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【資料名稱】：EDGE 優(yōu)化相關(guān)資料合集
【資料作者】：移動(dòng)經(jīng)驗(yàn)書整理
【資料日期】：20090806
【資料語言】：中文
【資料格式】：DOC
【資料目錄和簡介】：
EDGE 優(yōu)化手冊
一、EDGE主要概念以及特點(diǎn)1
1．編碼方式1
2．Payload1
3．編碼類（Family）2
4．?dāng)?shù)據(jù)吞吐量2
5．打孔方式2
6．ARQ機(jī)制3
7．資源分配機(jī)制7
8．無線側(cè)物理層測量報(bào)告（3GPP 05.08）10
9．速率調(diào)整11
二、EDGE相關(guān)QOS指標(biāo)12
1.TBF建立12
2.PDCH占用情況14
3．RLC層吞吐率15
三、優(yōu)化主要相關(guān)參數(shù)（EDGE獨(dú)有）16
1.資源類16
2.測量類17
3．速率以及重傳控制類18
四．CMCC路測參考指標(biāo)19
1.測試設(shè)備19
2．DT測試19
3．DT測試24
五、附錄27
1．EDGE優(yōu)化準(zhǔn)則27
2．參考文檔27
EDGE測試相關(guān)、數(shù)據(jù)檢查、FTP下載掉線說明、移動(dòng)EDGE測試規(guī)范
1．測試過程中手機(jī)發(fā)起上行的PDPdeactivated消息
2．登錄服務(wù)器與開始下載數(shù)據(jù)之間發(fā)生小區(qū)重選導(dǎo)致掉線
3．小區(qū)T3212值設(shè)置不一導(dǎo)致掉線
4．WAPpagerefresh（頁面刷新）中的問題
5．GPRS PDPactivate fail問題
6．GPRS Ping測試出現(xiàn)不規(guī)則失敗的問題
!!tx與trx信道組不一致檢查
select a.exchid,a.mo,b.mo,a.cell,a.chgr as trx_chgr,b.chgr as tx_chgr,a.dcp1
from cdd_rxmop_moty_rxotrx as a,cdd_rxmop_moty_rxotx as b
where a.chgr<>b.chgr and a.cell=b.cell and right(a.mo,len(a.mo)-6)=right(b.mo,len(b.mo)-5)
group by a.exchid,a.mo,b.mo,a.cell,a.chgr,b.chgr,a.dcp1
!!cell不對應(yīng)MOTRX檢查
select a.exchid,a.mo,b.mo,a.cell as trx_cell,b.cell as tx_cell,a.chgr as trx_chgr,b.chgr as tx_chgr,a.dcp1
from cdd_rxmop_moty_rxotrx as a,cdd_rxmop_moty_rxotx as b
where a.cell<>b.cell and a.exchid=b.exchid and right(a.mo,len(a.mo)-6)=right(b.mo,len(b.mo)-5)
group by a.exchid,a.mo,b.mo,a.cell,b.cell,a.chgr,b.chgr,a.dcp1
GPRS優(yōu)化基礎(chǔ)
GPRS LOAD counter介紹
Alcatel 8版時(shí)隙分配介紹
KPI分析
參數(shù)簡介
案例分析
愛立信GPRS 網(wǎng)絡(luò)評估及優(yōu)化方案
1 引言.......................................................................................................................................................................4
1.1 GPRS網(wǎng)絡(luò)優(yōu)化的引入.....................................................................................................................................4
1.2 GPRS核心網(wǎng)絡(luò)優(yōu)化主要內(nèi)容..........................................................................................................................4
1.3 GPRS無線網(wǎng)絡(luò)優(yōu)化主要內(nèi)容..........................................................................................................................4
1.4 GPRS網(wǎng)絡(luò)優(yōu)化方法.........................................................................................................................................5
2 愛GPRS立信重要性能指標(biāo).................................................................................................................................7
2.1 GPRS核心網(wǎng)絡(luò)重要性能指標(biāo)..........................................................................................................................7
2.1.1 平均附著用戶數(shù)......................................................................................................................................7
2.1.2 GPRS附著成功率....................................................................................................................................7
2.1.3 SGSN內(nèi)路由區(qū)更新成功率......................................................................................................................9
2.1.4 SGSN間路由區(qū)更新成功率....................................................................................................................10
2.1.5 路由區(qū)更新成功率................................................................................................................................12
2.1.6 PDP激活的上下文激活用戶數(shù)..............................................................................................................13
2.1.7 PDP上下文激活成功率.........................................................................................................................13
2.1.8 分組尋呼成功率....................................................................................................................................15
2.1.9 SGSN Gb 上行流量................................................................................................................................17
2.1.10 SGSN Gb 下行流量............................................................................................................................17
2.1.11 GGSN Gi 上行流量............................................................................................................................18
2.1.12 GGSN Gi 下行流量............................................................................................................................18
2.2 GPRS無線網(wǎng)絡(luò)重要性能指標(biāo)........................................................................................................................18
2.2.1 分組業(yè)務(wù)隨機(jī)接入................................................................................................................................18
2.2.2 PDCH分配嘗試次數(shù)..............................................................................................................................19
2.2.3 PDCH分配失敗率.................................................................................................................................19
2.2.4 PCUPDCH引起的分配失敗次數(shù)...........................................................................................................19
2.2.5 PDCH預(yù)清空次數(shù).................................................................................................................................19
2.2.6 PDCH小區(qū)中平均分配個(gè)數(shù)..................................................................................................................20
2.2.7 PDCH(ALLPDCHACTACC)小區(qū)中平均激活個(gè)數(shù)...............................................................................20
2.2.8 PDCH激活個(gè)數(shù)峰值..............................................................................................................................20
2.2.9 RLC層下行數(shù)據(jù)包重傳率......................................................................................................................20
2.2.10 RLC層上行數(shù)據(jù)包重傳率..................................................................................................................21
2.2.11 PCU丟棄的下行幀幀數(shù).....................................................................................................................21
2.2.12 PCU丟棄的上行幀幀數(shù).....................................................................................................................21
2.2.13 分組尋呼次數(shù)....................................................................................................................................22
3 GPRS愛立信網(wǎng)絡(luò)參數(shù)調(diào)整...............................................................................................................................23
3.1 NS控制層........................................................................................................................................................23
3.1.1 NSVC Block/UnBlock周期......................................................................................................................23
3.1.2 NSVC復(fù)位周期定時(shí)器...........................................................................................................................23
3.1.3 NSVC復(fù)位過程定時(shí)器...........................................................................................................................23
3.1.4 NSVC測試定時(shí)器..................................................................................................................................23
3.1.5 FrameRelay數(shù)據(jù)包通過網(wǎng)的時(shí)間..........................................................................................................24
3.1.6 NS控制層參數(shù)列表................................................................................................................................24
3.2 BSSGP 層........................................................................................................................................................24
3.2.1 流量控制消息定時(shí)器.............................................................................................................................24
3.2.2 BVC復(fù)位控制定時(shí)器..............................................................................................................................25
3.2.3 BVC復(fù)位定時(shí)器.....................................................................................................................................25
3.2.4 BSSGP層參數(shù)列表................................................................................................................................26
3.3 SNDCP層........................................................................................................................................................26
3.3.1 延遲級別權(quán)重........................................................................................................................................26
3.3.2 吞吐量級別權(quán)重....................................................................................................................................26
3.3.3 1234PDU延時(shí)級別為，，，的保持時(shí)間.............................................................................................27
3.3.4 PDP上下文包隊(duì)列長度.........................................................................................................................27
3.3.5 SNDCP層參數(shù)列表................................................................................................................................28
3.4 GMM層...........................................................................................................................................................28
3.4.1 移動(dòng)可達(dá)定時(shí)器....................................................................................................................................28
3.4.2 READY定時(shí)器........................................................................................................................................29
3.4.3 SNDCP層參數(shù)列表................................................................................................................................29
3.5 計(jì)費(fèi).................................................................................................................................................................29
3.5.1 PDP上下文數(shù)據(jù)閾值.............................................................................................................................29
3.5.2 CDR產(chǎn)生時(shí)間........................................................................................................................................30
3.5.3 CDR緩沖輸出時(shí)間................................................................................................................................30
3.5.4 計(jì)費(fèi)參數(shù)列表........................................................................................................................................30
3.6 GN接口參數(shù)....................................................................................................................................................31
3.6.1 GTP建立請求響應(yīng)時(shí)間..........................................................................................................................31
3.6.2 GTP建立請求次數(shù).................................................................................................................................31
3.6.3 GTP更新請求響應(yīng)時(shí)間..........................................................................................................................31
3.6.4 GTP更新請求次數(shù).................................................................................................................................32
3.6.5 GTP刪除響應(yīng)時(shí)間.................................................................................................................................32
3.6.6 GTP刪除請求次數(shù).................................................................................................................................32
3.6.7 GTP識(shí)別響應(yīng)時(shí)間.................................................................................................................................32
3.6.8 GTP識(shí)別請求次數(shù).................................................................................................................................33
3.6.9 SGSN上下文請求響應(yīng)時(shí)間....................................................................................................................33
3.6.10 SGSN上下文請求次數(shù).......................................................................................................................33
3.6.11 Gn接口參數(shù)列表...............................................................................................................................33
3.7 無線部分參數(shù).................................................................................................................................................34
3.7.1 網(wǎng)絡(luò)運(yùn)行模式........................................................................................................................................34
3.7.2 GPH動(dòng)態(tài)設(shè)備保留數(shù).............................................................................................................................34
3.7.3 GPRS優(yōu)先級..........................................................................................................................................35
3.7.4 PDCH空閑時(shí)鐘.....................................................................................................................................35
3.7.5 編碼方式................................................................................................................................................35
3.7.6 TBF下行共享限制.................................................................................................................................35
3.7.7 TBF上行共享限制.................................................................................................................................36
3.7.8 MS功率減少等級...................................................................................................................................36
3.7.9 BTS預(yù)期接收信號(hào)強(qiáng)度...........................................................................................................................36
3.7.10 PDCH專有數(shù)量.................................................................................................................................37
3.7.11 PDCHALLOC....................................................................................................................................37
3.7.12 無線部分參數(shù)列表.............................................................................................................................37
4 常見問題分析.....................................................................................................................................................38
4.1 GPRS附著失敗...............................................................................................................................................38
4.1.1 GPRS附著請求被拒絕的原因................................................................................................................38
4.1.2 MSGPRS在側(cè)造成附著失敗的情況......................................................................................................38
4.1.3 GPRS在網(wǎng)絡(luò)側(cè)造成附著失敗情況........................................................................................................39
4.1.4 GPRS解決附著失敗的方法....................................................................................................................40
4.2 PDP上下文激活失敗......................................................................................................................................40
4.2.1 MSPDP發(fā)起的上下文激活失敗的原因................................................................................................40
4.2.2 PDP網(wǎng)絡(luò)發(fā)起上下文去激活的原因......................................................................................................40
4.2.3 PDP常見的上下文激活失敗原因..........................................................................................................41
4.2.4 PDP解決上下文激活失敗問題的建議..................................................................................................41
4.3 無線部分.........................................................................................................................................................41
4.3.1 PING丟包率較高...................................................................................................................................41
4.3.2 RLC層速率低.........................................................................................................................................41
Figure 1， 網(wǎng)絡(luò)優(yōu)化服務(wù)流程 6
Figure 2， 平均附著用戶數(shù) 7
Figure 3， 附著嘗試次數(shù) 8
Figure 4， 附著失敗次數(shù) 9
Figure 5， SGSN內(nèi)路由區(qū)更新嘗試次數(shù) 9 第2頁(共42頁)
Figure 6， SGSN內(nèi)路由區(qū)更新失敗次數(shù) 10
Figure 7， SGSN間路由區(qū)更新嘗試次數(shù) 11
Figure 8， SGSN間路由區(qū)更新失敗次數(shù) 12
Figure 9， PDP上下文激活成功次數(shù) 14
Figure 10， PDP上下文激活失敗次數(shù) 15
Figure 11，分組交換尋呼程序的嘗試次數(shù) 16
Figure 12，分組交換尋呼程序的成功次數(shù) 17
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