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1、泰山路弱覆蓋問(wèn)題1、問(wèn)題描述:簇3拉網(wǎng)測(cè)試車輛在泰山路上由東向西行駛,在泰山路上發(fā)現(xiàn)距離SE泰山路2扇區(qū)約280m左右存在弱覆蓋區(qū)域,RSRP約為-100左右路段在120m以上,最差點(diǎn)主服務(wù)小區(qū)及鄰區(qū)電平值均為-114dBm,該處SINR較差為-3左右,如下圖所示:807040/,Jox:o908070
2、[-卜
3、[-小號(hào)移■大符侯Oy-238遼寧路▼UE1.CRSSIXRi-Total誡色■■[-20?-3)23[-3,5)16(
4、[5,15)23<
5、[15?50]44大小8符號(hào)o僅移x:0y:o20.6km/l68Map1160725.234Handove
6、rstartTaraetPCI■160725234Prach:Usg1(RA)160725250Prach:Msg2(RAR)1607.25.265裁Handoversuccess■0.029s160725765HandoverLaterncyInfo16:0756484HandoverstartTargetPCI:I1607.56.531Prach:Msgl(RA)160756.531Prach:Usg2(RAR)16:07:56.546<3Handoversuccess0.030svlS#奮門Extra#EventsTime顫色■■[-20,-3)I("3
7、,5)■[5,20)[20,25)【25,3S)大小8符號(hào)OCRSSIXR?Total/-□XTime才Messages>鬲3Typ八DCd160724.921TMeasurementReport16072517116:07:25.23416072523416072532816:07:25.32816072545316075637516:07:56.484160756.5151607Sfi62S£MeasurementReport4RRCConnecOonReconngurationRRCConnedionReconfigurationCompI■Masten
8、nformat^on&cck4-SyslnfoTyp^i$Syslnfo令MeasurementReport4RRCConnecOonReconnguration£RRCConnedionReconfigurabonCompI亠M^sff^rlnfnrmsitionRl^kDCCDCCDCCBCCBCCBCCDCCDCCDCCRCCVNort?Di...BA…PCI芫松山路30.18037900267涎松山醫(yī)院能山路)0.39137900129SE泰山路2025737900272SE松山路_20.18037900268SE頤中煙全2_2101137900196
9、n"onnRSRP?-1140該區(qū)域弱覆蓋.SINR值為-3196km/hE1ServingCellInfoValueLl
10、In£oValueThroucKpatATACRRvStateConnectLayerUL(kbSCgIIIDTM
11、j1ode3FTPSCellPCI267…PDCP49.7SCellNameSE松山路_3CRSSINR-30RLC537SCellDistance(km)0.180CRSRSRQ-16.5MAC65.3EARFCN37900PathlossPHY608v<>x、、、泰山路弱覆蓋圖泰山路SINR質(zhì)差圖Googleearth截
12、圖問(wèn)題分析:該問(wèn)題路段平均電平值在-104dBm左右,屬于弱覆蓋區(qū)域。應(yīng)適當(dāng)加強(qiáng)松山路3扇區(qū)或泰山路2扇區(qū)對(duì)該區(qū)域的有效覆蓋范圍,而通過(guò)查詢工參及詢問(wèn)上站人員得知該站有可調(diào)整空間,建議適當(dāng)調(diào)整天饋。解決措施1、松山路3扇區(qū)俯仰角由3抬升至1度2、松山路3方位角曲300度調(diào)整至315度3、泰山路2扇區(qū)俯仰角由2抬升至0度4、泰山路2扇區(qū)由120度調(diào)整至110度復(fù)測(cè)驗(yàn)證:經(jīng)過(guò)上述方案處理,該段道路信號(hào)覆蓋及SINR均得到小幅度捉升,如卜?圖所示遼^^KIII/IICIWUQJZUH.IM.▼UEl.CRSRSRP?Total■0■(-140,-110)0(-11
13、0,-100)177L[-100.-90)107ir[-90z-80)126[-80z-70)24[-70,-40]0大小8符號(hào)o僞移x:0y:0SE:絞色■■[-20,-3)0[-3’5)166■[5,15)19S[15,50]73大小8符號(hào)o僞務(wù)X0y:oUHXCRSSINK?Total山路;68-□XTime#Events#£iflExtra16:4726.812HandoverstartTargetPCI::16:47:26.843Prach:Msg1(RA)164726.843Prach:Usg2(RAR)164726.859Handoversucc
14、ess0031s164727375Ha