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Benefits of Increased Mobile Transmit Power for HSDPA Through QBoostTM Envelope Tracking Technology

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(7*) :;<=>?'@ %*4) 58* A*## *>.*0   L#& )&;89%$,- $- ',N&) $- %#& C<C0OY C<00O (-; OH\C<00O 9#(--&@+ N#&- %#& M,K$@& $+ (% M(b$M8M 8'@$-S ',N&) @&B&@ T(% %#& 9&@@ &;2&V $+ 9@&()@1 B$+$K@& F),M G$28)& =/ L#& ',N&) )&;89%$,- ;$)&9%@1 (FF&9%+ %#& 8'@$-S ',N&) K8;2&% (-; 9,B&)(2&Y &+'&9$(@@1 F,) -&%N,)S+ ,)$2$-(@@1 ;$M&-+$,-&; F,) A&@&(+& [[ 9,B&)(2&/ L, P8(-%$F1 %#& 9,B&)(2& )&;89%$,-Y +$M8@(%$,-+ N&)& '&)F,)M&; K1 DLL C,0,J, $- ( +8KM$++$,- %, WX''e %, ;&%&)M$-& %#& (;;$%$,-(@ R9>D, )&P8$)&; %, ;&M,;8@(%& %#& ;(%( TCL0OV $- %#& M,K$@& 8'@$-SY $- %#& 9(+& N#&)& %#& OH\C<00O 9#(--&@ $+ (;;&; %, %#& M,K$@& 8'@$-S N#&- C<C0O (-; C<00O 9#(--&@+ (@)&(;1 9,MK$-& %, M&&% %#& `.a;IM @$M$%/ ? faSK'+ 8'@$-S K&()&) N(+ 8+&; $- %#& +$M8@(%$,-Y N#$@& ( .JI'+ ;,N-@$-S N(+ (++8M&;Y N$%# ?0] (-; 07: %)(-+M$%%&; &B&)1 F)(M&/ :- %#$+ +9&-()$,Y OH\                  OH\C<00O $+ %)(-+M$%%&; ./fb %#& C<00O ',N&) @&B&@V/ D, OH\C<00O TA&@ [[V $%# OH\C<00O TOHC<?V +24dBm Antenna power limitRel 99 DPCCH    (control) DPDCH    (data/voice) HS-DPCCH    (control for HSDPA) HS-DPCCH    (control for HSDPA) HS-DPCCH    (control for HSDPA) DPDCH    (data/voice) DPDCH    (data/voice) DPDCH    (data/voice) DPCCH    (control) DPCCH    (control) DPCCH    (control) HSDPA: need to add HS-DPCCH channel so mobile can ACKnowledge downlink data Penalty 1:Reduce transmit power to “fit” the HS-DPCCH channelPenalty 2:Further reduce transmit power so that PA can maintain linearity 2dB0.5dB - 2dB   ! # %&'()*+,)- . /,012 )-,)3 . 4,015/6//0/6/0/600708 704 709 70! 701 70 :; <-,=> ?3)@   ! # %&'()*+,)- . 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