华为CDMA 1X信令流程详解.docx
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1、1信令分析在分析问题时,请参照正确的流程,逐步检查到底哪一条消息没有收到,并且分析上 一条消息里面携带的内容,从而定位原因所在。1.1主被叫呼叫建立流程1.1.1正常信令AM. J Message type! Message DreztlDn| Amvje tinre|闻成貌|Um OUglnatlon MessageR5CH|0L:44:Z7:W:L5|04 06 |14151617IB19琪fil UM Iri 芒 卜白qiimH ILI Assignment ReguB2.lBsc-rc |1也心史 H1i2T!3UMr 0L 44:30:171:250UU6H1 00 IE 1Pl-i
2、BT50L:44:2S: L73:000SO 10 iAbi toc-Cjcrnect IB7S-BSC01:44:28:186:6250L 10 iAbis Nas-Ccmed: Ack J0L 44:38:187:07502 10 i41 i i iK-=ir5-iHii | :SL 10 il-l I M0144:38:933:750 0L 06 ril:44:Z6:H13:0000206I*bjJm!44 ;38: &42:L25 i06 10 I0Lfifi;?50 OS 06 i L !44!2B?S5*TM*ijiiDZ DE0L :44!29:142:0000?K4i02 Qd
3、 i祈日:|卬2竺如殷对近23jQbis tos-fopagadon Delay R7+llm OnJer Nessage美能点L BEC向ISCXiCISrj-vj Rnaunsl后.如果没右收RL挨口失朗关键点幻Abi脚直廖,如F高、信令楠苗佥不将会体现为出i知L法建健成 福原因“指前瓶源攵败OL;29;H2;125,在 L:44!29: 142:750 07 I 01:44:29:143:250 02 06 isiqnmcnt M&ssaqeyjHFBSCR-D5CH-DSCHZ5Lm 5ervte Connect Messe2BUm SsrvkB Connect ComplBtion
4、Hesfagehjnj Op+r niErm _F -C5C Acslgnnient Corrplete一 .29 LIttiJ in- irarric yiE:irri pararnficersTfesjagD F-C6CH茜堡京缶如A姓度卷收到ECAI捐金择琬为指配资源失败七一 集原因是wnlmh- CE oowct不足夫健点4:女畛有收到F。弥瞭的 社 power不足。关键点4: 是否在F-DSCH发送order message,如没有收到,说明捕获业务信道前导帧失败。关键点5:是否发送Assignment complete。如发送表明呼叫建立成功。如没有收到,在话统里面体现为“信令交互
5、失败”。被叫流程与主叫几乎完全一致,被叫中的Paging Response相当于主叫的originationmessage oZ N,| Message 加peMessage Direction Arrive timefessAl Paging Request21 Abis Abis-PCH Msg Transfer3032 Um:General Page MessagePaging Response35 FA1AssiqirneriFFijqijesI:36 l;Abl5 ftblS-b I i 汩L泪37 Abis AbisonnectS8 Abis AbisB5C01:9:06:389:
6、0000C3035C-BT501:39:06:389:3758C 17F-C5CH01:39:06:389:37501 06R-C5CHDl:39!Q&!0S7!62504 06E5C-湖5旧01:39:08:088:8750C6?M5C-B5C01:39:08:249:50000 3301:39:0S:Z51:500SO 10BT5-B5C*1 01:39:08:264:87501 10B5C-BT5ijfS*t266:12502 10BTSB5CE:39:i液亦孰J81 10F-C5CH01:39:08:299:751*F-C3CH01!39:0e;591:0000106F-C5CH01:
7、39:08:891:00001 06-D5CH01:39:08:968:87502 06R.-D5CH01:39:09:144:37508 06F-D5CH01:?9:09:144:750麻口6BTSBSC01!39!0Q!238!&2506 10R-D5CH01:39:09:288:37508 06F-D5CH01:39:09:288:500020601:39: 09 ;Z09:Z5O00 07F-D5CH01:39:09:289:25002 06F-D5CH01:39:09:289:750站IE:相胃于主叫的 origination message1.1.2典型异常信令1、A1接口失败。消
8、息皿I消自海消基方官 I到达的间I消息饱容910Un Dri nati cn Message XL W SwrvicE ReqiUEStR-CSCHBSC-:d1SCIfni Order Messa;Un Drd.*tr MaEEgaUnJ FLtgi strati on Message kL Location Updating Eeque kL LcFcation Updating Accei Um Order HessaffeUn R.4ictrati on McEflgcLoaa.tion Qpdatirig Eequ4 L?c-3.lion Updatirig Eejes: Drler
9、 Message Registration Message Location Updating EquaIT-CSCH1:57:2:924:975XLJH商麻11LJXL J Lsaation Updatirig Aac4pUn Order MessageUn strati on M昭s能eL1 Location Ifedstirig BequeJU Location Updating cap19:CT:3:932:125Q4 06 2E 44 BD BO 72 13 54 S2 OE闵四蜀私F没有收到Assignmentprequest6获后定!时器超时释放呼叫。话统显示“A1接口失败.藻
10、Icssac Brovscr IsgEKplain-D.00000000 LL000D10 00L001ID LLD11D OOLOOEH-D- LOLOL ODD00000000l.f mere2、传输误码率高导致指配资源失败xcl i.3e-pri?rmsid:CC 61 13 IE 11,Laver3 or il&T-nazz-aaorderCode 0i35 C2L) 4.4.di 13 oiiil-ril bEi22OEEtE2OEC66 22 p m点 消直1时消息类型-i消息方向I匐达gti旬I德真内蓉159UmOri gination Mess ageR-CSCH2155:12
11、407:00004 06 2B 44 8f160AlCM Servi ce Re qiie e tB3萨湖9C2155:12408:62500 65 57 05 02161AlAssi grim ent Re que s tMSC7B2C2155:12586:25000 IB 01 OB 03162Abi=;Abis_BTS SetupBSCrBTS就55:1J587:7580 10 08 :6 5E163Ab i: Abi s_BTS Flele:seBSGi-BTS21:55.15581:625.8210 08 16 53164As si gmiierit Y ailm_eB3C-ffl3
12、CZ155:155SZ:00 04 03 04 01165照Azsi grim ent Re que e tMSiif-B9C2155:16667:25000 IB 01 OB 0Z166啪ClH:t- RequeEtBSC-MflSC2155:18081:62500 04 22 04 01167AnCl t: :=q_ CornrriTLiiMSC-B3C2155:18238:00000 04 20 04 01168/UmOrder MessageF-CSCH2155:18238:25001 06 0E 07 Al169/ UmOrder MessageF吊貌H_2155:18531:875
13、01 06 0E 07 Al170/ AlCle:eq- Complete毓小SC55:18嗦:50000 01 21171/ lAIJN_DISCONNECT_IKDMSC-BSC2155:18638:750BSC09 :3l蛇:252:潮BSC-BTS09 ?30按375BTS-BSCBSC-BTS09:3009 30密;的、271275.250221BrS:BSC FjfT *159?3(卅 23321625250y-CSCJf09:30?3_6?0sroF-DSCH09 wS3加7SBEC-INSCLiy :3Q::23:7Q3:87E.逍息肉容 01 06 0E 04 06 瘟5T
14、U1 0808U0 6T ooTsa so J0 01 10 已下发ECAM消息, 指配资源已成功 U? Ub U ! 02 0E T:.0!0:lIIULI 04 03 0SC-BSC话统显示失败原因:信令交互失败.愣端我BSC在F-DSCH下发-Order Message,说明 已经捕获到反向业务信 道前导帧引起信令交互失败一般是空口原因,本案例比较特殊,该基站下面呼叫全部失败,通过 结合CSL分析,发现存在大量0x0c8b( SDU_ADD_LINK_FAI。接入失败,怀疑FMR (帧处理板)板有故障,在征得客户同意基础上复位小框后(该框下仅有这一个基站) 解决。12软切换1.2.1正常
15、信令A files. . . Mnssage tjTefi1esE:=LgH Hi recti cm13Urn Ur Jer Mess ageF-DSCH14Uti F i 1 : t S tr ength M e asuj- e m e nt H e e e ageR-DSCH15Um Order MheF-D5CH16EUm 5 ervi q自 C uu旧 ct M 总;5 =igeF-DSCHJJrum! Pilot Strength Measurement HeeIR-DSCH18F-DSCH19EUm Order Message区导频S理度F-D5CH20Um Uriler Mess
16、ageF-DSCH21Urn Ordr MessageF-DSCH22Um Servi ce C oririect Comple ti on Hessb&tR-DSCH23EUti Urdi- Messager-D5CH24Al AsEigTunerLt CompleteBSC-fflSC25EUmi In-Tr af fi c Svstem Farajnet&rs M哭g混 搜索留口大小设詈-DSCH2GLUti Ex t en de d Nei hb or Li st IJp dat e Mess a.加t 固 lF-DSCH27Urn Fower CorLtrol MezzageZRLL
17、夕LR?F-DSCH28真二贝邻区站u链路型立,先败T对回到谣携“Intra淄Soft勇Llm Ut dh!i M t!E E:igh!Hl! Fan 1 m-Q 7 iRtami口匚十 口 d ihi t kqcrun-roc iincnrsii 1口 130Abis Abi 5一匚ormect31Abizl Abi e-C0rmect Ack32.Abis Abi s-BTS Setup Aikril5-.-Ti5L.33_明 ?匚Li ver j al HaruM D i r e H 1 “ne s三:mg:巳 狷 息包,苫新的灌活症所有M玄F府0 W :=LL wh34_Um iJri
18、er Mheeage35Urn In_Tr at i c Sys tern F:d2-:urie t&rs MeEE=igeF-DSCH36Um Order MessageF-DSCH3TEUm IrrTr af fi c System FarairiE t已rm MezzageF-DSCH38Um Order Message主起此击hnmu油白 血里迥右关kllibl相由主#二鉴.Qlj j yLLUTIur uti rn_n-r c-un p . iJ, n +.t. ._ _i . ?40p. 1 -.Di_ jrt jlu r -i iji i j i.rL-ial u 1 ilt.i
19、i r -1: -j.diliji iii-jj. jLUtiJ Urder Message41Urn H:=ltl1i:i tt C orriple ti on MessigeR-DSCH42Um Urder MessageF-DSCH43AL H:aiLdi:i ft F er fur medBSC-fflSC44EAb is Abiop agat i on D el ay Rep or tBT5-B5C45Um Order files sageF-DSCH46Um LlfdrF-DSCH47EUm F dwer M e asm- ement Ee j 0 rt Mess ageR-DSC
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