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WCDMA Basics and Optimisation

Handover Events WCDMA-Optimisation

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WCDMA Basics andOptimisationAgendaBasicsHandoverIntra-frequency HandoverInter-RAT HandoverOSS ToolsGPEHWNSounters!statsHandoverEc/Io120dB pathloss100dB pathlossAssume 39dBm tx powerexcl. Pilot power (33dBm)Cell BAssume 43dBm tx powerCell A43dBm 120dB!"#dBm39dBm 100dB!$1dBm33dBm 100dB!$"dBm%oise &e'el100dBmEc/IoPIHellBTotal ellB e"cl PIH Total ellA Noise #loordB$ % lo&'( )$W*+'(dB$ ,, ,- ./$W %'(0)dB$!'(*1at2loss '(( '(( '/(" -34 -3' -45 -'(( S67 )$W* RSSI )dB$*'(0)"!'(*'8--9/3E-(4 48-.,/5E-(4 '895.5-E-(5 'E-'(58'(/44E-(4-3(8-',4Ec!Io-38(53,,3((5DiscussRSSI:Io: NoRSP:Ecell self interference: ot2er cellsell ;reat2in&6$;rella cellsTall sitesSHOSoft HandoverSofter Handover7a"i$al co$;inin&Po