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【資料名稱】：EDGE 優(yōu)化相關資料合集
【資料作者】：移動經驗書整理
【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1
1．編碼方式1
2．Payload1
3．編碼類（Family）2
4．數(shù)據(jù)吞吐量2
5．打孔方式2
6．ARQ機制3
7．資源分配機制7
8．無線側物理層測量報告（3GPP 05.08）10
9．速率調整11
二、EDGE相關QOS指標12
1.TBF建立12
2.PDCH占用情況14
3．RLC層吞吐率15
三、優(yōu)化主要相關參數(shù)（EDGE獨有）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19
1.測試設備19
2．DT測試19
3．DT測試24
五、附錄27
1．EDGE優(yōu)化準則27
2．參考文檔27
EDGE測試相關、數(shù)據(jù)檢查、FTP下載掉線說明、移動EDGE測試規(guī)范
1．測試過程中手機發(fā)起上行的PDPdeactivated消息
2．登錄服務器與開始下載數(shù)據(jù)之間發(fā)生小區(qū)重選導致掉線
3．小區(qū)T3212值設置不一導致掉線
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
GPRS LOAD counter介紹
Alcatel 8版時隙分配介紹
KPI分析
參數(shù)簡介
案例分析
愛立信GPRS 網(wǎng)絡評估及優(yōu)化方案
1 引言.......................................................................................................................................................................4
1.1 GPRS網(wǎng)絡優(yōu)化的引入.....................................................................................................................................4
1.2 GPRS核心網(wǎng)絡優(yōu)化主要內容..........................................................................................................................4
1.3 GPRS無線網(wǎng)絡優(yōu)化主要內容..........................................................................................................................4
1.4 GPRS網(wǎng)絡優(yōu)化方法.........................................................................................................................................5
2 愛GPRS立信重要性能指標.................................................................................................................................7
2.1 GPRS核心網(wǎng)絡重要性能指標..........................................................................................................................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)絡重要性能指標........................................................................................................................18
2.2.1 分組業(yè)務隨機接入................................................................................................................................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預清空次數(shù).................................................................................................................................19
2.2.6 PDCH小區(qū)中平均分配個數(shù)..................................................................................................................20
2.2.7 PDCH(ALLPDCHACTACC)小區(qū)中平均激活個數(shù)...............................................................................20
2.2.8 PDCH激活個數(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)絡參數(shù)調整...............................................................................................................................23
3.1 NS控制層........................................................................................................................................................23
3.1.1 NSVC Block/UnBlock周期......................................................................................................................23
3.1.2 NSVC復位周期定時器...........................................................................................................................23
3.1.3 NSVC復位過程定時器...........................................................................................................................23
3.1.4 NSVC測試定時器..................................................................................................................................23
3.1.5 FrameRelay數(shù)據(jù)包通過網(wǎng)的時間..........................................................................................................24
3.1.6 NS控制層參數(shù)列表................................................................................................................................24
3.2 BSSGP 層........................................................................................................................................................24
3.2.1 流量控制消息定時器.............................................................................................................................24
3.2.2 BVC復位控制定時器..............................................................................................................................25
3.2.3 BVC復位定時器.....................................................................................................................................25
3.2.4 BSSGP層參數(shù)列表................................................................................................................................26
3.3 SNDCP層........................................................................................................................................................26
3.3.1 延遲級別權重........................................................................................................................................26
3.3.2 吞吐量級別權重....................................................................................................................................26
3.3.3 1234PDU延時級別為，，，的保持時間.............................................................................................27
3.3.4 PDP上下文包隊列長度.........................................................................................................................27
3.3.5 SNDCP層參數(shù)列表................................................................................................................................28
3.4 GMM層...........................................................................................................................................................28
3.4.1 移動可達定時器....................................................................................................................................28
3.4.2 READY定時器........................................................................................................................................29
3.4.3 SNDCP層參數(shù)列表................................................................................................................................29
3.5 計費.................................................................................................................................................................29
3.5.1 PDP上下文數(shù)據(jù)閾值.............................................................................................................................29
3.5.2 CDR產生時間........................................................................................................................................30
3.5.3 CDR緩沖輸出時間................................................................................................................................30
3.5.4 計費參數(shù)列表........................................................................................................................................30
3.6 GN接口參數(shù)....................................................................................................................................................31
3.6.1 GTP建立請求響應時間..........................................................................................................................31
3.6.2 GTP建立請求次數(shù).................................................................................................................................31
3.6.3 GTP更新請求響應時間..........................................................................................................................31
3.6.4 GTP更新請求次數(shù).................................................................................................................................32
3.6.5 GTP刪除響應時間.................................................................................................................................32
3.6.6 GTP刪除請求次數(shù).................................................................................................................................32
3.6.7 GTP識別響應時間.................................................................................................................................32
3.6.8 GTP識別請求次數(shù).................................................................................................................................33
3.6.9 SGSN上下文請求響應時間....................................................................................................................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)絡運行模式........................................................................................................................................34
3.7.2 GPH動態(tài)設備保留數(shù).............................................................................................................................34
3.7.3 GPRS優(yōu)先級..........................................................................................................................................35
3.7.4 PDCH空閑時鐘.....................................................................................................................................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預期接收信號強度...........................................................................................................................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在側造成附著失敗的情況......................................................................................................38
4.1.3 GPRS在網(wǎng)絡側造成附著失敗情況........................................................................................................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)絡優(yōu)化服務流程 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內路由區(qū)更新嘗試次數(shù) 9 第2頁(共42頁)
Figure 6， SGSN內路由區(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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