lte drive test parameters

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Drive test parameters to check

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LTE DRIVE TEST PARAMETERSRSRP: Reference Signal Receive PowerRSRP (dBm) = RSSI (dBm) !"log(#"$)%&ere' RSSI( Received Signal S)reng)& Indica)or $( $*m+er of RB, acro,, RSSI i, mea,*red and de-end, on B%Signi.cance(RSRP i, )&e mo,) +a,ic of )&e /E P&0,ical la0er mea,*remen), and i, )&e linear average -ower (in wa)),) of )&e downlin1 reference ,ignal (RS) acro,, )&e c&annel +andwid)& for )&e Re,o*rce elemen), )&a) carr0 cell ,-eci.c Reference Signal,23nowledge of a+,ol*)e RSRP -rovide, )&e /E wi)& e,,en)ial informa)ion a+o*) )&e ,)reng)& of cell, from w&ic& -a)& lo,, can +e calc*la)ed and *,ed in )&e algori)&m, for de)ermining )&e o-)im*m -ower ,e))ing for o-era)ing )&e ne)wor12 Reference ,ignal -ower i, *,ed +o)& in idle and connec)ed ,)a)e,2 Range( 455 )o 5! dBmRSRP )erm i, *,ed for coverage ,ame a, RS6P in 78RSR9( Reference ,ignal receive :*ali)0RSR9 = RSRP ; (RSSI ; $)$ i, )&e n*m+er of re,o*rce +loc1, over w&ic& )&e RSSI i, mea,*redRSSI i, wide +and -ower' incl*ding in)ra cell -ower' in)erference and noi,e2Signi.cance(I) -rovide, )&e indica)ion of Signal 9*ali)02 Mea,*ring RSR9 +ecome, -ar)ic*larl0 im-or)an) near )&e cell edge w&en deci,ion, need )o +e made' regardle,, of a+,ol*)e RSRP' )o -erform a &andover )o )&e ne dB RSR9 )erm i, *,ed for 9*ali)0 ,ame a, Ec;$o in 78 SI$R( ,ignal )o noi,e ra)ioSI$R( S;I ? $S Average Received Signal PowerI Average In)erference -ower$ $oi,e PowerSigni.cance(I, a wa0 )o mea,*re 9*ali)0 of LTE %irele,, 6onnec)ion,2 A, )&e energ0 of ,ignal fade, wi)& di,)ance i2e2 Pa)& lo,, d*e )o environmen)al -arame)er, (e2g2 +ac1gro*nd noi,e' in)erfering ,)reng)& of o)&er ,im*l)aneo*, )ran,mi,,ion)2RSSI( Received Signal S)reng)& Indica)or RSSI = %ide+and -ower = noi,e ? ,erving cell -ower ? in)erference -ower RSSI = #"$"RSRP RSSI -er re,o*rce +loc1 i, mea,*red over # re,o*rce elemen), $( n*m+er of RB, acro,, )&e RSSI i, mea,*red and de-end, on B% Ba,ed on a+ove(RSRP (dBm) = RSSI (dBm) !"log(#"$)Signi.cance(I, )&e -arame)er re-re,n)ing )&e en)ire received -ower incl*ding )&e wan)ed -ower from )&e ,erving cell a, well a, all )&e co4c&annel -ower @ o)&er ,o*rce, of noi,e69I( 6&annel 9*ali)0 Indica)orRange( 4 )o >Signi.cance(69I i, a mea,*remen) of )&e comm*nica)ion :*ali)0 of wirele,, c&annel, i2e2 i) indica)e, )&e downlin1 mo+ile radio c&annel :*ali)0 a, e!7Signi.cance( P6I *,ed )o iden)if0 )&e cell @ i, *,ed )o )ran,mi) )&e da)a P6I = PSS ? 7"SSSPSS i, -rimar0 ,0nc&roniBa)ion Signal (Iden)i.e, )&e 6ell ID)PSS val*e can +e !'and #SSS i, )&e Secondar0 S0nc&roniBa)ion Signal (Iden)i.e, 6ell ID 8ro*-)SSS val*e can +e ! )o CDBLER( Bloc1 Error Ra)eBloc1 Error Ra)io i, de.ned a, )&e ra)io of )&e n*m+er of erroneo*, +loc1, received )o )&e )o)al n*m+er of Bloc1, )ran,mi))ed2Signi.cance(A ,im-le me)&od +0 w&ic& /E can c&oo,e an a--ro-ria)e 69I val*e co*ld +e +a,ed on a ,e) of Bloc1 Error Ra)e (BLER) )&re,&old,2 T&e /E wo*ld re-or) )&e 69I val*e corre,-onding )o )&e Mod*la)ion 6oding Sc&eme, )&a) en,*re,' BLER E !F +a,ed on )&e mea,*red received,ignal 9*ali)0 BLER i, calc*la)ed *,ing 60clic Red*ndanc0 Error 6&ec1ing me)&od Gig& BLER lead, )o lo,, of Pea1 ra)e, @ eHcienc0 BLER )&re,&old ,&o*ld +e low i2e E !FDownlin1 T&ro*g&-*)(In E4/TRA$ ma0 *,e a ma! M+-, /-lin1a, com-ared )o >2DC M+-, in /MTS)2T&e *,er )&ro*g&-*) ,cale wi)& )&e ,-ec)r*m +andwid)& -rovided )&a) )&e ma

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