【資料成文時間】：
【語言】：英文
【頁數(shù)】：400
【何人（公司）所著】：nokia
【文件格式】：pdf
【文件原名】：BSS Network Doctor Formulas
【摘要或目錄】：Contents 3
List of tables 5
List of figures 6
1 About this manual 39
1.1 Summary of changes 40
1.2 What you need to know first 42
1.3 Where to find more 42
1.4 Typographic conventions 43
1.4.1 Text styles 43
1.5 Terms and concepts 44
1.5.1 Abbreviations 44
1.5.2 Terms 46
2 BSS counter formulas 49
2.1 Additional GPRS channels (ach) 49
2.2 Multislot (msl) 52
2.3 Temporary block flow (tbf) 56
2.4 Logical link control (llc) 73
2.5 Radio link control (rlc) 74
2.6 Frame relay (frl) 94
2.7 HSCSD (hsd) 98
2.8 Dynamic Abis Pool (dap) 99
2.9 Random access (rach) 100
2.10 SDCCH drop failures (sd) 103
2.10.1 SDCCH drop counters 104
2.10.2 Problems with the SDCCH drop counters 106
2.11 SDCCH drop ratio (sdr) 107
2.12 Setup success ratio (cssr) 109
2.13 TCH drop failures 109
2.13.1 TCH drop call counters 109
2.13.2 Drop call ratio 112
2.13.3 Drop-out ratio 112
2.13.4 Problems with the dro

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