LTE-PCI规划Excel工具

Thereare504uniquephysical-layercellidentities.Thephysical-layercellidentitiesaregroupedinto168uniquephysical-layercell-identitygroups,eachgroupcontainingthreeuniqueidentities.Thegroupingissuchthateachphysical-layercellidentityispartofoneandonlyonephysical-layercell-identitygroup.Aphysical-layercellidentity,PCI=3SecondarySynchronisationSignal+PrimarySynchronisationSignalTheSecondarySynchronisationSignalhasarangeof0to167,representingthephysical-layercell-identitygroup.ThesequencefortheSecondarySynchronisationSignal(SSS)signalisgeneratedasfollows:m0=m’mod31m1=[m0+INT(m’/31)+1]mod31m’=Sj+q(q+1)/2q=INT((Sj+q’(q’+1)/2)/30);q’=INT(Sj/30)StudieshaveshownthatPCIsofadjacentcellsthatmeetthefollowingcriteriawillhaveproblemswithperformancelongsynchronisationtimes,highinterference):ThesameSecondarySynchronisationSignalvalueThesamem0valueThesamem1valueThismacrocalculatesallthePCIsthatmeettheabovecriteria(i.e.allthePCIsthatadjacentcellsshouldnothave)Instructions1.Onthenexttab,inputthePCIvalueyouwishtouseforyourcellintheredboxinthetopleftcorner2.Clickthe'Calculate'valueExplanationofresults:ThegreyboxbelowtheinputboxshowsthePrimarySynchronisationSignal(PSS),SecondarySynchronisationSignal(SSS),m0andm1valuesforthePCIThebluecolumnsshowthePCIsthatshouldnotbeusedforadjacentcellsReferences:3GPPTS36.211(v.9.0.0)MariaThiesen,ConsiderationsforPCIplanningknowledgeobjectStudieshaveshownthatPCIsofadjacentcellsthatmeetthefollowingcriteriawillhaveproblemswithperformancelongsynchronisationtimes,highinterference):ThismacrocalculatesallthePCIsthatmeettheabovecriteria(i.e.allthePCIsthatadjacentcellsshouldnothave)ThegreyboxbelowtheinputboxshowsthePrimarySynchronisationSignal(PSS),SecondarySynchronisationSignal(SSS),m0andm1valuesforthePCIThismacrocalculatesallthePCIsthatmeettheabovecriteria(i.e.allthePCIsthatadjacentcellsshouldnothave)PCI99PSS0SSS33q'1q1m'34m03m15545148454239363330272421181512963102105108111114117120123126129132135138141144147150153156159162Calculate165168171174177180183186189192195198201204207210213216219222225228231234237240243246249252255258261264267270273276279282285288291294297300303306309312315318321324327330333336339342345348351354357360363366369372375378381384387390393396399402405408411414417420423426429432435438441444447450453456459462465468471474477480483486489492495498501PCIswithsamePSSPCIswithsamem0PCIswithsamem1969129310139011148710010084101101811861837818718475188185722702646927126566272266633513426035234357353344544295143048431454239363330272421181512963102105108111114117120123126129132135138141144147150153156159162PCIsnotallowedinadjacentcells165168171174177180183186189192195198201204207210213216219222225228231234237240243246249252255258261264267270273276279282285288291294297300303306309312315318321324327330333336339342345348351354357360363366369372375378381384387390393396399402405408411414417420423426429432435438441444447450453456459462465468471474477480483486489492495498501