【資料名稱】：GPRS_Radio_Optimisation_Manual

【資料作者】：yy

【資料日期】：2011

【資料語言】：英文

【資料格式】：DOC

【資料目錄和簡(jiǎn)介】：

這是一份非常好的GPRS資料。

目錄



1.GPRS無線網(wǎng)優(yōu)化主要流程和內(nèi)容.................................................................................................. 4

2.GSM網(wǎng)絡(luò)數(shù)據(jù)檢查 ......................................................................................................................... 5

3.GPRS網(wǎng)絡(luò)配置容量檢查分析......................................................................................................... 5

3.1GPRS無線擁塞情況................................................................................................................. 5

3.2GB負(fù)荷檢查........................................................................................................................... 10

4.GPRS網(wǎng)絡(luò)參數(shù)設(shè)置檢查分析....................................................................................................... 10

4.1常規(guī)參數(shù) ................................................................................................................................ 11

4.1.1GENA/GTRX/CDED/CDEF/PC參數(shù) ............................................................................... 11

4.1.2PAPU的分配歸屬合理性分析.......................................................................................... 11

4.1.3NSEI的分配 .................................................................................................................... 13

4.1.4CS1,2 選擇控制參數(shù)(DLBH,ULBH,COD,CODH) ............................................................ 13

4.1.5手機(jī)重選控制 參數(shù).......................................................................................................... 14

4.2PA File中參數(shù)的微調(diào) ............................................................................................................. 14

4.2.1有關(guān)TBF定時(shí)器的調(diào)整.................................................................................................... 14

4.3PR File中參數(shù)的介紹 ............................................................................................................. 15

4.3.1FlowControl參數(shù) ............................................................................................................. 15

4.3.2RLC傳送控制參數(shù)........................................................................................................... 16

5.OMC KPI調(diào)查評(píng)測(cè)和分析............................................................................................................. 17

5.1GPRS接入性能優(yōu)化............................................................................................................... 17

5.1.1RACH 申請(qǐng)上行TBF 的首次接入成功率(Pi_2).................................................................. 17

5.1.2GPRS功能吊死小區(qū)........................................................................................................ 17

5.2GPRS時(shí)隙分配使用性能........................................................................................................ 18

5.2.1上下行時(shí)隙請(qǐng)求分配率 ................................................................................................... 18

5.2.2TBF 的重新分配的性能.................................................................................................... 18

5.2.3平均GPRS域大小(ava_16) ............................................................................................. 19

5.2.4上下行TBF掉線率(tbf_28b)............................................................................................. 19

5.3GPRS編碼方式性能............................................................................................................... 23

5.3.1誤塊率 (BLER) ................................................................................................................ 23

5.3.2CS2 編碼占用比率 .......................................................................................................... 24

5.4GPRS移動(dòng)管理性能............................................................................................................... 24

5.4.1Ready狀態(tài)下的小區(qū)重選 ................................................................................................ 24

5.4.2路由區(qū)更新 ..................................................................................................................... 25

5.5GPRS會(huì)話管理性能............................................................................................................... 25

5.5.1PDP激活和去激活 .......................................................................................................... 25

6.GPRS基準(zhǔn)測(cè)試(路測(cè),CQT)和分析................................................................................................ 26

6.1用戶數(shù)據(jù)傳輸速率和優(yōu)化 ....................................................................................................... 26

6.2下行高BLER和優(yōu)化................................................................................................................ 27

6.3RLC重傳率指標(biāo)定義和優(yōu)化 ................................................................................................... 27

6.4PDP激活去活的耗時(shí)分析....................................................................................................... 28

6.5路測(cè)中較長(zhǎng)的空閑時(shí)間........................................................................................................... 29

6.6RA 更新時(shí)的時(shí)延分析............................................................................................................ 30

7.附錄： .......................................................................................................................................... 30

7.1NOKIA網(wǎng)絡(luò)GPRS常用KPI和公式 .......................................................................................... 30

7.1.1上行時(shí)隙分配擁塞率(tbf_15)........................................................................................... 30