFrame = 51, iFrameError = 4, dFER = 7.84, iNumSymbol = 19584, iSymbolError = 1752, dSER = 8.95 )
34:24:884 QMSL_LOG_C_HIGH_LEVEL_START QLIB_FTM_CDMA2000_GET_FCH_STAT()
34:24:887 QMSL_LOG_C_HIGH_LEVEL_STOP QLIB_FTM_CDMA2000_GET_FCH_STAT( iNumFrame = 61, iFrameError = 5, dFER = 8.20, iNumSymbol = 23424, iSymbolError = 2089, dSER = 8.92 )
34:25:087 QMSL_LOG_C_HIGH_LEVEL_START QLIB_FTM_CDMA2000_GET_FCH_STAT()
34:25:090 QMSL_LOG_C_HIGH_LEVEL_STOP QLIB_FTM_CDMA2000_GET_FCH_STAT( iNumFrame = 72, iFrameError = 5, dFER = 6.94, iNumSymbol = 27648, iSymbolError = 2469, dSER = 8.93 )
34:25:090 QMSL_LOG_C_HIGH_LEVEL_START
没看懂，CDMA2000 Predicted Sensitivity =-108.805 是如何算出来的结果?

wait one more day.