EB LTE White Paper 062009

7/27/2019 EB LTE White Paper 062009

1/20

Beyon ConformanceTestng n 3GPP LTE

Whte Paper


2/20

Beyon Conformance Testng n 3GPP LTE

Whte Paper

Publshe 22n June 2009

Wrters: Tomm Jms (EB), Juha Yltalo (EB), Janne Kolu (EB),

Petter Heno (EB), Jonne Psl (EB), Sanna Mkelnen (EB),

Juss Laakso (Upknowlege)

Copyrght 2009 EB (Elektrobt). All rghts resere.

The nformaton contane heren s subject to change wthout

notce. EB retans ownershp of an all other rghts to the materal

expresse n ths ocument. Any reproucton of the content of ths

ocument wthout pror wrtten permsson from EB s prohbte.


3/20

BEYOND CONFORMANCE TESTING IN 3GPP LTE 3

TABLE OF CONTENTS

1. ABSTRACT.........................................................................................................................................................................4

2. inTRoduCTion................................................................................................................................................................5

2.1 MbledataBsessdrvers............................................................................................................................5

2.2 LTEnextGeeratfMbledata.............................................................................................................5

2.3 LTERaFametals...................................................................................................................................6

2.4 LTE-Avace......................................................................................................................................................8

3. PRoduCTTESTinGinLTE...............................................................................................................................................9

3.1 FelTestg........................................................................................................................................................93.2 RaCaelEmlat...................................................................................................................................9

3.3 CfrmaceTestg.........................................................................................................................................9

3.4 BeCfrmaceTestg...........................................................................................................................10

4. RAdioChAnnELModELS..............................................................................................................................................12

4.1 RaCaelMelsfrLTECfrmaceTestg.....................................................................................12

4.2 RaCaelMelsfrBeCfrmaceTestg..............................................................................12

4.2.1 SCMMel..............................................................................................................................................13

4.2.2 SCMEMel...........................................................................................................................................14

4.2.3 LTEEvalatMel............................................................................................................................14

4.2.4 WinnERMels.....................................................................................................................................15

4.2.5 iMT-AvaceCaelMels............................................................................................................15

4.2.6 CmparsfGSCMMels...............................................................................................................16

5. SuMMARy.........................................................................................................................................................................17

6. EBSoLuTionS..................................................................................................................................................................17

7. REFEREnCES.....................................................................................................................................................................18


4/20

BEYOND CONFORMANCE TESTING IN 3GPP LTE4

ABSTRACT1.

Te3rGeeratParterspPrject(3GPP)LgTerm

Evlt(LTE)staarwasfrmallfrzeMarc2009.

TefreezgftestaarspeespLTEprctevelp-

metatestg.TsWtePapertrceste3GPP

LTEteclgascssestecfrmaceabe

cfrmacetestaspects.TepaperescrbeswLTE

prcts,sstemsaapplcatsaretestearealstc

wrelessevrmettteelbtalabratr.

3GPP 3rGeeratParterspPrject

AA AglefArrval

Ad Aglefdepar tre

AWGn AtveWteGassanse

B3G Be3G

BER BtErrrRate

BLER BLckErrrRate

BSC BaseStatCtrller

CdL ClsteredelaLe

eneB evlveneB(LTEbasestat)

EPA ExteePeestraAcaelmel

ETu ExteeTpcalurbacaelmel

EVA ExteeVeclarAcaelmel

hSdPA hgSpeedwlkPacketAccess

hSPA hgSpeePacketAccess

hSPA+ hSPAevlt

Flas-oFdM FastLw-latecAccesswtSeamlesshaffoFdM

GSCM Gemetr-baseStcastcCaelMel

iMT-2000 internatonalMobleTelecommuncatons(global3Gstandard)

iMT-Avace iMT-Avace(glbal4Gstaar)

iPTV iteretPrtclTelevs

iTu iteratalTelecmmcatu

iTu-R iTuRacmmcatsectr

LS LefSgt

LSP LargeScaleParameter

LTE LgTermEvlt(3.9G)

LTE-Avace LgTermEvltAvace(4G)

MiMo Mltple-iptMltple-otpt(amlt-ateasstem)

nLS nLefSgt

oFdM ortgalFreqecdvsMltplexg

oFdMA ortgalFreqecdvsMltpleAccess

PAPR PeaktAveragePwerRat

QS QaltfSer vce

RnC RanetwrkCtrller

RRM RaResrceMaagemet

SAE SstemArctectreEvlt

SC-FdMA SgleCarrerFreqecdvsMltpleAccess

SCM SpatalCaelMel

SCME SCMExtee

TdL TappedelaLe

uE userEqpmet

uMTS uversalMbleTelecmmcatsSstem

WCdMA WebaCedvsMltpleAccess

WinnER WrelesswrlintatvenEwRa(prjectame)

ABBREviATiONS

Tebeetsfbecfrmacetestgcmparet

staarcfrmacetestgareexplae.LTEtermal

abasestatmafactrersaswellasperatrsare

recmmeetgbebasctestgacarrt

perfrmacemeasremetsalreateearlpasesf

LTEprctevelpmet.TeWtePaperalsscsses

tefferettestgmetsatrceskera

caelmelswccabesetetestgprcess.


5/20


iNTROdUCTiON2.

itepastfewearsmbleatasageasexperece

aremarkablegrwt.Mblesbscrbersarecreasgl

sgtecelllaretwrkstaccessteiteretater

ataservces.Tstresswgsgsfslwg.

Fgre1llstratesaestmatftettalatagrwt

mbleetwrksfrteearftre.Matelecmperatrs

avebeereprtga6-t14-flcreasembleata

csmptfrm2007.[Srce:RsavResearc,EdGE,

hSPAaLTE-Brabaivat,nvember2008].

Moble data Busness drers2.1

Tekebsessrverfrtesgcatgrwtmble

atacsmptsterecetbreaktrgfbraba

wrelessaccess(brabawrelessaccess)teclges

scasWLAn,uMTS/hSPA,LTEaWMAX.Tecrease

teatatrafcfrmcelllarsbscrberssrvebeas

abqtsaccessfrmlaptpcmpterswtcelllar

uSBgles,aswellasewlaptpmelsfeatrgblt-

celllarterfaces.Tsaccessmetsmaefeasblebte

atratebllgmeltatsbecmgcreasglpplar

wtperatrs.Tecreaseataratesalsmaketpssble

ttrcemaew,vatveservces.

Altgtebrabawrelessaccesstre

prvesmabsesspprttesfrmblebraba

teretservceprvers,testcmewttsme

serscalleges.Tekecallegefrcelllarperatrs

prvgaat-ratebrabawrelessaccesssbscrpt

stecstperbtffere.Asteataratescrease,ts

becmgcreasglevettattecstperbtgres

fferebcrrettrgeerat(3G)teclgescat

scalettewespreaaptfgspeebraba

wrelessaccesssbscrpts.Tssettecmplextf

tecrretcelllaretwrkfrastrctreatelmtats

fteraterfaceteclg.Tvercmeteabve-

metecalleges,LTEprvesterestgpprttes

frgatarateapplcats.

LTE Next Generaton2.2of Moble data

Matratalcelllarperatrsarelkgtwarsa-

teremerggteclgasawatevlveteretwrks.

TsteclgscalleLgTermEvlt(LTE).LTEs

specebteTrGeeratParterspPrject(3GPP).

Tesamergazatcrretlverseesteevelpmet

fteterGSMfamlfteclges.TeGSMfamls

llstrateFgre2.

Te3GPPLTEsspeceRelease8f3GPPspec-

cats.LTEasbeeesgetbeterperablewt

teterGSMfamlfteclges.Terefretprvesa

lgcalevltpatfrexstgGSMaWCdMAperatrs.

Fgre1.Trafcgrwtestmatmbleetwrks.

Fgre2.GSMfamlfteclges

2007 2008 2009 2010 2011

Moble voce Moble data

Terabyte

3 000 000

2 250 000

1 500 000

750 000

2G 2.5G 2.9G 3G 3.5G 3.9G 4G

3GPP Cellular Network Eoluton

GSM GPRS EDGE WCDMA HSPA LTE LTE-A


6/20


LTEcversaewraterfaceaeacecre

etwrkarctectre(SAE)tatsbasecmpleteliP

trasprt.LTEsexpectetsbstatallmprvecellcapac-

t,e-sertrgpt,prveeaceQaltfServce

(QS)arecetelatecexperecebteser.Tese

featresareexpectetallmakemblebraba

arealtabrgwttasgcatlmprveser

experece.TesefeatresallwLTEtspprtew,mre

emagservces,scasiPTV,mscavesarg,

teractvegamgatermltmeaapplcats.Sme

kefeatresfLTEarelstebelw.

dwlkpeakataratesfmreta100Mbps

aplkpeakataratesteragef50Mbps.

RaterfacebaseoFdMAaSC-FdMA

wtspprtfrgrermlat(64-QAM).

Spprtfrexblecarrerbawtsragg

frm1.25Mhzpt20Mhz.

Spprtfrawevaretfewaexstg

spectrmbas.

SpprtfrFddaTddeplmets.

Spprtfrseamlessaverstexstg

3GPPcelllaretwrks.

Spprtfrmlt-ateaMiMocgrats

bttetermalatebasestat.

LTEcveragewllmstlkelbeprvefrrbaceters

rst,weretwllcmplemetteexstg2Ga3Getwrk

cverage.

LTE Rao Funamentals2.3

TeLTEraterfacecarresataactrlsgals

betweeteLTEtermalatebasestat,mrespec-

callkwasteevlveneB(eneB).iGSM/WCdMA

sstemstebasestatslrespsblefrtepscal

laerprcessg,ateBSC/RnCalescrtcalRa

ResrceMaagemet(RRM)relatetasks.iLTEtebase

statsslelrespsblefrallra-relateprcessg.

TeLTEwlkratrasmsssbase

ortgalFreqecdvsMltplexg(oFdM).oFdMs

as-callemltcarrermlattecqe,wcte

caelbawtsvetamberfsbcarrers

(Fgre3).Eacsbcarrersvallmlatewt

apartfteverallbtstreamtbetrasmtte.oFdM

prvesseveralbeetstatmaketastablecce

frwrelesstrasmss.oFdM-basereceversareless

cmplextaWCdMArecevers,wcrectlrelatest

teevelpmetcstsfuEamakgoFdMwellstable

frwlk.oFdMprvesgprtectagast

iter-Smbliterferece(iSi),aswellasagastarrwba

terferecegeeral.iat,mplemetatfte

exblecaelbawtsrelatveleaswtoFdM-base

sstems.Tebawtcabescalebsmplcaggte

mberfsbcarrerssefrtrasmss.oFdMsals

seWLAnaWMAX.

WatseparatesoFdMfrmrmalfreqecvs

mltplexgstesbcarrerspacg.Bcarefllselectg

tecrrectparameterstesbcarrersaremaertgal

r-terfergteacter.Tsallwstesbcarrerst

beplaceclserteactertefreqecma,ts

creasgtespectralefcecftetrasmss.

LTErasesoFdMsmewatfferetlte

wlkateplk.itewlktebascoFdM

fctaltsexteetalsprvetemeasfr

mltpleaccess.TsvaratfoFdMscalleortgal

FreqecdvsMltpleAccess(oFdMA).WtoFdMAte

LTEbasestattrasmtstfferetsersbsgfferet

setsfsbcarrers,asllstrateFgre4.

Tesbcarrerallcatcabecagerapl

rertaapttcaggracaelcts.TeLTE

basestatmakesteraresrceallcatecs

bemplgRRMalgrtms.Teplkawlk

resrcesareallcateepeetlfeacter.Teall-

catcrterstspecete3GPPspeccats,bt

tclbebasetecaelqaltfeebackreprteb

tembletermals,frexample.

oefterawbacksfoFdMAsterelatvelg

PeaktAveragePwerRat(PAPR).TeoFdMAsmblsca

Fgre3.illstratfoFdMteclg.Tecaelbawtsvetclselspacertgalsb-carrers.

OFdM SubcarrersChannel BW

ff


7/20


avegampltepeaks,wcreqresavacelear

pweramplersapractceleastpwerefcec.

oFdMmlatwaseemefeasblefrLTEtermal

trasmss.Terefre,amrepwer-efcettrasmss

sceme,kwasSgleCarrerFreqecdvsMltple

Access(SC-FdMA),wasevelpefrteplktrasmss.

SC-FdMAsprcpleqtesmlartoFdMA.Tema

fferecestatwtSC-FdMAatastrasmtteeffectvel

asmbl-b-smblbass.TsappracprcesaPAPR

levelwcssgcatlsmallertatatfoFdMA.

Mltple-ipt-Mltple-otpt(MiMo)teclgas

recevemcattetrecetearsettsptetal

trastcallcreasetecapactftesstemwcts

eple.TebasccceptbeMiMostsemltple

ateasbttebasestatatesertermal

frsgaltrasmssarecept.MiMoteclgwll

aveakerlemprvgtespectralefcecfftre

wrelesscmmcatsstems.hSPA+,WMAXaLTEall

takeavatagefMiMo.

MiMocabesetservemaprpses,esc

prpsebegSpatalMltplexg.Wtspatalmltplexg

fferetatastreamsaretrasmttesmltaeslpar-

alleltrgfferettrasmtateas.iter,assmg

ealMiMoracaels,blgtemberftrasmt

areceveateaswllbletetrasmsscapactf

tesstem.Tespatalmltplexgprcplesllstrate

Fgre5.

Fgre4.MltpleaccessoFdMAsebassggfferetsbcarrerstvalsers.

Fgre5.ispatalmltplexgparalelatastreamsaresefrcreasgtelkcapact.

LTE Termnal 1

LTE Termnal 2

LTE Termnal 3

LTE Base Staton

Subcarrer Allocaton

f

LTE Base Staton

LTE Termnal

data Stream 1

data Stream 2


8/20


Asbttetrasmttgateasaterecevg

ateasavespatalseparatbetweetem,te

trasmssswllfaefferetlatfferetateaswe

prpagatgtrgteracael.Terecevercase

tsspatalsgatretfferetatebetweetefferet

atastreams.

Tereceverastavekwlegeabttefag

caracterstcsfeacspatalcaelprrtatatrasms-

s.Tskwlegesprvebsegpltsgals,

wcarekwfrbttetrasmtteraterecever,

vallfrmeactrasmttgatea.Tefagfte

pltsgalcvestesgatreftatpartclarspatal

pat.Astecaelctsarecstatlcaggte

pltsgalseetbetrasmttepercallrert

pateterecever.

LTE-Aance2.4

WleLTEsteteveeplete3GPPasalrea

begtkgabtwtfrterevlvet.Tsevlt

fLTEcrretlgesbteamefLTE-Avace.

TeiteratalTelecmmcatu(iTu)ste

teratallrecgzeetttatwllprcetefcal

etftefrtgeeratcelllaretwrks.TeiTu

RacmmcatSectr(iTu-R)scrretlestablsg

aglballaccepteetf4Gwrelesssstems.Ts

tatvesmrecmmlcalleiMT-Avace.itsalgcal

ctatftewrkeiMT-2000,wcprve

astaaretasetfreqremetsfrte3G

teclges.

Altgtespeccatsavetetbee

alze,tecrretcsessfrteataratesiMT-

Avacesaverambtse:100Mbpsfrgmblt

sbscrbersapt1Gbpsfrlwmbltsbscrberswt

caelbawtspt100Mhz.Clearlteatarates

prvebLTEfallsrtfteiMT-Avacereqremets.

MaplaerstetelecmstrtsregarLTEt

bemrefa3.9Gteclgbettertacrret3.5G

sstems,bttqte4G.

TemarverfrteevelpmetfLTE-Avaces

tmeet,reveexcee,teiMT-Avacereqremetsfra

4Gwrelesssstem.TebawtfLTE-Avacewllmst

prbablbeamltplef20MhzLTE-tpeslts,.e.,20,40,60,

80a100Mhz.TeLTE-Avacespeccatsexpectet

beclete3GPPRelease10.Asmlarevltsbeg

realzefrWMAXteclgtefrmfteiEEE802.16m

staar,wcwllbetebasefrWMAX2.0.


9/20


PROdUCT TESTiNG iN LTE3.

LTEprcttestgclesbasccfrmacetestg,

becfrmacetestg,aeltestg.Racael

emlatcabeefcetltlzefferetprct

testgpases.

Fel Testng3.1

irertgarateeteprctperfrmacefrreal-lfe

perattetestgslmmcreal-lfescearsas

clselaspssble.TeLTEeqpmetcabeeltestea

testsetptatmatcesteteesescear.Tscl

clefrexampleperfrmgrvetestgwtameasre-

metevcetrgacverageareafalveetwrk.Fel

testgsaessetalpartfprct,sstemaapplcat

evelpmet.

Trataleltestgfwrelesstelecmmca-

tsstemsassmerawbacks.Feltestgsgeerall

alabr-tesve,tme-csmgaexpesveprcess.

Weperfrmgtestgteel,testgffferet

evrmetsreqrespscallmvgtetestgeqp-

mettatergegrapcallcat.Feltestgreslts

arespecctteevrmet,lcatatme.Te

are-repeatable,eveerteexactsametestsetp,

lcatatestscearcts.Tssettefact

tatwteltestgteresrealctrlverteatral

evrmetrteracaeleffects.Asatrasmss

sgalprpagatestrgteracaeltsaffecteb

mafferetpemea,scaspatlss,sawg,

mltpatfag,elasprea,dpplersprea,aglesprea,

plarzateffectsaswellasteatfterferece.

Tesepemeaaresmewatramaepete

tmeaplacetetestsperfrme.

Rao Channel Emulaton3.2

AmrespstcateappracttestgLTEprcts

cmpareteltestsstemlateteracaela

ctrllelabratrevrmet.Wttsappractereal

racaelsreplacewtaracaelemlatr,wc

takesallteracaelpemeatacct.Tera

caelemlatrsatestameasremetevcececte

betweetetrasmtteraterecever.Tetrasmss

passestrgteemlatr,wcrecreatese.g.,patlss,

sawg,mltpatfag,elasprea,dpplersprea,

aglesprea,plarzateffectsaswellasteatf

seaterferece.Fgre6llstratesteprcplef

racaelemlattestg.

Tebeetsfracaelemlataretatt

eablesaccrate,ctrllableafllrepeatabletestrs

tbeperfrmealabratrevrmet.Testgtrg

racaelemlatcabesetcmplemetr

smecasesevereplacetrataleltestg.Emlatr

testgsgcatlrecestetestgtmeacstfrava-

retfstaaraspeccraevrmets.Wtara

caelemlatrtspssblettestprctperfrmace

rgetestsessaevrmetscasr,

metrplta,gwa,rralamtasareas.Faster

testgcclesleatsrterevelpmetccles,wc

trwllleatsrtertmetmarketfrewprcts.

Conformance Testng3.3

LTEcfrmacetestsaresetverftatteLTEpr-

ctscfrmt3GPPstaarsatattetrasmttera

receverperfrmacefllltemmmreqremetsset

b3GPP.Cfrmacetestsareteclgspecc.usall

tecfrmacetestsarespecebtesamergazat

tatevelpeteteclgtself.Te3GPPasprct

Fgre6.hwreal-wrlracaelevrmetscabeemlatelab:teprcplefracaelemlat.

EB Propsm

Rao channel

Moble termnal

Transceer

Base staton

Transceer


10/20


cfrmacetestsfrteexstgteclgestasevel-

pe,scasWCdMAahSPA.Te3GPPasalsspece

cfrmacetestsfrtestgLTEtermalsabasestats

[1][2].Tecfrmacetestsaretpcallperfrmeba

exteralrgazat,scasacertecfrmacetest

labratr.

AltgbtteLTEtermalsabasestatsare

evelpeaccrgt3GPPspeccats,ambgtwt

testaarsallwssmefreemfterpretat.Fr

example,teLTEstaarsleetemafctalt

atasksfRRM.TeactalRRMalgrtmsesgsleftt

temafactrers.Tesameapplestpscallaerrecever

algrtms,wccasesperfrmaceevatsbetwee

fferetvers.Cfrmacetestgsvtaltesretat

afferecesmplemetattcasestrbacet

teetwrkrprblemsvsbletteeser.

Cfrmacetestscvertebasctrasmttera

recevercaracterstcsfrbttembletermalate

basestatatemmmperfrmacereqremets

(frbtFddaTddmes).Relatetracael

melg,teclemeasremetse.g.

Receververstcaracterstcs

Referecesestvtpwerlevel

Receverperfrmacereqremets

Sgleateaprtperfrmace

Trasmtverstperfrmace

opelpspatalmltplexgperfrmace

Clselpspatalmltplexgperfrmace

Reprtgfcaelstatefrmat

AWGnracael

Freqecselectveracael

Freqec-selectveracael

ReprtgfPre-cgMatrxicatr.

LTEcfrmacetestsaremaatrfratermalr

basestatprct.Tecfrmacetestsareesge

wtapass/falcrter.Prctstatpasstecfrmace

testsgaafrmalapprvaltbeeplecmmercal

etwrks.

Aexamplefa2x2MiMouEcfrmacetestg

setpsswFgre7.Tecaelmelsatappe

elalemelwtaxeper-caelcrrelat

matrx,seesect4.1.

Beyon Conformance Testng3.4

Teprpsefcfrmacetestgsttsecreptmal

prctperatteel,btmereltvalatetat

tevarsprctsteLTEetwrkcfrmtte

bascreqremetsatattetcaseexpecte

prblemsweperatgteetwrk.Becasefte

passrfalcrterfLTEcfrmacetests,tesetests

tmeasretetreperfrmacefaprctaccratel.

Telgveacatweterrtatesteprct

perfrmsabverbelwaspecetresl.

LTEtermalabasestatmafactrerseea

mettqatftetreperfrmaceftereqpmet

realstcracaelcts.olbbtagacc-

ratearelableperfrmaceatatcabeesretatte

galssetfrteprctqaltaremet.irertbta

tsata,testgtatgesbetebasccfrmace

testgeestbeperfrme.Tstpeftestgsals

kwasperfrmacetestg.Perfrmacetestgallws

temafactrertptmzetearterfaceperfrmace

atmaxmzeteacevablesstemtrgptbefre

lacgprctstemarket.optmzatcabe

perfrmefrexampletefllwgkeareas:

RaCaelEmlatr

EBPrpsmF8

eNoeBEmulator

Fading Channel

Fading Channel

Fading Channel

Fading Channel

UE

Fgre7.uEcfrmacetestsetpswgcectsfr2x2MiMowlk.


11/20


Aaptvemlatacg

Caeleqalzat

Freqecmascelg

havers

MiMocgrats

AaptatbetweefferetMiMomes

Clselppre-cgMiMo

iterferececacellat

RRMalgrtms(e.g.mlt-serscelg).

Avaceperfrmacetestgsbeecalfrmarketga

bsessprpsesaswell.Cmpetttewrelessstr

stg,aevcemafactrersarefrcetwast

fferetatetemselvesfrmtercmpettrs.Prctper-

frmacesekefferetatr.Becaseteresltfc-

frmacetestgestexpresstetreperfrmacefte

prct,tcatbeseasafferetatgfactrbetwee

fferetmafactrersprcts.Bvalatgprctswt

relableperfrmacetestgmafactrersaperatrsca

gaacmpettveavatageteLTEmarket.

Tekebeetstatcabeacevebperfrmg

becfrmacetestgarelstebelw:

Fgre8.Examplef2x2MiMoavertest

Fading Channel

Fading Channel

Fading Channel

Fading Channel

Fading Channel

Fading Channel

Fading Channel

Fading Channel

Fading Channel

Fading Channel

Fading Channel

Fading Channel

eNoeB 1UE

eNoeB 2

Fading Channel

Fading Channel

Fading Channel

Fading Channel

RaCaelEmlatr

EBPrpsmF8

imprveetwrkperfrmaceacverage

Fastereplmet

Avgver-aer-specfgteprct

ptmzgprctperfrmacea

evelpmetcsts

emstratgteperfrmacef

teprctrealstcserscears

Recgteeefrextesveeltests

Realstcperfrmacegresfrpscal

laerasstemtrgpt

e.g.bterrrrate(BER)ablckerrrrate(BLER)

Betterrskmaagemet.

AexamplefabecfrmaceMiMoavertest

setpsswFgre8.itetestsetp,terearetw

eneBswttwateaeac,aeuEwttwate-

aseac.uplkawlkcaperateattesamer

fferetfreqeces(TddrFdd).Teracaelmel

cabe,e.g.,SCMErWinnER(seesects4.2.2a4.2.4).

Teextsecteesteracaelmels

seLTEcfrmaceabecfrmacetestg.


12/20


RAdiO CHANNEL MOdELS4.

Telwatgarateetataprctwllfctasex-

pecteterealevrmetsttesttctstatare

clsetrealt.Weperfrmgtestgtrgemlats,

teracaelemlatrreqresaccratecaelmels

trteemlats.Terelabltaaccracfemlat

resltsarerectllketteaccracftecaelmel

setbtatsereslts.Teclserteracaelmel

strealttemrerelableteresltswllbe.

iattbegaccrate,temelsesl

beexbleegstcabesetemlatema

fferettpesfevrmets.Teeffectsftera

caelareepeetteevrmetalctsa

rbactceterpresetsafferetcallegefrmrral

ctrserarmeetgrm.Eacraevr-

metreqresaspeccaaptatteLTEeqpmet.

Btestgevceperfrmaceacrssaragefcts

expecteacelllarsstemwecaesretatteevces

tlptmzefrafewevrmets.

Mafferetracaelmelsavebeecre-

atebfferetrgazatsfrtestgtevarscelllar

teclges.Tesemelsaretrcetefllwg

sects.

Rao Channel Moels for4.1LTE Conformance Testng

Te3GPPaseeteLTEcfrmacetestsatepa-

rametersfrteracaelmelsTS36.141(eneB)

aTS36.521(uE)[2].

TecaelmelstatareseLTEcfrmace

testgarerelatvelsmple,especallfrMiMoapplcats.

TemelsareexteeiTumels(EPA,EVA,ETu)

avg7t9fagpatseacatesamecrrelat

matrxtalltemltpatcmpets[3].Eacfagpat

crrespstesgalprpagatpatfrmTXatea

tRXateawtaspeccela.Tecrrelatbetwee

fferetateasgalsslartcalleeasg,

mem,alw.itestprvetelevelfetal

eeetrelablmeasreprctperfrmacelmts.

Rao Channel Moels for4.2Beyon Conformance Testng

igeeral,terearetreefametalappracest

perfrmgcaelmelg:etermstc,stcastc,a

gemetr-basestcastc.

Wtteetermstcappractefllevrmet

astbemeleetal(blgmaterals,trees,gr

Fgre9.SglelkescrptfGSCM-melswgTXaRXateaarrasagemetrcprpertesfteprpagat.

Tx Antenna Array

Rx Antenna ArrayPath 1

Path L

...

...


13/20


wtteaccracfmllmeters)basewaveprpaga-

tter(Maxwellseqats).ipractce,twleea

fferetmelfreaclcatftembleateacgve

tme.Eacmelreqrestrllsfperatstcalclate

teprpagatcaracterstcs.Terefre,temelgf

teevrmetstractable.

istcastcmelgtecaelparametersare

etermeramlbasestatstcalstrbts.A

tpcalexamplefastcastcmelstetrataltappe

elale(TdL)mel,wcasbeesettestarrw-

ba,sgleateasstems.TdLmelsaretstablefr

testgteewcelllarMiMosstemsettefacttatte

mellacksrectalfrmatfteprpagatpats.

RacaelmelsrecmmeefrLTEbe

cfrmacetestgbelgttefamlfGemetr-base

StcastcCaelMels(GSCM).TeGSCMappracac-

cratelmelstespatalcaracterstcsfteMiMora

cael. Te are measremet-base,mlt-mesal

melscvergallteecessarmess(tme,freqec,

space,aplarzat)fteracael.Fgre9smpl-

estesglelkmelfteGSCMagre10swste

pscalterpretatfteGSCMmel.

GSCMsetermecertacaelmelvarablesac-

crgtstatstcalstrbts.Tesevarablesclefr

exampleteaglefarrval(AA)ateaglefepartre

(Ad)ftetrasmttearecevesgalcmpets.Te

gemetr-basestcastccaelmelscabeset

melaweragefevrmetsasstemsspprtg

varsMiMoteclges,scasbeamfrmgaspatal

mltplexg.detteseprpertestesemelsavebee

ftbewellstetmbleevrmetsacabe

setperfrmbecfrmacetestg.Tefllwg

sectstrcetekeGSCM-basecaelmels.

SCM Moel4.2.1

Te3GPPa3GPP2tallspeceteSpatalCaelM-

el(SCM)asajtvetrefrtestg3Gsstems[4].Tema

rverfrteSCMmelwasteerealstcMiMocael

caracterstcs.Tesecaracterstcswerereqrerert

evalatefferetMiMoscemesfrhSdPAteclg.

BtsmpleTdLmelsfrcalbratprpsesa

aGSCMfrsstem-levelsmlatsarecleteSCM.

TecaelparametersteSCMmelareeterme

stcastcall.Teseparametersaretesetestabls

teprpagatcaracterstcsfrapartclarcael

realzat.ParameterscrpratebteSCMcle,e.g.,

patlss,pwerelaprle,sawfag,elasprea,

aglespreaatuE,aglespreaatbasestat,uEspee,

aateapatters.Terearetreefferetscears

cleteSCM,amelsbrbamacr-cell,rba

macr-cell,arbamcr-cell.Eacscearrepresetsa

qeevrmetaaqesetfctsfrMiMo

testg.Tefferetscearsaremelebsgtesame

appracbtfferetparameters.Temeltakest

acctteateaspacgtrasmtterareceverarras

atespecespatcaracterstcstestablstefag

acrrelatbeavrbetweefferetateaelemets.

TeSCMmelsesasstem-levelappract

emlateperfrmaceacrssaragefctsexpecte

Fgre10.PscalterpretatfGSCMmel.


14/20


acelllarsstem.Wtsstem-leveltestgtescear

ssmlartteeplmetsarealetwrk,wtma

basestatsasertermalsactveattesametme.i

cmparstlk-leveltestg,werealkbetweeasgle

termalaasglebasestatsteste,sstem-level

testgprvesmrerealstcreslts.

Tesstem-leveltestgwtSCMeablestettal

perfrmacefbtteplkatewlktbe

testeattesametme.EmlatswtteSCMmel

masemltplebasestats,eacwtmltplesectrs

aeacsectrwtmltpleateas.Tesebasestats

cabecectetmltpletermals,eacavgmltple

ateas.Eaccectbetweeatermalaabase

statsmelewt6pats,wereeacpatcaave

qecaracterstcs.irertkeeptecmptatal

lamaageablescacmplexemlat,teSCM

sstemlevelmelsesarpccept.Asertermals

placerrppefferetlcatsteetwrka

teperfrmaceftesstemsevalateeacpst.

Eacrpreectsasrtsapstftefagcael.Te

resltsgaterefrmallterpsmrrrteverallsstem

perfrmace.

TeSCMsstem-levelmelcaprveresltstat

aremcclsertrealttateLTEcfrmacemel.it

sagcaatefrbecfrmacetestgprpses

assetafrWCdMA,hSPA,WMAXaLTEsstem-

levelevalataperfrmacevercat.hwever,te

SCMmelassmelmtatstatmamaketstable

frcertascearsfLTEtestg.

orgall,teSCMmelwasspecefrsstems

peratgte2Ghzrage.hwever,LTEffersmc

mreexbltwtregartteperatgfreqec

bacmparetteWCdMA/hSPAsstems.Tecrret

speccatseableLTEeplmetafteiMT-2000

freqecbas,raggfrm700Mhzpt2.7Ghza

be.AreqremetfrLTEprctsstattesame

levelfRFperfrmacesprveallbas.Sce

maftepemeatataffectsgalprpagatare

peratgfreqecepeet,temelsebe

cfrmacetestgfrLTEsltaketaccttefll

ragefpssbleeplmets.

TeSCMmelwasspecefrcaelbawts

pt5Mhz.LTEeablesscalgtecaelbawtpt

20Mhz.Wtcreasgbawtteeffectsffreqec

selectvefagareeace.detteabve-mete

reass,teSCMmelmgttprvetrtflreslts

frLTE.Tsterearesmejsteccerswtsgte

SCMmelfralltpesfLTEtestg.

SCME Moel4.2.2

irertaresssmeftesrtcmgsfSCMte

pa-ErpeaWrelessWrlitatvenewRa(WinnER)

prjectprpseaextesttergalSCMmel[5].

TsewmelbecamekwasteSCMExtee(SCME).

TeSCMEmelsteefrBe3G(B3G)sstem

testg.

TeSCMEplcatesmstftewrkefrte

rgalSCM,btcagessmeftepatcaracterstcst

prceamrerealstcmelfrB3Gsstems.TeSCME

melallwsstrbtgeacSCMpatt34stct

m-patstataveslgtlfferetpwersaelas.

ifallftergal6patsfteSCMaremelewt3

m-patsteresltgmelwllave18pats."Tspat

strbtprcesamprvefreqeccrrelat

cmparettergalSCMmel.newctrbts

teSCMEmelcleextegteperatgfreqec

ragefrm2Ghzpt6Ghz,aswellasartcallexpag

tecaelbawtfrm5Mhzpt100Mhz.Tese

parametersaremrealgewtteparameterstatLTE

wllse.SceteSCMEmelprvesgcrrelatt

realLTEetwrkscears,tcabeseperfrmace

testgtterealperfrmacelmtsfLTEtermala

basestatprcts.

LTE Ealuaton Moel4.2.3

AsLTEwasevelpetbecameapparettataLTE-specc

caelmelwaseeerertevalateteser

termalateLTEbasestatperfrmacereqremets,

raresrcemaagemetreqremets,aswellaster

sstemccepts.TsmelbecamekwasteLTE

Evalatmel.

TeSCMEmelwastallprpsetbeseas

teLTEEvalatmel.hwever,twaslaterecetat

teSCMEmelwltbeserectl,btasmple

versftwlbecreatefrLTEEvalatprpses.

TerstsmplcatcamewtteecstseteSCME

TappedelaLe(TdL)melwcatallbee

createfrcalbratacmparsprpseslas

temelfrperfrmgsstemlevelemlat.Temre

precsearealstcSCMEmel,baseastcastcrp

ccept,wasscare.Secl,teMiMocaracterstcs

weresmplebescrbgtembcrrelatmatrces,

steafrectalprpagatparameters.


15/20


WiNNER Moels4.2.4

TeWinnERgrpwascreateteekeccepts

eeefraB3Gwrelesscmmcatsstem.WinnER

asmaggresearcactvtesvarsB3Gtpcs.

oemajrtaskWinnERasaptestevestgatfra-

prpagatctsateevelpmetfavace

racaelmels.iattcreatgteSCMEmel

WinnERascmepwtteravacemelsaswell.

TecaelmelcreatwtteWinnER

prjectswasfrmtestartvettreepases.ieac

paseamreaccratecaelmelsprceastee

elverable.Tetcmeftsappracasbee3mels:

WinnERi,WinnERiiaWinnER+(stllerevelpmet).

TeWinnERcaelmeltmelesllstrateFgre11.

AkefeatrefteWinnERmelsstatte

arebasebtracaelmeasremetsaata

btaefrmlteratre.Frexample,lketeSCME

mel,wcartcallexpastemelt100Mhz,te

WinnERmelsbasereal100Mhzcaelmeasre-

mets.TeWinnERmelsalsprvemreexblt

frtestgbspecfgmrescearstateSCM/

SCMEmels.TeWinnERiimelcles13fferet

scears,wcarebtaebajstgtecaelmel

parameters.Temelclesplarzataspprts

mlt-ser,mlt-cell,amlt-petwrks.Becasefte

levelfetalcleteWinnERmelsterepreset

tereal-lferacaelwtpreceeteaccrac.Fr

eacscear,terearebtGSCMfrsmlatprpses

arece-varabltClsteredelaLe(CdL)melsfr

calbratprpses,mstftemavgbtLe-f-Sgt

(LoS)an-LoS(nLoS)featres.

TecaelmelgwrkaspartfteWinnER

prjectsametlfrWinnERteralprpses.Te

evelpecaelmelsaregeercegtalsbe

seterprjectsastaarzatactvtes[6][7].

AexampleftsstatteWinnERiimelasa

cserableeceteetfteiMT-Avace

caelmels.TeWinnERmelswllmstlkelplaa

partteLTE-Avacecaelmelsaswell.

iMT-Aance Channel Moels4.2.5

TeiMT-Avacecaelmel(prmarmle)fr

teevalatfiMT-Avacecaateraterface

teclgessbaseteWinnERiicaelmel,bt

caelmelparameterswereajstebaseseveral

ctrbtsfrmfferetctres.iat,sme

smplcatsweremae.Terearefrmaatrca-

elmels,amelrbamacr-cell(uMa),rbamcr-cell

(uM),rtspt(ih),arralmacr-cell(RMa),a

eptalsbrbamacr-cell(SMa).Amreetale

escrptftemelssavalableteiTuwebste[8].

Fgre11.WinnERprjecttmele.

SCM

SCME

WiNNER i

WiNNER ii

WiNNER+

d5.4

d1.1.2

WINNER I WINNER II WINNER+

2003 2004 2005 2006 2007 2008 2009 Year


16/20


Comparson of GSCM Moels4.2.6

Afeatreaamercalcmparsftegemetr-base

stcastccaelmelstrcetsWtePaperare

llstrateTable1aTable2,respectvel.Tecm-

parsswstatteSCME,WinnERiiaiMT-Avace

melsarewellstablefrLTEaLTE-Avacebe

cfrmacetestg.

Fgre12. Caelmelevlt

2003 2004 2005 2006 2007 2008 Year

SCM

SCMEWiNNER i

WiNNER ii

WiNNER+Realty

802.11n

LTE Ealuaton

WMAX Conformance

LTE Conformance

iMT-A LTE-A

Table1.FeatrecmparsfGSCMs.

Feature SCM SCME WINNER I WINNER II IMT-Advanced

Bawt>_100Mhz n yes yes yes yes

irscears n n yes yes yes

otr-t-rscear n n n yes yes

AA/Adelevat n n yes yes n

itra-clsterelasprea n yes n yes yes

TdL/CdLmelbasetegeercmel n yes yes yes yes

Crss-crrelatbetweeLSPs yes yes yes yes yes

Tmeevltfmelparameters n yes n yes n

Table2.nmercalcmparsfGSCMs.

Parameter Unit SCM SCME WINNER I WINNER II IMT-Advanced

Max.bawt Mhz 5 100* 100** 100** 100**

Freqecrage Ghz 2 25 26 26 26***

n.fscears 3 3 7 12 5

n.fclsters 6 6 8-24 8-20 10-20

n.fm-patsperclster 1 34 1 13 13

n.fsb-patsperclster 20 20 10 20 20

n.ftaps 6 1824 824 1224 1424

eneBaglesprea 519 518 338 358 642

uEaglesprea 68 6268 1053 1655 3074

RMSelasprea s 160660 231841 2235 16630 20365

Sawfagstaarevat B 410 410 18 38 38

*artcalextesfrm5Mhzbawt**base100Mhzmeasremets***Rralmacr-cell0.456Ghz.

Teevltftevarscaelmels

trcetsWtePapersllstrateFgre12.Te

SCMrepresetsterstwelseGSCMmel,aSCME,

WinnERi,WinnERii,aWinnER+arebasetesame

prcples,frterevlvgtefeatresarealtsce

mccaelmeasremetaprpagatresearcwas

etmprvetemel.Testaarzemelsare

ftesmpletmmzetecmplextatmakete

escrptsrtertespeccats.


17/20


SUMMARY5.

LTEcfrmacetestselptesretatprctscfrm

ttestaaratcasesersprblemswe

peratgarealetwrk.hwever,LTEprctvercat

wtcfrmacetestgalestaeqatetassess

prctqalt.Befremafactrerslacterprcts

temarket,tsecessartperfrmtestgbe

tebasccfrmacelevelrertqatftetre

perfrmacefterprcts.

TseLTEprctmafactrerswcset

perfrmLTElabratrcaelemlatwtavace

caelmelsfrexampleSCM,SCMErteWinnER

melswllgaacmpettveavatageteLTEmarket.

BggbecfrmacetestgteLTEtermala

basestatmafactrerscaverfteprctperfr-

macetrgtteprctevelpmetccle,aswellas

swteexactprctcapabltestperatrs.

Becfrmacetestgalsprves

beetsfrmteperatrsperspectve.Teservceqalt

experecebtesbscrberscagreatlaffecttee

serlalttteperatr.ie-t-eservceelver,

teefcecftearterfaceplasacrtcalrle.B

specfgterwetaleperfrmacetestscearste

peratrscategestqaltbasestatamble

termalprctsaterefreprvebetterservcete

cstmers.

EB SOLUTiONS6.

EBsaglbalteclgleaertesttlsfrmeasrg,

melgaemlatgwrelessevrmets.EBsactvel

vlveteevelpmetaetfstr

staarsfrwrelesscmmcatsatlzestswrk

frtscstmersbesggamplemetgtecfr-

maceabecfrmacetestgreqremetsts

testgslts.TeEBPrpsmfamlfracael

emlatrsssetestgwrelessprctstrgtte

etreprctevelpmetccle.

ipastears,EBasactvelctrbtespatal

caelmelstamberffferetstaarsscas

iTu-RiMT-Avace,3GPP,iEEE802.16maWMAXFrm.

EBasacteasaleaerfacaelmelwrkpackage

teErpeaWrelessWrlitatvenewRa(WinnER)

prjectaascarmafacaelmelraftggrp

iTu-RiMT.EVAL.Recetl,WinnER-basemelswere

aptebiTu,3GPPaiEEE.

EBPrpsmracaelemlatrseablete

creatfreal-wrl-lkewrelesscmmcatscears

allwgfrallteaspectsfaracaeltbecle

teemlat,aterefretetestgsmrerealstc.

Tegestperfrmaceavalabletemarketfrcael

emlata100percetrepeatabltftestscears

aretekefeatresfEBPrpsmprctstatgaratee

realstcracaelemlatfrwrelesscmmcats

applcats.

FrfrterfrmatvstteEBwebste:

www.elektrbt.cm/wat_we_elver/wreless_test_tls/

applcats/spatal_cael_melga

www.elektrbt.cm/ebprpsm.


18/20


REFERENCES7.

3GPPTS36.101,36.104[1]

3GPPTS36.141,36.521,36.508.36.509,36.523,36.903[2]

S.Sesa,i.Tk,M.Baker(Etrs),LTE,TeuMTSLgTermEvltFrmTertPractce,JWle&[3]

Ss,2009.

3GPPTR25.996V6.1.0(2003-09),Spatalcaelmelfrmltpleptmltpletpt(MiMo)smlats,[4]

Release6.

d.S.Bam,G.delGal,J.Sal,P.Kst,T.Ratae,M.Mljevc,aJ.hase,AitermCaelMelfr[5]

Be-3GSstems,Prc.iEEEVeclarTeclgCfereceVTC05-Sprg,Stcklm,Swee,Ma2005.

d.S.Bam,h.El-Sallab,T.Jms,etal.,Falreprtlklevelasstemlevelcaelmels,WinnER[6]

delverabled5.4,octber2005,(ttp://www.st-wer.rg/)

P.Kst,J.Mel,L.hetletal.,WinnERiiCaelMels,iST-4-027756WinnERiidelverabled1.1.2,V1.2,[7]

Febrar2008(ttp://www.stwer.rg/).

GelesfrevalatfraterfaceteclgesfriMT-Avace,iTu-RReprtM.2135,2008.Avalable[8]

leatttp://www.t.t/iTu-R/ex.asp?categr=st-grps&rlk=rsg5-mt-avace&lag=e.


19/20


FURTHER iNFORMATiON

EB

Global Heaquarter

Tutkjante 8

Fi-90570 Oulu, FnlanTel: +358 40 344 2000

Fax: +358 8 343 032

Emal: [email protected]

internet: www.elektrobt.com/ebpropsm

EB Propsim Global Sales Network

Australia and New Zealand

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PO BOX 693,

Brookale, NSW 2100

Tel: +612 9975 2230

Fax: +612 9975 2240

internet: www.teleres.com.au

China

EB

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Park, No.1 Kang dng Street,

BdA 100176, Bejng, Chna

Tel: +86 10 6781 7020

Fax: +86 10 6781 7009

Emal: [email protected]: www.elektrobt.com/ebpropsm

Finland

EB

Tutkjante 8

Fi-90570 Oulu, Fnlan

Tel: +358 40 344 2000

Fax: +358 8 343 032



France

MB Electronque

106 Rue es Frres Farman

Zi / BP 31

78533 Buc Ceex, France

Tel. +33 1 39 67 67 67

Fax: +33 1 39 67 67 67

internet: www.mbelectronque.fr

Germany and Austria

GiGACOMP GmbH

Rchar-Wagner St. 31

82049 Pullach, Germany

Tel. +49 89 32208957Fax: +49 89 32208958

internet: www.ggacomp.e

Greece

Net Technologes Lt

Aeteon 2

15561 Athens, Greece

Tel: 30 210 652 3205

Fax: 30 210 654 1172

internet: www.nettechn.com

Italy

Ampercom S.r.l.

va Torr Banche, 10, Palazzo Betulla

20059 vmercate (Mi), italy

Tel: +39 039 690 621

Fax: +39 039 626 0037

internet: www.ampercom.com

Japan

EB8F, No. 2, AK Bulng

2-8-14, Shbaura

Tokyo 108-0023, Tokyo, Japan

Tel: +81 (0)3 6436 4325

Mob. +81 (0)90 2449 1546

Fax: +81 (0)3 6436 4326



Korea

ComTel Technology inc

Byucksan dgtal valley, iii-901, 212-13,

Guro-ong, Guro-gu

Seoul 152-050, South Korea

Tel: 82-2-8686-025/026

Fax: 82-2-8686-029

internet: www.comtel.kr

Spain and Portugal

Ayscom

C/ Arte, 21

28033, Mar, Span

Tel: (+34) 91 376 82 25

Fax: (+34) 91 376 80 56

internet: www.ayscom.com

Switzerland

Exanos AG

Moosstrasse 3

CH-3322 Schoenbuehl, Swtzerlan

Tel: +41 (0)31 850 25 25

Fax: +41 (0)31 850 25 20

internet: www.exanos.ch

Taiwan

ESBi Technology inc.11F, Bulng B, No.201-22, dunhua N. R.,

Songshan dstrct, Tape 105, Tawan

Tel: +886-2-2547-2131

Fax: +886-2-2545-4041

internet: www.esb.com.tw

United Kingdom

Moble Telecom internatonal Lt.

25 Ol Mllmeas

Horsham

West Sussex

RH12 2LP Unte Kngom

Tel: +44(0) 1403 276033

Fax: +44(0) 1403 276033

internet: www.mt-lt.com

US and Canada

EB, US Heaquarter

22745 29th dre SE, Sute 200

Bothell, Washngton 98021, USA

Tel: +1 425 686 3100

Fax: +1 425 686 3102




20/20

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Documents

EB LTE White Paper 062009