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Training Module for 3 G (WCDMA) Day :1 • WCDMA principle and overview. WCDMA Radio Interface Physical Layer Day :2 WCDMA Handover Principle • WCDMA Power Control Principle • WCDMA RF Optimization Basic
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3G Basics Training Program

Aug 16, 2015

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Neeraj Yadav

3G Basics Training Program for initiation
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Training Module for 3 G (WCDMA)Day :1 WCDMA principle and overview. WCDMA adio !n"erface #$y%ical &ayer Day :' WCDMA (andover #rinciple WCDMA #ower Con"rol #rinciple WCDMA ) *p"i+i,a"ion -a%ic WCDMA PrinciplesDA. / 1 Chapter 1 IntroductionChapter 1 IntroductionChapter 2 WCDMA Network Structure CDMA Network StructureChapter 3 WCDMA Technologies Chapter 3 WCDMA TechnologiesChapter 4 WCDMA RNC Area Chapter 4 WCDMA RNC Area Mo0ile 1e"wor2 3volu"ion1GAnalogue 2GDigital2.5GPacket Data2.75GEnhanced DataNMT NMTTACS TACSAMPS AMPSGSM GSMCDMA CDMATDMA TDMAPDC PDCGPRS GPRSEDGE EDGECDMA 1X CDMA 1XWCDMA WCDMATD-SCDMA TD-SCDMAcdma2000 1X EV-DOcdma2000 1X EV-DO2M,14M2M2.4M384K144K1982199!" 19922##2" 2##1" 2##4" 2##22##4"115K Targe" of !MT'444Glo0al unifor+ fre5uency 0and and %"andard6 glo0al %ea+le%% coverage(ig$ efficien" %pec"ru+ u"ili"y(ig$ 5uali"y of %ervice6 $ig$ %ecuri"y3a%y for evolu"ion fro+ 'G %y%"e+#roviding +ul"i+edia %erviceCar %peed environ+en": 17720p%Wal2 %peed environ+en": 38720p%!ndoor environ+en": '47820p% WCDMA )DD WCDMA FDDMultiple access method D9/CDMADuplex Method )re5uency Divi%ionFrequency Band :plin2 : 1;'4/1;84M(,6 Downlin2 : '114/'1o9 are +ul"iple?ed on a %ingle connec"ionMulti!user detection" smart antennas 9uppor"ed 0y %"andard6 op"ional in i+ple+en"a"ion#o$er Control )a%" #ower Con"rol6 1.@A(,%andoer 9of"er6 9of" B (ard (andover&ransmit Diersity *pen B Clo%ed &oop'oice Coding AM Coice Coding6 ra"e 7. CP#C;?+SCP $ '% iner.erence $'E #niial Po1er < CP#C; po1er > CP#C;?+SCP $ '% iner.erence $ Consan ConsanSystem information :CPICH power, U interferen!e " !onstantPRACH T# power !nner Clo%ed &oop #ower Con"rolPo1er Conrol =io!ate$ in UE " No$e%Contro&s power of $e$i!ate$ p'ysi!a& !'anne&sPower !ontro&s o!!(rs at )*++H,, t'(s -nown as fast power !ontro&No$e% an$ UE !ontin(o(s&y meas(re an$ !ompare S#+meas(red wit' S#+!res!old .a&(e, an$ inform ea!' ot'er to in!rease /re$(!e its power a!!or$in0&y1'E1 'E2 'E6 'E@Wi! Opim(m Po1er Conrol'E1'E2'E6'E@Wi!o( Po1er ConrolRe!ei.e$ power at No$e%Re!ei.e$ power at No$e%7S#+8meas(red9ode='E2'E6'E1'E@S#+ !res!old *u"er Clo%ed &oop #ower Con"rolA$2(st SIR for e.ery (serNee$e$ to -eep tra!- of !'an0es in ra$io en.ironmentAims to pro.i$e re3(ire$ 3(a&ityIf S#+!res!old rea!'es its ma#im(m, system 'as to perform4 inter4fre3(en!y/inter4system 'an$o.er4 RRC !onne!tion re&ease=E+3=%E+ Val(eC!an"e in 7S#+8!res!old+9CS#+ !res!old (andoverSo(ter handoer So(ter handoer/(andover 0e"ween in"ra/fre5uency cell% under "$e con"rol of "$e %a+e -T9/adio lin2 connec"ion "o new "arge" cell i% crea"ed 0efore e?i%"ing connec"ion 0eing dele"ed.So(t handoer So(t handoer/(andover 0e"ween in"ra/fre5uency cell% under "$e con"rol of "$e differen" -T9%%ard handoer %ard handoer/Condi"ion of $ard $andover:!n"ra/fre5uency $andover6 cell% con"rolled 0y differen" 1C% and no !ur in"erface 0e"ween "$e+!n"er/fre5uency $andover!n"er/%y%"e+ $andover Interruption in voice or data communication occurs but this interruption does not effect the user communication 9of"=9of"er (andoverCom0ine all !e po1er .rom eac! secorPo1er recei/ed .rom a sin"le secor Selecion com0inaion in !e +9C d(rin" so. !ando.. Ma*im(m raio com0inaion in !e 9ode= d(rin" so.er !ando..s Tran%+i%%ion Diver%i"y : 9TTDSpace Time ransmi Di/ersi5 7STTD8Transmission di/ersi5 processin"+esorin" daa sreamPa

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! 2Anenna 2Anenna 1BC B0 B1 BDB1 BD BC B0BC B0 B1 BDBC B0 B1 BD Tran%+i%%ion Diver%i"y : T9TDTransmission di/ersi5 processin"Daa sream 1Daa sream 2Daa sream+esorin" daa sreamPa

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! 2Anenna 2Anenna 1Time S1ic! ransmi Di/ersi5 7TSTD8'sed in s5nc!roniAaion p!5sical c!annel 7 SC;8 'MTS +adio #ner.ace P!5sical %a5er Chapter 1 2 #h0sical 3a0er ,/er/iew Chapter 1 2 #h0sical 3a0er ,/er/iewChapter 2 2 #h0sical 3a0er 4e0 Technolog0 Chapter 2 2 #h0sical 3a0er 4e0 Technolog0Chapter 3 2 #h0sical 3a0er #roceures Chapter 3 2 #h0sical 3a0er #roceuresChapter 4 2 Trans%it Di/ersit0 on #h0sical Chapter 4 2 Trans%it Di/ersit0 on #h0sical Channel Channel :TA1 #ro"ocol 9"ruc"ure 19 1C 19 1C Core 1e"wor2 1ode - 1ode - 1ode -1ode - !u!u !ur !u0 !u0 !u0!u0 9preading Tec$nology9preading con%i%"% of ' %"ep% C$anneli,a"ion opera"ion: Tran%for+% da"a %y+0ol% in"o c$ip%. T$u% increa%ing "$e 0andwid"$ of "$e %ignal. T$e nu+0er of c$ip% per da"a %y+0ol i% called "$e 9preading )ac"or 9) .T$e opera"ion i% done "$roug$ +ul"iplica"ion wi"$ *C9) code.9cra+0ling opera"ion i% applied "o "$e%preading %ignal.Data 5it67S8 !o$eS!ram5&in0 !o$eC'ips after sprea$in0 C$anneli,a"ion Code*C9) code i% u%ed a% c$anneli,a"ion code T$e c$anneli,a"ion code% are uni5uely de%cri0ed a% Cc$69)626 w$ere 9) i% "$e %preading fac"or of "$e code and k i% "$e code nu+0er6 4 k 9)/1. 9) I 19) I '9) I 7 Cc$6164 I (1) Cc$6'64 I (161) Cc$6'61 I (16/1) Cc$6764 I(1616161) Cc$6761 I (1616/16/1) Cc$676' I (16/1616/1) Cc$6763 I (16/16/161) 9cra+0ling Code9cra+0ling codeG*&D %e5uence.9cra+0ling code period : 14+% 6or 38744 c$ip%.T$e code u%ed for %cra+0ling of uplin2 D#CC(=D#DC( +ay 0e of ei"$er long or %$or" "ype6 T$ere are ''7 long and ''7 %$or" uplin2 %cra+0ling code%. :plin2 %cra+0ling code% are a%%igned 0y $ig$er layer%.)or downlin2 p$y%ical c$annel%6 a "o"al of '18/1 I 'J'6173 %cra+0ling code% can 0e genera"ed. *nly %cra+0ling code% 2 I 46 16 L6 81;1 are u%ed. #ri+ary 9cra+0ling CodeScram0lin" codes .or do1nlin: p!5sical c!annelsSe 0Se 1BSe C11Primar5 scram0lin" code 0BBSecondar5 scram0lin" code 1Secondar5 scram0lin" code 1CPrimar5 scram0lin" code C11D1EBBSecondar5 scram0lin" code C11D1E 1CF1G2 scram0lin" codesC12 ses #ri+ary 9cra+0ling Code GroupGro(p 0Gro(p1BGro(p E6C12 primar5 scram0lin" codesE@ primar5 scram0lin" code "ro(psEac! "ro(p consiss o. F primar5 scram0lin" codesPrimar5 scram0lin" codes .or do1nlin: p!5sical c!annelsPrimar5 scram0lin" code 0BBPrimar5 scram0lin" code 1Primar5 scram0lin" code HPrimar5 scram0lin" code FIE6BBPrimar5 scram0lin" code E6IF H Chapter 1 2 #h0sical 3a0er ,/er/iew Chapter 1 2 #h0sical 3a0er ,/er/iewChapter 2 2 #h0sical 3a0er 4e0 Technolog0 Chapter 2 2 #h0sical 3a0er 4e0 Technolog0Chapter 3 2 #h0sical 3a0er #roceures Chapter 3 2 #h0sical 3a0er #roceuresChapter 4 2 Trans%it Di/ersit0 on #h0sical Chapter 4 2 Trans%it Di/ersit0 on #h0sical Channel Channel Chapter 2 2 #h0sical 3a0er 4e0 Technolog0 Chapter 2 2 #h0sical 3a0er 4e0 Technolog0Section 1 Physical Channel Structure and FunctionSection 2 Channel Mapping WCDMA adio !n"erface3GPP protocol defined C!M" radio interface into three channels# Physical channel$ transport channel and logical channel% 3ogical channel# Carrying user services% !ivided into 2 types$ based on services it carried# Control channel and service channel% Transport channel# &et'een radio interface layer 2 and physical layer% Services provided by physical layer for M"C layer% &ased on information transported$ can be divided into dedicated channel and common channel% #h0sical channel# It is the ultimate embodiment of all (inds of information 'hen they are transmitted on radio interfaces% )ach channel that uses dedicated carrier fre*uency$ code +spreading code and scramble, and carrier phase can be regarded as a dedicated channel% &ogical c$annelTra..ic c!annelConrol c!annelDedicaed ra..ic c!annelDTC; Common ra..ic c!annelCTC; =roadcas conrol c!annel =CC; Pa"in" conrol c!annelPCC; Dedicae conrol c!annel DCC; Common conrol c!annel7CCC; Tran%por" c$annel=roadcas c!annel7=C;8,or1ard access c!annel 7,AC;8Pa"in" c!annel 7PC;8+andom access c!annel7+AC;8$%&, 'A%& ( P%& a)e do*nlink channel+.,nl- .A%& i+ co//on u0link channelDedicaed C!annel 7DC;8Dedicated %hannel 1D%&2 e3i+t+ on u0link o) do*nlink channel2 Dedicaed ranspor c!annel #$y%ical C$annelA p$y%ical c$annel i% defined 0y a %pecific carrier fre5uency6 code (%cra+0ling code6 %preading code) and rela"ive p$a%e. !n :MT9 %y%"e+6 "$e differen" code (%cra+0ling code or %preading code) can di%"ingui%$ "$e c$annel%. Mo%" c$annel% con%i%" of radio fra+e% and "i+e %lo"%6 and eac$ radio fra+e con%i%"% of 1@ "i+e %lo"%.Two "ype% of p$y%ical c$annel: :& and D&P!5sical C!annel8re3(en!y,!o$e,p'ase Downlin2 #$y%ical C$annel Do1nlin: Common P!5sical C!annel Common Pi&ot C'anne& 9CPICH: Syn!'roni,ation C'anne& 9SCH: Common Contro& P'ysi!a& C'anne& 9CCPCH: Pa0in0 In$i!ator C'anne& 9PICH: A!3(isition In$i!ator C'anne& 9AICH:Do1nlin: Dedicaed P!5sical C!annelDown&in- DPCHDo1nlin: P!5sical C!annel ,(ncions o. Do1nlin: DPDC;3DPCC;DCH $ataDPDCHDPCCHPro.i$e !ontro& $ata for DPDCH ,s(!' as $emo$(&ation, power !ontro&,et!1Data 5earerData 5earer at p'ysi!a& &ayer at p'ysi!a& &ayerDCH $ata Co++on #ilo" C$annel(C#!C()Common #ilot Channel 4C#6C%5Carries pre!de(ined sequence*Fixed rate DC-.ps SF>1,ECan use S&&D on this channel Co++on #ilo" C$annel (C#!C()#rimary C#6C%:%e% *C9) code /Cc$6 '@J649cra+0led 0y "$e pri+ary %cra+0ling code*nly one C#!C( per cell-roadca%" over "$e en"ire cellT$e #/C#!C( i% a p$a%e reference for 9C(6 #ri+ary CC#C(6 A!C(6 #!C(. -y defaul"6 i" i% al%o a p$a%e reference fordownlin2 D#C(.Secondary C#6C%An ar0i"rary c$annel code of 9)I'@J i% u%ed for 9/C#!C(9/C#!C( i% %cra+0led 0y ei"$er "$e pri+ary or a %econdary %cra+0ling codeT$ere +ay 0e ,ero6 one 6 or %everal %econdary C#!C(.9/C#!C( +ay 0e "ran%+i""ed over par" of "$e cell9/C#!C( +ay 0e a p$a%e reference for 9/CC#C( and downlin2 D#C(. 9ync$roni,a"ion C$annel (9C()8sed (or cell search&$o su. channels< #!SC% and S!SC%* SC% is transmitted at the (irst 1,E chips o( eery time slot*#SC is transmitted repeatedly in each time slot*SSC speci(ies the scram.ling code groups o( the cell*SSC is chosen (rom a set o( 0E di((erent codes o( length 1,E" there are altogether E) primary scram.ling code groups* Primary SCH Se!on$ary SCH ;*< !'ips ;*1,E ! )* FAC% and #C% can .e mapped to the sameor separate SCC#C%s* 6( mapped to the same S!CC#C%" they can .e mapped to the same (rame* 9lo" M49lo" M19lo" Mi9lo" M17 T%lo" I '@J4 c$ip%6 '4N'2 0i"% (2I4..J) #ilo" 1pilo" 0i"% Da"a 1da"a 0i"% 1 radio fra+e: Tf I 14 +% T)C! 1T)C! 0i"% #aging !ndica"or C$annel (#!C() 6ne ra$io frame 9)+ ms: 5)5+ ;?? 5its for pa0in0 in$i!ation); 5its 9(n$efine$: 5;?@ 5;??5;AA )i?ed/ra"e (9)I'@J6 3)6 u%ed "o carry "$e #aging !ndica"or% (#!).#!C( i% alway% a%%ocia"ed wi"$ an 9/CC#C( "o w$ic$ a #C( "ran%por" c$annel i% +apped "o. 1paging indica"or%O#!46 L6 #!1/1P in eac$ #!C( fra+e6 1I186 3J6