河南EGPRS网络优化经验分享

2009年8月31日河南EGPRS网络优化经验分享EGPRS网络优化经验交流目录•参数调整•网元扩容•GPRS无线参数规范建议•典型案例参数调整EGPRS网络优化经验交流GPRS区域原理•静态数据区域是动态数据区域的子集•数据区域时隙必须是连续性的GPRS功能入网对语音质量和容量的影响BCCHTRX1TRX2TSGTRX=N,语音区域GTRX=Y,语音+数据区域静态数据区域(%)(CDED)TSTSTSTSTSTSTSTSTSTSTSTSTSTS数据区域降级，因语音需求数据区域升级，请求间隔（TerritoryUpgradeGuardTime）动态数据区域升级的GPRS区域空闲时隙动态数据区域(%)(CDEF)EGPRS网络优化经验交流CDEF调整•流量增加，无线充足率下降。.经过调整CDEF时隙后，无线充足率恢复正常。%TSLAssignFulfil75.0080.0085.0090.0095.00100.00XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC22XXBSC226-Jun7-Jun8-Jun9-Jun10-Jun11-Jun12-Jun13-Jun14-Jun15-Jun16-Jun17-Jun18-Jun19-Jun20-Jun21-Jun22-Jun23-Jun24-Jun25-Jun26-Jun27-Jun28-Jun29-Jun30-Jun1-Jul2-Jul3-JulDateAssignment(%)%TSLAssFulfil流量增加增加CDEF时隙EGPRS网络优化经验交流GAMMA调整TBFSuccessRate98.8598.9098.9599.0099.0599.1099.1599.2099.2599.30XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC14XXBSC1420-Jun21-Jun22-Jun23-Jun24-Jun25-Jun26-Jun27-Jun28-Jun29-Jun30-Jun1-Jul2-Jul3-Jul4-Jul5-Jul6-Jul7-Jul8-Jul9-Jul10-Jul11-Jul12-Jul13-Jul14-Jul15-Jul16-Jul17-JulDateSuccess(%)%TBFSucc•GAMMA参数的作用是控制手机GPRS上行发射功率。把GAMMA值调由34调到26后，TBF建立成功率明显的提升。GAMMA调整，由34调到26EGPRS网络优化经验交流DIRE调整(1/2)CodingSchemeSharing0%20%40%60%80%100%XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC924-Apr25-Apr26-Apr27-Apr28-Apr29-Apr30-Apr1-May2-May3-May4-May5-May6-May7-May8-May9-May10-May11-May12-May13-May14-May15-May16-May17-May18-May19-May20-May21-MayDateSharing(%)CS-1CS-2MCS-1MCS-2MCS-3MCS-4MCS-5MCS-6MCS-7MCS-8MCS-9DIRE从0调到1•河南EGPRS是使用分层的概念，也就是计划把GPRS和EGPRS分开在两个BTS上，和把GPRS分配到BCCH-BTS。而DIRE参数的作用就是把EGPRS用户优先分配到那个BTS上。把DIRE设成大于NBL后，就可以把EGPRS用户优先分配到NON-BCCH-BTS上。EGPRS网络优化经验交流DIRE调整(2/2)TotalDataPayload02,0004,0006,0008,00010,00012,00014,00016,00018,00020,000XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC924-Apr25-Apr26-Apr27-Apr28-Apr29-Apr30-Apr1-May2-May3-May4-May5-May6-May7-May8-May9-May10-May11-May12-May13-May14-May15-May16-May17-May18-May19-May20-May21-MayDatePayload(MB)EDGEPayloadGPRSPayloadEDGETrafficSharing02,0004,0006,0008,00010,00012,00014,00016,00018,00020,000XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC924-Apr25-Apr26-Apr27-Apr28-Apr29-Apr30-Apr1-May2-May3-May4-May5-May6-May7-May8-May9-May10-May11-May12-May13-May14-May15-May16-May17-May18-May19-May20-May21-MayDatePayload(MB)01020304050607080%EDGE(%)DataPayload%ofEDGEPCUCongestionRate0.002.004.006.008.0010.0012.0014.0016.0018.00XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC924-Apr25-Apr26-Apr27-Apr28-Apr29-Apr30-Apr1-May2-May3-May4-May5-May6-May7-May8-May9-May10-May11-May12-May13-May14-May15-May16-May17-May18-May19-May20-May21-MayDateCongestion(%)%PCUCongestEDAPCongestionRate050100150200250300XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC924-Apr25-Apr26-Apr27-Apr28-Apr29-Apr30-Apr1-May2-May3-May4-May5-May6-May7-May8-May9-May10-May11-May12-May13-May14-May15-May16-May17-May18-May19-May20-May21-MayDateCong(Min/GB)EDAPCongestionDLEffectiveThroughputperTSL42.042.543.043.544.044.545.045.546.046.5XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC924-Apr25-Apr26-Apr27-Apr28-Apr29-Apr30-Apr1-May2-May3-May4-May5-May6-May7-May8-May9-May10-May11-May12-May13-May14-May15-May16-May17-May18-May19-May20-May21-MayDateThruput(kbps)DLEffThruputperTSL把DIRE从0调到1后:-EGPRS流量提升,下行下载速率提升。-PCU和EDAP拥塞的情况上升，因为增加了EGPRS流量。EGPRS网络优化经验交流MCA/MCU调整ULEffectiveThroughputperTSL32.0033.0034.0035.0036.0037.0038.0039.0040.0041.0042.00XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC96-Apr7-Apr8-Apr9-Apr10-Apr11-Apr12-Apr13-Apr14-Apr15-Apr16-Apr17-Apr18-Apr19-Apr20-Apr21-Apr22-Apr23-Apr24-Apr25-Apr26-Apr27-Apr28-Apr29-Apr30-Apr1-May2-May3-MayDateThruput(kbps)ULEffThruputperTSLDLEffectiveThroughputperTSL41.0041.5042.0042.5043.0043.5044.0044.5045.0045.5046.00XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC9XXBSC96-Apr7-Apr8-Apr9-Apr10-Apr11-Apr12-Apr13-Apr14-Apr15-Apr16-Apr17-Apr18-Apr19-Apr20-Apr21-Apr22-Apr23-Apr24-Apr25-A