Radio OptimizationBhupinderjit SinghMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.AgendaGSM Networks RF Optimization , Related Stats and Parameters DAY 1 - 2t! "#l$Network Performance related stats.Network Performance related parameters.DAY 2 % 2&t! "#l$KPI monitoring and fow charts to rectify KPI issues.Coverage Optimiation.DAY ' % 2(t! "#l$Interference.!rive "est #nalysis.$ake your own optimiation tool.Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Overview !uring Optimiation all activities go %and in %and& 'ust like a 'igsaw pule until all pieces (t together you wont get the desired picture.Physical activities!rive "estParameters)tats

P#*#$+"+*)!rive "ests Physical #ctivities )"#")

Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Need For OptimizationOptimiationo,'ectiveistoe-tractthe,estperformance fromthenetwork&atanygivenphaseofthelifecycleofthe network Cellular systems continuously changing.new radio sites introducedold sites enhanced and assigned additional fre/uenciesomni0directional sites ,eing sectorised etc"hroughout this evolution& it is important to maintain 1 constantly optimise performance of radio network& hence the need for this (ne0tuning or optimiation process.Note )- Optimization is a *ontin#o#s pro*essMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Optimization Flow Chart$onitor networkKPI2s#nalye data3O) "argets $et45esIdentify pro,lemsImplement ChangesNoMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Optimisation ProcessMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.+N,ROD-.,+ON ,O N/,0OR1P/RFORMAN./ S,A,SMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Performance Statistics #66OC7)!CC% #66OC7)!CC%78#I6 #66OC7"C% #66OC7"C%78#I6 #9#I6#:6+7)!CC% #9#I6#:6+7"C% :;)57)!CC% :;)57"C% C7)+";P7);CC+))7*#"+ C7)+";P7"C%7:6OCKIN7*#"+ C7);CC+))7*#"+ C79O6;$+ C%#N7*+37C#;)+7#"$P" C%#N7*+37$)7:6K C%#N7*+37$)78#I6 *8 loss on "C% *8 loss on)!CC% %#N!O9+*)7P+*7C +)"7+?I)"7%O7#"$P" CONN7*+8;)+! CONN7*+37"O7$)C %#N!O9+*78#I6;*+7*#"+ %#N!O9+*7);CC+))7*#"+ "C%7*876O))7*#"+ )!CC%7:6OCKIN>7*#"+ $#?7"C%7:;)5 P#>+7*+378*O$7$)C P#>+7*+)PON)+ P#>IN>7);CC+))7*#"+"C%7:6OCKIN>7*#"+Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Performance Statistics #tt7;@67/ual #tt7!@67/ual )!CC%7*876O))7*#"+ "C%7:6OCKIN>7*#"+ "C%7$+#N7%O6!IN>7"I$+ "C%7"*#88IC7C#**I+! C%#N7*+37$)78#I67*O66 $#78#I678*O$7$) !*OP7C#667*#"+.arrier Statisti*s IOI )$@>)$FGEH I JD d:m...KD I G d:mC >)$KFEE@PC)KDEEE I JE d:mK I HF d:mH I HL d:m...KG I E d:mMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Cell Selection)Reselection.1) : >A % Ma9 >7, ?@@A) : >R9leA AAera2e % p1@7) : p2 % Ma9 RF Power oB MS p1 : r9leA4a**ess4min : ;roup repetition period of M multiframes& which is DMEms.It is recommended that ,s7pa7mfrms ,e increased to L& giving a repetition period of F multiframes C) setting onboth places*)f the A interface is Phase = and 3interface is Phase %' then secondar/handover on one direction will have proble#'this proble# occurs on Nortel(Sie#ens MSCinterface*arge H-+MA!A)NAll ,ualified neighborshave blockingarge hre,ave 8 hre,tate HoAood ,ualifiedneighbors have blockingN D hre,t)#proper setting ofhandover+recognised+period and bss#ap+tJ)#proper H- algorith#0"/pe %(J1Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.rr7t42B4Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Neigh;or anal&sis Neigh,our lists are diPicult to keep up0to0date. Often neigh,ours are never deleted as new cells are commissioned and cells which were previously neigh,ours should not ,e any more. #lso& the diPiculty in predicting cell coverage areas means that often mo,iles are using cells in non e-pected areas and hence no neigh,ours were planned. :y temporarily over0populating the neigh,our list& all mo,iles will report ,ack all neigh,ouring cells that they can detect& whether they are in the neigh,our list or not. #ny neigh,ours that are found in this way could represent a missing neigh,our. +ach missing neigh,our represents a potential dropped call due to the a,sence of handover when re/uired. On the other hand& there could ,e neigh,ours with no reports that should ,e deleted or neigh,ours found in the measurement reports that should not ,e reported.Note . One should overpopulate the Neigh,or list for any new site in the Network. Once the site is on #ir for around J0M days & the per neigh,or stats can ,e analyed and corrective measures like deleting & changing margins and even analye overshoots can ,e taken care of. #lso one should remem,er to delete the unnecessary Neigh,ors which sometimes remain there even after new sites have ,een added in the Network. "his can ,e done ,y ena,ling the Neigh,or stats for cells initially with RKE Neigh,ors and delete the unnecessary neigh,ors.Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Neigh;or anal&sisMissin2 Nei2!3o#rs "he pro,lem of a cell having a missing neigh,our could ,e mainly due to a mistake in the neigh,our list& or in either the planning or deletion processes.8irst step is to get information directly from the stats or C#" tool a,out *8 losses per carrier or per cell. If a cell presents a high value for this statistic eographic information. C"P tool can also ,e utilised for the a,ove purpose. In C"P adding dummy neigh,ors and using C"P hot0spot neigh,or analyses can help us to (nd the strongest candidates which have not ,een added as the neigh,or or are missed during updating the neigh,or data,ase.Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.(ualit& !ssuesI#alit$Ahen a cell presents ,ad performance in the stats %:O;*7$#*>IN.Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.CO#$RA"$ OP*!%!SA*!ONMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Coverage !ssues .oAera2e !oles) Places with no coverage or low level coverage& where there is no dominant server are potential spots of ,ad /uality. In an environment with tight reuse pattern& and hence higher noise raphicalH. "a,ular Protocol $essagingK. 6J @ 6HMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Phone %easurements+D8/ Mode )erving CellK. #*8CNH. *-levJ. Cell I!M. :)ICG. CK 1 CH 6#IK. $NC&$CC&6#C Neigh,or CellK. #*8CNH. *-levJ. :)ICM. CK 1 CHDedi*ated ModePhone )tate$"?"#*-lev < 8ull and )u,=*-/ual < 8ull and )u,=8+**6"CMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.og file Anal&sis ;ndecoded :)IC No %andover !elay %andover Ping Pong %andover Overshooting %igh Overlapping No !ominant )erver Poor Coverage ;nreasona,le )erving #rea Interference %andover 8ailure %andover 6oss !rop Call:elow lists common pro,lems which can ,e o,served from !rive "est 6og.Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.,ndecoded BCC' 123!escription.:)ICs can2t ,e decoded in Gs;sually consider J strongest neigh,ors*eason.>C6K shift& only decodes same site :)ICsChannel interferenceNon0:CC% carrier& no dedicated spectrum for :CC%Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.,ndecoded BCC' 1-3Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.No 'andover 123!escription.Neigh,or :)IC is decoded and CO$$ON handover re/uirement < handover margin and min r- level = is ful(lled ,ut there is never a handover*eason.$issing neigh,orNo such neigh,or in C$ data,aseIncorrect e-ternal neigh,or"arget cell2s 6#C@:CC%@:)IC in add7neigh,or is diPerent from those in e/uip7rtfNever used O$C0* Pro-y Cell to propagate e-ternal neigh,or informationImproper setting of hre/t & hre/ave & N 1 P.)erving cell overshoots@covers too far awayMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.No 'andover 1-3Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.+ela& 'andover 123!escription.Neigh,or :)IC is decoded ,ut handover occurs in much later time*eason.#ll possi,le neigh,ors suPer ,locking6arge hre/t C hre/ave/ual7power7fag is ena,led& full :")@$) power must ,e reached ,efore handover6arge handover7recognied7period and ,ssmap7tN settingMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.+ela& 'andover 1-3Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Ping Pong 'andover 123!escription.6ot of handovers ,etween cellsT"ime ,etween %andoverU is around hre/tChre/ave of such %O cause*eason.Improper hardware cali,ration%ardware fault;6@!6 interferenceNegative handover!iPerent coverage footprint for antennas of a cellMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Ping Pong 'andover 1-3Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Negative 'andover 123!escription.)erving cell hands over to a weaker neigh,or*eason.ho7only7ma-7power is ena,led/ual7margin7fag is disa,ledho7margin7usage7fag is ena,led with negative ho7margin7r-/ual@r-levNegative %O7$#*>IN$icro0cellular algorithms are ena,led& especially type GMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Negative 'andover 1-30GDd:m ,efore %O0LLd:m after%OMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.OverShooting123!escription.Cell shoots at far distance ,ut that location has closer cells around*eason.Overshooting cell has small downtilt& E degreeWOvershooting cell has too high altitudeCloser cells have overshooting as well:)IC of closer cells can2t ,e decodedMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.OverShooting 1-3Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Over Shooting CellMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.After 'eight Reduction and +owntiltMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.'igh Overlapping 123!escription.Cells have general r-level diPerence within ]Gd:*eason.Overshooting"oo many cells in that areaPoor antenna down tiltPro,lem in #ntenna Pattern.Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.'igh Overlapping 1-3Over 6apping #rea0LGd:m0LGd:m0LGd:m0LGd:mMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.No +ominant Server 123!escription.*-level of ,est neigh,ors are close to that ofserving cell*eason.Poor antenna downtilt6ack of near0,y siteMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.No +ominant Server 1-3Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Poor Coverage 123!escription.6ow r-level with poor r-/ualityIn rural area& r-level is less than KG )$ :)) )tatistics #nalysis %and,ook, +rop 123 Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004., +rop 1-3 Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.+rop Call 123!escription.!6 case. *adio7link7timeout counter decreases to E;6 case. link7fail counter decreases to E6ayer H. :))@$) send )#:$@!I)C in every "HEE for NHEEVK times& and no response from recipient*eason.#ll cases in this presentation*efer to >)$ :)) )tatistics #nalysis %and,ookMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.+rop Call 1-3Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.%a:e @our Own Optimization *oolMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.,tilizing %S Access MS a**ess *an 3e #tilised to 3#ild a dail$ anal$sis tool . Import the cell stats daily ,asisImport carrier stats at least weekly)et threshold levels for each cell ,ased on the past data.!aily compare the threshold values for the cells.)elect around top JE cells which are crossing thresholds & each for separate causes. e.g %igh "ch drop rate & %igh )d drop rate & 6ow total calls & Poor %O succ rate & 6ow assignment rate 8ollowing the a,ove process around KGE worst performing cells will ,e analyed daily.#t least weekly do the Path :alance and %igh interference analysis and take corrective measures as discussedMotorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.Summar&Network Performance related stats.Network Performance related parameters.Power Control and %andovers.KPI monitoring and fow charts to rectify KPI issues.Coverage Optimiation.Interference.!rive "est #nalysis.Motorola InternalUse Only MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Ofce. Allother product or service names are the property of their respective owners. Motorola, Inc. 2004.0here to "et %ore !nformationMotorola Manuals :Sys02 ,Sys03, Sys12 , NET03 , CP02 , CP15 , Sys04 Motorola internal site :compass.mot.com